Ryzen 5 PRO 8645HS vs EPYC 7351

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 EPYC 7351

#1

Xeon Platinum 8454H

MSRP: $6540|Avg: N/A

537%

#1

Core i9-9990XE

MSRP: $2000|Avg: N/A

4%

#2

Xeon W-11855M

MSRP: $450|Avg: $200

10%

#3

Xeon W-11955M

MSRP: $623|Avg: $450

9%

#4

Xeon W-11865MLE

MSRP: $467|Avg: $350

9%

#5

Xeon W-11865MRE

MSRP: $600|Avg: $600

8%

#6

Xeon Gold 6240R

MSRP: $2444|Avg: N/A

101%

#8

EPYC 7351

MSRP: N/A|Avg: N/A

100%

#10

Xeon 6337P

MSRP: $60|Avg: $5

90%

#15

EPYC 9174F

MSRP: $194|Avg: $30

70%

#16

EPYC 7302

MSRP: $978|Avg: $109

69%

#21

Xeon Platinum 8260M

MSRP: $7705|Avg: N/A

63%

#22

Xeon Platinum 8268

MSRP: $6302|Avg: N/A

63%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Generational Difference: This comparison involves processors from different technological eras. The Ryzen 5 PRO 8645HS (2024) utilizes 4 nm technology and DDR5, providing a fundamental performance advantage.

Insight	Ryzen 5 PRO 8645HS	EPYC 7351
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 (Naples (2017−2018) / 14 nm)

💎 Value Proposition

The EPYC 7351 (2017) relies on 14 nm technology and **DDR4 Eight-channel**, placing it in a different performance category relative to modern standards.

Insight	Ryzen 5 PRO 8645HS	EPYC 7351
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

EPYC 7351 Benchmark Check

Technical Specifications

Side-by-side comparison of Ryzen 5 PRO 8645HS and EPYC 7351

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.

EPYC 7351

The EPYC 7351 is manufactured by AMD. It was released in 29 June 2017 (8 years ago). It is based on the Naples (2017−2018) architecture. It features 16 cores and 32 threads. Base frequency is 2.4 GHz, with boost up to 2.9 GHz. L3 cache: 64 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: TR4. Thermal design power (TDP): 170 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 23,226 points. Launch price was $1,100.

⚡

Processing Power

The Ryzen 5 PRO 8645HS packs 6 cores / 12 threads, while the EPYC 7351 offers 16 cores / 32 threads — the EPYC 7351 has 10 more cores. Boost clocks reach 5 GHz on the Ryzen 5 PRO 8645HS versus 2.9 GHz on the EPYC 7351 — a 53.2% clock advantage for the Ryzen 5 PRO 8645HS (base: 4.3 GHz vs 2.4 GHz). The Ryzen 5 PRO 8645HS uses the Hawk Point (2024−2025) architecture (4 nm), while the EPYC 7351 uses Naples (2017−2018) (14 nm). In PassMark, the Ryzen 5 PRO 8645HS scores 23,227 against the EPYC 7351's 23,226 — a 0% lead for the Ryzen 5 PRO 8645HS. L3 cache: 16 MB (total) on the Ryzen 5 PRO 8645HS vs 64 MB (total) on the EPYC 7351.

Feature	Ryzen 5 PRO 8645HS	EPYC 7351
Cores / Threads	6 / 12	16 / 32+167%
Boost Clock	5 GHz+72%	2.9 GHz
Base Clock	4.3 GHz+79%	2.4 GHz
L3 Cache	16 MB (total)	64 MB (total)+300%
L2 Cache	1 MB (per core)+100%	512K (per core)
Process	4 nm-71%	14 nm
Architecture	Hawk Point (2024−2025)	Naples (2017−2018)
PassMark	23,227	23,226

🧠

Memory & Platform

The Ryzen 5 PRO 8645HS uses the FP7 socket (PCIe 4.0), while the EPYC 7351 uses TR4 (PCIe 4.0) — making them incompatible on the same motherboard.