Intel Core i5 8400 vs Intel Core i3 8100
We compared two desktop CPUs: Intel Core i5 8400 with 6 cores 2.8GHz and Intel Core i3 8100 with 4 cores 3.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i5 8400 's Advantages
Higher specification of memory (2666 vs 2400)
Larger memory bandwidth (41.6GB/s vs 37.5GB/s)
Larger L3 cache size (9MB vs 6MB)
Intel Core i3 8100 's Advantages
Higher base frequency (3.6GHz vs 2.8GHz)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i5 8400
+9%
1026
Intel Core i3 8100
936
Cinebench R23 Multi Core
Intel Core i5 8400
+61%
5798
Intel Core i3 8100
3597
Geekbench 6 Single Core
Intel Core i5 8400
+6%
1298
Intel Core i3 8100
1223
Geekbench 6 Multi Core
Intel Core i5 8400
+28%
4677
Intel Core i3 8100
3646
Blender
Intel Core i5 8400
+33%
83
Intel Core i3 8100
62
Geekbench 5 Single Core
Intel Core i5 8400
+9%
1032
Intel Core i3 8100
946
Geekbench 5 Multi Core
Intel Core i5 8400
+39%
4611
Intel Core i3 8100
3315
Passmark CPU Single Core
Intel Core i5 8400
+7%
2387
Intel Core i3 8100
2224
Passmark CPU Multi Core
Intel Core i5 8400
+49%
9214
Intel Core i3 8100
6158
General Parameters
Oct 2017
Release Date
Oct 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Coffee Lake
i5-8400
Processor Number
i3-8100
LGA-1151
Socket
LGA-1151
UHD Graphics 630
Integrated Graphics
UHD Graphics 630
Package
14 nm
Manufacturing Process
14 nm
65 W
Power Consumption
65 W
100 °C
Peak Operating Temperature
100 °C
CPU Performance
6
Performance Cores
4
6
Performance Core Threads
4
2.8 GHz
Performance Core Base Frequency
3.6 GHz
4 GHz
Performance Core Turbo Frequency
-
6
Total Core Count
4
6
Total Thread Count
4
100 MHz
Bus Frequency
100 MHz
28x
Multiplier
28x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
256 K per core
9 MB shared
L3 Cache
6 MB shared
No
Unlocked Multiplier
No
Memory Parameters
DDR4-2666
Memory Types
DDR4-2400
128 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
41.6 GB/s
Max Memory Bandwidth
37.5 GB/s
No
ECC Memory Support
Yes
Graphics Card Parameters
true
Integrated Graphics
true
350 MHz
GPU Base Frequency
350 MHz
1050 MHz
GPU Max Dynamic Frequency
1100 MHz
192
Shader Units
192
24
Texture Units
24
3
Raster Operation Units
3
24
Execution Units
24
15 W
Power Consumption
15 W
4096x2304 - 60 Hz
Max Resolution
4096x2304 - 60 Hz
0.38 TFLOPS
Graphics Performance
0.38 TFLOPS
Miscellaneous
3.0
PCIe Version
3.0
16
PCIe Lanes
16
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
