Intel Core i3-8100 vs Intel Core i5-6400

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i3-8100 or Intel Core i3-8100 – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i3-8100 features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q4/2017 and belongs to the 8 generation of the Intel Core i3 series.
To use the Intel Core i3-8100, you'll need a motherboard with a LGA 1151-2 socket.
The Intel Core i5-6400 features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q3/2015 and belongs to the 6 generation of the Intel Core i5 series.
To use the Intel Core i5-6400, you'll need a motherboard with a LGA 1151 socket.
Intel Core i 8000 Group Intel Core i 6000
8 Generation 6
Desktop / Server Segment Desktop / Server
Intel Core i3-8100 Name Intel Core i5-6400
Intel Core i3 Family Intel Core i5
 
 

CPU Cores and Base Frequency

The Intel Core i3-8100 has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the Intel Core i3-8100 is 3.6 GHz
The Intel Core i5-6400 has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the Intel Core i5-6400 is 2.7 GHz
and turbo frequency for one core is 3.3 GHz.
4 Threads 4
normal Core architecture normal
No Hyperthreading No
No Overclocking No
4x Cores 4x
4 CPU Cores 4
None None 3.3 GHz
3.6 GHz Frequency 2.7 GHz
None None 3.0 GHz
 
 

Internal Graphics

The Intel Core i3-8100 has integrated graphics, called iGPU for short.
Specifically, the Intel Core i3-8100 uses the Intel UHD Graphics 630, which has 192 texture shaders
and 24 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i5-6400 has integrated graphics, called iGPU for short.
Specifically, the Intel Core i5-6400 uses the Intel HD Graphics 530, which has 192 texture shaders
192 Shaders 192
Q4/2017 Release date Q3/2015
14 nm Technology 14 nm
12 Direct X 12
64.0 GB Max. GPU Memory 32.0 GB
-- Max. displays --
24 Execution units 24
0.35 GHz GPU frequency 0.35 GHz
9.5 Generation 9
1.1 GHz GPU (Turbo) 1.15 GHz
Intel UHD Graphics 630 GPU name Intel HD Graphics 530
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
Decode / Encode VP8 Decode / Encode
Decode VC-1 Decode
Decode / Encode JPEG Decode / Encode
No AV1 No
Decode / Encode h265 / HEVC (8 bit) Decode / Encode
Decode / Encode AVC Decode / Encode
Decode / Encode h264 Decode / Encode
Decode / Encode VP9 Decode
Decode / Encode h265 / HEVC (10 bit) Decode
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 38.4 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
The processor supports a maximum memory capacity of 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 34.1 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
pci PCIe pci
Yes AES-NI Yes
DDR4-2400 Memory type DDR4-2133, DDR3-1600
Yes ECC No
64.0 GB Max. Memory 64.0 GB
2 Memory channels 2
38.4 GB/s Bandwidth 34.1 GB/s
 
 

Thermal Management

The processor has a thermal design power (TDP) of 65 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
65 W TDP (PL1 / PBP) 65 W
100 °C Tjunction max --
 
 

Technical details

The Intel Core i3-8100 is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 6.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i5-6400 is manufactured using a 14 nm process.
Q4/2017 Release date Q3/2015
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
14 nm Technology 14 nm
Monolithic Chip design Monolithic
117 $ Release price --
Coffee Lake S Architecture Skylake S
6.0 MB L3-Cache 6.0 MB
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
LGA 1151-2 Socket LGA 1151
0 bytes L2-Cache 0 bytes
 
 

Benchmarks

Geekbench 3, 64bit (Multi-Core)

Intel Core i3-8100
4C 4T @ 3.6 GHz
12193
12193
Intel Core i5-6400
4C 4T @ 2.7 GHz
10070
10070

Geekbench 3, 64bit (Single-Core)

Intel Core i3-8100
4C 4T @ 3.6 GHz
3834
3834
Intel Core i5-6400
4C 4T @ 2.7 GHz
3502
3502

Geekbench 6 (Multi-Core)

Intel Core i3-8100
4C 4T @ 3.6 GHz
3627
3627
Intel Core i5-6400
4C 4T @ 2.7 GHz
3086
3086

Geekbench 5, 64bit (Multi-Core)

Intel Core i3-8100
4C 4T @ 3.6 GHz
3134
3134
Intel Core i5-6400
4C 4T @ 2.7 GHz
2706
2706

V-Ray CPU-Render Benchmark

Intel Core i3-8100
4C 4T @ 3.6 GHz
2660
2660
Intel Core i5-6400
4C 4T @ 2.7 GHz
2254
2254

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i3-8100
4C 4T @ 3.6 GHz
1579
1579
Intel Core i5-6400
4C 4T @ 2.7 GHz
1360
1360

Cinebench R20 (Multi-Core)

Intel Core i3-8100
4C 4T @ 3.6 GHz
1444
1444
Intel Core i5-6400
4C 4T @ 2.7 GHz
1061
1061

Geekbench 6 (Single-Core)

Intel Core i3-8100
4C 4T @ 3.6 GHz
1265
1265
Intel Core i5-6400
4C 4T @ 2.7 GHz
1134
1134

Cinebench R15 (Multi-Core)

Intel Core i3-8100
4C 4T @ 3.6 GHz
616
616
Intel Core i5-6400
4C 4T @ 2.7 GHz
497
497

Cinebench R20 (Single-Core)

Intel Core i3-8100
4C 4T @ 3.6 GHz
364
364
Intel Core i5-6400
4C 4T @ 2.7 GHz
275
275