Ryzen 9 9900X3D vs Xeon W-3365

AMD

Ryzen 9 9900X3D

12 Cores24 Thrd120 WWMax: 5.5 GHz2025
Ryzen family
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VS
Intel

Xeon W-3365

32 Cores64 Thrd270 WWMax: 4 GHz2021
Similar parts
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Ryzen 9 9900X3D vs Xeon W-3365 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 9900X3D vs Xeon W-3365 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 9900X3D vs Xeon W-3365: 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 9900X3D

2025

Why buy it

  • Better for gaming: +15.8% higher average FPS across 50 shared CPU benchmark tests.
  • Costs $2,900 less on MSRP ($599 MSRP vs $3,499 MSRP).
  • Delivers 473.8% more PassMark for each dollar spent, at 94.0 vs 16.4 PassMark/$ ($599 MSRP vs $3,499 MSRP).
  • Draws 120W instead of 270W, a 150W reduction.
  • Newer platform on AM5 with DDR5 support instead of LGA4189 and DDR4.

Trade-offs

  • Less compelling for workstation-style loads than Xeon W-3365, which brings 32 cores / 64 threads and 64 PCIe lanes.

Xeon W-3365

2021

Why buy it

  • Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 64 PCIe lanes vs 24.
  • 166.7% more PCIe lanes (64 vs 24) for storage and expansion-heavy builds.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 9 9900X3D across 50 shared CPU benchmark tests.
  • Lower Geekbench multi-core (16,817 vs 26,000).
  • Lower PassMark per dollar, at 16.4 vs 94.0 PassMark/$ ($3,499 MSRP vs $599 MSRP).
  • 125% higher power demand at 270W vs 120W.
  • Older platform position on LGA4189 with DDR4, while Ryzen 9 9900X3D moves to AM5 and DDR5.

Quick Answers

So, is Ryzen 9 9900X3D better than Xeon W-3365?
Not really, because they are built for different jobs. Xeon W-3365 makes more sense for workstation-style multi-core throughput, while Ryzen 9 9900X3D is the more practical desktop choice for gaming, platform cost, and everyday use.
Which one is better for gaming?
If gaming is the priority, Ryzen 9 9900X3D is the better pick. According to our tests, it delivers 15.8% more average FPS across 50 shared CPU game tests. It also has a clear cache advantage at 128 MB versus 48 MB.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen 9 9900X3D is the stronger fit. You are getting 54.6% better Geekbench multi-core, backed by 12 cores and 24 threads. It also has the larger cache pool with 166.7% larger total L3 cache (128 MB vs 48 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 9 9900X3D is the better buy right now. Ryzen 9 9900X3D comes in $2,900 cheaper on MSRP at $599 MSRP versus $3,499 MSRP, and it still gives you a 15.8% average FPS lead across 50 shared CPU game tests in our data. It is also 473.8% better value on MSRP (94.0 vs 16.4 PassMark/$), 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 9900X3D makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2021), a healthier platform with AM5 and DDR5 instead of LGA4189, 3D V-Cache and a much larger 128 MB L3 cache instead of 48 MB, and more multi-core headroom with 12 cores / 24 threads instead of 32/64. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Ryzen 9 9900X3D vs Xeon W-3365 Technical Specifications

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

AMD

Ryzen 9 9900X3D

The Ryzen 9 9900X3D is manufactured by AMD. It was released in 6 January 2025 (less than a year ago). It is based on the Granite Ridge (2024−2025) architecture. It features 12 cores and 24 threads. Base frequency is 4.4 GHz, with boost up to 5.5 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5. Passmark benchmark score: 56,301 points. Launch price was $599.

Intel

Xeon W-3365

The Xeon W-3365 is manufactured by Intel. It was released in 2021-07-29. It is based on the Ice Lake-W (2021) architecture. It features 32 cores and 64 threads. Base frequency is 2.7 GHz, with boost up to 4 GHz. L3 cache: 48 MB (total). L2 cache: 1 MB (per core). Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 270 Watt. Memory support: DDR4-3200. Passmark benchmark score: 57,312 points. Launch price was $3,499.

Processing Power

The Ryzen 9 9900X3D packs 12 cores / 24 threads, while the Xeon W-3365 offers 32 cores / 64 threads — the Xeon W-3365 has 20 more cores. Boost clocks reach 5.5 GHz on the Ryzen 9 9900X3D versus 4 GHz on the Xeon W-3365 — a 31.6% clock advantage for the Ryzen 9 9900X3D (base: 4.4 GHz vs 2.7 GHz). The Ryzen 9 9900X3D uses the Granite Ridge (2024−2025) architecture (4 nm), while the Xeon W-3365 uses Ice Lake-W (2021) (10 nm). In PassMark, the Ryzen 9 9900X3D scores 56,301 against the Xeon W-3365's 57,312 — a 1.8% lead for the Xeon W-3365. Geekbench 6 single-core — the metric most relevant to gaming — records 3,400 vs 1,960, a 53.7% lead for the Ryzen 9 9900X3D that directly translates to higher frame rates. Multi-core Geekbench: 26,000 vs 16,817 (42.9% advantage for the Ryzen 9 9900X3D). L3 cache: 128 MB (total) on the Ryzen 9 9900X3D vs 48 MB (total) on the Xeon W-3365.

FeatureRyzen 9 9900X3DXeon W-3365
Cores / Threads
12 / 24
32 / 64+167%
Boost Clock
5.5 GHz+38%
4 GHz
Base Clock
4.4 GHz+63%
2.7 GHz
L3 Cache
128 MB (total)+167%
48 MB (total)
L2 Cache
1 MB (per core)
1 MB (per core)
Process
4 nm-60%
10 nm
Architecture
Granite Ridge (2024−2025)
Ice Lake-W (2021)
PassMark
56,301
57,312+2%
Geekbench 6 Single
3,400+73%
1,960
Geekbench 6 Multi
26,000+55%
16,817
🧠

Memory & Platform

The Ryzen 9 9900X3D uses the AM5 socket (PCIe 5.0), while the Xeon W-3365 uses LGA4189 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600 on the Ryzen 9 9900X3D versus DDR4-3200 on the Xeon W-3365 — the Ryzen 9 9900X3D supports 75% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon W-3365 supports up to 4096 GB of RAM compared to 192 GB 2033.3% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 9900X3D) vs 8 (Xeon W-3365). PCIe lanes: 24 (Ryzen 9 9900X3D) vs 64 (Xeon W-3365) — the Xeon W-3365 offers 40 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X670,X670E,X870,X870E (Ryzen 9 9900X3D) and Intel C621A (Xeon W-3365).

FeatureRyzen 9 9900X3DXeon W-3365
Socket
AM5
LGA4189
PCIe Generation
PCIe 5.0
PCIe 5.0
Max RAM Speed
DDR5-5600+75%
DDR4-3200
Max RAM Capacity
192 GB
4096 GB+2033%
RAM Channels
2
8+300%
ECC Support
Yes
Yes
PCIe Lanes
24
64+167%
🔧

Advanced Features

Only the Ryzen 9 9900X3D 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: AMD-V (Ryzen 9 9900X3D) vs true (Xeon W-3365). The Ryzen 9 9900X3D includes integrated graphics (AMD Radeon Graphics (2 Cores)), while the Xeon W-3365 requires a dedicated GPU. Primary use case: Ryzen 9 9900X3D targets High End Gaming/Creation. Direct competitor: Ryzen 9 9900X3D rivals Core Ultra 9 285K; Xeon W-3365 rivals EPYC 7543.

FeatureRyzen 9 9900X3DXeon W-3365
Integrated GPU
Yes
No
IGPU Model
AMD Radeon Graphics (2 Cores)
None
Unlocked
Yes
No
AVX-512
Yes
Yes
Virtualization
AMD-V
true
Target Use
High End Gaming/Creation
💰

Value Analysis

At launch, the Ryzen 9 9900X3D was priced at $599, while the Xeon W-3365 came in at $3499. On launch pricing ($599 vs $3499), Ryzen 9 9900X3D was $2900 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen 9 9900X3D delivers 94.0 pts/$ vs 16.4 pts/$ for the Xeon W-3365 — making the Ryzen 9 9900X3D the 140.6% better value option.

FeatureRyzen 9 9900X3DXeon W-3365
MSRP
$599-83%
$3499
Performance per Dollar
94.0+473%
16.4
Release Date
2025
2021

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