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CPU Comparison: FPS, Specs & Value

Core i5-8400 vs Core i7-7700

The Core i5-8400 is slightly slower than the Core i7-7700 on average across 100+ games. However, it's a much better value for money, as it's $151.00 cheaper!

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CPU

$198.95View CPUAll CPUs

Is 9 months newer
Available for $198.95

CPU

$349.95View CPUAll CPUs

Up to 1% faster on average across 100+ games

FPS Comparison Across Popular Games

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

Resolution

Quality

Paired GPU

View Compare All GPUs

Select GPU

League of Legends2009

Core i5-8400

211FPS

Core i7-7700

213FPS

Dota 22013

Core i5-8400

188FPS

Core i7-7700

188FPS

Overwatch 22023

Core i5-8400

519FPS

Core i7-7700

520FPS

Apex Legends2019

Core i5-8400

365FPS

Core i7-7700

365FPS

Escape From Tarkov2017

219FPS

220FPS

525FPS

527FPS

Valorant2020

Core i5-8400

587FPS

Core i7-7700

588FPS

Grand Theft Auto V2013

Core i5-8400

203FPS

Core i7-7700

204FPS

Specs & Benchmark Comparison

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

Scorehelp

Core i5-8400

30%

Core i7-7700

30%

Similar overall gaming performance.

Coreshelp

Core i5-8400

Core i7-7700

Core i5-8400 has 2 more cores.

Threadshelp

Core i5-8400

Core i7-7700

Core i7-7700 has 2 more threads.

L3 Cachehelp

Core i5-8400

9 MB

Core i7-7700

8 MB

Core i5-8400 has 1 MB more L3 cache.

Base Frequencyhelp

Core i5-8400

2.8 GHz

Core i7-7700

3.6 GHz

Core i7-7700 has a 29% higher base clock.

Turbo Frequencyhelp

Core i5-8400

4 GHz

Core i7-7700

4.2 GHz

Core i7-7700 boosts 5% higher.

TDPhelp

Core i5-8400

65W

Core i7-7700

65W

Pricehelp

Core i5-8400

$198.95

Core i7-7700

$349.95

Core i5-8400 is $151.00 cheaper.

Core i5-8400Core i7-7700

LGA1151

Sockethelp

LGA1151

Coffee Lake

Codenamehelp

Kaby Lake

Desktop

Segmenthelp

Desktop

UHD Graphics 630

Integrated GPUhelp

HD 630

2666 MHz (DDR4)

RAMhelp

2400 MHz (DDR4)

Not Overclockable

Overclock Supporthelp

Not Overclockable

Frequently Asked Questions

compare_arrowsWhich is better, Core i5-8400 or Core i7-7700?expand_more

Neither, they're within 1% of each other across 100+ games. Pick based on price, availability, or platform compatibility.

aspect_ratioWhich is better for 1440p and 4K gaming, Core i5-8400 or Core i7-7700?expand_more

They trade blows depending on the game. Toggle the resolution selector above to compare per-game FPS at 1440p and 4K.

differenceWhat is the difference between Core i5-8400 and Core i7-7700?expand_more

Performance: Core i5-8400 scores 30/100, Core i7-7700 scores 30/100. They also differ in core count, clock speeds, L3 cache, and power draw. Full breakdown in the specs section above.

compressWill the Core i5-8400 or Core i7-7700 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 i5-8400 or Core i7-7700?expand_more

Both are solid choices. Compare your current CPU against each one to see the exact FPS gain.