Ryzen 5 PRO 8645HS vs Ryzen 7 7840S

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 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 Per Dollar Ryzen 7 7840S

#2

Ryzen 7 7840S

MSRP: N/A|Avg: N/A

100%

#10

Ryzen 7 260

MSRP: $199|Avg: $70

61%

#13

Ryzen 3 210

MSRP: $99|Avg: $99

57%

#14

Ryzen 5 PRO 230

MSRP: $150|Avg: $150

56%

#15

Ryzen 5 220

MSRP: $150|Avg: $150

54%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Ryzen 7 7840S delivers superior performance across the board. It outperforms the Ryzen 5 PRO 8645HS in both compute-intensive tasks (0.3% faster) and gaming workloads.

Insight	Ryzen 5 PRO 8645HS	Ryzen 7 7840S
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	Equivalent pricing	Equivalent pricing
Longevity	✨ Modern (Hawk Point (2024−2025) / 4 nm)	✨ Modern (Phoenix-HS (Zen 4) (2023) / 4 nm)

💎 Value Proposition

Insight	Ryzen 5 PRO 8645HS	Ryzen 7 7840S
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 5 PRO 8645HS Benchmark Check

Ryzen 7 7840S Benchmark Check

Technical Specifications

Side-by-side comparison of Ryzen 5 PRO 8645HS and Ryzen 7 7840S

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.

Ryzen 7 7840S

The Ryzen 7 7840S is manufactured by AMD. It was released in 5 January 2023 (2 years ago). It is based on the Phoenix-HS (Zen 4) (2023) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB. L2 cache: 8 MB. Built on 4 nm process technology. Socket: FP7/FP7r2/FP8. Thermal design power (TDP): 8 MB + 16 MB. Memory support: DDR5. Passmark benchmark score: 23,290 points. Launch price was $299.

⚡

Processing Power

The Ryzen 5 PRO 8645HS packs 6 cores / 12 threads, while the Ryzen 7 7840S offers 8 cores / 16 threads — the Ryzen 7 7840S has 2 more cores. Boost clocks reach 5 GHz on the Ryzen 5 PRO 8645HS versus 5.1 GHz on the Ryzen 7 7840S — a 2% clock advantage for the Ryzen 7 7840S (base: 4.3 GHz vs 3.8 GHz). The Ryzen 5 PRO 8645HS uses the Hawk Point (2024−2025) architecture (4 nm), while the Ryzen 7 7840S uses Phoenix-HS (Zen 4) (2023) (4 nm). In PassMark, the Ryzen 5 PRO 8645HS scores 23,227 against the Ryzen 7 7840S's 23,290 — a 0.3% lead for the Ryzen 7 7840S. L3 cache: 16 MB (total) on the Ryzen 5 PRO 8645HS vs 16 MB on the Ryzen 7 7840S.

Feature	Ryzen 5 PRO 8645HS	Ryzen 7 7840S
Cores / Threads	6 / 12	8 / 16+33%
Boost Clock	5 GHz	5.1 GHz+2%
Base Clock	4.3 GHz+13%	3.8 GHz
L3 Cache	16 MB (total)	16 MB
L2 Cache	1 MB (per core)	8 MB+700%
Process	4 nm	4 nm
Architecture	Hawk Point (2024−2025)	Phoenix-HS (Zen 4) (2023)
PassMark	23,227	23,290
Cinebench R23 Multi	—	13,500
Geekbench 6 Single	—	2,570
Geekbench 6 Multi	—	13,535

🧠

Memory & Platform

The Ryzen 5 PRO 8645HS uses the FP7 socket (PCIe 4.0), while the Ryzen 7 7840S uses FP7/FP7r2/FP8 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Ryzen 5 PRO 8645HS	Ryzen 7 7840S
Socket	FP7	FP7/FP7r2/FP8
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	—	DDR5-5600, LPDDR5x-7500
Max RAM Capacity	—	256 GB
RAM Channels	—	2
ECC Support	—	✅
PCIe Lanes	—	20

🔧

Advanced Features

Virtualization: not specified (Ryzen 5 PRO 8645HS) / AMD-V (SVM) (Ryzen 7 7840S). The Ryzen 7 7840S includes integrated graphics (Radeon 780M), while the Ryzen 5 PRO 8645HS requires a dedicated GPU. Primary use case: Ryzen 7 7840S targets Gaming. Direct competitor: Ryzen 7 7840S rivals Core i7-1360P.