TurboVS
AMD Ryzen Threadripper 9980X
AMD Ryzen Threadripper Pro 9955WX

AMD Ryzen Threadripper 9980X AMD Ryzen Threadripper Pro 9955WX

Common Features

  • ✓ Both products are desktop processors.
  • ✓ Neither product has integrated graphics.
  • ✓ Both products have a thermal design power (TDP) of 350W.
  • ✓ Both products are built using a 4 nm semiconductor size.
  • ✓ Both products have a maximum CPU temperature of 95 °C.
  • ✓ Both products support PCIe version 5.
  • ✓ Both products support 64-bit architecture.
  • ✓ Both products have a turbo clock speed of 5.4GHz.
  • ✓ Both products have an unlocked multiplier.
  • ✓ Both products have a 1 MB/core L2 cache.
  • ✓ Both products have a 4 MB/core L3 cache.
  • ✓ Both products do not use big.LITTLE technology.
  • ✓ Both products have the same instruction sets: MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2.
  • ✓ Both products use multithreading technology.
  • ✓ Both products have an NX bit.
  • ✓ Both products support ECC memory.
  • ✓ Both products support DDR5 memory.
  • ✓ Both products support a maximum RAM speed of 6400 MHz.

Main Differences

  • • CPU speed is 64 x 3.2 GHz on AMD Ryzen Threadripper 9980X and 16 x 4.5 GHz on AMD Ryzen Threadripper Pro 9955WX.
  • • CPU threads are 128 threads on AMD Ryzen Threadripper 9980X and 32 threads on AMD Ryzen Threadripper Pro 9955WX.
  • • L2 cache is 64 MB on AMD Ryzen Threadripper 9980X and 16 MB on AMD Ryzen Threadripper Pro 9955WX.
  • • L3 cache is 256 MB on AMD Ryzen Threadripper 9980X and 64 MB on AMD Ryzen Threadripper Pro 9955WX.
  • • L1 cache is 5120 KB on AMD Ryzen Threadripper 9980X and 1280 KB on AMD Ryzen Threadripper Pro 9955WX.
  • • Clock multiplier is 32 on AMD Ryzen Threadripper 9980X and 45 on AMD Ryzen Threadripper Pro 9955WX.
  • • PassMark result is 153564 on AMD Ryzen Threadripper 9980X and 69993 on AMD Ryzen Threadripper Pro 9955WX.
  • • PassMark result (single) is 4591 on AMD Ryzen Threadripper 9980X and 4561 on AMD Ryzen Threadripper Pro 9955WX.
  • • Memory channels are 4 on AMD Ryzen Threadripper 9980X and 8 on AMD Ryzen Threadripper Pro 9955WX.
  • • Maximum memory amount is 1000GB on AMD Ryzen Threadripper 9980X and 2000GB on AMD Ryzen Threadripper Pro 9955WX.
Specs Comparison
AMD Ryzen Threadripper 9980X

AMD Ryzen Threadripper 9980X

AMD Ryzen Threadripper Pro 9955WX

AMD Ryzen Threadripper Pro 9955WX

General info:
Type Desktop Desktop
Has integrated graphics ✕ ✕
release date May 2025 May 2025
Thermal Design Power (TDP) 350W 350W
semiconductor size 4 nm 4 nm
CPU temperature 95 °C 95 °C
PCI Express (PCIe) version 5 5
Supports 64-bit ✓ ✓

Both the AMD Ryzen Threadripper 9980X and the AMD Ryzen Threadripper Pro 9955WX are desktop processors, and neither features integrated graphics.

In terms of thermal design power (TDP), both processors have the same value of 350W. They also share identical specifications for semiconductor size, with both using a 4 nm process. The maximum CPU temperature for both products is listed as 95°C, indicating similar thermal performance limits.

When it comes to connectivity, both processors support PCI Express (PCIe) version 5 and 64-bit processing, offering similar capabilities in terms of expansion and operating system support.

Performance:
CPU speed 64 x 3.2 GHz 16 x 4.5 GHz
CPU threads 128 threads 32 threads
turbo clock speed 5.4GHz 5.4GHz
Has an unlocked multiplier ✓ ✓
L2 cache 64 MB 16 MB
L3 cache 256 MB 64 MB
L1 cache 5120 KB 1280 KB
L2 core 1 MB/core 1 MB/core
L3 core 4 MB/core 4 MB/core
Uses big.LITTLE technology ✕ ✕
clock multiplier 32 45

The AMD Ryzen Threadripper 9980X and the AMD Ryzen Threadripper Pro 9955WX differ significantly in their CPU speed and thread count. The 9980X has a base CPU speed of 64 x 3.2 GHz, with 128 threads, whereas the 9955WX has a base speed of 16 x 4.5 GHz with 32 threads. Both processors support a turbo clock speed of 5.4 GHz.

Regarding cache sizes, the 9980X offers much larger caches. Its L2 cache is 64 MB, L3 cache is 256 MB, and L1 cache is 5120 KB. In comparison, the 9955WX has 16 MB of L2 cache, 64 MB of L3 cache, and 1280 KB of L1 cache.

Both processors share common features like having an unlocked multiplier and using a 1 MB/core L2 cache configuration and a 4 MB/core L3 cache configuration. Neither processor uses big.LITTLE technology, and the clock multipliers also differ, with the 9980X set to 32 and the 9955WX set to 45.

Benchmarks:
PassMark result 153564 69993
PassMark result (single) 4591 4561

The AMD Ryzen Threadripper 9980X and the AMD Ryzen Threadripper Pro 9955WX have differing PassMark benchmark results. The 9980X scores 153,564 in the overall PassMark test, while the 9955WX scores 69,993. For the single-threaded PassMark result, the 9980X scores 4,591, while the 9955WX is slightly lower at 4,561.

Although the 9980X shows a higher overall performance, both processors have almost identical single-threaded results, with only a small difference of 30 points.

Memory:
RAM speed (max) 6400 MHz 6400 MHz
DDR memory version 5 5
memory channels 4 8
maximum memory amount 1000GB 2000GB
Supports ECC memory ✓ ✓

Both the AMD Ryzen Threadripper 9980X and the AMD Ryzen Threadripper Pro 9955WX support a maximum RAM speed of 6400 MHz and use DDR5 memory. However, there are differences in the memory channels and the maximum memory capacity. The 9980X supports 4 memory channels and a maximum memory capacity of 1000GB, while the 9955WX supports 8 memory channels and a much larger maximum memory capacity of 2000GB.

Both processors also support ECC (Error-Correcting Code) memory, ensuring enhanced memory reliability for both models.

Features:
instruction sets MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, SSE 4.2 MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, SSE 4.2
uses multithreading ✓ ✓
Has NX bit ✓ ✓

The AMD Ryzen Threadripper 9980X and the AMD Ryzen Threadripper Pro 9955WX share identical features in this category. Both processors support the same instruction sets, including MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2. Additionally, both models support multithreading and have the NX bit enabled for enhanced security.

There are no differences in the features between these two processors in this group, with both offering the same core capabilities for instruction processing and security features.

Comparison Summary

This is a specification comparison between AMD Ryzen Threadripper 9980X and AMD Ryzen Threadripper Pro 9955WX. Both processors are desktop models with a 350W TDP, no integrated graphics, and a turbo clock speed of 5.4GHz. They share support for 64-bit architecture and DDR5 memory, and both utilize multithreading technology. The AMD Ryzen Threadripper 9980X has 128 threads, a 256 MB L3 cache, and a PassMark result of 153564, while the AMD Ryzen Threadripper Pro 9955WX features 32 threads, a 64 MB L3 cache, and a maximum memory amount of 2000GB. The latter also has 8 memory channels compared to the 4 memory channels of the former.