Intel Core i5-6400 Intel Core i3-8300
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Intel Core i5-6400 vs Intel Core i3-8300

Last updated:

Performance Overview
Average performance across multiple benchmarks

Single-core performance
Rank 2 - 84 %
Intel Core i5-6400
Rank 1 - 100 %
Intel Core i3-8300
Multi-core performance
Rank 2 - 81 %
Intel Core i5-6400
Rank 1 - 100 %
Intel Core i3-8300
Geekbench 6 Single-Core

Geekbench 6 Single-Core
Single-core performance

Intel Core i5-6400
4C / 4T · 3.30 GHz
1,134
Intel Core i3-8300
4C / 4T · 3.70 GHz
1,296
Geekbench 6 Multi-Core

Geekbench 6 Multi-Core
Multi-core performance

Intel Core i5-6400
4C / 4T · 3.00 GHz
3,086
Intel Core i3-8300
4C / 4T · 3.70 GHz
3,868
Geekbench 5, 64bit Single-Core

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

Intel Core i5-6400
4C / 4T · 3.30 GHz
841
Intel Core i3-8300
4C / 4T · 3.70 GHz
1,040
Geekbench 5, 64bit Multi-Core

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

Intel Core i5-6400
4C / 4T · 3.00 GHz
2,706
Intel Core i3-8300
4C / 4T · 3.70 GHz
3,425
iGPU - FP32 Performance (Single-precision GFLOPS)

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel Core i5-6400
Intel HD Graphics 530
365
Intel Core i3-8300
Intel UHD Graphics 630
442
Cinebench R15 (Single-Core)

Cinebench R15 (Single-Core)
Single-core performance

Intel Core i5-6400
4C / 4T · 3.30 GHz
140 cb
Intel Core i3-8300
4C / 4T · 3.70 GHz
158 cb
Cinebench R15 (Multi-Core)

Cinebench R15 (Multi-Core)
Multi-core performance

Intel Core i5-6400
4C / 4T · 3.00 GHz
497 cb
Intel Core i3-8300
4C / 4T · 3.70 GHz
633 cb

More benchmarks

At a glance

Wischen
Intel Core i5-6400Intel Core i3-8300
FamilyIntel Core i5 (336)Intel Core i3 (205)
CPU groupIntel Core i 6000 (24)Intel Core i 8000 (20)
ArchitectureSkylake SCoffee Lake S
Technology14 nm14 nm
SegmentDesktopDesktop
SocketLGA 1151LGA 1151-2
PredecessorIntel Core i3-7300
SuccessorIntel Core i5-7400Intel Core i3-9300

CPU Cores and Base Frequency

Wischen
Intel Core i5-6400Intel Core i3-8300
CPU Cores / Threads4 / 44 / 4
Hyperthreading / SMT
Core architecturenormalnormal
Cores: 4x 4x
Frequency: 2.70 GHz 3.70 GHz
Turbo (1 Core): 3.30 GHz
Turbo (All Cores): 3.00 GHz
L2-Cache
L3-Cache6.00 MB6.00 MB
Overclocking

Integrated graphics (iGPU)

Wischen
Intel Core i5-6400Intel Core i3-8300
GPU nameIntel HD Graphics 530Intel UHD Graphics 630
GPU frequency0.35 - 0.95 GHz0.35 - 1.15 GHz
CUs / Shader24 / 19224 / 192
Raytracing
Max. displays33
Max. GPU Memory32 GB64 GB
Technology14 nm14 nm
Release dateQ3/2015Q4/2017

NPU AI performance

Wischen
Intel Core i5-6400Intel Core i3-8300
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen
Intel Core i5-6400Intel Core i3-8300
MemoryDDR4-2133 (34.1 GB/s)
DDR3-1600 (25.6 GB/s)
DDR4-2400 (38.4 GB/s)
Max. Memory64 GB64 GB
Memory channels22
ECCNoYes
PCIe3.0 x 163.0 x 16
PCIe Bandwidth15.8 GB/s15.8 GB/s

Thermal Management

Wischen
Intel Core i5-6400Intel Core i3-8300
TDP65 W62 W
TDP (PL2)
TDP up
TDP down
T. junction max.100 °C

Technical details

Wischen
Intel Core i5-6400Intel Core i3-8300
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, AVX2SSE4.1, SSE4.2, AVX2
Release dateQ3/2015Q4/2017
Release price125 $
DocumentsTechnical data sheetTechnical data sheet

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core i5-6400 is 3.9 stars (32 ratings), while Intel Core i3-8300 has received 4.8 stars (4 ratings).

Click on the stars to rate one or both processors.

Intel Core i5-6400
Intel Core i5-6400
4C / 4T · 2.70 - 3.30 GHz
Intel Core i3-8300
Intel Core i3-8300
4C / 4T · 3.70 GHz

Most popular CPUs in both categories

Intel Core i5-6400
Intel Core i5-6400
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