Home Comparison Intel Core i5 14600K vs Intel Core i5 8400

Intel Core i5 14600K vs Intel Core i5 8400

Intel Core i5 14600K
VS
Intel Core i5 8400
Intel Core i5 14600K
Intel Core i5 8400
We compared two desktop CPUs: Intel Core i5 14600K with 14 cores 3.5GHz and Intel Core i5 8400 with 6 cores 2.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 14600K 's Advantages
Released 6 years late
Better graphics card performance
Higher specification of memory (5600 vs 2666)
Larger memory bandwidth (89.6GB/s vs 41.6GB/s)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (3.5GHz vs 2.8GHz)
Larger L3 cache size (24MB vs 9MB)
More modern manufacturing process (10nm vs 14nm)
Intel Core i5 8400 's Advantages
Lower TDP (65W vs 125W)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i5 14600K +101%
2072
Intel Core i5 8400
1026
Cinebench R23 Multi Core
Intel Core i5 14600K +313%
23983
Intel Core i5 8400
5798
Geekbench 6 Single Core
Intel Core i5 14600K +113%
2772
Intel Core i5 8400
1298
Geekbench 6 Multi Core
Intel Core i5 14600K +268%
17217
Intel Core i5 8400
4677
Blender
Intel Core i5 14600K +340%
366
Intel Core i5 8400
83
Geekbench 5 Single Core
Intel Core i5 14600K +114%
2217
Intel Core i5 8400
1032
Geekbench 5 Multi Core
Intel Core i5 14600K +314%
19125
Intel Core i5 8400
4611
Passmark CPU Single Core
Intel Core i5 14600K +80%
4299
Intel Core i5 8400
2387
Passmark CPU Multi Core
Intel Core i5 14600K +328%
39465
Intel Core i5 8400
9214
Intel Core i5 14600K
VS
Intel Core i5 8400

General Parameters

Oct 2023
Release Date
Oct 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Raptor Lake Refresh
Core Architecture
Coffee Lake
i5-14600K
Processor Number
i5-8400
LGA-1700
Socket
LGA-1151
UHD Graphics 770
Integrated Graphics
UHD Graphics 630
Core i5 (Raptor Lake Refresh)
Generation
-

Package

10 nm
Manufacturing Process
14 nm
125 W
Power Consumption
65 W
181 W
Max Turbo Power Consumption
-
100°C
Peak Operating Temperature
100 °C
Intel
Foundry
-
257 mm²
Die Size
-

CPU Performance

6
Performance Cores
6
12
Performance Core Threads
6
3.5 GHz
Performance Core Base Frequency
2.8 GHz
5.3 GHz
Performance Core Turbo Frequency
4 GHz
8
Efficiency Cores
-
8
Efficiency Core Threads
-
2.6 GHz
Efficiency Core Base Frequency
-
4 GHz
Efficiency Core Turbo Frequency
-
14
Total Core Count
6
20
Total Thread Count
6
100 MHz
Bus Frequency
100 MHz
35x
Multiplier
28x
80 K per core
L1 Cache
64 K per core
2 MB per core
L2 Cache
256 K per core
24 MB shared
L3 Cache
9 MB shared
Yes
Unlocked Multiplier
No
1
SMP
-

Memory Parameters

DDR5-5600, DDR4-3200
Memory Types
DDR4-2666
192 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
89.6 GB/s
Max Memory Bandwidth
41.6 GB/s
Yes
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
300 MHz
GPU Base Frequency
350 MHz
1550 MHz
GPU Max Dynamic Frequency
1050 MHz
256
Shader Units
192
16
Texture Units
24
8
Raster Operation Units
3
32
Execution Units
24
15 W
Power Consumption
15 W
-
Max Resolution
4096x2304 - 60 Hz
0.78 TFLOPS
Graphics Performance
0.38 TFLOPS

Miscellaneous

Intel Core i5 14600K
Official Website
Intel Core i5 8400
5.0
PCIe Version
3.0
20
PCIe Lanes
16
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2

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