Ryzen Threadripper PRO 3955WX vs Ryzen Threadripper PRO 5945WX

AMD

Ryzen Threadripper PRO 3955WX

16 Cores32 Thrd280 WWMax: 4.3 GHz2020
Threadripper Pro family
··
VS
AMD

Ryzen Threadripper PRO 5945WX

12 Cores24 Thrd280 WWMax: 4.5 GHz2022
Threadripper Pro family
···

Ryzen Threadripper PRO 3955WX vs Ryzen Threadripper PRO 5945WX Performance Spectrum

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.

Ryzen Threadripper PRO 3955WX vs Ryzen Threadripper PRO 5945WX FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Ryzen Threadripper PRO 3955WX vs Ryzen Threadripper PRO 5945WX: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

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 50 shared CPU benchmark tests.
  • Lower PassMark (39,929 vs 40,126).

Ryzen Threadripper PRO 5945WX

2022

Why buy it

  • Better for gaming: +19.9% higher average FPS across 50 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 all-around CPU here. It gives you a 19.9% average FPS lead across 50 shared CPU game tests in our data, 0.5% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Ryzen Threadripper PRO 5945WX is the better pick. According to our tests, it delivers 19.9% more average FPS across 50 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 stronger 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 is easier to justify if budget matters more than peak performance. Ryzen Threadripper PRO 5945WX comes in 108.8% more expensive on MSRP at $2,399 MSRP versus $1,149 MSRP, and it still gives you a 19.9% average FPS lead across 50 shared CPU game tests in our data. Ryzen Threadripper PRO 3955WX is also 107.8% better value on MSRP (34.8 vs 16.7 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.
Which one is more future-proof for 2026 and beyond?
Ryzen Threadripper PRO 5945WX makes more sense long term 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 is more likely to matter as games, background tasks, and creator workloads get heavier.

Ryzen Threadripper PRO 3955WX vs Ryzen Threadripper PRO 5945WX Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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

At launch, the Ryzen Threadripper PRO 3955WX was priced at $1149, while the Ryzen Threadripper PRO 5945WX came in at $2399. On launch pricing ($1149 vs $2399), Ryzen Threadripper PRO 3955WX was $1250 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen Threadripper PRO 3955WX delivers 34.8 pts/$ 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

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