Ryzen 9 6900HS vs Ryzen 5 PRO 8645HS

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 6900HS

#73

Core i9-13950HX

MSRP: $590|Avg: $199

106%

#82

Core i7-11700B

MSRP: $323|Avg: $311

101%

#83

Core i7-13700HX

MSRP: $485|Avg: N/A

101%

#84

Ryzen 9 6900HS

MSRP: N/A|Avg: N/A

100%

#86

Ryzen AI 9 HX PRO 370

MSRP: $500|Avg: $500

100%

#96

Ryzen AI Max PRO 380

MSRP: $400|Avg: $400

93%

#97

Core Ultra 5 226V

MSRP: $300|Avg: $300

93%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Ryzen 5 PRO 8645HS

#169

Xeon E-2356G

MSRP: $311|Avg: $544

102%

#171

Xeon W-2140B

MSRP: $294|Avg: $99

101%

#176

Xeon 6325P

MSRP: $281|Avg: $281

100%

#177

Ryzen 5 PRO 8645HS

MSRP: N/A|Avg: N/A

100%

#178

Xeon Silver 4510

MSRP: $563|Avg: $563

100%

#179

Xeon W-3223

MSRP: $294|Avg: $294

99%

#182

EPYC Embedded 8224P

MSRP: $855|Avg: $1048

98%

#187

Xeon Gold 5520+

MSRP: $1083|Avg: $764

97%

#188

EPYC 8124P

MSRP: $639|Avg: $639

97%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Ryzen 5 PRO 8645HS delivers superior performance across the board. It outperforms the Ryzen 9 6900HS in both compute-intensive tasks (0.8% faster) and gaming workloads.

Insight	Ryzen 9 6900HS	Ryzen 5 PRO 8645HS
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	Equivalent pricing	Equivalent pricing
Longevity	✨ Modern (Rembrandt-H (Zen 3+) (2022) / 6 nm)	✨ Modern (Hawk Point (2024−2025) / 4 nm)

💎 Value Proposition

Insight	Ryzen 9 6900HS	Ryzen 5 PRO 8645HS
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 6900HS Benchmark Check

Ryzen 5 PRO 8645HS Benchmark Check

Technical Specifications

Side-by-side comparison of Ryzen 9 6900HS and Ryzen 5 PRO 8645HS

Ryzen 9 6900HS

The Ryzen 9 6900HS 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): 35 Watt. Memory support: DDR5. Passmark benchmark score: 23,040 points. Launch price was $299.

Ryzen 5 PRO 8645HS

The Ryzen 5 PRO 8645HS 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 4.3 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP7. Thermal design power (TDP): 45 Watt. Memory support: DDR5. Passmark benchmark score: 23,227 points. Launch price was $299.

⚡

Processing Power

The Ryzen 9 6900HS packs 8 cores / 16 threads, while the Ryzen 5 PRO 8645HS offers 6 cores / 12 threads — the Ryzen 9 6900HS has 2 more cores. Boost clocks reach 4.9 GHz on the Ryzen 9 6900HS versus 5 GHz on the Ryzen 5 PRO 8645HS — a 2% clock advantage for the Ryzen 5 PRO 8645HS (base: 3.3 GHz vs 4.3 GHz). The Ryzen 9 6900HS uses the Rembrandt-H (Zen 3+) (2022) architecture (6 nm), while the Ryzen 5 PRO 8645HS uses Hawk Point (2024−2025) (4 nm). In PassMark, the Ryzen 9 6900HS scores 23,040 against the Ryzen 5 PRO 8645HS's 23,227 — a 0.8% lead for the Ryzen 5 PRO 8645HS. Both processors carry 16 MB (total) of L3 cache.

Feature	Ryzen 9 6900HS	Ryzen 5 PRO 8645HS
Cores / Threads	8 / 16+33%	6 / 12
Boost Clock	4.9 GHz	5 GHz+2%
Base Clock	3.3 GHz	4.3 GHz+30%
L3 Cache	16 MB (total)	16 MB (total)
L2 Cache	512K (per core)	1 MB (per core)+100%
Process	6 nm	4 nm-33%
Architecture	Rembrandt-H (Zen 3+) (2022)	Hawk Point (2024−2025)
PassMark	23,040	23,227
Cinebench R23 Multi	13,445	—
Geekbench 6 Single	1,854	—
Geekbench 6 Multi	8,732	—

🧠

Memory & Platform

Both processors use the FP7 socket with PCIe 4.0.

Feature	Ryzen 9 6900HS	Ryzen 5 PRO 8645HS
Socket	FP7	FP7
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	DDR5-4800	—
Max RAM Capacity	64 GB	—
RAM Channels	2	—
ECC Support	❌	—
PCIe Lanes	20	—

🔧

Advanced Features

Virtualization: AMD-V (Ryzen 9 6900HS) / not specified (Ryzen 5 PRO 8645HS). The Ryzen 9 6900HS includes integrated graphics (Radeon 680M), while the Ryzen 5 PRO 8645HS requires a dedicated GPU.