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CPU Comparison: FPS, Specs & Value

Core i7-8557U vs Core Ultra 5 245KF

The Core i7-8557U is slower than the Core Ultra 5 245KF on average across 100+ games. We cannot compare value as at least one CPU is out of stock.

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Up to 30% faster on average across 100+ games
Is 5 years and 5 months newer
Available for $199.00

FPS Comparison Across Popular Games

Predicted average FPS at 1080p, 1440p, and 4K, based on real game benchmarks.

Resolution

Quality

Paired GPU

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League of Legends2009

Core i7-8557U

306FPS

Core Ultra 5 245KF

407FPS

Escape From Tarkov2017

Core i7-8557U

239FPS

Core Ultra 5 245KF

262FPS

Rust2018

323FPS

357FPS

641FPS

740FPS

Dota 22013

Core i7-8557U

233FPS

Core Ultra 5 245KF

299FPS

Valorant2020

Core i7-8557U

676FPS

Core Ultra 5 245KF

785FPS

Fortnite2017

Core i7-8557U

332FPS

Core Ultra 5 245KF

323FPS

Grand Theft Auto V2013

Core i7-8557U

215FPS

Core Ultra 5 245KF

223FPS

Specs & Benchmark Comparison

Side-by-side specs, synthetic benchmarks, and key hardware differences.

Scorehelp

Core i7-8557U

10%

Core Ultra 5 245KF

62%

Core Ultra 5 245KF ranks 52 points higher.

Coreshelp

Core i7-8557U

Core Ultra 5 245KF

Core Ultra 5 245KF has 10 more cores.

Threadshelp

Core i7-8557U

Core Ultra 5 245KF

Core Ultra 5 245KF has 6 more threads.

L3 Cachehelp

Core i7-8557U

8 MB

Core Ultra 5 245KF

24 MB

Core Ultra 5 245KF has 16 MB more L3 cache.

Base Frequencyhelp

Core i7-8557U

1.7 GHz

Core Ultra 5 245KF

4.2 GHz

Core Ultra 5 245KF has a 147% higher base clock.

Turbo Frequencyhelp

Core i7-8557U

4.5 GHz

Core Ultra 5 245KF

5.2 GHz

Core Ultra 5 245KF boosts 16% higher.

TDPhelp

Core i7-8557U

15W

Core Ultra 5 245KF

125W

Core i7-8557U draws 110W less power.

Pricehelp

Core i7-8557U

Core Ultra 5 245KF

$199.00

Core i7-8557UCore Ultra 5 245KF

Intel BGA 1526

Sockethelp

LGA1851

Coffee Lake-U

Codenamehelp

Arrow Lake-S

Mobile

Segmenthelp

Desktop

UHD Graphics 617

Integrated GPUhelp

No Integrated Graphics

2133 MHz (DDR4)

RAMhelp

6400 MHz (DDR5)

Not Overclockable

Overclock Supporthelp

Overclockable

Frequently Asked Questions

compare_arrowsWhich is better, Core i7-8557U or Core Ultra 5 245KF?expand_more

The Core Ultra 5 245KF. It's 520% faster than the Core i7-8557U on average across 100+ games, scoring 62/100 vs 10/100 in our gaming rating.

speedHow much faster is Core Ultra 5 245KF than Core i7-8557U?expand_more

520% 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 i7-8557U or Core Ultra 5 245KF?expand_more

The Core Ultra 5 245KF is faster at both resolutions. Toggle the resolution selector above to see per-game FPS.

paidIs the Core Ultra 5 245KF worth buying in 2026?expand_more

It scores 62/100 in our gaming rating, faster than most CPUs on the market. Good buy if the price is right.

differenceWhat is the difference between Core i7-8557U and Core Ultra 5 245KF?expand_more

Performance: Core i7-8557U scores 10/100, Core Ultra 5 245KF scores 62/100. They also differ in core count, clock speeds, L3 cache, and power draw. Full breakdown in the specs section above.

compressWill the Core i7-8557U or Core Ultra 5 245KF 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 i7-8557U or Core Ultra 5 245KF?expand_more

The Core Ultra 5 245KF is the stronger pick at 62/100. Compare your current CPU against it to see the exact FPS gain across 100+ games.

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