Ryzen 9 6900HX vs Xeon Gold 6140

AMD

Ryzen 9 6900HX

8 Cores16 Thrd45 WWMax: 4.9 GHz2022
Ryzen family
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VS
Intel

Xeon Gold 6140

18 Cores36 Thrd140 WWMax: 3.7 GHz2017
Similar parts
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Ryzen 9 6900HX vs Xeon Gold 6140 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 6900HX vs Xeon Gold 6140 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 6900HX vs Xeon Gold 6140: 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 6900HX

2022

Why buy it

  • Better for gaming: +18.1% higher average FPS across 50 shared CPU benchmark tests.
  • Draws 45W instead of 140W, a 95W reduction.
  • Newer platform on FP7 with DDR5 support instead of LGA3647 and DDR4.

Trade-offs

  • Smaller total L3 cache (16 MB vs 25 MB).
  • Less compelling for workstation-style loads than Xeon Gold 6140, which brings 18 cores / 36 threads and 48 PCIe lanes.
  • No AVX-512 support for niche heavy compute workloads where it can matter.

Xeon Gold 6140

2017

Why buy it

  • +54.7% larger total L3 cache (25 MB vs 16 MB).
  • Better for workstations and heavier parallel workloads: 18 cores / 36 threads, plus 48 PCIe lanes vs 0.
  • 100+% more PCIe lanes (48 vs 0) for storage and expansion-heavy builds.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 9 6900HX across 50 shared CPU benchmark tests.
  • Lower PassMark (24,187 vs 24,248).
  • 211.1% higher power demand at 140W vs 45W.
  • Older platform position on LGA3647 with DDR4, while Ryzen 9 6900HX moves to FP7 and DDR5.

Quick Answers

So, is Ryzen 9 6900HX better than Xeon Gold 6140?
Not really, because they are built for different jobs. Xeon Gold 6140 makes more sense for workstation-style multi-core throughput, while Ryzen 9 6900HX 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 6900HX is the better pick. According to our tests, it delivers 18.1% 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 6900HX is the stronger fit. You are getting 0.3% better PassMark, backed by 8 cores and 16 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 9 6900HX still makes the most sense overall. Ryzen 9 6900HX comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 18.1% average FPS lead across 50 shared CPU game tests in our data.
Which one is more future-proof for 2026 and beyond?
Ryzen 9 6900HX makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2017), a healthier platform with FP7 and DDR5 instead of LGA3647, and more multi-core headroom with 8 cores / 16 threads instead of 18/36. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Ryzen 9 6900HX vs Xeon Gold 6140 Technical Specifications

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

AMD

Ryzen 9 6900HX

The Ryzen 9 6900HX is manufactured by AMD. It was released in Janeiro 2022 (3 years ago). It is based on the Rembrandt-H (Zen 3+) (2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 4.9 GHz. L3 cache: 16 MB (total). L2 cache: 512K (per core). Built on 6 nm process technology. Socket: FP7. Thermal design power (TDP): 45 Watt. Memory support: DDR5. Passmark benchmark score: 24,248 points. Launch price was $299.

Intel

Xeon Gold 6140

The Xeon Gold 6140 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 18 cores and 36 threads. Base frequency is 2.3 GHz, with boost up to 3.7 GHz. L3 cache: 24.75 MB. L2 cache: 18 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 140 Watt. Memory support: DDR4-2666. Passmark benchmark score: 24,187 points. Launch price was $2,445.

Processing Power

The Ryzen 9 6900HX packs 8 cores / 16 threads, while the Xeon Gold 6140 offers 18 cores / 36 threads — the Xeon Gold 6140 has 10 more cores. Boost clocks reach 4.9 GHz on the Ryzen 9 6900HX versus 3.7 GHz on the Xeon Gold 6140 — a 27.9% clock advantage for the Ryzen 9 6900HX (base: 3.3 GHz vs 2.3 GHz). The Ryzen 9 6900HX uses the Rembrandt-H (Zen 3+) (2022) architecture (6 nm), while the Xeon Gold 6140 uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Ryzen 9 6900HX scores 24,248 against the Xeon Gold 6140's 24,187 — a 0.3% lead for the Ryzen 9 6900HX. L3 cache: 16 MB (total) on the Ryzen 9 6900HX vs 24.75 MB on the Xeon Gold 6140.

FeatureRyzen 9 6900HXXeon Gold 6140
Cores / Threads
8 / 16
18 / 36+125%
Boost Clock
4.9 GHz+32%
3.7 GHz
Base Clock
3.3 GHz+43%
2.3 GHz
L3 Cache
16 MB (total)
24.75 MB+55%
L2 Cache
512K (per core)+2744%
18 MB
Process
6 nm-57%
14 nm
Architecture
Rembrandt-H (Zen 3+) (2022)
Skylake (server) (2017−2018)
PassMark
24,248
24,187
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Memory & Platform

The Ryzen 9 6900HX uses the FP7 socket (PCIe 4.0), while the Xeon Gold 6140 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureRyzen 9 6900HXXeon Gold 6140
Socket
FP7
LGA3647
PCIe Generation
PCIe 4.0+33%
PCIe 3.0
Max RAM Speed
2666
Max RAM Capacity
768
RAM Channels
6
ECC Support
Yes
PCIe Lanes
48
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Advanced Features

Virtualization: not specified (Ryzen 9 6900HX) / VT-x, VT-d (Xeon Gold 6140). Direct competitor: Xeon Gold 6140 rivals EPYC 7451.

FeatureRyzen 9 6900HXXeon Gold 6140
Integrated GPU
No
IGPU Model
None
Unlocked
No
AVX-512
Yes
Virtualization
VT-x, VT-d