Intel Core i7-3970X Intel Core i5-9400
VS

Intel Core i7-3970X vs Intel Core i5-9400

Last updated:

Performance Overview
Average performance across multiple benchmarks

Single-core performance
Rank 2 - 65 %
Intel Core i7-3970X
Rank 1 - 100 %
Intel Core i5-9400
Multi-core performance
Rank 2 - 91 %
Intel Core i7-3970X
Rank 1 - 100 %
Intel Core i5-9400
Geekbench 6 Single-Core

Geekbench 6 Single-Core
Single-core performance

Intel Core i7-3970X
6C / 12T · 4.00 GHz
742
Intel Core i5-9400
6C / 6T · 4.10 GHz
1,346
Geekbench 6 Multi-Core

Geekbench 6 Multi-Core
Multi-core performance

Intel Core i7-3970X
6C / 12T · 4.00 GHz
3,512
Intel Core i5-9400
6C / 6T · 3.90 GHz
5,164
Geekbench 5, 64bit Single-Core

Geekbench 5, 64bit Single-Core
Single-core performance

Intel Core i7-3970X
6C / 12T · 4.00 GHz
812
Intel Core i5-9400
6C / 6T · 4.10 GHz
1,085
Geekbench 5, 64bit Multi-Core

Geekbench 5, 64bit Multi-Core
Multi-core performance

Intel Core i7-3970X
6C / 12T · 4.00 GHz
4,981
Intel Core i5-9400
6C / 6T · 3.90 GHz
4,722
CPU-Z Benchmark 17 Multi-Core

CPU-Z Benchmark 17 Multi-Core
Multi-core performance

Intel Core i7-3970X
6C / 12T · 3.50 GHz
2,623
Intel Core i5-9400
6C / 6T · 2.90 GHz
2,585
Cinebench R15 (Single-Core)

Cinebench R15 (Single-Core)
Single-core performance

Intel Core i7-3970X
6C / 12T · 4.00 GHz
135 cb
Intel Core i5-9400
6C / 6T · 4.10 GHz
177 cb
Cinebench R15 (Multi-Core)

Cinebench R15 (Multi-Core)
Multi-core performance

Intel Core i7-3970X
6C / 12T · 4.00 GHz
1,065 cb
Intel Core i5-9400
6C / 6T · 3.90 GHz
987 cb

More benchmarks

At a glance

Wischen
Intel Core i7-3970XIntel Core i5-9400
FamilyIntel Core i7 Extreme Edition (24)Intel Core i5 (336)
CPU groupIntel Core i 3000X (4)Intel Core i 9000 (34)
ArchitectureSandy Bridge ECoffee Lake S Refresh
Technology32 nm14 nm
SegmentDesktopDesktop
SocketLGA 2011LGA 1151-2
PredecessorIntel Core i5-8400
SuccessorIntel Core i5-10400

CPU Cores and Base Frequency

Wischen
Intel Core i7-3970XIntel Core i5-9400
CPU Cores / Threads6 / 126 / 6
Hyperthreading / SMT
Core architecturenormalnormal
Cores: 6x 6x
Frequency: 3.50 GHz 2.90 GHz
Turbo (1 Core): 4.00 GHz 4.10 GHz
Turbo (All Cores): 4.00 GHz 3.90 GHz
L2-Cache
L3-Cache15.00 MB9.00 MB
Overclocking

Integrated graphics (iGPU)

Wischen
Intel Core i7-3970XIntel Core i5-9400
GPU nameno iGPUIntel UHD Graphics 630
GPU frequency0.35 - 1.05 GHz
CUs / Shader / 24 / 192
Raytracing
Max. displays3
Max. GPU Memory64 GB
Technology14 nm
Release dateQ4/2017

NPU AI performance

Wischen
Intel Core i7-3970XIntel Core i5-9400
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen
Intel Core i7-3970XIntel Core i5-9400
MemoryDDR3-1600 (51.2 GB/s)
DDR4-2666 (42.7 GB/s)
Max. Memory64 GB128 GB
Memory channels42
ECCNoNo
PCIe2.0 x 403.0 x 16
PCIe Bandwidth20.0 GB/s15.8 GB/s

Thermal Management

Wischen
Intel Core i7-3970XIntel Core i5-9400
TDP150 W65 W
TDP (PL2)
TDP up
TDP down
T. junction max.100 °C

Technical details

Wischen
Intel Core i7-3970XIntel Core i5-9400
Chip designMonolithicMonolithic
AES-NI
Operating systemsWindows 10, LinuxWindows 10, Windows 11, Linux
Instruction setx86-64 (64 bit)x86-64 (64 bit)
ISA extensionsSSE4.1, SSE4.2, AVXSSE4.1, SSE4.2, AVX2
Release dateQ4/2012Q2/2019
Release price820 $220 $
DocumentsTechnical data sheetTechnical data sheet

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core i7-3970X is 4.3 stars (7 ratings), while Intel Core i5-9400 has received 3.8 stars (41 ratings).

Click on the stars to rate one or both processors.

Intel Core i7-3970X
Intel Core i7-3970X
6C / 12T · 3.50 - 4.00 GHz
Intel Core i5-9400
Intel Core i5-9400
6C / 6T · 2.90 - 4.10 GHz

Most popular CPUs in both categories

Intel Core i7-3970X
Intel Core i7-3970X
Buy now on Amazon and save! Buy on Amazon