AMD Ryzen 9 3900XT vs Intel Core i5 8400T
CPU · Specs Compare
General Parameters
Release Date
Jul 2020
Apr 2018
Manufacturer
AMD
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 2 (Matisse)
Coffee Lake
Integrated Graphics
No
UHD Graphics 630
Processor Number
—
i5-8400T
Package
Transistor Count
3.8 billions
—
Manufacturing Process
7 nm
14 nm
Socket
AM4
LGA-1151
Power Consumption
105 W
35 W
Peak Operating Temperature
95°C
100 °C
CPU Performance
Performance Cores
12
6
Performance Core Threads
24
6
Performance Core Base Frequency
3.8 GHz
1.7 GHz
Performance Core Turbo Frequency
4.7 GHz
3.3 GHz
Total Core Count
12
6
Total Thread Count
24
6
Bus Frequency
100 MHz
100 MHz
Multiplier
38x
17x
L1 Cache
64 K per core
64 K per core
L2 Cache
512 K per core
256 K per core
L3 Cache
64 MB shared
9 MB shared
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR4-3200
DDR4-2666
Max Memory Size
128 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
47.68 GB/s
41.6 GB/s
ECC Memory Support
Yes
No
Miscellaneous
PCIe Version
4.0
3.0
PCIe Lanes
24
16
Extended Instruction Set
—
SSE4.1, SSE4.2, AVX-2
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
Benchmark
Cinebench R23
1,350
774
Cinebench R23
18,437
3,638
Geekbench 6
1,763
1,120
Geekbench 5
1,311
—
Geekbench 6
11,025
3,670
Geekbench 5
12,279
—
Blender
261
—
Passmark CPU
2,769
1,917
Passmark CPU
32,856
7,447
▲ Specs Compare
Data sourced from official specifications and benchmark tests.