Intel Core i5 8400T vs Intel Core i9 11900KF
CPU · Specs Compare
General Parameters
Release Date
Apr 2018
Mar 2021
Manufacturer
Intel
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Coffee Lake
Rocket Lake
Processor Number
i5-8400T
i9-11900KF
Integrated Graphics
UHD Graphics 630
No
Package
Manufacturing Process
14 nm
14 nm
Socket
LGA-1151
LGA-1200
Power Consumption
35 W
125 W
Peak Operating Temperature
100 °C
100°C
CPU Performance
Performance Cores
6
8
Performance Core Threads
6
16
Performance Core Base Frequency
1.7 GHz
3.5 GHz
Performance Core Turbo Frequency
3.3 GHz
5.3 GHz
Total Core Count
6
8
Total Thread Count
6
16
Bus Frequency
100 MHz
100 MHz
Multiplier
17x
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
16 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
50 GB/s
ECC Memory Support
No
No
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
20
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2
—
Benchmark
Cinebench R23
774
1,653
Cinebench R23
3,638
14,197
Geekbench 6
1,120
2,536
Geekbench 6
3,670
10,374
Passmark CPU
1,917
3,557
Passmark CPU
7,447
25,246
Geekbench 5
—
1,768
Geekbench 5
—
10,209
Blender
—
218
▲ Specs Compare
Data sourced from official specifications and benchmark tests.