AMD Ryzen Threadripper 3970X vs AMD Ryzen Threadripper 9980X

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

Better figure, where one is clearly better

Ryzen Threadripper 3970X compared with Ryzen Threadripper 9980X
AMDRyzen Threadripper 3970XAMDRyzen Threadripper 9980X
Overview
ReleasedNovember 2019July 2025
Cores and clocks
Cores3264 (better)
Threads64128 (better)
Base clock3.7 GHz3.2 GHz
Boost clock4.5 GHz5.4 GHz (better)
L3 cache128 MB256 MB (better)
CoresCastle Peak; Zen 2 architecture; boxed product ID 100-100000011WOF. Requires sTRX4/TRX40, incompatible with sTR4/X399 motherboards. AMD confirms worldwide first availability on 25 November 2019, after its 7 November announcement.Shimada Peak; Zen 5 architecture. Boxed product ID 100-100001593WOF; tray 100-000001593. AMD's 25 July 2025 launch blog confirms shipping from 31 July, following the earlier Computex announcement.
ClocksMaximum boost up to 4.5 GHz; unlocked for overclockingPrecision Boost 2; Precision Boost Overdrive and Curve Optimizer voltage offsets supported
CacheL1 2048 KB; L2 16 MB; the advertised 144 MB combined cache includes L2 and L3L1 5120 KB; L2 64 MB; the advertised 320 MB combined cache includes L2 and L3
Graphics and AI
Built-in graphicsNoNo
GraphicsA separate graphics card is requiredA separate graphics card is required
Platform
SocketsTRX4sTR5
Base power280 W350 W
UnlockedYesYes
Cooler in the boxNoNo
Memory supportDDR4; four channels; up to 3200 MT/sDDR5 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.
PCIePCIe 4.0; AMD publishes 88 lanes across the processor and TRX40 chipset, with 72 usablePCIe 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–TRX50
ProcessCPU cores: TSMC 7 nm FinFETCPU cores: TSMC 4 nm FinFET; I/O die: TSMC 6 nm FinFET. Nine package dies.
CoolerNo cooler included; maximum operating temperature 95°CCooler not included; maximum operating temperature 95°C

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