Ryzen 5 7640HS vs Ryzen 7 3800X

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 7640HS

2023

Why buy it

✅Draws 35W instead of 105W, a 70W reduction.
✅Newer platform on FP8 with DDR5 support instead of AM4 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 3800X across 2 shared CPU benchmark tests.
❌Lower PassMark (22,921 vs 23,008).
❌Smaller total L3 cache (16 MB vs 32 MB).

Ryzen 7 3800X

2019

Why buy it

✅Better for gaming: +13.8% higher average FPS across 2 shared CPU benchmark tests.
✅+100% larger total L3 cache (32 MB vs 16 MB).
✅100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $399 MSRP, while Ryzen 5 7640HS mostly shows up through inconsistent older-market listings.
❌200% higher power demand at 105W vs 35W.
❌Older platform position on AM4 with DDR4, while Ryzen 5 7640HS moves to FP8 and DDR5.

Ryzen 5 7640HS

2023

Ryzen 7 3800X

2019

Why buy it

✅Draws 35W instead of 105W, a 70W reduction.
✅Newer platform on FP8 with DDR5 support instead of AM4 and DDR4.

Why buy it

✅Better for gaming: +13.8% higher average FPS across 2 shared CPU benchmark tests.
✅+100% larger total L3 cache (32 MB vs 16 MB).
✅100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 3800X across 2 shared CPU benchmark tests.
❌Lower PassMark (22,921 vs 23,008).
❌Smaller total L3 cache (16 MB vs 32 MB).

Trade-offs

❌Launch MSRP is still $399 MSRP, while Ryzen 5 7640HS mostly shows up through inconsistent older-market listings.
❌200% higher power demand at 105W vs 35W.
❌Older platform position on AM4 with DDR4, while Ryzen 5 7640HS moves to FP8 and DDR5.

Quick Answers

So, is Ryzen 7 3800X better than Ryzen 5 7640HS?

Yes. Ryzen 7 3800X is the better overall CPU here. You are getting a 13.8% average FPS lead across 2 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 7 3800X is the better pick here. According to our tests, it delivers 13.8% more average FPS across 2 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Ryzen 7 3800X is the better fit. You are getting 0.4% better PassMark, backed by 8 cores and 16 threads. It also carries the larger cache pool with 100% larger total L3 cache (32 MB vs 16 MB).

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

Ryzen 7 3800X is the smarter buy today. Ryzen 7 3800X is at an unclear MSRP at $399 MSRP versus unclear MSRP, and it gives you a 13.8% average FPS lead across 2 shared CPU game tests in our data. It is also 100.0% better value on MSRP (57.7 vs 0.0 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.

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

Ryzen 5 7640HS is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2019) and a healthier platform with FP8 and DDR5 instead of AM4. 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 7640HS Benchmark Check

Ryzen 7 3800X Benchmark Check

Path of Exile 2

Preset	Ryzen 5 7640HS	Ryzen 7 3800X
1080p
low	267 FPS	201 FPS
medium	241 FPS	164 FPS
high	202 FPS	138 FPS
ultra	174 FPS	111 FPS
1440p
low	235 FPS	156 FPS
medium	193 FPS	122 FPS
high	157 FPS	100 FPS
ultra	139 FPS	81 FPS
4K
low	163 FPS	84 FPS
medium	136 FPS	71 FPS
high	105 FPS	57 FPS
ultra	92 FPS	44 FPS

Open Ryzen 5 7640HS Open Ryzen 7 3800X

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 5 7640HS	Ryzen 7 3800X
1080p
low	433 FPS	575 FPS
medium	359 FPS	558 FPS
high	313 FPS	448 FPS
ultra	276 FPS	401 FPS
1440p
low	376 FPS	570 FPS
medium	326 FPS	493 FPS
high	286 FPS	408 FPS
ultra	244 FPS	348 FPS
4K
low	270 FPS	352 FPS
medium	239 FPS	306 FPS
high	222 FPS	276 FPS
ultra	186 FPS	244 FPS

Open Ryzen 5 7640HS Open Ryzen 7 3800X

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 5 7640HS	Ryzen 7 3800X
1080p
low	573 FPS	575 FPS
medium	573 FPS	575 FPS
high	573 FPS	575 FPS
ultra	573 FPS	575 FPS
1440p
low	573 FPS	575 FPS
medium	573 FPS	575 FPS
high	521 FPS	542 FPS
ultra	450 FPS	472 FPS
4K
low	505 FPS	509 FPS
medium	446 FPS	403 FPS
high	381 FPS	360 FPS
ultra	316 FPS	287 FPS

Open Ryzen 5 7640HS Open Ryzen 7 3800X

League of Legends

League of Legends

Valorant

Preset	Ryzen 5 7640HS	Ryzen 7 3800X
1080p
low	573 FPS	575 FPS
medium	573 FPS	575 FPS
high	573 FPS	575 FPS
ultra	573 FPS	575 FPS
1440p
low	573 FPS	575 FPS
medium	573 FPS	575 FPS
high	573 FPS	575 FPS
ultra	546 FPS	575 FPS
4K
low	566 FPS	575 FPS
medium	507 FPS	536 FPS
high	451 FPS	483 FPS
ultra	387 FPS	425 FPS

Open Ryzen 5 7640HS Open Ryzen 7 3800X

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 5 7640HS and Ryzen 7 3800X

Ryzen 5 7640HS

The Ryzen 5 7640HS is manufactured by AMD. It was released in Janeiro 2023 (2 years ago). It is based on the Phoenix-HS (Zen 4) (2023) 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: FP8. Thermal design power (TDP): 35 Watt. Memory support: DDR5. Passmark benchmark score: 22,921 points. Launch price was $299.

Ryzen 7 3800X

The Ryzen 7 3800X is manufactured by AMD. It was released in 7 July 2019 (6 years ago). It is based on the Matisse (2019−2020) architecture. It features 8 cores and 16 threads. Base frequency is 3.9 GHz, with boost up to 4.5 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 23,008 points. Launch price was $399.

⚡

Processing Power

The Ryzen 5 7640HS packs 6 cores / 12 threads, while the Ryzen 7 3800X offers 8 cores / 16 threads — the Ryzen 7 3800X has 2 more cores. Boost clocks reach 5 GHz on the Ryzen 5 7640HS versus 4.5 GHz on the Ryzen 7 3800X — a 10.5% clock advantage for the Ryzen 5 7640HS (base: 4.3 GHz vs 3.9 GHz). The Ryzen 5 7640HS uses the Phoenix-HS (Zen 4) (2023) architecture (4 nm), while the Ryzen 7 3800X uses Matisse (2019−2020) (7 nm, 12 nm). In PassMark, the Ryzen 5 7640HS scores 22,921 against the Ryzen 7 3800X's 23,008 — a 0.4% lead for the Ryzen 7 3800X. L3 cache: 16 MB (total) on the Ryzen 5 7640HS vs 32 MB on the Ryzen 7 3800X.

Feature	Ryzen 5 7640HS	Ryzen 7 3800X
Cores / Threads	6 / 12	8 / 16+33%
Boost Clock	5 GHz+11%	4.5 GHz
Base Clock	4.3 GHz+10%	3.9 GHz
L3 Cache	16 MB (total)	32 MB+100%
L2 Cache	1 MB (per core)+100%	512K (per core)
Process	4 nm-43%	7 nm, 12 nm
Architecture	Phoenix-HS (Zen 4) (2023)	Matisse (2019−2020)
PassMark	22,921	23,008

🧠

Memory & Platform

The Ryzen 5 7640HS uses the FP8 socket (PCIe 4.0), while the Ryzen 7 3800X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard.