AMD Ryzen 9 3950X vs AMD Ryzen Threadripper 3990X

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Ryzen 9 3950X compared with Ryzen Threadripper 3990X

	AMDRyzen 9 3950X	AMDRyzen Threadripper 3990X
Overview
Released
Released	November 2019	February 2020
Cores and clocks
Cores
Cores	16	64 (better)
Threads
Threads	32	128 (better)
Base clock
Base clock	3.5 GHz	2.9 GHz
Boost clock
Boost clock	4.7 GHz (better)	4.3 GHz
L3 cache
L3 cache	64 MB	256 MB (better)
Cores
Cores	Zen 2; Matisse; sixteen cores with simultaneous multithreading. Two fully enabled eight-core CPU chiplets (PC Perspective).	Castle Peak; Zen 2 architecture; boxed product ID 100-100000163WOF. Supports TRX40 motherboards. AMD confirms worldwide on-shelf availability on 7 February 2020, after its 6 January announcement.
Clocks
Clocks	Unlocked for overclocking; Precision Boost 2.	Precision Boost 2; maximum boost up to 4.3 GHz; unlocked for overclocking
Cache
Cache	1024 KB L1; 8 MB L2; 64 MB L3.	L1 4096 KB; L2 32 MB; the advertised 288 MB combined cache includes L2 and L3
Graphics and AI
Built-in graphics
Built-in graphics	No	No
Graphics
Graphics	No integrated graphics; a separate graphics card is required.	A separate graphics card is required
Platform
Socket
Socket	AM4	sTRX4
Base power
Base power	105 W	280 W
Unlocked
Unlocked	Yes	Yes
Cooler in the box
Cooler in the box	No	No
Memory support
Memory support	DDR4 UDIMM; two channels; up to 128 GB. Two single-rank or dual-rank modules support 3200 MT/s; four single-rank modules 2933 MT/s and four dual-rank modules 2667 MT/s. ECC requires motherboard support.	DDR4 UDIMM; four channels; maximum 256 GB. Up to 3200 MT/s with four single-rank or dual-rank DIMMs, or 2933 MT/s with eight single-rank DIMMs. ECC requires motherboard support.
PCIe
PCIe	PCIe 4.0; 24 native lanes in total, 20 usable. X570 adds 16 usable PCIe 4.0 lanes.	PCIe 4.0; 64 native lanes, 56 usable, plus 16 usable lanes from TRX40. AMD's launch table lists 88 combined processor/chipset lanes, 72 usable.
Chipsets
Chipsets	AMD lists X570, X470, X370 and B450; check the motherboard's CPU support list and BIOS.	–
Process
Process	TSMC 7nm FinFET CPU cores.	CPU cores: TSMC 7 nm FinFET; I/O die: Globalfoundries 12 nm
Cooler
Cooler	No cooler included; liquid cooling recommended. AMD's November launch notice recommends an AIO with at least a 280 mm radiator. Maximum operating temperature 95°C.	Cooler not included; AMD recommends liquid cooling. Maximum operating temperature 95°C.