Share

Processor comparison

Intel Core i5-9400 vs Intel Core i7-3930K

Intel

Intel Core i5-9400

Intel Socket 1151 2900 MHz 6 cores Sep 2018 DESKTOP
Intel Core i5-9400
Intel

Intel Core i7-3930K

Intel Socket 2011 3200 MHz 6 cores Nov 2011 DESKTOP
Intel Core i7-3930K

Summary

Synthetic performance index

  • Intel Core i5-9400100%
  • Intel Core i7-3930K110%

Relative performance

Single thread performance index

  • Intel Core i5-9400115%
  • Intel Core i7-3930K100%

Relative performance

Multi thread performance index

  • Intel Core i5-9400100%
  • Intel Core i7-3930K134%

Relative performance

Reasons to consider the Intel Core i5-9400

  • 15% higher single threaded performance.
  • 65 watts lower power draw.
  • This is a newer product, it might have better application compatibility/performance (check features chart below).
  • Has an integrated GPU, which allows to run the system without a dedicated graphics card, unlike the Intel Core i7-3930K.

Reasons to consider the Intel Core i7-3930K

  • Much higher multi threaded performance (around 34% higher). This allows for higher performance in professional applications like encoding or heavy multitasking.
No winner
Gaming

No clear winner declared

Intel Core i7-3930K
Productivity

HWSpot recommends the Intel Core i7-3930K

Based on productivity benchmarks, overall multithreaded performance and theoretical specifications.

Specifications

Features

Intel Core i5-9400Intel Core i7-3930K
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
Boost 2.0
Hyper-Threading

Architecture

Intel Core i5-9400Intel Core i7-3930K
ArchitectureIntel_CoffelakeIntel_SandyBridge
MarketDesktopDesktop
Memory SupportDDR4DDR3
CodenameCoffee LakeSandy Bridge-E
Release DateSep 2018Nov 2011

Cores

Intel Core i5-9400Intel Core i7-3930K
Cores66
Threads612
SMPs11
Integrated GraphicsUHD Graphics 630No

Cache

Intel Core i5-9400Intel Core i7-3930K
L1 Cache64 KB (per core)64 KB (per core)
L2 Cache256 KB (per core)256 KB (per core)
L3 Cache9216 KB (shared)12288 KB (shared)

Physical

Intel Core i5-9400Intel Core i7-3930K
SocketIntel Socket 1151Intel Socket 2011
Max Case Temp72°C67°C
PackageFC-LGA1151FC-LGA10
Die Sizeunknown435mm²
Process14 nm32 nm

Performance

Intel Core i5-9400Intel Core i7-3930K
Cpu Frequency2900 MHz3200 MHz
Turbo Clock4100 MHz3800 MHz
Base Clock100 MHz100 MHz
Voltagevariable1.35 V
TDP65 W130 W

Raw performance index

Raw single-thread performance estimation

  • Intel Core i5-94004920 points
  • Intel Core i7-3930K3800 points

Points - higher is better

Raw multi-thread performance estimation

  • Intel Core i5-940020880 points
  • Intel Core i7-3930K23040 points

Points - higher is better

Synthetic benchmarks

Cinebench R15 CPU Single 64Bit

  • Intel Core i5-9400 (simulated)178.3
  • Intel Core i7-3930K (simulated)154.92

points - higher is better

Cinebench R15 CPU Multi 64Bit

  • Intel Core i5-9400 (simulated)836.17
  • Intel Core i7-3930K (simulated)1122.91

points - higher is better

Similar comparisons

Intel Core i5-9400 vs AMD Ryzen 3 PRO 4350GE Intel Core i5-9400 AMD Ryzen 3 PRO 4350GE Intel Core i5-9400 vs AMD Ryzen 3 4300GE Intel Core i5-9400 AMD Ryzen 3 4300GE Intel Core i7-3930K vs AMD Ryzen 3 5300G Intel Core i7-3930K AMD Ryzen 3 5300G Intel Core i7-3930K vs Intel Core i5-11400 Intel Core i7-3930K Intel Core i5-11400 Intel Core i7-11800H vs Intel Core i7-11700 Intel Core i7-11800H Intel Core i7-11700 Intel Core i7-11700 vs Intel Core i7-11700F Intel Core i7-11700 Intel Core i7-11700F