Intel Core Ultra 5 250KF Plus vs Intel Core i5 8400
CPU · Specs Compare
General Parameters
Release Date
Mar 2026
Oct 2017
Manufacturer
Intel
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Coffee Lake
Processor Number
250KF+
i5-8400
Integrated Graphics
No
UHD Graphics 630
Package
Transistor Count
17.8 billions
—
Manufacturing Process
3 nm
14 nm
Socket
FCLGA-1851
LGA-1151
Power Consumption
125 W
65 W
Max Turbo Power Consumption
159 W
—
Peak Operating Temperature
105 °C
100 °C
CPU Performance
Performance Cores
6
6
Performance Core Threads
6
6
Performance Core Base Frequency
4.2 GHz
2.8 GHz
Performance Core Turbo Frequency
5.3 GHz
4 GHz
Efficiency Cores
12
—
Efficiency Core Threads
12
—
Efficiency Core Base Frequency
3.3 GHz
—
Efficiency Core Turbo Frequency
4.6 GHz
—
Total Core Count
18
6
Total Thread Count
18
6
Bus Frequency
100 MHz
100 MHz
Multiplier
42
28x
L1 Cache
192 K per core
64 K per core
L2 Cache
3 MB per core
256 K per core
L3 Cache
30 MB shared
9 MB shared
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR5-7200
DDR4-2666
Max Memory Bandwidth
115.2 GB/s
41.6 GB/s
ECC Memory Support
Yes
No
Max Memory Size
—
128 GB
Max Memory Channels
—
2
Miscellaneous
PCIe Version
5.0
3.0
PCIe Lanes
24
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
2,335
1,026
Cinebench R23
29,012
5,798
Geekbench 6
3,219
1,298
Geekbench 6
21,115
4,677
Cinebench 2024
140
—
Cinebench 2024
1,689
—
Cinebench 2026
7,413
—
Geekbench 5
—
1,032
Geekbench 5
—
4,611
Blender
—
83
Passmark CPU
—
2,387
Passmark CPU
—
9,214
▲ Specs Compare
Data sourced from official specifications and benchmark tests.