AMD Ryzen 9 9950X3D vs Intel Core i5 8400T
We compared two desktop CPUs: AMD Ryzen 9 9950X3D with 16 cores 4.3GHz and Intel Core i5 8400T with 6 cores 1.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
AMD Ryzen 9 9950X3D 's Advantages
Released 6 years and 11 months late
Better graphics card performance
Higher specification of memory (5600 vs 2666)
Larger memory bandwidth (82.3GB/s vs 41.6GB/s)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (4.3GHz vs 1.7GHz)
Larger L3 cache size (128MB vs 9MB)
More modern manufacturing process (4nm vs 14nm)
Intel Core i5 8400T 's Advantages
Lower TDP (35W vs 170W)
Score
Benchmark
Cinebench R23 Single Core
AMD Ryzen 9 9950X3D
+189%
2240
Intel Core i5 8400T
774
Cinebench R23 Multi Core
AMD Ryzen 9 9950X3D
+1064%
42369
Intel Core i5 8400T
3638
Geekbench 6 Single Core
AMD Ryzen 9 9950X3D
+210%
3473
Intel Core i5 8400T
1120
Geekbench 6 Multi Core
AMD Ryzen 9 9950X3D
+514%
22539
Intel Core i5 8400T
3670
Passmark CPU Single Core
AMD Ryzen 9 9950X3D
+146%
4731
Intel Core i5 8400T
1917
Passmark CPU Multi Core
AMD Ryzen 9 9950X3D
+840%
70009
Intel Core i5 8400T
7447
General Parameters
Mar 2025
Release Date
Apr 2018
Amd
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Zen 5 (Granite Ridge)
Core Architecture
Coffee Lake
9950X3D
Processor Number
i5-8400T
AM5
Socket
LGA-1151
Radeon Graphics
Integrated Graphics
UHD Graphics 630
Ryzen 9 (Zen 5 (Granite Ridge))
Generation
-
Package
16.6 billions
Transistor Count
-
4 nm
Manufacturing Process
14 nm
170 W
Power Consumption
35 W
230 W
Max Turbo Power Consumption
-
95 °C
Peak Operating Temperature
100 °C
TSMC
Foundry
-
2x70.6 mm²
Die Size
-
6 nm
I/O Process Size
-
122 mm²
I/O Die Size
-
CPU Performance
16
Performance Cores
6
32
Performance Core Threads
6
4.3 GHz
Performance Core Base Frequency
1.7 GHz
5.7 GHz
Performance Core Turbo Frequency
3.3 GHz
16
Total Core Count
6
32
Total Thread Count
6
100 MHz
Bus Frequency
100 MHz
43
Multiplier
17x
80 K per core
L1 Cache
64 K per core
1 MB per core
L2 Cache
256 K per core
128 MB shared
L3 Cache
9 MB shared
Yes
Unlocked Multiplier
No
1
SMP
-
Memory Parameters
DDR5-5600
Memory Types
DDR4-2666
192 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
82.3 GB/s
Max Memory Bandwidth
41.6 GB/s
Yes
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
400 MHz
GPU Base Frequency
350 MHz
2200 MHz
GPU Max Dynamic Frequency
1050 MHz
128
Shader Units
192
8
Texture Units
24
4
Raster Operation Units
3
2
Execution Units
24
15
Power Consumption
15 W
-
Max Resolution
4096x2304 - 60 Hz
0.6 TFLOPS
Graphics Performance
0.38 TFLOPS
Miscellaneous
5.0
PCIe Version
3.0
28
PCIe Lanes
16
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
