Menu
Home
People
Places
Arts
History
Plants & Animals
Science
Life & Culture
Technology
Reference.org
LGA 2066
open-in-new
<h2 id="compatible-processors">Compatible processors</h2> <h3>High-End Desktop (HEDT)</h3> <p>All of these CPUs require the <a href="/facts/Intel_X299/svrWbeko">Intel X299</a> chipset to work. So, the C422 chipset is strictly limited to work with workstation processors only. </p> <h4><a href="/facts/Kaby_Lake/DbfMWB0T">Kaby Lake-X</a></h4> <p>Kaby Lake-X processors were discontinued in May 2018. Starting October 2019, <a href="/facts/BIOS/AYYPUogS">BIOS</a> updates for most of the X299-based motherboards removed support for Kaby Lake-X processors.<a class="footnote-ref" id="fnref:2" href="#fn:2"><sup>2</sup></a> </p> <table><tbody><tr><th rowspan="2">Name</th><th rowspan="2">Cores<p>(threads)</p></th><th rowspan="2">Base<p>Clock</p></th><th colspan="2"><a href="/facts/Turbo_Boost/W9I2PUcg">Turbo Boost</a> 2.0</th><th rowspan="2">TurboBoost<p>3.0</p></th><th rowspan="2">Memorysupport</th><th rowspan="2">L2<p>cache</p></th><th rowspan="2">L3cache(MB)</th><th rowspan="2">PCIe<p>3.0lanes</p></th><th rowspan="2">TDP</th><th rowspan="2">Releasedate</th><th rowspan="2">Price(USD)</th></tr><tr><th>Single core</th><th>All cores</th></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/121500/intel-core-i5-7640x-x-series-processor-6m-cache-up-to-4-20-ghz.html">Core i5-7640X</a></td><td>04 (4)</td><td>4.0 GHz</td><td>4.2 GHz</td><td>4.0 GHz</td><td rowspan="2">—</td><td rowspan="2">2 × DDR4-2666<p>up to 64 GB</p></td><td rowspan="2">0256 KB<p>per core</p></td><td>06</td><td rowspan="2">16</td><td rowspan="2">112 W</td><td rowspan="2">Q2'17</td><td>0$242</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/121499/intel-core-i7-7740x-x-series-processor-8m-cache-up-to-4-50-ghz.html">Core i7-7740X</a></td><td>04 (8)</td><td>4.3 GHz</td><td colspan="2">4.5 GHz</td><td>08</td><td>0$339</td></tr></tbody></table> <h4><a href="/facts/Skylake_(microarchitecture)/qpcDcebM">Skylake-X 7000-series</a></h4> <table><tbody><tr><th rowspan="2">Name</th><th rowspan="2">Cores<p>(threads)</p></th><th rowspan="2">Base<p>Clock</p></th><th colspan="2"><a href="/facts/Turbo_Boost/W9I2PUcg">Turbo Boost</a> 2.0</th><th rowspan="2">TurboBoost<p>3.0</p></th><th rowspan="2">Memorysupport</th><th rowspan="2">L2<p>cache</p></th><th rowspan="2">L3cache(MB)</th><th rowspan="2">PCIe<p>3.0lanes</p></th><th rowspan="2">TDP</th><th rowspan="2">Releasedate</th><th rowspan="2">Price(USD)</th></tr><tr><th>Single core</th><th>All cores</th></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/123589/intel-core-i7-7800x-x-series-processor-8-25m-cache-up-to-4-00-ghz.html">Core i7-7800X</a></td><td>06 (12)</td><td>3.5 GHz</td><td colspan="2">4.0 GHz</td><td>N/A</td><td rowspan="1">4 × DDR4-2400<p>up to 128 GB</p></td><td rowspan="7">1 MB<p>per core</p></td><td>08.25</td><td rowspan="2">28</td><td rowspan="4">140 W</td><td rowspan="3">Q2'17</td><td>0$389</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/123767/intel-core-i7-7820x-x-series-processor-11m-cache-up-to-4-30-ghz.html">Core i7-7820X</a></td><td>08 (16)</td><td>3.6 GHz</td><td rowspan="4">4.3 GHz</td><td rowspan="2">4.0 GHz</td><td rowspan="2">4.5 GHz</td><td rowspan="6">4 × DDR4-2666<p>up to 128 GB</p></td><td>11</td><td>0$599</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/123613/intel-core-i9-7900x-x-series-processor-13-75m-cache-up-to-4-30-ghz.html">Core i9-7900X</a></td><td>10 (20)</td><td>3.3 GHz</td><td>13.75</td><td rowspan="5">44</td><td>0$999</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/126240/intel-core-i9-7920x-x-series-processor-16-5m-cache-up-to-4-30-ghz.html">Core i9-7920X</a></td><td>12 (24)</td><td>2.9 GHz</td><td rowspan="2">3.8 GHz</td><td rowspan="4">4.4 GHz</td><td>16.5</td><td rowspan="4">Q3'17</td><td>$1199</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/126695/intel-core-i9-7940x-x-series-processor-19-25m-cache-up-to-4-30-ghz.html">Core i9-7940X</a></td><td>14 (28)</td><td>3.1 GHz</td><td>19.25</td><td rowspan="3">165 W</td><td>$1399</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/126697/intel-core-i9-7960x-x-series-processor-22m-cache-up-to-4-20-ghz.html">Core i9-7960X</a></td><td>16 (32)</td><td>2.8 GHz</td><td rowspan="2">4.2 GHz</td><td>3.6 GHz</td><td>22</td><td>$1699</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/126699/intel-core-i9-7980xe-extreme-edition-processor-24-75m-cache-up-to-4-20-ghz.html">Core i9-7980XE</a></td><td>18 (36)</td><td>2.6 GHz</td><td>3.4 GHz</td><td>24.75</td><td>$1999</td></tr></tbody></table> <h4><a href="/facts/Skylake_(microarchitecture)/qpcDcebM">Skylake-X 9000-series</a></h4> <table><tbody><tr><th rowspan="2">Name</th><th rowspan="2">Cores<p>(threads)</p></th><th rowspan="2">Base<p>Clock</p></th><th colspan="2"><a href="/facts/Turbo_Boost/W9I2PUcg">Turbo Boost</a> 2.0</th><th rowspan="2">TurboBoost<p>3.0</p></th><th rowspan="2">Memorysupport</th><th rowspan="2">L2<p>cache</p></th><th rowspan="2">L3cache(MB)</th><th rowspan="2">PCIe<p>3.0lanes</p></th><th rowspan="2">TDP</th><th rowspan="2">Releasedate</th><th rowspan="2">Price(USD)</th></tr><tr><th>Single core</th><th>All cores</th></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/189122/intel-core-i7-9800x-x-series-processor-16-5m-cache-up-to-4-50-ghz.html">Core i7-9800X</a></td><td>8 (16)</td><td>3.8 GHz</td><td>4.4 GHz</td><td></td><td>4.5 GHz</td><td rowspan="7">4 × DDR4-2666<p>up to 128 GB</p></td><td rowspan="7">1 MB<p>per core</p></td><td rowspan="2">16.5</td><td rowspan="7">44</td><td rowspan="7">165 W</td><td rowspan="7">Q4'18</td><td>$589</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/189121/intel-core-i9-9820x-x-series-processor-16-5m-cache-up-to-4-20-ghz.html">Core i9-9820X</a></td><td rowspan="2">10 (20)</td><td>3.3 GHz</td><td>4.1 GHz</td><td></td><td>4.2 GHz</td><td>$889</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/189124/intel-core-i9-9900x-x-series-processor-19-25m-cache-up-to-4-50-ghz.html">Core i9-9900X</a></td><td rowspan="2">3.5 GHz</td><td rowspan="5">4.4 GHz</td><td></td><td rowspan="5">4.5 GHz</td><td rowspan="3">19.25</td><td>$989</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/189127/intel-core-i9-9920x-x-series-processor-19-25m-cache-up-to-4-50-ghz.html">Core i9-9920X</a></td><td>12 (24)</td><td></td><td>$1189</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/189125/intel-core-i9-9940x-x-series-processor-19-25m-cache-up-to-4-50-ghz.html">Core i9-9940X</a></td><td>14 (28)</td><td>3.3 GHz</td><td></td><td>$1387</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/189123/intel-core-i9-9960x-x-series-processor-22m-cache-up-to-4-50-ghz.html">Core i9-9960X</a></td><td>16 (32)</td><td>3.1 GHz</td><td></td><td>22</td><td>$1684</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/189126/intel-core-i9-9980xe-extreme-edition-processor-24-75m-cache-up-to-4-50-ghz.html">Core i9-9980XE</a></td><td>18 (36)</td><td>3.0 GHz</td><td>3.8 GHz</td><td>24.75</td><td>$1999</td></tr></tbody></table> <h4><a href="/facts/Cascade_Lake_(microarchitecture)/av6njwIK">Cascade Lake-X</a></h4> <table><tbody><tr><th rowspan="2">Name</th><th rowspan="2">Cores<p>(threads)</p></th><th rowspan="2">Base<p>Clock</p></th><th colspan="2"><a href="/facts/Turbo_Boost/W9I2PUcg">Turbo Boost</a> 2.0</th><th rowspan="2">TurboBoost<p>3.0</p></th><th rowspan="2">Memorysupport</th><th rowspan="2">L2<p>cache</p></th><th rowspan="2">L3cache(MB)</th><th rowspan="2">PCIe<p>3.0lanes</p></th><th rowspan="2">TDP</th><th rowspan="2">Releasedate</th><th rowspan="2">Price(USD)</th></tr><tr><th>Single core</th><th>All cores</th></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/198019/intel-core-i9-10900x-x-series-processor-19-25m-cache-3-70-ghz.html">Core i9-10900X</a></td><td>10 (20)</td><td>3.7 GHz</td><td>4.5 GHz</td><td rowspan="2">4.3 GHz</td><td>4.7 GHz</td><td rowspan="4">4 × DDR4-2933<p>up to 256 GB</p></td><td rowspan="4">1 MB<p>per core</p></td><td rowspan="3">19.25</td><td rowspan="4">48</td><td rowspan="4">165W</td><td rowspan="4">Q4'19</td><td>$599</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/198012/intel-core-i9-10920x-x-series-processor-19-25m-cache-3-50-ghz.html">Core i9-10920X</a></td><td>12 (24)</td><td>3.5 GHz</td><td rowspan="3">4.6 GHz</td><td rowspan="3">4.8 GHz</td><td>$700</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/198014/intel-core-i9-10940x-x-series-processor-19-25m-cache-3-30-ghz.html">Core i9-10940X</a></td><td>14 (28)</td><td>3.3 GHz</td><td>4.1 GHz</td><td>$797</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/198017/intel-core-i9-10980xe-extreme-edition-processor-24-75m-cache-3-00-ghz.html">Core i9-10980XE</a></td><td>18 (36)</td><td>3.0 GHz</td><td>3.8 GHz</td><td>24.75</td><td>$1000</td></tr></tbody></table> <h3>Workstation</h3> <p>Take note that certain types of Xeon processors will not work on this socket, like Skylake-P. There are four OEM variants that can be found in Apple Mac Pro: W-2140B and W-2150B (lower freq/TDP than their W-21x5 counterparts), W-2170B and W-2191B lack <a href="/facts/Trusted_Execution_Technology/ELjv2uVt">Trusted_Execution_Technology</a> (TXT) in comparison. </p> <h4><a href="/facts/Skylake_(microarchitecture)/qpcDcebM">Skylake-W</a></h4> <table><tbody><tr><th rowspan="2">Name</th><th rowspan="2">Cores<p>(threads)</p></th><th rowspan="2">Base<p>Clock</p></th><th colspan="2"><a href="/facts/Turbo_Boost/W9I2PUcg">Turbo Boost</a> 2.0</th><th rowspan="2">Memorysupport</th><th rowspan="2">L2<p>cache<a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a></p></th><th rowspan="2">L3cache(MB)</th><th rowspan="2">PCIe<p>3.0lanes</p></th><th rowspan="2">TDP</th><th rowspan="2">Releasedate</th><th rowspan="2">Price(USD)</th></tr><tr><th>Single core</th><th>All cores</th></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/125038/intel-xeon-w-2102-processor-8-25m-cache-2-90-ghz.html">Xeon W‑2102</a></td><td rowspan="2">04 (4)</td><td>2.9 GHz</td><td colspan="2" rowspan="2">N/A</td><td rowspan="2">4 x DDR4‑2400<p>up to 512 GB</p></td><td rowspan="11">1 MB<p>per core</p></td><td rowspan="6">08.25</td><td rowspan="11">48</td><td rowspan="4">120 W</td><td rowspan="8">Q3'17</td><td>$202</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/125039/intel-xeon-w-2104-processor-8-25m-cache-3-20-ghz.html">Xeon W‑2104</a></td><td>3.2 GHz</td><td>$255</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/125036/intel-xeon-w-2123-processor-8-25m-cache-3-60-ghz.html">Xeon W‑2123</a></td><td rowspan="2">04 (8)</td><td>3.6 GHz</td><td>3.9 GHz</td><td>3.7 GHz</td><td rowspan="9">4 × DDR4‑2666<p>up to 512 GB</p></td><td>$294</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/126708/intel-xeon-w-2125-processor-8-25m-cache-4-00-ghz.html">Xeon W‑2125</a></td><td>4.0 GHz</td><td>4.5 GHz</td><td>4.4 GHz</td><td>$444</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/125040/intel-xeon-w-2133-processor-8-25m-cache-3-60-ghz.html">Xeon W‑2133</a></td><td rowspan="2">06 (12)</td><td>3.6 GHz</td><td>3.9 GHz</td><td>3.8 GHz</td><td rowspan="2">140 W</td><td>$617</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/126709/intel-xeon-w-2135-processor-8-25m-cache-3-70-ghz.html">Xeon W‑2135</a></td><td>3.7 GHz</td><td>4.5 GHz</td><td>4.4 GHz</td><td>$835</td></tr><tr><td><a href="https://www.cpu-monkey.com/en/cpu-intel_xeon_w_2140b">Xeon W‑2140B*</a></td><td rowspan="2">08 (16)</td><td>3.2 GHz</td><td>4.2 GHz</td><td>3.8 GHz</td><td rowspan="2">11</td><td>120 W</td><td>N/A</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/126707/intel-xeon-w-2145-processor-11m-cache-3-70-ghz.html">Xeon W‑2145</a></td><td>3.7 GHz</td><td rowspan="2">4.5 GHz</td><td>4.3 GHz</td><td rowspan="4">140 W</td><td>$1113</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/125042/intel-xeon-w-2155-processor-13-75m-cache-3-30-ghz.html">Xeon W‑2155</a></td><td>10 (20)</td><td>3.3 GHz</td><td>4.0 GHz</td><td>13.75</td><td rowspan="2">Q4'17</td><td>$1440</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/130046/intel-xeon-w-2175-processor-19-25m-cache-2-50-ghz.html">Xeon W‑2175</a></td><td>14 (28)</td><td>2.5 GHz</td><td rowspan="2">4.3 GHz</td><td>3.3 GHz</td><td>19.25</td><td>$1950</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/126793/intel-xeon-w-2195-processor-24-75m-cache-2-30-ghz.html">Xeon W‑2195</a></td><td>18 (36)</td><td>2.3 GHz</td><td>3.2 GHz</td><td>24.75</td><td>Q3'17</td><td>$2553</td></tr></tbody></table> <p>(* = OEM CPU found in Apple Mac Pro with lower TDP) </p> <h4><a href="/facts/Cascade_Lake_(microarchitecture)/av6njwIK">Cascade Lake-W</a></h4> <table><tbody><tr><th rowspan="2">Name</th><th rowspan="2">Cores<p>(threads)</p></th><th rowspan="2">Base<p>Clock</p></th><th colspan="2"><a href="/facts/Turbo_Boost/W9I2PUcg">Turbo Boost</a> 2.0</th><th rowspan="2">Turbo<p>Boost 3.0</p></th><th rowspan="2">Memorysupport</th><th rowspan="2">L2<p>cache<a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a></p></th><th rowspan="2">L3cache(MB)</th><th rowspan="2">PCIe<p>3.0lanes</p></th><th rowspan="2">TDP</th><th rowspan="2">Releasedate</th><th rowspan="2">Price(USD)</th></tr><tr><th>Single core</th><th>All cores</th></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/198018/intel-xeon-w-2223-processor-8-25m-cache-3-60-ghz.html">Xeon W-2223</a></td><td rowspan="2">4 (8)</td><td>3.6 GHz</td><td>3.9 GHz</td><td>3.7 GHz</td><td rowspan="3">N/A</td><td>4 × DDR4‑2666<p>up to 1 <a href="/facts/Terabyte/BNHUp9Qq">TB</a></p></td><td rowspan="8">1 MB<p>per core</p></td><td rowspan="3">8.25</td><td rowspan="8">48</td><td>120 W</td><td rowspan="8">Q4'19</td><td>$297</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/198610/intel-xeon-w-2225-processor-8-25m-cache-4-10-ghz.html">Xeon W-2225</a></td><td>4.1 GHz</td><td rowspan="2">4.6 GHz</td><td>4.5 GHz</td><td rowspan="7">4 x DDR4-2933<p>up to 1 TB</p></td><td>105 W</td><td>$444</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/198608/intel-xeon-w-2235-processor-8-25m-cache-3-80-ghz.html">Xeon W-2235</a></td><td>6 (12)</td><td>3.8 GHz</td><td>4.3 GHz</td><td>130 W</td><td>$555</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/198609/intel-xeon-w-2245-processor-16-5m-cache-3-90-ghz.html">Xeon W-2245</a></td><td>8 (16)</td><td>3.9 GHz</td><td rowspan="2">4.5 GHz</td><td>4.5 GHz</td><td rowspan="2">4.7 GHz</td><td>16.5</td><td>155 W</td><td>$667</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/198016/intel-xeon-w-2255-processor-19-25m-cache-3-70-ghz.html">Xeon W-2255</a></td><td>10 (20)</td><td>3.7 GHz</td><td rowspan="2">4.3 GHz</td><td rowspan="3">19.25</td><td rowspan="4">165 W</td><td>$778</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/198015/intel-xeon-w-2265-processor-19-25m-cache-3-50-ghz.html">Xeon W-2265</a></td><td>12 (24)</td><td>3.5 GHz</td><td rowspan="3">4.6 GHz</td><td rowspan="3">4.8 GHz</td><td>$944</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/198010/intel-xeon-w-2275-processor-19-25m-cache-3-30-ghz.html">Xeon W-2275</a></td><td>14 (28)</td><td>3.3 GHz</td><td>4.1 GHz</td><td>$1112</td></tr><tr><td><a href="https://ark.intel.com/content/www/us/en/ark/products/198011/intel-xeon-w-2295-processor-24-75m-cache-3-00-ghz.html">Xeon W-2295</a></td><td>18 (36)</td><td>3.0 GHz</td><td>3.8 GHz</td><td>24.75</td><td>$1333</td></tr></tbody></table> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"First Intel Core X-Series Processors Pre-Orders Begin Today, Available Starting June 26". Intel Newsroom. Retrieved 2020-05-18. <a href="https://newsroom.intel.com/news/first-intel-core-x-series-processors-pre-orders-begin-today-available-starting-june-26/" target="_blank">https://newsroom.intel.com/news/first-intel-core-x-series-processors-pre-orders-begin-today-available-starting-june-26/</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>"X299 BIOS Update for Intel Cascade Lake-X Will Kill Kaby Lake-X Support".Tom's Hardware. <a href="https://www.tomshardware.com/news/x299-bios-updates-wont-support-intel-kaby-lake-x-cpus" target="_blank">https://www.tomshardware.com/news/x299-bios-updates-wont-support-intel-kaby-lake-x-cpus</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>"Skylake-X's New L3 Cache Architecture". AnandTech. <a href="http://www.anandtech.com/show/11464/intel-announces-skylakex-bringing-18core-hcc-silicon-to-consumers-for-1999/3" target="_blank">http://www.anandtech.com/show/11464/intel-announces-skylakex-bringing-18core-hcc-silicon-to-consumers-for-1999/3</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>"Skylake-X's New L3 Cache Architecture". AnandTech. <a href="http://www.anandtech.com/show/11464/intel-announces-skylakex-bringing-18core-hcc-silicon-to-consumers-for-1999/3" target="_blank">http://www.anandtech.com/show/11464/intel-announces-skylakex-bringing-18core-hcc-silicon-to-consumers-for-1999/3</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> </ol>