Intel Core i9 11900K vs Intel Core i5 6400
CPU Specs Compare
General Parameters
Release Date
Mar 2021
Sep 2015
Manufacturer
Intel
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Rocket Lake
Skylake
Processor Number
i9-11900K
i5-6400
Integrated Graphics
UHD Graphics 750
HD Graphics 530
Package
Manufacturing Process
14 nm
14 nm
Socket
LGA-1200
LGA-1151
Power Consumption
125 W
65 W
Peak Operating Temperature
100°C
-
CPU Performance
Performance Cores
8
4
Performance Core Threads
16
4
Performance Core Base Frequency
3.5 GHz
2.7 GHz
Performance Core Turbo Frequency
5.3 GHz
3.3 GHz
Total Core Count
8
4
Total Thread Count
16
4
Bus Frequency
100 MHz
100 MHz
Multiplier
35x
27x
L1 Cache
64 K per core
64 K per core
L2 Cache
512 K per core
256 K per core
L3 Cache
16 MB shared
6 MB shared
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR4-3200
DDR4-2133, DDR3L-1600
Max Memory Size
128 GB
64 GB
Max Memory Channels
2
2
Max Memory Bandwidth
50 GB/s
34.1 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
-
GPU Max Dynamic Frequency
1300 MHz
950 MHz
Shader Units
256
-
Texture Units
64
-
Raster Operation Units
32
-
Execution Units
32
-
Power Consumption
15 W
-
Max Resolution
3840x2160 - 60 Hz
-
Miscellaneous
📊 Benchmark
Cinebench R23
1,653
898
Cinebench R23
16,211
3,214
Geekbench 6
2,492
1,143
Geekbench 5
1,829
853
Geekbench 6
11,197
3,312
Geekbench 5
11,033
2,805
Blender
205
49
Passmark CPU
3,520
1,961
Passmark CPU
25,343
5,151