Intel Core i5-7400 vs Intel Core i5-2500K

Intel Core i5-7400
Intel Socket 1151DESKTOP
3300 MHz / Cores: 4 / Sep 2016
Intel Core i5-7400
Intel Core i5-2500K
Intel Socket 1155DESKTOP
3300 MHz / Cores: 4 / Jan 2011
Intel Core i5-2500K

Summary

Synthetic performance index

  • Intel Core i5-7400
    117%
  • Intel Core i5-2500K
    100%

Relative performance

Single thread performance index

  • Intel Core i5-7400
    121%
  • Intel Core i5-2500K
    100%

Relative performance

Multi thread performance index

  • Intel Core i5-7400
    116%
  • Intel Core i5-2500K
    100%

Relative performance

Reasons to consider Intel Core i5-7400

Much higher single threaded performance (around 21% higher), makes a noticeable performance difference in gaming and the majority of applications.
16% higher multi threaded performance.
This is a newer product, it might have better application compatibility/performance (check features chart below).
Around 17% higher average synthetic performance.

Reasons to consider Intel Core i5-2500K

None

Intel Core i5-7400

Gaming

HWBench recommends Intel Core i5-7400

Based on game and synthetic benchmarks, and theoretical specifications.

No winner

Productivity

No clear winner declared



Specifications

Features

Intel Core i5-7400Intel Core i5-2500K
MMX
SSE
SSE2
SSE3
SSSE3
SSE4.2
AVX
AVX2
EIST
Intel 64
XD bit
VT-x
VT-d
AES-NI
TSX
TXT
CLMUL
FMA3
F16C
BMI1
BMI2
vPro
Boost 2.0

Architecture

Intel Core i5-7400Intel Core i5-2500K
ArchitectureIntel_KabylakevsIntel_SandyBridge
MarketDesktopvsDesktop
Memory SupportDDR4vsDDR3
CodenameKaby LakevsSandy Bridge
Release DateSep 2016vsJan 2011

Cores

Intel Core i5-7400Intel Core i5-2500K
Cores4vs4
Threads4vs4
SMPs1vs1
Integrated GraphicsIntel HD Graphics 630vsIntel HD 3000

Cache

Intel Core i5-7400Intel Core i5-2500K
L1 Cache64 KB (per core)vs64 KB (per core)
L2 Cache256 KB (per core)vs256 KB (per core)
L3 Cache6144 KB (shared)vs6144 KB (shared)

Physical

Intel Core i5-7400Intel Core i5-2500K
SocketIntel Socket 1151vsIntel Socket 1155
Max Case Temp72°Cvsunknown
PackagevsFC-LGA10
Die Sizeunknownvs216mm²
Process14 nmvs32 nm

Performance

Intel Core i5-7400Intel Core i5-2500K
Cpu Frequency3300 MHzvs3300 MHz
Turbo Clocknonevs3700 MHz
Base Clock100 MHzvs100 MHz
Voltageunknownvsunknown
TDP65 Wvs95 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i5-7400
    3960 points
  • Intel Core i5-2500K
    3700 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i5-7400
    15840 points
  • Intel Core i5-2500K
    13200 points

Points - higher is better

Synthetic benchmarks

Rendering: POV-Ray 3.7

  • Intel Core i5-7400
    1365
  • Intel Core i5-2500K
    978

points per second - higher is better

7-zip

  • Intel Core i5-7400
    14682
  • Intel Core i5-2500K
    13782

MIPS - higher is better

3D Particle Movement (Multi Threaded)

  • Intel Core i5-7400
    352.96
  • Intel Core i5-2500K
    343.11

points - higher is better

Cinebench R15 CPU Multi 64Bit

  • Intel Core i5-7400
    549
  • Intel Core i5-2500K
    470

points - higher is better

Cinebench R15 CPU Single 64Bit

  • Intel Core i5-7400
    148
  • Intel Core i5-2500K
    122

points - higher is better