Ryzen Threadripper PRO 9955WX vs Xeon Gold 6448H

AMD

Ryzen Threadripper PRO 9955WX

16 Cores32 Thrd350 WWMax: 5.4 GHz2025
VS
Intel

Xeon Gold 6448H

32 Cores64 Thrd250 WWMax: 4.1 GHz2023
Similar parts
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Ryzen Threadripper PRO 9955WX vs Xeon Gold 6448H 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 9955WX vs Xeon Gold 6448H 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 9955WX vs Xeon Gold 6448H: 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 9955WX

2025

Why buy it

  • Better for gaming: +14.9% higher average FPS across 50 shared CPU benchmark tests.
  • Costs $3,229 less on MSRP ($429 MSRP vs $3,658 MSRP).
  • Delivers 719.6% more PassMark for each dollar spent, at 157.5 vs 19.2 PassMark/$ ($429 MSRP vs $3,658 MSRP).
  • 60% more PCIe lanes (128 vs 80) for storage and expansion-heavy builds.

Trade-offs

  • Lower PassMark (67,561 vs 70,292).
  • 40% higher power demand at 350W vs 250W.

Xeon Gold 6448H

2023

Why buy it

  • +4% higher PassMark.
  • Draws 250W instead of 350W, a 100W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen Threadripper PRO 9955WX across 50 shared CPU benchmark tests.
  • Lower PassMark per dollar, at 19.2 vs 157.5 PassMark/$ ($3,658 MSRP vs $429 MSRP).

Quick Answers

So, is Ryzen Threadripper PRO 9955WX better than Xeon Gold 6448H?
It depends on what you want from the system. For gaming, Ryzen Threadripper PRO 9955WX is ahead with a 14.9% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon Gold 6448H pulls ahead with 4% better PassMark.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Xeon Gold 6448H is the stronger fit. You are getting 4% better PassMark, backed by 32 cores and 64 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen Threadripper PRO 9955WX is the better buy right now. Ryzen Threadripper PRO 9955WX comes in $3,229 cheaper on MSRP at $429 MSRP versus $3,658 MSRP, and it still gives you a 14.9% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon Gold 6448H is still stronger for heavier multi-core work with 4% better PassMark. It is also 719.6% better value on MSRP (157.5 vs 19.2 PassMark/$), 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 Threadripper PRO 9955WX makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2023). That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Ryzen Threadripper PRO 9955WX vs Xeon Gold 6448H Technical Specifications

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

AMD

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.

Intel

Xeon Gold 6448H

The Xeon Gold 6448H is manufactured by Intel. It was released in 10 January 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 32 cores and 64 threads. Base frequency is 2.4 GHz, with boost up to 4.1 GHz. L3 cache: 60 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 250 Watt. Memory support: DDR5-4800, DDR5-4400. Passmark benchmark score: 70,292 points. Launch price was $3,658.

Processing Power

The Ryzen Threadripper PRO 9955WX packs 16 cores / 32 threads, while the Xeon Gold 6448H offers 32 cores / 64 threads — the Xeon Gold 6448H has 16 more cores. Boost clocks reach 5.4 GHz on the Ryzen Threadripper PRO 9955WX versus 4.1 GHz on the Xeon Gold 6448H — a 27.4% clock advantage for the Ryzen Threadripper PRO 9955WX (base: 4.5 GHz vs 2.4 GHz). The Ryzen Threadripper PRO 9955WX uses the Shimada Peak (2025) architecture (4 nm), while the Xeon Gold 6448H uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Ryzen Threadripper PRO 9955WX scores 67,561 against the Xeon Gold 6448H's 70,292 — a 4% lead for the Xeon Gold 6448H. L3 cache: 64 MB (total) on the Ryzen Threadripper PRO 9955WX vs 60 MB on the Xeon Gold 6448H.

FeatureRyzen Threadripper PRO 9955WXXeon Gold 6448H
Cores / Threads
16 / 32
32 / 64+100%
Boost Clock
5.4 GHz+32%
4.1 GHz
Base Clock
4.5 GHz+88%
2.4 GHz
L3 Cache
64 MB (total)+7%
60 MB
L2 Cache
1 MB (per core)
2 MB (per core)+100%
Process
4 nm-43%
Intel 7 nm
Architecture
Shimada Peak (2025)
Sapphire Rapids (2023−2024)
PassMark
67,561
70,292+4%
Cinebench R23 Multi
40,000
Geekbench 6 Single
3,016
Geekbench 6 Multi
23,596
🧠

Memory & Platform

The Ryzen Threadripper PRO 9955WX uses the sTR5 socket (PCIe 4.0), while the Xeon Gold 6448H uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Ryzen Threadripper PRO 9955WX versus 4800 on the Xeon Gold 6448H — the Ryzen Threadripper PRO 9955WX supports 33.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6448H supports up to 4096 GB of RAM compared to 2048 GB 100% more capacity for professional workloads. Both feature 8-channel memory with ECC support. PCIe lanes: 128 (Ryzen Threadripper PRO 9955WX) vs 80 (Xeon Gold 6448H) — the Ryzen Threadripper PRO 9955WX offers 48 more lanes for additional GPUs or NVMe drives. Chipset compatibility: WRX90 (Ryzen Threadripper PRO 9955WX) and C741 (Xeon Gold 6448H).

FeatureRyzen Threadripper PRO 9955WXXeon Gold 6448H
Socket
sTR5
LGA4677
PCIe Generation
PCIe 4.0
PCIe 5.0+25%
Max RAM Speed
DDR5-6400+33%
4800
Max RAM Capacity
2048 GB
4096 GB+100%
RAM Channels
8
8
ECC Support
Yes
Yes
PCIe Lanes
128+60%
80
🔧

Advanced Features

Only the Ryzen Threadripper PRO 9955WX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: true (Ryzen Threadripper PRO 9955WX) vs VT-x, VT-d (Xeon Gold 6448H). Direct competitor: Ryzen Threadripper PRO 9955WX rivals Xeon w7-3555; Xeon Gold 6448H rivals EPYC 9454.

FeatureRyzen Threadripper PRO 9955WXXeon Gold 6448H
Integrated GPU
No
No
IGPU Model
None
None
Unlocked
Yes
No
AVX-512
Yes
Yes
Virtualization
true
VT-x, VT-d
💰

Value Analysis

At launch, the Ryzen Threadripper PRO 9955WX was priced at $429, while the Xeon Gold 6448H came in at $3658. On launch pricing ($429 vs $3658), Ryzen Threadripper PRO 9955WX was $3229 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen Threadripper PRO 9955WX delivers 157.5 pts/$ vs 19.2 pts/$ for the Xeon Gold 6448H — making the Ryzen Threadripper PRO 9955WX the 156.5% better value option.

FeatureRyzen Threadripper PRO 9955WXXeon Gold 6448H
MSRP
$429-88%
$3658
Performance per Dollar
157.5+720%
19.2
Release Date
2025
2023

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