Intel Core i5-11400 vs Intel Core i7-6700K

Intel Core i5-11400
Intel Socket 1200DESKTOP
2600 MHz / Cores: 6 / Mar 2021
Intel Core i5-11400
Intel Core i7-6700K
Intel Socket 1151DESKTOP
4000 MHz / Cores: 4 / Aug 2015
Intel Core i7-6700K

Summary

Reasons to consider Intel Core i5-11400

This is a newer product, it might have better application compatibility/performance (check features chart below).
Higher theoretical single-threaded performance, based on raw specifications plus core architecture.

Reasons to consider Intel Core i7-6700K

None

No winner

Gaming

No clear winner declared


No winner

Productivity

No clear winner declared



Specifications

Features

Intel Core i5-11400Intel Core i7-6700K
MMX
SSE
SSE2
SSE3
SSSE3
SSE4.2
AVX
AVX2
AVX512F
FMA3
SHA
EIST
Intel 64
XD bit
VT-x
VT-d
AES-NI
TSX
TXT
CLMUL
F16C
BMI1
BMI2
ABM
ADX
RdRand
TBT 2.0
TBT 3.0
HTT
Boost 2.0

Architecture

Intel Core i5-11400Intel Core i7-6700K
ArchitectureIntel Rocket LakevsIntel_Skylake
MarketDesktopvsDesktop
Memory SupportDDR4-3200 MHz Dual-channelvsDDR4
CodenameRocket LakevsSkylake
Release DateMar 2021vsAug 2015

Cores

Intel Core i5-11400Intel Core i7-6700K
Cores6vs4
Threads12vs8
SMPs1vs1
Integrated GraphicsUHD Graphics 730vsHD Graphics 530

Cache

Intel Core i5-11400Intel Core i7-6700K
L1 Cache64K (per core)vs64 KB (per core)
L2 Cache256K (per core)vs256 KB (per core)
L3 Cache12MB (shared)vs8192 KB (shared)

Physical

Intel Core i5-11400Intel Core i7-6700K
SocketIntel Socket 1200vsIntel Socket 1151
Max Case Temp72°Cvs72°C
PackageFC-LGA1200vs
Die Sizeunknownvsunknown
Process14 nmvs14 nm

Performance

Intel Core i5-11400Intel Core i7-6700K
Cpu Frequency2600 MHzvs4000 MHz
Turbo Clock4400 MHzvs4200 MHz
Base Clock100 MHzvs100 MHz
VoltageN/Avsunknown
TDP65 Wvs95 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i5-11400
    5280 points
  • Intel Core i7-6700K
    4830 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i5-11400
    22464 points
  • Intel Core i7-6700K
    22264 points

Points - higher is better