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Intel Core i5-7400 vs Core i7-2600K

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These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Physics Score

Core i5-7400 6890 points
Core i7-2600K 4950 points
Difference: 1940 (39%)

Specification Charts

Combined Speed (all threads combined)

Core i7-2600K 27.2 GT/s
Core i5-7400 12 GT/s
Difference: 15.2 (127%)

Core Speed

Core i7-2600K 3.4 GHz
Core i5-7400 3.0 GHz
Difference: 0.4 (13%)


Core i7-2600K 8
Core i5-7400 4
Difference: 4 (100%)


Core i7-2600K 95 Watts
Core i5-7400 65 Watts
Difference: 30 (46%)

Price Comparison

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Core i5-7400

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Display Specifications

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Model Core i5-7400 Core i7-2600K
Manufacturer Intel Intel
Architecture Kaby Lake-S (14 nm) Sandy Bridge
Core Speed 3.0 GHz 3.4 GHz
Hyperthreading No Yes
Cores / Modules 4 4
Total Threads 4 8
Turbo 3.5 GHz 1/2/3/4
L2 Cache 4 x 256 KB 4 x 256 KB
L3 Cache 6 MB 8 MB
GPU Model HD Graphics 630 HD Graphics 3000
TDP 65 Watts 95 Watts
Socket LGA 1151 LGA 1155
Released January 2017 2011-01-01