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AMD Ryzen Threadripper 2990WX vs AMD Ryzen Threadripper PRO 3975WX

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

Better figure, where one is clearly better

AMDRyzen Threadripper 2990WXAMDRyzen Threadripper PRO 3975WX
Overview
ReleasedAugust 2018September 2020
Cores and clocks
Cores3232
Threads6464
Base clock3 GHz3.5 GHz
Boost clock4.2 GHz4.2 GHz
L3 cache64 MB128 MB
CoresColfax; Zen+ architecture; boxed product ID YD299XAZAFWOF. X399 motherboards may require a BIOS update. AMD confirms on-shelf availability on 13 August 2018.Castle Peak; Zen 2. Boxed product ID 100-100000086WOF; tray ID 100-000000086. Announced 14 July 2020. Lenovo stated September 2020 availability for the first ThinkStation P620 systems, and confirmed them shipping on 14 October. Release is kept at OEM month precision; an exact first-sale day for this model is unpublished. AMD later announced March 2021 standalone retail availability for this model.
ClocksPrecision Boost 2, XFR2 and Precision Boost Overdrive supported; AMD's Dynamic Local Mode optimises thread placement on WX modelsPrecision Boost 2; maximum boost up to 4.2 GHz. Locked for overclocking.
CacheL1 3072 KB; L2 16 MB. AMD specifies 64 MB L3; TechRadar's review spec sheet incorrectly lists 32 MB.L1 2048 KB; L2 16 MB; L3 128 MB
Graphics and AI
Built-in graphicsNoNo
GraphicsA separate graphics card is requiredA separate graphics card is required
Platform
SocketsTR4sWRX8
Base power250 W280 W
UnlockedYesNo
Cooler in the boxNo–
Memory supportDDR4; four channels; up to 2933 MT/sDDR4; eight channels; up to 3200 MT/s. AMD’s exact-model launch table supports up to 2 TB ECC UDIMM, RDIMM or LRDIMM memory; motherboard and system limits can be lower.
PCIePCIe 3.0; 64 processor lanes, 72 lanes across the processor and X399 platformPCIe 4.0; AMD’s exact-model launch table lists 128 lanes
Process12 nmCPU cores: TSMC 7 nm FinFET
CoolerNo cooler included; maximum operating temperature 68°CAMD’s current specification does not state whether a cooler is included. Maximum operating temperature 90°C.

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