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CPU Comparison: FPS, Specs & Value

Core i7-640M vs Core i7-8650U

The Core i7-640M is much slower than the Core i7-8650U on average across 100+ games. We cannot compare value as at least one CPU is out of stock.

  • Available for $346
  • Up to 102% faster on average across 100+ games
  • Is 7 years newer

FPS Comparison Across Popular Games

Specs & Benchmark Comparison

Scorehelp

Core i7-8650U ranks 21 points higher.

Coreshelp

Core i7-8650U has 2 more cores.

Threadshelp

Core i7-8650U has 4 more threads.

L3 Cachehelp

Core i7-8650U has 4 MB more L3 cache.

Base Frequencyhelp

Core i7-640M has a 47% higher base clock.

Turbo Frequencyhelp
Intel Core i7-640M Logo
Core i7-640M
3.467 GHz

Core i7-8650U boosts 21% higher.

TDPhelp

Core i7-8650U draws 20W less power.

Intel BGA 1288
Sockethelp
Intel BGA 1356
Arrandale
Codenamehelp
Kaby Lake-R
Mobile
Segmenthelp
Mobile
HD Graphics (Ironlake)
Integrated GPUhelp
UHD 620
1066 MHz (DDR3)
RAMhelp
DDR4
Not Overclockable
Overclock Supporthelp
Not Overclockable

Frequently Asked Questions

compare_arrowsWhich is better, Core i7-640M or Core i7-8650U?expand_more
The Core i7-8650U. It's 263% faster than the Core i7-640M on average across 100+ games, scoring 29/100 vs 8/100 in our gaming rating.
speedHow much faster is Core i7-8650U than Core i7-640M?expand_more
263% faster on average. The gap varies by game and resolution, check the per-game FPS comparison above.
aspect_ratioWhich is better for 1440p and 4K gaming, Core i7-640M or Core i7-8650U?expand_more
The Core i7-8650U is faster at both resolutions. Toggle the resolution selector above to see per-game FPS.
paidIs the Core i7-8650U worth buying in 2026?expand_more
It scores 29/100 in our gaming rating, faster than most CPUs on the market. Good buy if the price is right.
differenceWhat is the difference between Core i7-640M and Core i7-8650U?expand_more
Performance: Core i7-640M scores 8/100, Core i7-8650U scores 29/100. They also differ in core count, clock speeds, L3 cache, and power draw. Full breakdown in the specs section above.
compressWill the Core i7-640M or Core i7-8650U bottleneck my PC?expand_more
Depends on the rest of your build, especially your GPU. Swap the paired GPU in the FPS section above to see if it limits performance, or use our bottleneck calculator for a full analysis.
upgradeIs it worth upgrading to the Core i7-640M or Core i7-8650U?expand_more
The Core i7-8650U is the stronger pick at 29/100. Compare your current CPU against it to see the exact FPS gain across 100+ games.

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