Ryzen Threadripper PRO 3955WX vs Ryzen Threadripper PRO 5945WX

AMD

Ryzen Threadripper PRO 3955WX

16 Cores32 Thrd280 WWMax: 4.3 GHz2020

Popular choices:

VS
AMD

Ryzen Threadripper PRO 5945WX

12 Cores24 Thrd280 WWMax: 4.5 GHz2022

Popular choices:

Performance Spectrum - CPU

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Ryzen Threadripper PRO 3955WX

2020

Why buy it

  • Costs $1,250 less on MSRP ($1,149 MSRP vs $2,399 MSRP).
  • Delivers 107.8% more PassMark for each dollar spent, at 34.8 vs 16.7 PassMark/$ ($1,149 MSRP vs $2,399 MSRP).

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen Threadripper PRO 5945WX across 2 shared CPU benchmark tests.
  • Lower PassMark (39,929 vs 40,126).

Ryzen Threadripper PRO 5945WX

2022

Why buy it

  • Better for gaming: +17.0% higher average FPS across 2 shared CPU benchmark tests.

Trade-offs

  • Lower PassMark per dollar, at 16.7 vs 34.8 PassMark/$ ($2,399 MSRP vs $1,149 MSRP).

Quick Answers

So, is Ryzen Threadripper PRO 5945WX better than Ryzen Threadripper PRO 3955WX?
Yes. Ryzen Threadripper PRO 5945WX is the better overall CPU here. You are getting a 17.0% average FPS lead across 2 shared CPU game tests in our data, 0.5% better PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.
Which one is better for gaming?
If gaming is the priority, Ryzen Threadripper PRO 5945WX is the better pick here. According to our tests, it delivers 17.0% more average FPS across 2 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen Threadripper PRO 5945WX is the better fit. You are getting 0.5% better PassMark, backed by 12 cores and 24 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen Threadripper PRO 5945WX is still the faster CPU overall, but Ryzen Threadripper PRO 3955WX makes more sense if price matters more than absolute performance. Ryzen Threadripper PRO 5945WX is 108.8% more expensive on MSRP at $2,399 MSRP versus $1,149 MSRP, and it gives you a 17.0% average FPS lead across 2 shared CPU game tests in our data. Ryzen Threadripper PRO 3955WX is also 107.8% better value on MSRP (34.8 vs 16.7 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.
Which one is more future-proof for 2026 and beyond?
Ryzen Threadripper PRO 5945WX is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2020) and more multi-core headroom with 12 cores / 24 threads instead of 16/32. That extra compute headroom should age better as games, background tasks, and creator workloads get heavier.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Path of Exile 2

Path of Exile 2

PresetRyzen Threadripper PRO 3955WXRyzen Threadripper PRO 5945WX
1080p
low210 FPS208 FPS
medium170 FPS170 FPS
high142 FPS144 FPS
ultra104 FPS108 FPS
1440p
low186 FPS187 FPS
medium147 FPS150 FPS
high118 FPS122 FPS
ultra88 FPS91 FPS
4K
low88 FPS91 FPS
medium74 FPS78 FPS
high58 FPS61 FPS
ultra47 FPS49 FPS
Counter-Strike 2

Counter-Strike 2

PresetRyzen Threadripper PRO 3955WXRyzen Threadripper PRO 5945WX
1080p
low557 FPS770 FPS
medium486 FPS656 FPS
high395 FPS516 FPS
ultra351 FPS453 FPS
1440p
low479 FPS639 FPS
medium424 FPS554 FPS
high356 FPS457 FPS
ultra296 FPS373 FPS
4K
low299 FPS375 FPS
medium268 FPS327 FPS
high243 FPS296 FPS
ultra217 FPS262 FPS
League of Legends

League of Legends

PresetRyzen Threadripper PRO 3955WXRyzen Threadripper PRO 5945WX
1080p
low773 FPS802 FPS
medium638 FPS659 FPS
high569 FPS602 FPS
ultra494 FPS524 FPS
1440p
low600 FPS617 FPS
medium495 FPS506 FPS
high437 FPS458 FPS
ultra376 FPS394 FPS
4K
low431 FPS447 FPS
medium344 FPS357 FPS
high303 FPS323 FPS
ultra243 FPS257 FPS
Valorant

Valorant

PresetRyzen Threadripper PRO 3955WXRyzen Threadripper PRO 5945WX
1080p
low998 FPS1003 FPS
medium970 FPS1003 FPS
high823 FPS911 FPS
ultra725 FPS806 FPS
1440p
low847 FPS933 FPS
medium745 FPS817 FPS
high630 FPS703 FPS
ultra540 FPS601 FPS
4K
low594 FPS667 FPS
medium540 FPS599 FPS
high468 FPS521 FPS
ultra405 FPS437 FPS

Technical Specifications

Side-by-side comparison of Ryzen Threadripper PRO 3955WX and Ryzen Threadripper PRO 5945WX

AMD

Ryzen Threadripper PRO 3955WX

The Ryzen Threadripper PRO 3955WX is manufactured by AMD. It was released in 14 July 2020 (5 years ago). It is based on the Castle Peak (2020) architecture. It features 16 cores and 32 threads. Base frequency is 3.9 GHz, with boost up to 4.3 GHz. L3 cache: 64 MB. L2 cache: 512 kB (per core). Built on 7 nm, 12 nm process technology. Socket: sWRX8. Thermal design power (TDP): 280 Watt. Memory support: DDR4-3200. Passmark benchmark score: 39,929 points. Launch price was $1,149.

AMD

Ryzen Threadripper PRO 5945WX

The Ryzen Threadripper PRO 5945WX is manufactured by AMD. It was released in 8 March 2022 (3 years ago). It is based on the Chagall PRO (2022) architecture. It features 12 cores and 24 threads. Base frequency is 4.1 GHz, with boost up to 4.5 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm process technology. Socket: sWRX8. Thermal design power (TDP): 280 Watt. Memory support: DDR4-3200. Passmark benchmark score: 40,126 points. Launch price was $499.

Processing Power

The Ryzen Threadripper PRO 3955WX packs 16 cores / 32 threads, while the Ryzen Threadripper PRO 5945WX offers 12 cores / 24 threads — the Ryzen Threadripper PRO 3955WX has 4 more cores. Boost clocks reach 4.3 GHz on the Ryzen Threadripper PRO 3955WX versus 4.5 GHz on the Ryzen Threadripper PRO 5945WX — a 4.5% clock advantage for the Ryzen Threadripper PRO 5945WX (base: 3.9 GHz vs 4.1 GHz). The Ryzen Threadripper PRO 3955WX uses the Castle Peak (2020) architecture (7 nm, 12 nm), while the Ryzen Threadripper PRO 5945WX uses Chagall PRO (2022) (7 nm). In PassMark, the Ryzen Threadripper PRO 3955WX scores 39,929 against the Ryzen Threadripper PRO 5945WX's 40,126 — a 0.5% lead for the Ryzen Threadripper PRO 5945WX. Both processors carry 64 MB of L3 cache.

FeatureRyzen Threadripper PRO 3955WXRyzen Threadripper PRO 5945WX
Cores / Threads
16 / 32+33%
12 / 24
Boost Clock
4.3 GHz
4.5 GHz+5%
Base Clock
3.9 GHz
4.1 GHz+5%
L3 Cache
64 MB
64 MB
L2 Cache
512 kB (per core)
512K (per core)
Process
7 nm, 12 nm
7 nm
Architecture
Castle Peak (2020)
Chagall PRO (2022)
PassMark
39,929
40,126
🧠

Memory & Platform

Both processors use the sWRX8 socket with PCIe 4.0. Both support up to 3200 memory speed. Both support up to 2048 of RAM. Both feature 8-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: WRX80 (Ryzen Threadripper PRO 3955WX) and WRX80 (Ryzen Threadripper PRO 5945WX).

FeatureRyzen Threadripper PRO 3955WXRyzen Threadripper PRO 5945WX
Socket
sWRX8
sWRX8
PCIe Generation
PCIe 4.0
PCIe 4.0
Max RAM Speed
3200
3200
Max RAM Capacity
2048
2048
RAM Channels
8
8
ECC Support
Yes
Yes
PCIe Lanes
128
128
🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support VT-x, VT-d, AMD-V virtualization. Direct competitor: Ryzen Threadripper PRO 3955WX rivals Xeon Silver 4314; Ryzen Threadripper PRO 5945WX rivals Xeon W-3335.

FeatureRyzen Threadripper PRO 3955WXRyzen Threadripper PRO 5945WX
Integrated GPU
No
No
IGPU Model
None
None
Unlocked
Yes
Yes
AVX-512
Yes
Yes
Virtualization
VT-x, VT-d, AMD-V
VT-x, VT-d, AMD-V
💰

Value Analysis

The Ryzen Threadripper PRO 3955WX launched at $1149 MSRP, while the Ryzen Threadripper PRO 5945WX debuted at $2399. On MSRP ($1149 vs $2399), the Ryzen Threadripper PRO 3955WX is $1250 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen Threadripper PRO 3955WX delivers 34.8 pts/$ vs 16.7 pts/$ for the Ryzen Threadripper PRO 5945WX — making the Ryzen Threadripper PRO 3955WX the 70% better value option.

FeatureRyzen Threadripper PRO 3955WXRyzen Threadripper PRO 5945WX
MSRP
$1149-52%
$2399
Performance per Dollar
34.8+108%
16.7
Release Date
2020
2022