Ryzen 9 9955HX3D vs Ryzen Threadripper PRO 3975WX

AMD

Ryzen 9 9955HX3D

16 Cores32 Thrd55 WWMax: 5.4 GHz2025
Ryzen family
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VS
AMD

Ryzen Threadripper PRO 3975WX

32 Cores64 Thrd280 WWMax: 4.2 GHz2020
Threadripper Pro family
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Ryzen 9 9955HX3D vs Ryzen Threadripper PRO 3975WX 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 9 9955HX3D vs Ryzen Threadripper PRO 3975WX 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 9 9955HX3D vs Ryzen Threadripper PRO 3975WX: Pros, Cons & Final Verdict

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

Ryzen 9 9955HX3D

2025

Why buy it

  • βœ…Costs $588 less on MSRP ($749 MSRP vs $1,337 MSRP).
  • βœ…Delivers 76.5% more PassMark for each dollar spent, at 82.2 vs 46.6 PassMark/$ ($749 MSRP vs $1,337 MSRP).
  • βœ…Draws 55W instead of 280W, a 225W reduction.
  • βœ…Newer platform on FL1 with DDR5 support instead of sWRX8 and DDR4.
  • βœ…Integrated graphics onboard with AMD Radeon 610M, while Ryzen Threadripper PRO 3975WX needs a discrete GPU.

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

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

Trade-offs

  • ❌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 really, because they are built for different jobs. Ryzen Threadripper PRO 3975WX makes more sense for workstation-style multi-core throughput, while Ryzen 9 9955HX3D is the more practical desktop choice for gaming, platform cost, and everyday use.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen Threadripper PRO 3975WX is the stronger 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 better buy right now. Ryzen 9 9955HX3D comes in $588 cheaper on MSRP at $749 MSRP versus $1,337 MSRP, and it still gives you a 2.7% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Ryzen Threadripper PRO 3975WX is still stronger for heavier multi-core work with 1.1% better PassMark. It is also 76.5% better value on MSRP (82.2 vs 46.6 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Ryzen 9 9955HX3D makes more sense long term 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 gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Ryzen 9 9955HX3D vs Ryzen Threadripper PRO 3975WX Technical Specifications

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

AMD

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.

AMD

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 (2019βˆ’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.

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Processing Power

The Ryzen 9 9955HX3D packs 16 cores / 32 threads, while the Ryzen Threadripper PRO 3975WX offers 32 cores / 64 threads β€” 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 β€” 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 (2019βˆ’2020) (7 nm, 12 nm). In PassMark, the Ryzen 9 9955HX3D scores 61,578 against the Ryzen Threadripper PRO 3975WX's 62,261 β€” 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.

FeatureRyzen 9 9955HX3DRyzen 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)
512K (per core)+51100%
Process
4 nm-43%
7 nm, 12 nm
Architecture
Fire Range-HX (Zen 5) (2025)
Matisse (2019βˆ’2020)
PassMark
61,578
62,261+1%
Cinebench R23 Multi
β€”
42,986
Geekbench 6 Single
β€”
1,260
Geekbench 6 Multi
β€”
25,211
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Memory & Platform

The Ryzen 9 9955HX3D uses the FL1 socket (PCIe 5.0), while the Ryzen Threadripper PRO 3975WX uses sWRX8 (PCIe 4.0) β€” 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 β€” the Ryzen 9 9955HX3D supports 75% 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 GB β€” 2033.3% 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) β€” 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).

FeatureRyzen 9 9955HX3DRyzen Threadripper PRO 3975WX
Socket
FL1
sWRX8
PCIe Generation
PCIe 5.0+25%
PCIe 4.0
Max RAM Speed
5600+75%
DDR4-3200
Max RAM Capacity
96 GB
2048 GB+2033%
RAM Channels
2
8+300%
ECC Support
Yes
Yes
PCIe Lanes
28
128+357%
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Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 9955HX3D supports AVX-512 instructions β€” 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.

FeatureRyzen 9 9955HX3DRyzen 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
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Value Analysis

At launch, the Ryzen 9 9955HX3D was priced at $749, while the Ryzen Threadripper PRO 3975WX came in at $1337. On launch pricing ($749 vs $1337), Ryzen 9 9955HX3D was $588 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 9955HX3D delivers 82.2 pts/$ vs 46.6 pts/$ for the Ryzen Threadripper PRO 3975WX β€” making the Ryzen 9 9955HX3D the 55.4% better value option.

FeatureRyzen 9 9955HX3DRyzen Threadripper PRO 3975WX
MSRP
$749-44%
$1337
Performance per Dollar
82.2+76%
46.6
Release Date
2025
2020

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