Ryzen 9 5900X vs Xeon w9-3575X

AMD

Ryzen 9 5900X

12 Cores24 Thrd105 WWMax: 4.8 GHz2020
Ryzen family
·······
VS
Intel

Xeon w9-3575X

44 Cores88 Thrd340 WWMax: 4.8 GHz2024
Similar parts

Ryzen 9 5900X vs Xeon w9-3575X 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 5900X vs Xeon w9-3575X 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 5900X vs Xeon w9-3575X: 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 5900X

2020

Why buy it

  • Better for gaming: +7.8% higher average FPS across 50 shared CPU benchmark tests.
  • Costs $3,240 less on MSRP ($549 MSRP vs $3,789 MSRP).
  • Delivers 225.9% more PassMark for each dollar spent, at 71.0 vs 21.8 PassMark/$ ($549 MSRP vs $3,789 MSRP).
  • Draws 105W instead of 340W, a 235W reduction.

Trade-offs

  • Lower Cinebench R23 multi-core (21,000 vs 60,000).
  • Smaller total L3 cache (64 MB vs 98 MB).
  • Less compelling for workstation-style loads than Xeon w9-3575X, which brings 44 cores / 88 threads and 112 PCIe lanes.
  • Older platform position on AM4 with DDR4, while Xeon w9-3575X moves to LGA4677 and DDR5.

Xeon w9-3575X

2024

Why buy it

  • +185.7% higher Cinebench R23 multi-core.
  • +52.3% larger total L3 cache (98 MB vs 64 MB).
  • Better for workstations and heavier parallel workloads: 44 cores / 88 threads, plus 112 PCIe lanes vs 24.
  • Newer platform on LGA4677 with DDR5 support instead of AM4 and DDR4.
  • 366.7% more PCIe lanes (112 vs 24) for storage and expansion-heavy builds.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
  • Lower PassMark per dollar, at 21.8 vs 71.0 PassMark/$ ($3,789 MSRP vs $549 MSRP).
  • 223.8% higher power demand at 340W vs 105W.

Quick Answers

So, is Ryzen 9 5900X better than Xeon w9-3575X?
Not really, because they are built for different jobs. Xeon w9-3575X makes more sense for workstation-style multi-core throughput, while Ryzen 9 5900X 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, Xeon w9-3575X is the stronger fit. You are getting 185.7% better Cinebench R23 multi-core, backed by 44 cores and 88 threads. It also has the larger cache pool with 52.3% larger total L3 cache (98 MB vs 64 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 9 5900X is the better buy right now. Ryzen 9 5900X comes in $3,240 cheaper on MSRP at $549 MSRP versus $3,789 MSRP, and it still gives you a 7.8% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon w9-3575X is still stronger for heavier multi-core work with 185.7% better Cinebench R23 multi-core. It is also 225.9% better value on MSRP (71.0 vs 21.8 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Xeon w9-3575X makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2020), a healthier platform with LGA4677 and DDR5 instead of AM4, 52.3% larger total L3 cache (98 MB vs 64 MB), more multi-core headroom with 44 cores / 88 threads instead of 12/24, 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 5900X vs Xeon w9-3575X Technical Specifications

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

AMD

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.

Intel

Xeon w9-3575X

The Xeon w9-3575X is manufactured by Intel. It was released in 24 August 2024 (1 year ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 44 cores and 88 threads. Base frequency is 2.2 GHz, with boost up to 4.8 GHz. L3 cache: 97.5 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 340 Watt. Memory support: DDR5-4800. Passmark benchmark score: 82,507 points. Launch price was $3,789.

Processing Power

The Ryzen 9 5900X packs 12 cores / 24 threads, while the Xeon w9-3575X offers 44 cores / 88 threads — the Xeon w9-3575X has 32 more cores. Boost clocks reach 4.8 GHz on the Ryzen 9 5900X versus 4.8 GHz on the Xeon w9-3575X — identical boost frequencies (base: 3.7 GHz vs 2.2 GHz). The Ryzen 9 5900X uses the Vermeer (Zen3) (2020−2022) architecture (7 nm, 12 nm), while the Xeon w9-3575X uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Ryzen 9 5900X scores 38,955 against the Xeon w9-3575X's 82,507 — a 71.7% lead for the Xeon w9-3575X. Cinebench R23 multi-core: 21,000 vs 60,000 (96.3% advantage for the Xeon w9-3575X). Geekbench 6 single-core — the metric most relevant to gaming — records 2,174 vs 2,300, a 5.6% lead for the Xeon w9-3575X that directly translates to higher frame rates. Multi-core Geekbench: 11,888 vs 19,320 (47.6% advantage for the Xeon w9-3575X). L3 cache: 64 MB on the Ryzen 9 5900X vs 97.5 MB on the Xeon w9-3575X.

FeatureRyzen 9 5900XXeon w9-3575X
Cores / Threads
12 / 24
44 / 88+267%
Boost Clock
4.8 GHz
4.8 GHz
Base Clock
3.7 GHz+68%
2.2 GHz
L3 Cache
64 MB
97.5 MB+52%
L2 Cache
512K (per core)+25500%
2 MB (per core)
Process
7 nm, 12 nm
Intel 7 nm
Architecture
Vermeer (Zen3) (2020−2022)
Sapphire Rapids (2023−2024)
PassMark
38,955
82,507+112%
Cinebench R23 Multi
21,000
60,000+186%
Geekbench 6 Single
2,174
2,300+6%
Geekbench 6 Multi
11,888
19,320+63%
🧠

Memory & Platform

The Ryzen 9 5900X uses the AM4 socket (PCIe 4.0), while the Xeon w9-3575X uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 9 5900X versus DDR5-4800 on the Xeon w9-3575X — the Xeon w9-3575X supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon w9-3575X supports up to 4096 GB of RAM compared to 128 GB 3100% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 5900X) vs 8 (Xeon w9-3575X). PCIe lanes: 24 (Ryzen 9 5900X) vs 112 (Xeon w9-3575X) — the Xeon w9-3575X offers 88 more lanes for additional GPUs or NVMe drives. Chipset compatibility: A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X) and W790 (Xeon w9-3575X).

FeatureRyzen 9 5900XXeon w9-3575X
Socket
AM4
LGA4677
PCIe Generation
PCIe 4.0
PCIe 5.0+25%
Max RAM Speed
DDR4-3200
DDR5-4800+50%
Max RAM Capacity
128 GB
4096 GB+3100%
RAM Channels
2
8+300%
ECC Support
Yes
Yes
PCIe Lanes
24
112+367%
🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Xeon w9-3575X supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (Ryzen 9 5900X) vs true (Xeon w9-3575X). Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K; Xeon w9-3575X rivals Ryzen Threadripper 7970X.

FeatureRyzen 9 5900XXeon w9-3575X
Integrated GPU
No
No
IGPU Model
None
Unlocked
Yes
Yes
AVX-512
No
Yes
Virtualization
AMD-V
true
Target Use
Workstation
💰

Value Analysis

At launch, the Ryzen 9 5900X was priced at $549, while the Xeon w9-3575X came in at $3789. On launch pricing ($549 vs $3789), Ryzen 9 5900X was $3240 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 5900X delivers 71.0 pts/$ vs 21.8 pts/$ for the Xeon w9-3575X — making the Ryzen 9 5900X the 106.1% better value option.

FeatureRyzen 9 5900XXeon w9-3575X
MSRP
$549-86%
$3789
Performance per Dollar
71.0+226%
21.8
Release Date
2020
2024

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.