Ryzen 5 PRO 8640U vs Xeon W-2255

Ryzen 5 PRO 8640U vs Xeon W-2255 Performance Spectrum

Ryzen 5 PRO 8640U

6 / 12

22,373

0.0%

Ryzen Threadripper PRO 3955WX

Ryzen 9 9900X3D

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

Xeon W-2255

10 / 20

22,504

+0.6%

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 5 PRO 8640U vs Xeon W-2255 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 5 PRO 8640U vs Xeon W-2255: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Ryzen 5 PRO 8640U

2024

Why buy it

✅Draws 28W instead of 165W, a 137W reduction.
✅Newer platform on FP7 with DDR5 support instead of LGA2066 and DDR4.

Trade-offs

❌Lower PassMark (22,373 vs 22,504).
❌Smaller total L3 cache (16 MB vs 19 MB).
❌Less compelling for workstation-style loads than Xeon W-2255, which brings 10 cores / 20 threads.

Xeon W-2255

2019

Why buy it

✅+0.6% higher PassMark.
✅+20.3% larger total L3 cache (19 MB vs 16 MB).
✅Better for workstations and heavier parallel workloads: 10 cores / 20 threads.

Trade-offs

❌Launch MSRP is still $778 MSRP, while Ryzen 5 PRO 8640U mostly shows up through inconsistent older-market listings.
❌489.3% higher power demand at 165W vs 28W.
❌Older platform position on LGA2066 with DDR4, while Ryzen 5 PRO 8640U moves to FP7 and DDR5.

Quick Answers

So, is Ryzen 5 PRO 8640U better than Xeon W-2255?

Not really, because they are built for different jobs. Xeon W-2255 makes more sense for workstation-style multi-core throughput, while Ryzen 5 PRO 8640U 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 W-2255 is the stronger fit. You are getting 0.6% better PassMark, backed by 10 cores and 20 threads. It also has the larger cache pool with 20.3% larger total L3 cache (19 MB vs 16 MB).

Which one is the smarter buy today, not just the cheaper CPU?

Ryzen 5 PRO 8640U is still the faster CPU overall, but Xeon W-2255 is easier to justify if budget matters more than peak performance. Ryzen 5 PRO 8640U comes in at an unclear MSRP at unclear MSRP versus $778 MSRP, and it still gives you a 1.8% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon W-2255 is still stronger for heavier multi-core work with 0.6% better PassMark. Xeon W-2255 is also 100.0% better value on MSRP (28.9 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

Which one is more future-proof for 2026 and beyond?

Ryzen 5 PRO 8640U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2019) and a healthier platform with FP7 and DDR5 instead of LGA2066. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Ryzen 5 PRO 8640U vs Xeon W-2255 Technical Specifications

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

Ryzen 5 PRO 8640U

The Ryzen 5 PRO 8640U is manufactured by AMD. It was released in 16 April 2024 (1 year ago). It is based on the Hawk Point (2024−2025) architecture. It features 6 cores and 12 threads. Base frequency is 3.5 GHz, with boost up to 4.9 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP7. Thermal design power (TDP): 28 Watt. Memory support: DDR5. Passmark benchmark score: 22,373 points. Launch price was $299.

Xeon W-2255

The Xeon W-2255 is manufactured by Intel. It was released in 2015-01-01. It features 10 cores and 20 threads. Base frequency is 3.7 GHz, with boost up to 4.7 GHz. L3 cache: 19.25 MB. Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 165 Watt. Memory support: DDR4-2933. Passmark benchmark score: 22,504 points. Launch price was $800.

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Processing Power

The Ryzen 5 PRO 8640U packs 6 cores / 12 threads, while the Xeon W-2255 offers 10 cores / 20 threads — the Xeon W-2255 has 4 more cores. Boost clocks reach 4.9 GHz on the Ryzen 5 PRO 8640U versus 4.7 GHz on the Xeon W-2255 — a 4.2% clock advantage for the Ryzen 5 PRO 8640U (base: 3.5 GHz vs 3.7 GHz). The Ryzen 5 PRO 8640U is built on the Hawk Point (2024−2025) architecture. In PassMark, the Ryzen 5 PRO 8640U scores 22,373 against the Xeon W-2255's 22,504 — a 0.6% lead for the Xeon W-2255. L3 cache: 16 MB (total) on the Ryzen 5 PRO 8640U vs 19.25 MB on the Xeon W-2255.

Feature	Ryzen 5 PRO 8640U	Xeon W-2255
Cores / Threads	6 / 12	10 / 20+67%
Boost Clock	4.9 GHz+4%	4.7 GHz
Base Clock	3.5 GHz	3.7 GHz+6%
L3 Cache	16 MB (total)	19.25 MB+20%
L2 Cache	1 MB (per core)	—
Process	4 nm-71%	14 nm
Architecture	Hawk Point (2024−2025)	—
PassMark	22,373	22,504

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Memory & Platform

The Ryzen 5 PRO 8640U uses the FP7 socket (PCIe 4.0), while the Xeon W-2255 uses LGA2066 (PCIe 3.0) — making them incompatible on the same motherboard.