Intel Core i5 8400 vs AMD Ryzen 9 3950X
CPU · Specs Compare
General Parameters
Release Date
Oct 2017
Nov 2019
Manufacturer
Intel
AMD
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Coffee Lake
Zen 2
Processor Number
i5-8400
—
Integrated Graphics
UHD Graphics 630
N/A
Package
Manufacturing Process
14 nm
7 nm
Socket
LGA-1151
AM4
Power Consumption
65 W
105 W
Peak Operating Temperature
100 °C
—
Transistor Count
—
3.8 billions
CPU Performance
Performance Cores
6
16
Performance Core Threads
6
32
Performance Core Base Frequency
2.8 GHz
3.5 GHz
Performance Core Turbo Frequency
4 GHz
4.7 GHz
Total Core Count
6
16
Total Thread Count
6
32
Bus Frequency
100 MHz
100 MHz
Multiplier
28x
35x
L1 Cache
64 K per core
64 K per core
L2 Cache
256 K per core
512 K per core
L3 Cache
9 MB shared
64 MB shared
Unlocked Multiplier
No
Yes
Memory Parameters
Memory Types
DDR4-2666
DDR4-3200
Max Memory Size
128 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
41.6 GB/s
47.68 GB/s
ECC Memory Support
No
Yes
Graphics Card Parameters
Integrated Graphics
true
—
GPU Base Frequency
350 MHz
—
GPU Max Dynamic Frequency
1050 MHz
—
Shader Units
192
—
Texture Units
24
—
Raster Operation Units
3
—
Execution Units
24
—
Power Consumption
15 W
—
Max Resolution
4096x2304 - 60 Hz
—
Miscellaneous
PCIe Version
3.0
4.0
PCIe Lanes
16
16
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
—
Benchmark
Cinebench R23
1,026
1,349
Cinebench R23
5,798
24,396
Geekbench 6
1,298
1,709
Geekbench 5
1,032
—
Geekbench 6
4,677
11,656
Geekbench 5
4,611
—
Blender
83
—
Passmark CPU
2,387
2,692
Passmark CPU
9,214
38,953
Cinebench 2024
—
72
Cinebench 2024
—
1,325
▲ Specs Compare
Data sourced from official specifications and benchmark tests.