Ryzen 5 8640U vs Ryzen 7 4700G

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 8640U vs Ryzen 7 4700G 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 8640U vs Ryzen 7 4700G: 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 8640U

2023

Why buy it

✅+100% larger total L3 cache (16 MB vs 8 MB).
✅Draws 28W instead of 65W, a 37W reduction.
✅Newer platform on FP8 with DDR5 support instead of AM4 and DDR4.

Trade-offs

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

Ryzen 7 4700G

2020

Why buy it

✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (20,180 vs 20,274).
❌Smaller total L3 cache (8 MB vs 16 MB).
❌Launch MSRP is still $299 MSRP, while Ryzen 5 8640U mostly shows up through inconsistent older-market listings.
❌132.1% higher power demand at 65W vs 28W.
❌Older platform position on AM4 with DDR4, while Ryzen 5 8640U moves to FP8 and DDR5.

Quick Answers

So, is Ryzen 5 8640U better than Ryzen 7 4700G?

Yes. Ryzen 5 8640U is the better all-around CPU here. It gives you a 2.9% average FPS lead across 50 shared CPU game tests in our data, 0.5% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Ryzen 5 8640U is the better pick. According to our tests, it delivers 2.9% 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 5 8640U is the stronger fit. You are getting 0.5% better PassMark, backed by 6 cores and 12 threads. It also has 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 8640U is still the faster CPU overall, but Ryzen 7 4700G is easier to justify if budget matters more than peak performance. Ryzen 5 8640U comes in at an unclear MSRP at unclear MSRP versus $299 MSRP, and it still gives you a 2.9% average FPS lead across 50 shared CPU game tests in our data. Ryzen 7 4700G is also 100.0% better value on MSRP (67.5 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Ryzen 5 8640U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2020), a healthier platform with FP8 and DDR5 instead of AM4, 100% larger total L3 cache (16 MB vs 8 MB), and more multi-core headroom with 6 cores / 12 threads instead of 8/16. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Ryzen 5 8640U vs Ryzen 7 4700G Technical Specifications

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

Ryzen 5 8640U

The Ryzen 5 8640U is manufactured by AMD. It was released in 6 December 2023 (1 year ago). It is based on the Hawk Point-U (Zen 4) (2023−2025) 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: 20,274 points. Launch price was $299.

Ryzen 7 4700G

The Ryzen 7 4700G is manufactured by AMD. It was released in 21 July 2020 (5 years ago). It is based on the Renoir (2020−2023) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 4.4 GHz. L3 cache: 8 MB. L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 20,180 points. Launch price was $299.

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Processing Power

The Ryzen 5 8640U packs 6 cores / 12 threads, while the Ryzen 7 4700G offers 8 cores / 16 threads — the Ryzen 7 4700G has 2 more cores. Boost clocks reach 4.9 GHz on the Ryzen 5 8640U versus 4.4 GHz on the Ryzen 7 4700G — a 10.8% clock advantage for the Ryzen 5 8640U (base: 3.5 GHz vs 3.6 GHz). The Ryzen 5 8640U uses the Hawk Point-U (Zen 4) (2023−2025) architecture (4 nm), while the Ryzen 7 4700G uses Renoir (2020−2023) (7 nm). In PassMark, the Ryzen 5 8640U scores 20,274 against the Ryzen 7 4700G's 20,180 — a 0.5% lead for the Ryzen 5 8640U. L3 cache: 16 MB (total) on the Ryzen 5 8640U vs 8 MB on the Ryzen 7 4700G.

Feature	Ryzen 5 8640U	Ryzen 7 4700G
Cores / Threads	6 / 12	8 / 16+33%
Boost Clock	4.9 GHz+11%	4.4 GHz
Base Clock	3.5 GHz	3.6 GHz+3%
L3 Cache	16 MB (total)+100%	8 MB
L2 Cache	1 MB (per core)+100%	512 kB (per core)
Process	4 nm-43%	7 nm
Architecture	Hawk Point-U (Zen 4) (2023−2025)	Renoir (2020−2023)
PassMark	20,274	20,180
Cinebench R23 Multi	10,675	—
Geekbench 6 Single	2,519	—
Geekbench 6 Multi	10,308	—

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Memory & Platform

The Ryzen 5 8640U uses the FP8 socket (PCIe 4.0), while the Ryzen 7 4700G uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR5x-7500 on the Ryzen 5 8640U versus DDR4-3200 on the Ryzen 7 4700G — the Ryzen 5 8640U supports 134.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 5 8640U supports up to 256 GB of RAM compared to 128 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Ryzen 5 8640U) vs 24 (Ryzen 7 4700G) — the Ryzen 7 4700G offers 4 more lanes for additional GPUs or NVMe drives.

Feature	Ryzen 5 8640U	Ryzen 7 4700G
Socket	FP8	AM4
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	LPDDR5x-7500+134%	DDR4-3200
Max RAM Capacity	256 GB+100%	128 GB
RAM Channels	2	2
ECC Support	Yes	No
PCIe Lanes	20	24+20%

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Advanced Features

Neither processor supports overclocking. Only the Ryzen 5 8640U supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (SVM) (Ryzen 5 8640U) vs AMD-V (Ryzen 7 4700G). Both include integrated graphics — Radeon 760M (Ryzen 5 8640U) and Radeon Graphics (8CU) (Ryzen 7 4700G) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Ryzen 5 8640U targets Productivity, Ryzen 7 4700G targets Desktop. Direct competitor: Ryzen 5 8640U rivals Core i5-1335U.