Ryzen 5 8640HS vs Ryzen AI 5 340

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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Ryzen 5 8640HS

2023

Why buy it

✅Better for gaming: +32.4% higher average FPS across 47 shared CPU benchmark tests.
✅+100% larger total L3 cache (16 MB vs 8 MB).

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Ryzen AI 5 340

2025

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 8640HS across 47 shared CPU benchmark tests.
❌Lower PassMark (19,776 vs 19,851).
❌Smaller total L3 cache (8 MB vs 16 MB).

Ryzen 5 8640HS

2023

Ryzen AI 5 340

2025

Why buy it

✅Better for gaming: +32.4% higher average FPS across 47 shared CPU benchmark tests.
✅+100% larger total L3 cache (16 MB vs 8 MB).

Why buy it

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 8640HS across 47 shared CPU benchmark tests.
❌Lower PassMark (19,776 vs 19,851).
❌Smaller total L3 cache (8 MB vs 16 MB).

Quick Answers

So, is Ryzen 5 8640HS better than Ryzen AI 5 340?

Yes. Ryzen 5 8640HS is the better overall CPU here. You are getting a 32.4% average FPS lead across 47 shared CPU game tests in our data and 0.4% better PassMark, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Ryzen 5 8640HS is the better pick here. According to our tests, it delivers 32.4% more average FPS across 47 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Ryzen 5 8640HS is the better fit. You are getting 0.4% better PassMark, backed by 6 cores and 12 threads. It also carries the larger cache pool with 100% larger total L3 cache (16 MB vs 8 MB).

Which one is the smarter buy today, not just the cheaper CPU?

Ryzen 5 8640HS still looks like the safer overall buy. Ryzen 5 8640HS is at an unclear MSRP at unclear MSRP versus unclear MSRP, and it gives you a 32.4% average FPS lead across 47 shared CPU game tests in our data.

Which one is more future-proof for 2026 and beyond?

Ryzen AI 5 340 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2023). That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

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 8640HS Benchmark Check

Ryzen AI 5 340 Benchmark Check

Path of Exile 2

Preset	Ryzen 5 8640HS	Ryzen AI 5 340
1080p
low	261 FPS	245 FPS
medium	237 FPS	227 FPS
high	199 FPS	192 FPS
ultra	171 FPS	165 FPS
1440p
low	230 FPS	215 FPS
medium	190 FPS	181 FPS
high	155 FPS	149 FPS
ultra	137 FPS	131 FPS
4K
low	159 FPS	149 FPS
medium	133 FPS	126 FPS
high	103 FPS	98 FPS
ultra	91 FPS	85 FPS

Open Ryzen 5 8640HS Open Ryzen AI 5 340

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 5 8640HS	Ryzen AI 5 340
1080p
low	372 FPS	173 FPS
medium	309 FPS	146 FPS
high	272 FPS	132 FPS
ultra	236 FPS	116 FPS
1440p
low	313 FPS	146 FPS
medium	270 FPS	126 FPS
high	244 FPS	117 FPS
ultra	207 FPS	101 FPS
4K
low	234 FPS	121 FPS
medium	206 FPS	107 FPS
high	191 FPS	99 FPS
ultra	161 FPS	83 FPS

Open Ryzen 5 8640HS Open Ryzen AI 5 340

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 5 8640HS	Ryzen AI 5 340
1080p
low	496 FPS	494 FPS
medium	496 FPS	494 FPS
high	496 FPS	494 FPS
ultra	496 FPS	403 FPS
1440p
low	496 FPS	494 FPS
medium	496 FPS	483 FPS
high	496 FPS	418 FPS
ultra	443 FPS	340 FPS
4K
low	493 FPS	399 FPS
medium	435 FPS	337 FPS
high	372 FPS	290 FPS
ultra	308 FPS	230 FPS

Open Ryzen 5 8640HS Open Ryzen AI 5 340

League of Legends

League of Legends

Valorant

Preset	Ryzen 5 8640HS	Ryzen AI 5 340
1080p
low	496 FPS	494 FPS
medium	496 FPS	494 FPS
high	496 FPS	494 FPS
ultra	496 FPS	494 FPS
1440p
low	496 FPS	494 FPS
medium	496 FPS	494 FPS
high	496 FPS	494 FPS
ultra	496 FPS	494 FPS
4K
low	496 FPS	494 FPS
medium	496 FPS	473 FPS
high	442 FPS	419 FPS
ultra	380 FPS	363 FPS

Open Ryzen 5 8640HS Open Ryzen AI 5 340

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

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

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.

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.

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Processing Power

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

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