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.

Ryzen 5 7640HS vs Ryzen 7 3800X FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Ryzen 5 7640HS vs Ryzen 7 3800X: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

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 50 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: +4.3% higher average FPS across 50 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.

Quick Answers

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

Yes. Ryzen 7 3800X is the better all-around CPU here. It gives you a 4.3% average FPS lead across 50 shared CPU game tests in our data and 0.4% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Ryzen 7 3800X is the better pick. According to our tests, it delivers 4.3% more average FPS across 50 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 stronger fit. You are getting 0.4% better PassMark, backed by 8 cores and 16 threads. It also has 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 better buy right now. Ryzen 7 3800X comes in at an unclear MSRP at $399 MSRP versus unclear MSRP, and it still gives you a 4.3% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (57.7 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Ryzen 5 7640HS makes more sense long term 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 gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Ryzen 5 7640HS vs Ryzen 7 3800X Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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.

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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)	512K (per core)+51100%
Process	4 nm-43%	7 nm, 12 nm
Architecture	Phoenix-HS (Zen 4) (2023)	Matisse (2019−2020)
PassMark	22,921	23,008

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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.