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 9 5900X

2020

Why buy it

✅Better for gaming: +15.2% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $600 less on MSRP ($549 MSRP vs $1,149 MSRP).
✅Delivers 104.2% more PassMark for each dollar spent, at 71.0 vs 34.8 PassMark/$ ($549 MSRP vs $1,149 MSRP).
✅Draws 105W instead of 280W, a 175W reduction.

Trade-offs

❌Lower PassMark (38,955 vs 39,929).
❌Less compelling for workstation-style loads than Ryzen Threadripper PRO 3955WX, which brings 16 cores / 32 threads and 128 PCIe lanes.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Ryzen Threadripper PRO 3955WX

2020

Why buy it

✅+2.5% higher PassMark.
✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 128 PCIe lanes vs 24.
✅433.3% more PCIe lanes (128 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 4 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 34.8 vs 71.0 PassMark/$ ($1,149 MSRP vs $549 MSRP).
❌166.7% higher power demand at 280W vs 105W.

Ryzen 9 5900X

2020

Ryzen Threadripper PRO 3955WX

2020

Why buy it

✅Better for gaming: +15.2% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $600 less on MSRP ($549 MSRP vs $1,149 MSRP).
✅Delivers 104.2% more PassMark for each dollar spent, at 71.0 vs 34.8 PassMark/$ ($549 MSRP vs $1,149 MSRP).
✅Draws 105W instead of 280W, a 175W reduction.

Why buy it

✅+2.5% higher PassMark.
✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 128 PCIe lanes vs 24.
✅433.3% more PCIe lanes (128 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (38,955 vs 39,929).
❌Less compelling for workstation-style loads than Ryzen Threadripper PRO 3955WX, which brings 16 cores / 32 threads and 128 PCIe lanes.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 4 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 34.8 vs 71.0 PassMark/$ ($1,149 MSRP vs $549 MSRP).
❌166.7% higher power demand at 280W vs 105W.

Quick Answers

So, is Ryzen 9 5900X better than Ryzen Threadripper PRO 3955WX?

Not in a simple one-size-fits-all way. Ryzen Threadripper PRO 3955WX makes more sense for workstation-style multi-core throughput, while Ryzen 9 5900X is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Ryzen Threadripper PRO 3955WX is the better fit. You are getting 2.5% better PassMark, backed by 16 cores and 32 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Ryzen 9 5900X is the smarter buy today. Ryzen 9 5900X is $600 cheaper on MSRP at $549 MSRP versus $1,149 MSRP, and it gives you a 15.2% average FPS lead across 4 shared CPU game tests in our data. The trade-off is that Ryzen Threadripper PRO 3955WX is still stronger for heavier multi-core work with 2.5% better PassMark. It is also 104.2% better value on MSRP (71.0 vs 34.8 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.

Which one is more future-proof for 2026 and beyond?

Ryzen Threadripper PRO 3955WX is the more future-proof choice for 2026 and beyond. You are getting more multi-core headroom with 16 cores / 32 threads instead of 12/24 and AVX-512 support for heavier modern compute workloads. 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.

Ryzen 9 5900X Benchmark Check

Ryzen Threadripper PRO 3955WX Benchmark Check

Path of Exile 2

Preset	Ryzen 9 5900X	Ryzen Threadripper PRO 3955WX
1080p
low	323 FPS	210 FPS
medium	291 FPS	170 FPS
high	243 FPS	142 FPS
ultra	193 FPS	104 FPS
1440p
low	307 FPS	186 FPS
medium	248 FPS	147 FPS
high	192 FPS	118 FPS
ultra	157 FPS	88 FPS
4K
low	193 FPS	88 FPS
medium	156 FPS	74 FPS
high	115 FPS	58 FPS
ultra	103 FPS	47 FPS

Open Ryzen 9 5900X Open Ryzen Threadripper PRO 3955WX

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 5900X	Ryzen Threadripper PRO 3955WX
1080p
low	772 FPS	557 FPS
medium	647 FPS	486 FPS
high	508 FPS	395 FPS
ultra	450 FPS	351 FPS
1440p
low	619 FPS	479 FPS
medium	536 FPS	424 FPS
high	443 FPS	356 FPS
ultra	364 FPS	296 FPS
4K
low	365 FPS	299 FPS
medium	318 FPS	268 FPS
high	289 FPS	243 FPS
ultra	255 FPS	217 FPS

Open Ryzen 9 5900X Open Ryzen Threadripper PRO 3955WX

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 5900X	Ryzen Threadripper PRO 3955WX
1080p
low	832 FPS	773 FPS
medium	645 FPS	638 FPS
high	558 FPS	569 FPS
ultra	459 FPS	494 FPS
1440p
low	721 FPS	600 FPS
medium	565 FPS	495 FPS
high	488 FPS	437 FPS
ultra	407 FPS	376 FPS
4K
low	511 FPS	431 FPS
medium	421 FPS	344 FPS
high	374 FPS	303 FPS
ultra	308 FPS	243 FPS

Open Ryzen 9 5900X Open Ryzen Threadripper PRO 3955WX

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 5900X	Ryzen Threadripper PRO 3955WX
1080p
low	974 FPS	998 FPS
medium	974 FPS	970 FPS
high	934 FPS	823 FPS
ultra	826 FPS	725 FPS
1440p
low	959 FPS	847 FPS
medium	843 FPS	745 FPS
high	726 FPS	630 FPS
ultra	617 FPS	540 FPS
4K
low	694 FPS	594 FPS
medium	621 FPS	540 FPS
high	541 FPS	468 FPS
ultra	437 FPS	405 FPS

Open Ryzen 9 5900X Open Ryzen Threadripper PRO 3955WX

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 5900X and Ryzen Threadripper PRO 3955WX

Ryzen 9 5900X

The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.

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.

⚡

Processing Power

The Ryzen 9 5900X packs 12 cores / 24 threads, while the Ryzen Threadripper PRO 3955WX offers 16 cores / 32 threads — the Ryzen Threadripper PRO 3955WX has 4 more cores. Boost clocks reach 4.8 GHz on the Ryzen 9 5900X versus 4.3 GHz on the Ryzen Threadripper PRO 3955WX — a 11% clock advantage for the Ryzen 9 5900X (base: 3.7 GHz vs 3.9 GHz). The Ryzen 9 5900X uses the Vermeer (Zen3) (2020−2022) architecture (7 nm, 12 nm), while the Ryzen Threadripper PRO 3955WX uses Castle Peak (2020) (7 nm, 12 nm). In PassMark, the Ryzen 9 5900X scores 38,955 against the Ryzen Threadripper PRO 3955WX's 39,929 — a 2.5% lead for the Ryzen Threadripper PRO 3955WX. Both processors carry 64 MB of L3 cache.

Feature	Ryzen 9 5900X	Ryzen Threadripper PRO 3955WX
Cores / Threads	12 / 24	16 / 32+33%
Boost Clock	4.8 GHz+12%	4.3 GHz
Base Clock	3.7 GHz	3.9 GHz+5%
L3 Cache	64 MB	64 MB
L2 Cache	512K (per core)	512 kB (per core)
Process	7 nm, 12 nm	7 nm, 12 nm
Architecture	Vermeer (Zen3) (2020−2022)	Castle Peak (2020)
PassMark	38,955	39,929+3%
Cinebench R23 Multi	21,000	—
Geekbench 6 Single	2,174	—
Geekbench 6 Multi	11,888	—

🧠

Memory & Platform

The Ryzen 9 5900X uses the AM4 socket (PCIe 4.0), while the Ryzen Threadripper PRO 3955WX uses sWRX8 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 9 5900X versus 3200 on the Ryzen Threadripper PRO 3955WX — the Ryzen Threadripper PRO 3955WX supports 199.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen Threadripper PRO 3955WX supports up to 2048 of RAM compared to 128 GB — 176.5% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 5900X) vs 8 (Ryzen Threadripper PRO 3955WX). PCIe lanes: 24 (Ryzen 9 5900X) vs 128 (Ryzen Threadripper PRO 3955WX) — the Ryzen Threadripper PRO 3955WX offers 104 more lanes for additional GPUs or NVMe drives. Chipset compatibility: A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X) and WRX80 (Ryzen Threadripper PRO 3955WX).

Feature	Ryzen 9 5900X	Ryzen Threadripper PRO 3955WX
Socket	AM4	sWRX8
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	DDR4-3200	3200+79900%
Max RAM Capacity	128 GB+6553500%	2048
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	24	128+433%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen Threadripper PRO 3955WX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (Ryzen 9 5900X) vs VT-x, VT-d, AMD-V (Ryzen Threadripper PRO 3955WX). Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K; Ryzen Threadripper PRO 3955WX rivals Xeon Silver 4314.

Feature	Ryzen 9 5900X	Ryzen Threadripper PRO 3955WX
Integrated GPU	No	No
IGPU Model	—	None
Unlocked	Yes	Yes
AVX-512	No	Yes
Virtualization	AMD-V	VT-x, VT-d, AMD-V
Target Use	Workstation	—

💰

Value Analysis

The Ryzen 9 5900X launched at $549 MSRP, while the Ryzen Threadripper PRO 3955WX debuted at $1149. On MSRP ($549 vs $1149), the Ryzen 9 5900X is $600 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 5900X delivers 71.0 pts/$ vs 34.8 pts/$ for the Ryzen Threadripper PRO 3955WX — making the Ryzen 9 5900X the 68.5% better value option.