Core i5-7640X vs Core i5-8269U

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.

Core i5-7640X vs Core i5-8269U 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.

Core i5-7640X vs Core i5-8269U: Pros, Cons & Final Verdict

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

Core i5-7640X

2017

Why buy it

✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-8269U across 50 shared CPU benchmark tests.
❌Lower PassMark (7,060 vs 7,111).
❌Launch MSRP is still $249 MSRP, while Core i5-8269U mostly shows up through inconsistent older-market listings.
❌300% higher power demand at 112W vs 28W.

Core i5-8269U

2018

Why buy it

✅Better for gaming: +5.5% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 28W instead of 112W, a 84W reduction.

Trade-offs

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

Quick Answers

So, is Core i5-8269U better than Core i5-7640X?

Yes. Core i5-8269U is the better all-around CPU here. It gives you a 5.5% average FPS lead across 50 shared CPU game tests in our data, 0.7% 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, Core i5-8269U is the better pick. According to our tests, it delivers 5.5% 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, Core i5-8269U is the stronger fit. You are getting 0.7% better PassMark, backed by 4 cores and 8 threads.

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

Core i5-8269U is still the much better call for a fresh build. Core i5-8269U comes in at an unclear MSRP at unclear MSRP versus $249 MSRP, and it still gives you a 5.5% average FPS lead across 50 shared CPU game tests in our data. Core i5-7640X only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2017 platform. Even with 100.0% better value on paper (28.4 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA2066.

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

Core i5-8269U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2018 vs 2017) and more multi-core headroom with 4 cores / 8 threads instead of 4/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i5-7640X vs Core i5-8269U Technical Specifications

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

Core i5-7640X

The Core i5-7640X is manufactured by Intel. It was released in 26 June 2017 (8 years ago). It is based on the Kaby Lake-X (2017) architecture. It features 4 cores and 4 threads. Base frequency is 4 GHz, with boost up to 4.2 GHz. L3 cache: 6 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 112 Watt. Memory support: DDR4-2666. Passmark benchmark score: 7,060 points. Launch price was $242.

Core i5-8269U

The Core i5-8269U is manufactured by Intel. It was released in 5 April 2018 (7 years ago). It is based on the Coffee Lake-U (2018−2019) architecture. It features 4 cores and 8 threads. Base frequency is 2.6 GHz, with boost up to 4.2 GHz. L3 cache: 6 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 28 Watt. Memory support: DDR4. Passmark benchmark score: 7,111 points. Launch price was $320.

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Processing Power

The Core i5-7640X packs 4 cores / 4 threads, matching the Core i5-8269U's 4 cores. Boost clocks reach 4.2 GHz on the Core i5-7640X versus 4.2 GHz on the Core i5-8269U — identical boost frequencies (base: 4 GHz vs 2.6 GHz). The Core i5-7640X uses the Kaby Lake-X (2017) architecture (14 nm), while the Core i5-8269U uses Coffee Lake-U (2018−2019) (14 nm). In PassMark, the Core i5-7640X scores 7,060 against the Core i5-8269U's 7,111 — a 0.7% lead for the Core i5-8269U. Both processors carry 6 MB (total) of L3 cache.

Feature	Core i5-7640X	Core i5-8269U
Cores / Threads	4 / 4	4 / 8
Boost Clock	4.2 GHz	4.2 GHz
Base Clock	4 GHz+54%	2.6 GHz
L3 Cache	6 MB (total)	6 MB (total)
L2 Cache	256K (per core)	256K (per core)
Process	14 nm	14 nm
Architecture	Kaby Lake-X (2017)	Coffee Lake-U (2018−2019)
PassMark	7,060	7,111
Cinebench R23 Multi	3,726	—
Geekbench 6 Single	1,419	—
Geekbench 6 Multi	3,726	—

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Memory & Platform

The Core i5-7640X uses the LGA2066 socket (PCIe 3.0), while the Core i5-8269U uses FCBGA1528 (PCIe 3.0) — making them incompatible on the same motherboard.