AMD Ryzen Threadripper 1900X vs AMD Ryzen Threadripper 9970X

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

Only show differences

Better figure, where one is clearly better

Share comparison

Ryzen Threadripper 1900X compared with Ryzen Threadripper 9970X

	AMDRyzen Threadripper 1900X	AMDRyzen Threadripper 9970X
Overview
Released
Released	August 2017	July 2025
Cores and clocks
Cores
Cores	8	32 (better)
Threads
Threads	16	64 (better)
Base clock
Base clock	3.8 GHz	4 GHz
Boost clock
Boost clock	4 GHz	5.4 GHz (better)
L3 cache
L3 cache	16 MB	128 MB (better)
Cores
Cores	Zen architecture; boxed product ID YD190XA8AEWOF. AMD confirms first availability on 31 August 2017.	Shimada Peak; Zen 5 architecture. Boxed product ID 100-100001594WOF; tray 100-000001594. AMD's 25 July 2025 launch blog confirms shipping from 31 July, following the earlier Computex announcement.
Clocks
Clocks	AMD states up to 4.2 GHz with XFR under suitable cooling, separate from the published 4.0 GHz maximum boost	Precision Boost 2; Precision Boost Overdrive and Curve Optimizer voltage offsets supported
Cache
Cache	L1 768 KB; L2 4 MB	L1 2560 KB; L2 32 MB; the advertised 160 MB combined cache includes L2 and L3
Graphics and AI
Built-in graphics
Built-in graphics	No	No
Graphics
Graphics	A separate graphics card is required	A separate graphics card is required
Platform
Socket
Socket	sTR4	sTR5
Base power
Base power	180 W	350 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	DDR5 RDIMM; four channels; up to 6400 MT/s. ECC enabled by default; AMD EXPO supported. AMD's TRX50 platform table specifies up to 1 TB memory.
PCIe
PCIe	PCIe 3.0; 64 lanes	PCIe 5.0; 92 native/platform lanes, 88 usable. AMD's launch platform table distinguishes up to 80 PCIe 5.0 lanes. Four native USB 3.2 Gen 2 ports and two SATA ports; NVMe boot and RAID 0, 1, 10 and 5 supported.
Chipsets
Chipsets	–	TRX50
Process
Process	14 nm	CPU cores: TSMC 4 nm FinFET; I/O die: TSMC 6 nm FinFET. Five package dies.
Cooler
Cooler	No cooler included; maximum operating temperature 68°C	Cooler not included; maximum operating temperature 95°C