AMD Ryzen Threadripper 1920X vs Intel Core i9-7940X

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Ryzen Threadripper 1920X compared with Core i9-7940X

	AMDRyzen Threadripper 1920X	IntelCore i9-7940X
Overview
Released
Released	August 2017	September 2017
Cores and clocks
Cores
Cores	12	14 (better)
Threads
Threads	24	28 (better)
Base clock
Base clock	3.5 GHz	3.1 GHz
Boost clock
Boost clock	4 GHz	4.4 GHz (better)
L3 cache
L3 cache	32 MB (better)	19.25 MB
Cores
Cores	Zen architecture; boxed product ID YD192XA8AEWOF. AMD's support page lists 31 July 2017, when pre-orders began; its press release confirms on-shelf availability on 10 August 2017, used here.	Skylake-X; 14 cores with Hyper-Threading. The unlocked multiplier is confirmed by Intel’s exact-model family product brief.
Clocks
Clocks	AMD states up to 4.2 GHz with XFR under suitable cooling, separate from the published 4.0 GHz maximum boost	Turbo Boost Max 3.0 up to 4.40 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 August family notice explicitly states that the new fourteen- to eighteen-core processors would be available on 25 September 2017; Puget’s contemporary exact-model tests confirm availability that day.
Cache
Cache	L1 1152 KB; L2 6 MB	19.25 MB Intel Smart Cache (L3).
Graphics and AI
Built-in graphics
Built-in graphics	No	No
Graphics
Graphics	A separate graphics card is required	No processor graphics, explicitly stated in Intel’s exact-model comparison-chart row; a separate graphics solution is required.
Platform
Socket
Socket	sTR4	LGA2066
Base power
Base power	180 W	165 W
Unlocked
Unlocked	Yes	Yes
Cooler in the box
Cooler in the box	No	No
Memory support
Memory support	DDR4; four channels; up to 2667 MT/s	Up to 128 GB; four channels of DDR4-2666; 85 GB/s maximum published bandwidth; no ECC.
PCIe
PCIe	PCIe 3.0; 64 lanes	44 CPU lanes; PCIe 3.0.
Chipsets
Chipsets	–	Intel X299; LGA2066.
Process
Process	14 nm	14 nm (CHIP exact-model review); Skylake-X. Current Intel specifications omit lithography.
Cooler
Cooler	No cooler included; maximum operating temperature 68°C	Intel explicitly excludes a fan and heatsink from the boxed product; a separate compatible cooler is required. Published junction limit: 102°C.