Ryzen 5 8640U vs Ryzen 7 PRO 4750G

CPU

GPU

Ryzen 5 8640U

6 Cores12 Thrd28 WWMax: 4.9 GHz2023

Ryzen family

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Ryzen 7 PRO 4750G

8 Cores16 Thrd65 WWMax: 4.4 GHz2020

Similar parts

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Ryzen 5 8640U vs Ryzen 7 PRO 4750G Performance Spectrum

Ryzen 5 8640U

6 / 12

20,274

+0.2%

Ryzen Threadripper 3960X

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

Ryzen 7 PRO 4750G

8 / 16

20,227

0.0%

Ryzen Threadripper 3960X

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

About PassMark

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 PRO 4750G 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 PRO 4750G: 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

✅+54.8% higher Geekbench single-core performance for gaming and desktop responsiveness.
✅+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.
✅25% more PCIe lanes (20 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Lower Cinebench R23 multi-core (10,675 vs 12,814).
❌No boxed cooler included, unlike Ryzen 7 PRO 4750G.

Ryzen 7 PRO 4750G

2020

Why buy it

✅+20% higher Cinebench R23 multi-core.
✅Includes a boxed cooler (Yes), unlike Ryzen 5 8640U.

Trade-offs

❌Lower Geekbench single-core performance for gaming (1,627 vs 2,519).
❌Smaller total L3 cache (8 MB vs 16 MB).
❌Launch MSRP is still $309 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 PRO 4750G?

It depends on what you want from the system. For gaming, Ryzen 5 8640U is ahead with a 2.8% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Ryzen 7 PRO 4750G pulls ahead with 20% better Cinebench R23 multi-core. Ryzen 5 8640U also has the bigger cache pool with 100% larger total L3 cache (16 MB vs 8 MB).

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

For streaming, content creation, and heavier multitasking, Ryzen 7 PRO 4750G is the stronger fit. You are getting 20% better Cinebench R23 multi-core, backed by 8 cores and 16 threads.

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

Ryzen 5 8640U is still the faster CPU overall, but Ryzen 7 PRO 4750G is easier to justify if budget matters more than peak performance. Ryzen 5 8640U comes in at an unclear MSRP at unclear MSRP versus $309 MSRP, and it still gives you a 2.8% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Ryzen 7 PRO 4750G is still stronger for heavier multi-core work with 20% better Cinebench R23 multi-core. Ryzen 7 PRO 4750G is also 100.0% better value on MSRP (65.5 vs 0.0 PassMark/$), 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, and 100% larger total L3 cache (16 MB vs 8 MB). That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Ryzen 5 8640U vs Ryzen 7 PRO 4750G 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 PRO 4750G

The Ryzen 7 PRO 4750G 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: 20,227 points. Launch price was $299.

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Processing Power

The Ryzen 5 8640U packs 6 cores / 12 threads, while the Ryzen 7 PRO 4750G offers 8 cores / 16 threads — the Ryzen 7 PRO 4750G has 2 more cores. Boost clocks reach 4.9 GHz on the Ryzen 5 8640U versus 4.4 GHz on the Ryzen 7 PRO 4750G — 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 PRO 4750G uses Renoir (2020−2023) (7 nm). In PassMark, the Ryzen 5 8640U scores 20,274 against the Ryzen 7 PRO 4750G's 20,227 — a 0.2% lead for the Ryzen 5 8640U. Cinebench R23 multi-core: 10,675 vs 12,814 (18.2% advantage for the Ryzen 7 PRO 4750G). Geekbench 6 single-core — the metric most relevant to gaming — records 2,519 vs 1,627, a 43% lead for the Ryzen 5 8640U that directly translates to higher frame rates. Multi-core Geekbench: 10,308 vs 7,556 (30.8% advantage for the Ryzen 5 8640U). L3 cache: 16 MB (total) on the Ryzen 5 8640U vs 8 MB on the Ryzen 7 PRO 4750G.

Feature	Ryzen 5 8640U	Ryzen 7 PRO 4750G
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	20,227
Cinebench R23 Multi	10,675	12,814+20%
Geekbench 6 Single	2,519+55%	1,627
Geekbench 6 Multi	10,308+36%	7,556

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Memory & Platform

The Ryzen 5 8640U uses the FP8 socket (PCIe 4.0), while the Ryzen 7 PRO 4750G uses AM4 (PCIe 3.0) — 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 PRO 4750G — 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 16 (Ryzen 7 PRO 4750G) — the Ryzen 5 8640U offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SoC (Ryzen 5 8640U) and Socket AM4 (Ryzen 7 PRO 4750G).

Feature	Ryzen 5 8640U	Ryzen 7 PRO 4750G
Socket	FP8	AM4
PCIe Generation	PCIe 4.0+33%	PCIe 3.0
Max RAM Speed	LPDDR5x-7500+134%	DDR4-3200
Max RAM Capacity	256 GB+100%	128 GB
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	20+25%	16

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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 PRO 4750G). Both include integrated graphics — Radeon 760M (Ryzen 5 8640U) and Radeon Vega 8 (Ryzen 7 PRO 4750G) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Ryzen 5 8640U targets Productivity. Direct competitor: Ryzen 5 8640U rivals Core i5-1335U.