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 9955HX3D

2025

Why buy it

✅Better for gaming: +23.2% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $588 less on MSRP ($749 MSRP vs $1,337 MSRP).
✅Delivers 76.5% more PassMark for each dollar spent, at 82.2 vs 46.6 PassMark/$ ($749 MSRP vs $1,337 MSRP).
✅Draws 55W instead of 280W, a 225W reduction.
✅Newer platform on FL1 with DDR5 support instead of sWRX8 and DDR4.

Trade-offs

❌Lower PassMark (61,578 vs 62,261).
❌Less compelling for workstation-style loads than Ryzen Threadripper PRO 3975WX, which brings 32 cores / 64 threads and 128 PCIe lanes.

Ryzen Threadripper PRO 3975WX

2020

Why buy it

✅+1.1% higher PassMark.
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 128 PCIe lanes vs 28.
✅357.1% more PCIe lanes (128 vs 28) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 9955HX3D across 4 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 46.6 vs 82.2 PassMark/$ ($1,337 MSRP vs $749 MSRP).
❌409.1% higher power demand at 280W vs 55W.
❌Older platform position on sWRX8 with DDR4, while Ryzen 9 9955HX3D moves to FL1 and DDR5.
❌No integrated graphics, while Ryzen 9 9955HX3D can still boot and troubleshoot without a discrete GPU.

Ryzen 9 9955HX3D

2025

Ryzen Threadripper PRO 3975WX

2020

Why buy it

✅Better for gaming: +23.2% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $588 less on MSRP ($749 MSRP vs $1,337 MSRP).
✅Delivers 76.5% more PassMark for each dollar spent, at 82.2 vs 46.6 PassMark/$ ($749 MSRP vs $1,337 MSRP).
✅Draws 55W instead of 280W, a 225W reduction.
✅Newer platform on FL1 with DDR5 support instead of sWRX8 and DDR4.

Why buy it

✅+1.1% higher PassMark.
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 128 PCIe lanes vs 28.
✅357.1% more PCIe lanes (128 vs 28) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (61,578 vs 62,261).
❌Less compelling for workstation-style loads than Ryzen Threadripper PRO 3975WX, which brings 32 cores / 64 threads and 128 PCIe lanes.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 9955HX3D across 4 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 46.6 vs 82.2 PassMark/$ ($1,337 MSRP vs $749 MSRP).
❌409.1% higher power demand at 280W vs 55W.
❌Older platform position on sWRX8 with DDR4, while Ryzen 9 9955HX3D moves to FL1 and DDR5.
❌No integrated graphics, while Ryzen 9 9955HX3D can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen 9 9955HX3D better than Ryzen Threadripper PRO 3975WX?

Not in a simple one-size-fits-all way. Ryzen Threadripper PRO 3975WX makes more sense for workstation-style multi-core throughput, while Ryzen 9 9955HX3D 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 3975WX is the better fit. You are getting 1.1% better PassMark, backed by 32 cores and 64 threads.

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

Ryzen 9 9955HX3D is the smarter buy today. Ryzen 9 9955HX3D is $588 cheaper on MSRP at $749 MSRP versus $1,337 MSRP, and it gives you a 23.2% average FPS lead across 4 shared CPU game tests in our data. The trade-off is that Ryzen Threadripper PRO 3975WX is still stronger for heavier multi-core work with 1.1% better PassMark. It is also 76.5% better value on MSRP (82.2 vs 46.6 PassMark/$), 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 9 9955HX3D is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2020), a healthier platform with FL1 and DDR5 instead of sWRX8, 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 9955HX3D Benchmark Check

Ryzen Threadripper PRO 3975WX Benchmark Check

Path of Exile 2

Preset	Ryzen 9 9955HX3D	Ryzen Threadripper PRO 3975WX
1080p
low	287 FPS	183 FPS
medium	265 FPS	149 FPS
high	217 FPS	126 FPS
ultra	183 FPS	98 FPS
1440p
low	264 FPS	160 FPS
medium	221 FPS	127 FPS
high	170 FPS	101 FPS
ultra	150 FPS	79 FPS
4K
low	183 FPS	73 FPS
medium	153 FPS	61 FPS
high	116 FPS	48 FPS
ultra	103 FPS	40 FPS

Open Ryzen 9 9955HX3D Open Ryzen Threadripper PRO 3975WX

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 9955HX3D	Ryzen Threadripper PRO 3975WX
1080p
low	698 FPS	579 FPS
medium	601 FPS	499 FPS
high	448 FPS	383 FPS
ultra	376 FPS	327 FPS
1440p
low	579 FPS	485 FPS
medium	517 FPS	425 FPS
high	398 FPS	338 FPS
ultra	311 FPS	274 FPS
4K
low	325 FPS	304 FPS
medium	294 FPS	270 FPS
high	258 FPS	231 FPS
ultra	218 FPS	202 FPS

Open Ryzen 9 9955HX3D Open Ryzen Threadripper PRO 3975WX

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 9955HX3D	Ryzen Threadripper PRO 3975WX
1080p
low	851 FPS	681 FPS
medium	696 FPS	564 FPS
high	627 FPS	497 FPS
ultra	539 FPS	425 FPS
1440p
low	680 FPS	570 FPS
medium	557 FPS	479 FPS
high	490 FPS	424 FPS
ultra	416 FPS	364 FPS
4K
low	484 FPS	417 FPS
medium	401 FPS	333 FPS
high	361 FPS	293 FPS
ultra	302 FPS	234 FPS

Open Ryzen 9 9955HX3D Open Ryzen Threadripper PRO 3975WX

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 9955HX3D	Ryzen Threadripper PRO 3975WX
1080p
low	1080 FPS	1020 FPS
medium	976 FPS	917 FPS
high	854 FPS	765 FPS
ultra	768 FPS	664 FPS
1440p
low	853 FPS	802 FPS
medium	753 FPS	701 FPS
high	660 FPS	584 FPS
ultra	571 FPS	496 FPS
4K
low	622 FPS	559 FPS
medium	557 FPS	504 FPS
high	494 FPS	437 FPS
ultra	426 FPS	373 FPS

Open Ryzen 9 9955HX3D Open Ryzen Threadripper PRO 3975WX

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 9955HX3D and Ryzen Threadripper PRO 3975WX

Ryzen 9 9955HX3D

The Ryzen 9 9955HX3D is manufactured by AMD. It was released in 2025-01-01. It is based on the Fire Range-HX (Zen 5) (2025) architecture. It features 16 cores and 32 threads. Base frequency is 2.5 GHz, with boost up to 5.4 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 61,578 points. Launch price was $700.

Ryzen Threadripper PRO 3975WX

The Ryzen Threadripper PRO 3975WX is manufactured by AMD. It was released in 2020-07-14. It is based on the Matisse (2019−2020) architecture. It features 32 cores and 64 threads. Base frequency is 3.5 GHz, with boost up to 4.2 GHz. L3 cache: 128 MB. L2 cache: 512K (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: 62,261 points. Launch price was $4,499.

⚡

Processing Power

The Ryzen 9 9955HX3D packs 16 cores / 32 threads, while the Ryzen Threadripper PRO 3975WX offers 32 cores / 64 threads — the Ryzen Threadripper PRO 3975WX has 16 more cores. Boost clocks reach 5.4 GHz on the Ryzen 9 9955HX3D versus 4.2 GHz on the Ryzen Threadripper PRO 3975WX — a 25% clock advantage for the Ryzen 9 9955HX3D (base: 2.5 GHz vs 3.5 GHz). The Ryzen 9 9955HX3D uses the Fire Range-HX (Zen 5) (2025) architecture (4 nm), while the Ryzen Threadripper PRO 3975WX uses Matisse (2019−2020) (7 nm, 12 nm). In PassMark, the Ryzen 9 9955HX3D scores 61,578 against the Ryzen Threadripper PRO 3975WX's 62,261 — a 1.1% lead for the Ryzen Threadripper PRO 3975WX. L3 cache: 128 MB (total) on the Ryzen 9 9955HX3D vs 128 MB on the Ryzen Threadripper PRO 3975WX.

Feature	Ryzen 9 9955HX3D	Ryzen Threadripper PRO 3975WX
Cores / Threads	16 / 32	32 / 64+100%
Boost Clock	5.4 GHz+29%	4.2 GHz
Base Clock	2.5 GHz	3.5 GHz+40%
L3 Cache	128 MB (total)	128 MB
L2 Cache	1 MB (per core)+100%	512K (per core)
Process	4 nm-43%	7 nm, 12 nm
Architecture	Fire Range-HX (Zen 5) (2025)	Matisse (2019−2020)
PassMark	61,578	62,261+1%
Cinebench R23 Multi	—	42,986
Geekbench 6 Single	—	1,260
Geekbench 6 Multi	—	25,211

🧠

Memory & Platform

The Ryzen 9 9955HX3D uses the FL1 socket (PCIe 5.0), while the Ryzen Threadripper PRO 3975WX uses sWRX8 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5600 on the Ryzen 9 9955HX3D versus DDR4-3200 on the Ryzen Threadripper PRO 3975WX — the Ryzen 9 9955HX3D supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen Threadripper PRO 3975WX supports up to 2048 GB of RAM compared to 96 — 182.1% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 9955HX3D) vs 8 (Ryzen Threadripper PRO 3975WX). PCIe lanes: 28 (Ryzen 9 9955HX3D) vs 128 (Ryzen Threadripper PRO 3975WX) — the Ryzen Threadripper PRO 3975WX offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FL1 (Ryzen 9 9955HX3D) and AMD WRX80 (Ryzen Threadripper PRO 3975WX).

Feature	Ryzen 9 9955HX3D	Ryzen Threadripper PRO 3975WX
Socket	FL1	sWRX8
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	5600+139900%	DDR4-3200
Max RAM Capacity	96	2048 GB+2236962033%
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	28	128+357%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 9955HX3D supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, AMD-V (Ryzen 9 9955HX3D) vs true (Ryzen Threadripper PRO 3975WX). The Ryzen 9 9955HX3D includes integrated graphics (AMD Radeon 610M), while the Ryzen Threadripper PRO 3975WX requires a dedicated GPU. Direct competitor: Ryzen 9 9955HX3D rivals Core Ultra 9 185H; Ryzen Threadripper PRO 3975WX rivals Xeon W-3375.

Feature	Ryzen 9 9955HX3D	Ryzen Threadripper PRO 3975WX
Integrated GPU	Yes	No
IGPU Model	AMD Radeon 610M	None
Unlocked	Yes	Yes
AVX-512	Yes	No
Virtualization	VT-x, VT-d, AMD-V	true

💰

Value Analysis

The Ryzen 9 9955HX3D launched at $749 MSRP, while the Ryzen Threadripper PRO 3975WX debuted at $1337. On MSRP ($749 vs $1337), the Ryzen 9 9955HX3D is $588 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 9955HX3D delivers 82.2 pts/$ vs 46.6 pts/$ for the Ryzen Threadripper PRO 3975WX — making the Ryzen 9 9955HX3D the 55.4% better value option.