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 8640U

2023

Why buy it

✅Better for gaming: +4.7% higher average FPS across 4 shared CPU benchmark tests.
✅+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

❌Worse for gaming: lower average FPS than Ryzen 5 8640U across 4 shared CPU benchmark tests.
❌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.

Ryzen 5 8640U

2023

Ryzen 7 PRO 4750G

2020

Why buy it

✅Better for gaming: +4.7% higher average FPS across 4 shared CPU benchmark tests.
✅+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.

Why buy it

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

Trade-offs

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

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 8640U across 4 shared CPU benchmark tests.
❌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 matters more to you. For gaming, Ryzen 5 8640U is ahead with a 4.7% average FPS lead across 4 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 better 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 makes more sense if price matters more than absolute performance. Ryzen 5 8640U is at an unclear MSRP at unclear MSRP versus $309 MSRP, and it gives you a 4.7% average FPS lead across 4 shared CPU game tests in our data. The trade-off is that Ryzen 7 PRO 4750G is still stronger for heavier multi-core work with 20% better Cinebench R23 multi-core. Ryzen 7 PRO 4750G is also 100.0% better value on MSRP (65.5 vs 0.0 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

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

Ryzen 5 8640U is the more future-proof choice 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 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 8640U Benchmark Check

Ryzen 7 PRO 4750G Benchmark Check

Path of Exile 2

Preset	Ryzen 5 8640U	Ryzen 7 PRO 4750G
1080p
low	261 FPS	215 FPS
medium	237 FPS	173 FPS
high	199 FPS	138 FPS
ultra	171 FPS	102 FPS
1440p
low	230 FPS	185 FPS
medium	190 FPS	147 FPS
high	155 FPS	117 FPS
ultra	137 FPS	87 FPS
4K
low	159 FPS	89 FPS
medium	133 FPS	77 FPS
high	103 FPS	60 FPS
ultra	91 FPS	47 FPS

Open Ryzen 5 8640U Open Ryzen 7 PRO 4750G

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 5 8640U	Ryzen 7 PRO 4750G
1080p
low	371 FPS	381 FPS
medium	309 FPS	317 FPS
high	272 FPS	279 FPS
ultra	236 FPS	243 FPS
1440p
low	313 FPS	330 FPS
medium	270 FPS	285 FPS
high	244 FPS	255 FPS
ultra	207 FPS	216 FPS
4K
low	234 FPS	265 FPS
medium	206 FPS	238 FPS
high	191 FPS	216 FPS
ultra	161 FPS	186 FPS

Open Ryzen 5 8640U Open Ryzen 7 PRO 4750G

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 5 8640U	Ryzen 7 PRO 4750G
1080p
low	507 FPS	506 FPS
medium	507 FPS	506 FPS
high	507 FPS	506 FPS
ultra	507 FPS	506 FPS
1440p
low	507 FPS	506 FPS
medium	507 FPS	506 FPS
high	507 FPS	468 FPS
ultra	443 FPS	408 FPS
4K
low	493 FPS	439 FPS
medium	435 FPS	374 FPS
high	372 FPS	331 FPS
ultra	308 FPS	266 FPS

Open Ryzen 5 8640U Open Ryzen 7 PRO 4750G

League of Legends

League of Legends

Valorant

Preset	Ryzen 5 8640U	Ryzen 7 PRO 4750G
1080p
low	507 FPS	506 FPS
medium	507 FPS	506 FPS
high	507 FPS	506 FPS
ultra	507 FPS	506 FPS
1440p
low	507 FPS	506 FPS
medium	507 FPS	506 FPS
high	507 FPS	506 FPS
ultra	507 FPS	506 FPS
4K
low	507 FPS	506 FPS
medium	501 FPS	493 FPS
high	442 FPS	429 FPS
ultra	380 FPS	368 FPS

Open Ryzen 5 8640U Open Ryzen 7 PRO 4750G

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 5 8640U and Ryzen 7 PRO 4750G

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.

⚡

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

🧠

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 22.2% 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 — 66.7% 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+25%	DDR4-3200
Max RAM Capacity	256 GB+100%	128 GB
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	20+25%	16

🔧

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.