Ryzen 9 3900XT vs Xeon Platinum 8153

AMD

Ryzen 9 3900XT

12 Cores24 Thrd105 WWMax: 4.7 GHz2020
Ryzen family
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VS
Intel

Xeon Platinum 8153

16 Cores32 Thrd125 WWMax: 2.8 GHz2017
Similar parts
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Ryzen 9 3900XT vs Xeon Platinum 8153 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 3900XT vs Xeon Platinum 8153 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 3900XT vs Xeon Platinum 8153: 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 3900XT

2020

Why buy it

  • Better for gaming: +44.8% higher average FPS across 50 shared CPU benchmark tests.
  • +190.9% larger total L3 cache (64 MB vs 22 MB).
  • Draws 105W instead of 125W, a 20W reduction.

Trade-offs

  • Less compelling for workstation-style loads than Xeon Platinum 8153, which brings 16 cores / 32 threads and 48 PCIe lanes.
  • Launch MSRP is still $499 MSRP, while Xeon Platinum 8153 mostly shows up through inconsistent older-market listings.
  • No AVX-512 support for niche heavy compute workloads where it can matter.

Xeon Platinum 8153

2017

Why buy it

  • Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 48 PCIe lanes vs 24.
  • 100% more PCIe lanes (48 vs 24) for storage and expansion-heavy builds.
  • AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 9 3900XT across 50 shared CPU benchmark tests.
  • Lower PassMark (32,180 vs 32,512).
  • Smaller total L3 cache (22 MB vs 64 MB).
  • 19% higher power demand at 125W vs 105W.

Quick Answers

So, is Ryzen 9 3900XT better than Xeon Platinum 8153?
Not really, because they are built for different jobs. Xeon Platinum 8153 makes more sense for workstation-style multi-core throughput, while Ryzen 9 3900XT 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 3900XT is the better pick. According to our tests, it delivers 44.8% more average FPS across 50 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen 9 3900XT is the stronger fit. You are getting 1% better PassMark, backed by 12 cores and 24 threads. It also has the larger cache pool with 190.9% larger total L3 cache (64 MB vs 22 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 9 3900XT is the better buy right now. Ryzen 9 3900XT comes in at an unclear MSRP at $499 MSRP versus unclear MSRP, and it still gives you a 44.8% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (65.2 vs 0.0 PassMark/$), 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 3900XT makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2017), 190.9% larger total L3 cache (64 MB vs 22 MB), and more multi-core headroom with 12 cores / 24 threads instead of 16/32. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Ryzen 9 3900XT vs Xeon Platinum 8153 Technical Specifications

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

AMD

Ryzen 9 3900XT

The Ryzen 9 3900XT is manufactured by AMD. It was released in 7 July 2020 (5 years ago). It is based on the Matisse 2 (2020) architecture. It features 12 cores and 24 threads. Base frequency is 3.8 GHz, with boost up to 4.7 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: 32,512 points. Launch price was $499.

Intel

Xeon Platinum 8153

The Xeon Platinum 8153 is manufactured by Intel. It was released in 25 April 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 16 cores and 32 threads. Base frequency is 2 GHz, with boost up to 2.8 GHz. L3 cache: 22 MB. L2 cache: 16 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 125 Watt. Memory support: DDR4-2666. Passmark benchmark score: 32,180 points. Launch price was $3,115.

Processing Power

The Ryzen 9 3900XT packs 12 cores / 24 threads, while the Xeon Platinum 8153 offers 16 cores / 32 threads — the Xeon Platinum 8153 has 4 more cores. Boost clocks reach 4.7 GHz on the Ryzen 9 3900XT versus 2.8 GHz on the Xeon Platinum 8153 — a 50.7% clock advantage for the Ryzen 9 3900XT (base: 3.8 GHz vs 2 GHz). The Ryzen 9 3900XT uses the Matisse 2 (2020) architecture (7 nm, 12 nm), while the Xeon Platinum 8153 uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Ryzen 9 3900XT scores 32,512 against the Xeon Platinum 8153's 32,180 — a 1% lead for the Ryzen 9 3900XT. L3 cache: 64 MB on the Ryzen 9 3900XT vs 22 MB on the Xeon Platinum 8153.

FeatureRyzen 9 3900XTXeon Platinum 8153
Cores / Threads
12 / 24
16 / 32+33%
Boost Clock
4.7 GHz+68%
2.8 GHz
Base Clock
3.8 GHz+90%
2 GHz
L3 Cache
64 MB+191%
22 MB
L2 Cache
512K (per core)+3100%
16 MB
Process
7 nm, 12 nm-50%
14 nm
Architecture
Matisse 2 (2020)
Skylake (server) (2017−2018)
PassMark
32,512+1%
32,180
Cinebench R23 Multi
18,400
Geekbench 6 Single
1,750
Geekbench 6 Multi
10,500
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Memory & Platform

The Ryzen 9 3900XT uses the AM4 socket (PCIe 4.0), while the Xeon Platinum 8153 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 9 3900XT versus 2666 on the Xeon Platinum 8153 — the Ryzen 9 3900XT supports 20% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Platinum 8153 supports up to 768 GB of RAM compared to 128 GB 500% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 3900XT) vs 6 (Xeon Platinum 8153). PCIe lanes: 24 (Ryzen 9 3900XT) vs 48 (Xeon Platinum 8153) — the Xeon Platinum 8153 offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X570,B550,X470,B450 (Ryzen 9 3900XT) and C621 (Xeon Platinum 8153).

FeatureRyzen 9 3900XTXeon Platinum 8153
Socket
AM4
LGA3647
PCIe Generation
PCIe 4.0+33%
PCIe 3.0
Max RAM Speed
DDR4-3200+20%
2666
Max RAM Capacity
128 GB
768 GB+500%
RAM Channels
2
6+200%
ECC Support
No
Yes
PCIe Lanes
24
48+100%
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Advanced Features

Only the Ryzen 9 3900XT has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon Platinum 8153 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (Ryzen 9 3900XT) vs VT-x, VT-d (Xeon Platinum 8153). Primary use case: Ryzen 9 3900XT targets Workstation / Enthusiast Gaming. Direct competitor: Ryzen 9 3900XT rivals Core i9-10900K.

FeatureRyzen 9 3900XTXeon Platinum 8153
Integrated GPU
No
No
IGPU Model
None
Unlocked
Yes
No
AVX-512
No
Yes
Virtualization
AMD-V
VT-x, VT-d
Target Use
Workstation / Enthusiast Gaming