Ryzen 9 5900HX vs Ryzen 5 PRO 8640U

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 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 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 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.

Insight	Ryzen 9 5900HX	Ryzen 5 PRO 8640U
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	Equivalent pricing	Equivalent pricing
Longevity	✨ Modern (Cezanne-H (Zen 3) (2021) / 7 nm)	✨ Modern (Hawk Point (2024−2025) / 4 nm)

💎 Value Proposition

Insight	Ryzen 9 5900HX	Ryzen 5 PRO 8640U
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.

Ryzen 9 5900HX Benchmark Check

Ryzen 5 PRO 8640U Benchmark Check

Technical Specifications

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

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.

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.

⚡

Processing Power

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

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

🧠

Memory & Platform

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

Feature	Ryzen 9 5900HX	Ryzen 5 PRO 8640U
Socket	FP6	FP7
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: AMD-V (Ryzen 9 5900HX) / not specified (Ryzen 5 PRO 8640U). 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.