Intel Core i9 14900KF vs Intel Core i5 8400T
CPU · Specs Compare
General Parameters
Release Date
Oct 2023
Apr 2018
Manufacturer
Intel
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Raptor Lake Refresh
Coffee Lake
Processor Number
i9-14900KF
i5-8400T
Integrated Graphics
No
UHD Graphics 630
Generation
Core i9 (Raptor Lake Refresh)
—
Package
Manufacturing Process
10 nm
14 nm
Socket
LGA-1700
LGA-1151
Power Consumption
125 W
35 W
Max Turbo Power Consumption
253 W
—
Peak Operating Temperature
100°C
100 °C
Foundry
Intel
—
Die Size
257 mm²
—
Package
FC-LGA16A
—
CPU Performance
Performance Cores
8
6
Performance Core Threads
16
6
Performance Core Base Frequency
3.2 GHz
1.7 GHz
Performance Core Turbo Frequency
6 GHz
3.3 GHz
Efficiency Cores
16
—
Efficiency Core Threads
16
—
Efficiency Core Base Frequency
2.4 GHz
—
Efficiency Core Turbo Frequency
4.4 GHz
—
Total Core Count
24
6
Total Thread Count
32
6
Bus Frequency
100 MHz
100 MHz
Multiplier
32x
17x
L1 Cache
80 K per core
64 K per core
L2 Cache
2 MB per core
256 K per core
L3 Cache
36 MB shared
9 MB shared
Unlocked Multiplier
Yes
No
SMP
1
—
Memory Parameters
Memory Types
DDR5-5600, DDR4-3200
DDR4-2666
Max Memory Size
192 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
89.6 GB/s
41.6 GB/s
ECC Memory Support
Yes
No
Miscellaneous
PCIe Version
5.0
3.0
PCIe Lanes
20
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
2,358
774
Cinebench R23
38,497
3,638
Geekbench 6
3,176
1,120
Geekbench 6
22,411
3,670
Cinebench 2024
139
—
Cinebench 2024
2,177
—
Blender
670
—
Passmark CPU
4,722
1,917
Passmark CPU
60,232
7,447
▲ Specs Compare
Data sourced from official specifications and benchmark tests.