Ryzen AI 5 340 vs Ryzen 5 8640HS

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

Based on actual market prices and performance synthetic scores.

Performance Per Dollar

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Ryzen 5 8640HS delivers superior performance across the board. It outperforms the Ryzen AI 5 340 in both compute-intensive tasks (0.4% faster) and gaming workloads.

Insight	Ryzen AI 5 340	Ryzen 5 8640HS
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	Equivalent pricing	Equivalent pricing
Longevity	✨ Modern (Krackan Point (2025) / 4 nm)	✨ Modern (Hawk Point-HS (Zen 4) (2023−2024) / 4 nm)

💎 Value Proposition

Insight	Ryzen AI 5 340	Ryzen 5 8640HS
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 AI 5 340 Benchmark Check

Ryzen 5 8640HS Benchmark Check

Technical Specifications

Side-by-side comparison of Ryzen AI 5 340 and Ryzen 5 8640HS

Ryzen AI 5 340

The Ryzen AI 5 340 is manufactured by AMD. It was released in 6 January 2025 (less than a year ago). It is based on the Krackan Point (2025) architecture. It features 6 cores and 12 threads. Base frequency is 2 GHz, with boost up to 4.8 GHz. L3 cache: 8 MB. L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP8. Thermal design power (TDP): 28 Watt. Memory support: DDR5. Passmark benchmark score: 19,776 points. Launch price was $299.

Ryzen 5 8640HS

The Ryzen 5 8640HS is manufactured by AMD. It was released in 6 December 2023 (1 year ago). It is based on the Hawk Point-HS (Zen 4) (2023−2024) 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: FP8. Thermal design power (TDP): 28 Watt. Memory support: DDR5. Passmark benchmark score: 19,851 points. Launch price was $299.

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Processing Power

Both the Ryzen AI 5 340 and Ryzen 5 8640HS share an identical 6-core/12-thread configuration. Boost clocks reach 4.8 GHz on the Ryzen AI 5 340 versus 4.9 GHz on the Ryzen 5 8640HS — a 2.1% clock advantage for the Ryzen 5 8640HS (base: 2 GHz vs 3.5 GHz). The Ryzen AI 5 340 uses the Krackan Point (2025) architecture (4 nm), while the Ryzen 5 8640HS uses Hawk Point-HS (Zen 4) (2023−2024) (4 nm). In PassMark, the Ryzen AI 5 340 scores 19,776 against the Ryzen 5 8640HS's 19,851 — a 0.4% lead for the Ryzen 5 8640HS. L3 cache: 8 MB on the Ryzen AI 5 340 vs 16 MB (total) on the Ryzen 5 8640HS.

Feature	Ryzen AI 5 340	Ryzen 5 8640HS
Cores / Threads	6 / 12	6 / 12
Boost Clock	4.8 GHz	4.9 GHz+2%
Base Clock	2 GHz	3.5 GHz+75%
L3 Cache	8 MB	16 MB (total)+100%
L2 Cache	1 MB (per core)	1 MB (per core)
Process	4 nm	4 nm
Architecture	Krackan Point (2025)	Hawk Point-HS (Zen 4) (2023−2024)
PassMark	19,776	19,851