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Intel Core i9-10980XE vs Intel Core i9-7900X

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

IntelCore i9-10980XEIntelCore i9-7900X
Overview
ReleasedNovember 2019June 2017
Cores and clocks
Cores1810
Threads3620
Base clock3 GHz3.3 GHz
Boost clock4.8 GHz4.5 GHz
L3 cache24.75 MB13.75 MB
CoresCascade Lake; 18 cores with Hyper-Threading. The unlocked multiplier is confirmed by Intel’s exact-model family product brief.Skylake-X; 10 cores with Hyper-Threading. The unlocked multiplier is confirmed by Intel’s exact-model family product brief.
ClocksTurbo Boost Max 3.0 up to 4.80 GHz on the preferred core; ordinary Turbo Boost 2.0 up to 4.60 GHz. The main boost field uses Intel’s highest published frequency. Intel targeted November 2019 availability. Scan’s dated 26 November guide confirms that this exact processor was available to purchase; the exact maker-confirmed first-sale day remains unverified, so month precision is retained.Turbo Boost Max 3.0 up to 4.50 GHz on the preferred core; ordinary Turbo Boost 2.0 up to 4.30 GHz. The main boost field uses Intel’s highest published frequency. Intel’s September press-kit record names 26 June 2017 availability for the first Core X processors; its August record confirms the four- to ten-core models were already on shelves. The exact model’s first-sale day was not established, so month precision is retained.
Cache24.75 MB Intel Smart Cache (L3).13.75 MB Intel Smart Cache (L3).
Graphics and AI
Built-in graphicsNoNo
GraphicsNo processor graphics, explicitly stated in Intel’s exact-model comparison-chart row; a separate graphics solution is required.No processor graphics, explicitly stated in Intel’s exact-model comparison-chart row; a separate graphics solution is required.
Platform
SocketLGA2066LGA2066
Base power165 W140 W
UnlockedYesYes
Cooler in the boxNoNo
Memory supportUp to 256 GB; four channels of DDR4-2933; 94 GB/s maximum published bandwidth; no ECC.Up to 128 GB; four channels of DDR4-2666; 85 GB/s maximum published bandwidth; no ECC.
PCIe48 CPU lanes; PCIe 3.0. Intel’s 72-lane platform figure includes chipset lanes and is distinct from the processor’s 48 lanes.44 CPU lanes; PCIe 3.0.
ChipsetsIntel X299; LGA2066.Intel X299; LGA2066.
Process14 nm; Cascade Lake.14 nm; Skylake-X.
CoolerIntel explicitly excludes a fan and heatsink from the boxed product; a separate compatible cooler is required. Published junction limit: 86°C.Intel explicitly excludes a fan and heatsink from the boxed product; a separate compatible cooler is required. Published junction limit: 95°C.

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