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

✅Draws 105W instead of 350W, a 245W reduction.

Trade-offs

❌Lower Geekbench single-core performance for gaming (2,174 vs 3,016).
❌Lower Cinebench R23 multi-core (21,000 vs 40,000).
❌Less compelling for workstation-style loads than Ryzen Threadripper PRO 9955WX, which brings 16 cores / 32 threads and 128 PCIe lanes.
❌Lower PassMark per dollar, at 71.0 vs 157.5 PassMark/$ ($549 MSRP vs $429 MSRP).
❌Older platform position on AM4 with DDR4, while Ryzen Threadripper PRO 9955WX moves to sTR5 and DDR5.

Ryzen Threadripper PRO 9955WX

2025

Why buy it

✅+38.7% higher Geekbench single-core performance for gaming and desktop responsiveness.
✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 128 PCIe lanes vs 24.
✅Costs $120 less on MSRP ($429 MSRP vs $549 MSRP).
✅Delivers 121.9% more PassMark for each dollar spent, at 157.5 vs 71.0 PassMark/$ ($429 MSRP vs $549 MSRP).
✅Newer platform on sTR5 with DDR5 support instead of AM4 and DDR4.

Trade-offs

❌233.3% higher power demand at 350W vs 105W.

Ryzen 9 5900X

2020

Ryzen Threadripper PRO 9955WX

2025

Why buy it

✅Draws 105W instead of 350W, a 245W reduction.

Why buy it

✅+38.7% higher Geekbench single-core performance for gaming and desktop responsiveness.
✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 128 PCIe lanes vs 24.
✅Costs $120 less on MSRP ($429 MSRP vs $549 MSRP).
✅Delivers 121.9% more PassMark for each dollar spent, at 157.5 vs 71.0 PassMark/$ ($429 MSRP vs $549 MSRP).
✅Newer platform on sTR5 with DDR5 support instead of AM4 and DDR4.

Trade-offs

❌Lower Geekbench single-core performance for gaming (2,174 vs 3,016).
❌Lower Cinebench R23 multi-core (21,000 vs 40,000).
❌Less compelling for workstation-style loads than Ryzen Threadripper PRO 9955WX, which brings 16 cores / 32 threads and 128 PCIe lanes.
❌Lower PassMark per dollar, at 71.0 vs 157.5 PassMark/$ ($549 MSRP vs $429 MSRP).
❌Older platform position on AM4 with DDR4, while Ryzen Threadripper PRO 9955WX moves to sTR5 and DDR5.

Trade-offs

❌233.3% higher power demand at 350W vs 105W.

Quick Answers

So, is Ryzen Threadripper PRO 9955WX better than Ryzen 9 5900X?

Not in a simple one-size-fits-all way. Ryzen Threadripper PRO 9955WX 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 gaming?

If gaming is the priority, Ryzen Threadripper PRO 9955WX is the better pick here. According to our tests, it delivers 1.2% more average FPS across 4 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 9955WX is the better fit. You are getting 90.5% better Cinebench R23 multi-core, backed by 16 cores and 32 threads.

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

Ryzen Threadripper PRO 9955WX is the smarter buy today. Ryzen Threadripper PRO 9955WX is $120 cheaper on MSRP at $429 MSRP versus $549 MSRP, and it gives you a 1.2% average FPS lead across 4 shared CPU game tests in our data. It is also 121.9% better value on MSRP (157.5 vs 71.0 PassMark/$), 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 9955WX is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2020), a healthier platform with sTR5 and DDR5 instead of AM4, more multi-core headroom with 16 cores / 32 threads instead of 12/24, and AVX-512 support for heavier modern compute workloads. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

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 9955WX Benchmark Check

Path of Exile 2

Preset	Ryzen 9 5900X	Ryzen Threadripper PRO 9955WX
1080p
low	323 FPS	297 FPS
medium	291 FPS	270 FPS
high	243 FPS	223 FPS
ultra	193 FPS	188 FPS
1440p
low	307 FPS	273 FPS
medium	248 FPS	224 FPS
high	192 FPS	174 FPS
ultra	157 FPS	153 FPS
4K
low	193 FPS	187 FPS
medium	156 FPS	154 FPS
high	115 FPS	118 FPS
ultra	103 FPS	104 FPS

Open Ryzen 9 5900X Open Ryzen Threadripper PRO 9955WX

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 5900X	Ryzen Threadripper PRO 9955WX
1080p
low	772 FPS	781 FPS
medium	647 FPS	642 FPS
high	508 FPS	476 FPS
ultra	450 FPS	402 FPS
1440p
low	619 FPS	641 FPS
medium	536 FPS	546 FPS
high	443 FPS	420 FPS
ultra	364 FPS	326 FPS
4K
low	365 FPS	360 FPS
medium	318 FPS	310 FPS
high	289 FPS	271 FPS
ultra	255 FPS	228 FPS

Open Ryzen 9 5900X Open Ryzen Threadripper PRO 9955WX

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 5900X	Ryzen Threadripper PRO 9955WX
1080p
low	832 FPS	888 FPS
medium	645 FPS	705 FPS
high	558 FPS	622 FPS
ultra	459 FPS	534 FPS
1440p
low	721 FPS	713 FPS
medium	565 FPS	567 FPS
high	488 FPS	489 FPS
ultra	407 FPS	414 FPS
4K
low	511 FPS	507 FPS
medium	421 FPS	418 FPS
high	374 FPS	375 FPS
ultra	308 FPS	315 FPS

Open Ryzen 9 5900X Open Ryzen Threadripper PRO 9955WX

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 5900X	Ryzen Threadripper PRO 9955WX
1080p
low	974 FPS	1106 FPS
medium	974 FPS	991 FPS
high	934 FPS	867 FPS
ultra	826 FPS	781 FPS
1440p
low	959 FPS	860 FPS
medium	843 FPS	759 FPS
high	726 FPS	664 FPS
ultra	617 FPS	576 FPS
4K
low	694 FPS	632 FPS
medium	621 FPS	562 FPS
high	541 FPS	496 FPS
ultra	437 FPS	429 FPS

Open Ryzen 9 5900X Open Ryzen Threadripper PRO 9955WX

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 5900X and Ryzen Threadripper PRO 9955WX

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 9955WX

The Ryzen Threadripper PRO 9955WX is manufactured by AMD. It was released in 23 July 2025 (less than a year ago). It is based on the Shimada Peak (2025) architecture. It features 16 cores and 32 threads. Base frequency is 4.5 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: sTR5. Thermal design power (TDP): 350 Watt. Memory support: DDR5. Passmark benchmark score: 67,561 points. Launch price was $1,649.

⚡

Processing Power

The Ryzen 9 5900X packs 12 cores / 24 threads, while the Ryzen Threadripper PRO 9955WX offers 16 cores / 32 threads — the Ryzen Threadripper PRO 9955WX has 4 more cores. Boost clocks reach 4.8 GHz on the Ryzen 9 5900X versus 5.4 GHz on the Ryzen Threadripper PRO 9955WX — a 11.8% clock advantage for the Ryzen Threadripper PRO 9955WX (base: 3.7 GHz vs 4.5 GHz). The Ryzen 9 5900X uses the Vermeer (Zen3) (2020−2022) architecture (7 nm, 12 nm), while the Ryzen Threadripper PRO 9955WX uses Shimada Peak (2025) (4 nm). In PassMark, the Ryzen 9 5900X scores 38,955 against the Ryzen Threadripper PRO 9955WX's 67,561 — a 53.7% lead for the Ryzen Threadripper PRO 9955WX. Cinebench R23 multi-core: 21,000 vs 40,000 (62.3% advantage for the Ryzen Threadripper PRO 9955WX). Geekbench 6 single-core — the metric most relevant to gaming — records 2,174 vs 3,016, a 32.4% lead for the Ryzen Threadripper PRO 9955WX that directly translates to higher frame rates. Multi-core Geekbench: 11,888 vs 23,596 (66% advantage for the Ryzen Threadripper PRO 9955WX). L3 cache: 64 MB on the Ryzen 9 5900X vs 64 MB (total) on the Ryzen Threadripper PRO 9955WX.

Feature	Ryzen 9 5900X	Ryzen Threadripper PRO 9955WX
Cores / Threads	12 / 24	16 / 32+33%
Boost Clock	4.8 GHz	5.4 GHz+13%
Base Clock	3.7 GHz	4.5 GHz+22%
L3 Cache	64 MB	64 MB (total)
L2 Cache	512K (per core)	1 MB (per core)+100%
Process	7 nm, 12 nm	4 nm-43%
Architecture	Vermeer (Zen3) (2020−2022)	Shimada Peak (2025)
PassMark	38,955	67,561+73%
Cinebench R23 Multi	21,000	40,000+90%
Geekbench 6 Single	2,174	3,016+39%
Geekbench 6 Multi	11,888	23,596+98%

🧠

Memory & Platform

The Ryzen 9 5900X uses the AM4 socket (PCIe 4.0), while the Ryzen Threadripper PRO 9955WX uses sTR5 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 9 5900X versus DDR5-6400 on the Ryzen Threadripper PRO 9955WX — the Ryzen Threadripper PRO 9955WX supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen Threadripper PRO 9955WX supports up to 2048 GB of RAM compared to 128 GB — 176.5% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 5900X) vs 8 (Ryzen Threadripper PRO 9955WX). PCIe lanes: 24 (Ryzen 9 5900X) vs 128 (Ryzen Threadripper PRO 9955WX) — the Ryzen Threadripper PRO 9955WX offers 104 more lanes for additional GPUs or NVMe drives. Chipset compatibility: A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X) and WRX90 (Ryzen Threadripper PRO 9955WX).

Feature	Ryzen 9 5900X	Ryzen Threadripper PRO 9955WX
Socket	AM4	sTR5
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	DDR4-3200	DDR5-6400+25%
Max RAM Capacity	128 GB	2048 GB+1500%
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 9955WX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (Ryzen 9 5900X) vs true (Ryzen Threadripper PRO 9955WX). Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K; Ryzen Threadripper PRO 9955WX rivals Xeon w7-3555.

Feature	Ryzen 9 5900X	Ryzen Threadripper PRO 9955WX
Integrated GPU	No	No
IGPU Model	—	None
Unlocked	Yes	Yes
AVX-512	No	Yes
Virtualization	AMD-V	true
Target Use	Workstation	—

💰

Value Analysis

The Ryzen 9 5900X launched at $549 MSRP, while the Ryzen Threadripper PRO 9955WX debuted at $429. On MSRP ($549 vs $429), the Ryzen Threadripper PRO 9955WX is $120 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 5900X delivers 71.0 pts/$ vs 157.5 pts/$ for the Ryzen Threadripper PRO 9955WX — making the Ryzen Threadripper PRO 9955WX the 75.8% better value option.