Ryzen 5 PRO 8640U
VS
Ryzen 9 5900HX

Ryzen 5 PRO 8640U vs Ryzen 9 5900HX

AMD

Ryzen 5 PRO 8640U

6 Cores12 Thrd28 WWMax: 4.9 GHz2024
VS
AMD

Ryzen 9 5900HX

8 Cores16 Thrd45 WWMax: 4.6 GHz2021

Performance Spectrum - CPU

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.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Ryzen 5 PRO 8640U

#130
EPYC 9115
MSRP: $726|Avg: $726
104%
#131
EPYC 74F3
MSRP: $913|Avg: $824
104%
#141
Ryzen 5 PRO 8640U
MSRP: N/A|Avg: N/A
100%
#143
Xeon W-1350P
MSRP: $311|Avg: $250
99%
#145
Xeon 6511P
MSRP: $815|Avg: $815
98%
#153
EPYC 7303P
MSRP: $594|Avg: $594
96%
#155
Ryzen Threadripper PRO 5955WX
MSRP: $799|Avg: $999
95%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Ryzen 9 5900HX

#49
Core i9-12900HX
MSRP: $606|Avg: N/A
112%
#57
Ryzen AI 9 365
MSRP: $400|Avg: $400
102%
#61
Ryzen 9 5900HX
MSRP: N/A|Avg: N/A
100%
#64
Ryzen AI Max PRO 390
MSRP: $600|Avg: $600
97%
#73
Core i9-13950HX
MSRP: $590|Avg: $199
94%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Ryzen 5 PRO 8640U delivers superior performance across the board. It outperforms the Ryzen 9 5900HX in both compute-intensive tasks (0.8% faster) and gaming workloads.
InsightRyzen 5 PRO 8640URyzen 9 5900HX
Gaming
Superior gaming performance
Lower gaming performance
Workstation
Better multi-core power
Weaker in multi-core tasks
Price
Equivalent pricing
Equivalent pricing
Longevity
✨ Modern (Hawk Point (2024−2025) / 4 nm)
✨ Modern (Cezanne-H (Zen 3) (2021) / 7 nm)

💎 Value Proposition

InsightRyzen 5 PRO 8640URyzen 9 5900HX
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
Equivalent pricing
Equivalent pricing

Performance Check

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Technical Specifications

Side-by-side comparison of Ryzen 5 PRO 8640U and Ryzen 9 5900HX

AMD

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.

AMD

Ryzen 9 5900HX

The Ryzen 9 5900HX is manufactured by AMD. It was released in 12 January 2021 (4 years ago). It is based on the Cezanne-H (Zen 3) (2021) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 4.6 GHz. L3 cache: 16 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: FP6. Thermal design power (TDP): 45 Watt. Memory support: DDR4. Passmark benchmark score: 22,198 points. Launch price was $299.

Processing Power

The Ryzen 5 PRO 8640U packs 6 cores / 12 threads, while the Ryzen 9 5900HX offers 8 cores / 16 threads — the Ryzen 9 5900HX has 2 more cores. Boost clocks reach 4.9 GHz on the Ryzen 5 PRO 8640U versus 4.6 GHz on the Ryzen 9 5900HX — a 6.3% clock advantage for the Ryzen 5 PRO 8640U (base: 3.5 GHz vs 3.3 GHz). The Ryzen 5 PRO 8640U uses the Hawk Point (2024−2025) architecture (4 nm), while the Ryzen 9 5900HX uses Cezanne-H (Zen 3) (2021) (7 nm). In PassMark, the Ryzen 5 PRO 8640U scores 22,373 against the Ryzen 9 5900HX's 22,198 — a 0.8% lead for the Ryzen 5 PRO 8640U. Both processors carry 16 MB (total) of L3 cache.

FeatureRyzen 5 PRO 8640URyzen 9 5900HX
Cores / Threads
6 / 12
8 / 16+33%
Boost Clock
4.9 GHz+7%
4.6 GHz
Base Clock
3.5 GHz+6%
3.3 GHz
L3 Cache
16 MB (total)
16 MB (total)
L2 Cache
1 MB (per core)+100%
512K (per core)
Process
4 nm-43%
7 nm
Architecture
Hawk Point (2024−2025)
Cezanne-H (Zen 3) (2021)
PassMark
22,373
22,198
Cinebench R23 Multi
13,955
Geekbench 6 Single
1,845
Geekbench 6 Multi
7,587
🧠

Memory & Platform

The Ryzen 5 PRO 8640U uses the FP7 socket (PCIe 4.0), while the Ryzen 9 5900HX uses FP6 (PCIe 4.0) — making them incompatible on the same motherboard.

FeatureRyzen 5 PRO 8640URyzen 9 5900HX
Socket
FP7
FP6
PCIe Generation
PCIe 4.0
PCIe 4.0
Max RAM Speed
DDR4-3200, LPDDR4-4266
Max RAM Capacity
64 GB
RAM Channels
2
ECC Support
PCIe Lanes
16
🔧

Advanced Features

Virtualization: not specified (Ryzen 5 PRO 8640U) / AMD-V (Ryzen 9 5900HX). The Ryzen 9 5900HX includes integrated graphics (Radeon RX Vega 8), while the Ryzen 5 PRO 8640U requires a dedicated GPU. Primary use case: Ryzen 9 5900HX targets Gaming Laptop / Mobile Workstation. Direct competitor: Ryzen 9 5900HX rivals Core i9-11980HK.

FeatureRyzen 5 PRO 8640URyzen 9 5900HX
Integrated GPU
Yes
IGPU Model
Radeon RX Vega 8
Unlocked
Yes
AVX-512
No
Virtualization
AMD-V
Target Use
Gaming Laptop / Mobile Workstation