Intel Core i5 10400F vs Intel Core Ultra 5 250KF Plus
CPU · Specs Compare
General Parameters
Release Date
May 2020
Mar 2026
Manufacturer
Intel
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Comet Lake
Arrow Lake
Processor Number
i5-10400F
250KF+
Integrated Graphics
N/A
No
Package
Manufacturing Process
14 nm
3 nm
Socket
LGA-1200
FCLGA-1851
Power Consumption
65 W
125 W
Peak Operating Temperature
100 °C
105 °C
Transistor Count
—
17.8 billions
Max Turbo Power Consumption
—
159 W
CPU Performance
Performance Cores
6
6
Performance Core Threads
12
6
Performance Core Base Frequency
2.9 GHz
4.2 GHz
Performance Core Turbo Frequency
4.3 GHz
5.3 GHz
Total Core Count
6
18
Total Thread Count
12
18
Bus Frequency
100 MHz
100 MHz
Multiplier
29x
42
L1 Cache
64 K per core
192 K per core
L2 Cache
256 K per core
3 MB per core
L3 Cache
12 MB shared
30 MB shared
Unlocked Multiplier
No
Yes
Efficiency Cores
—
12
Efficiency Core Threads
—
12
Efficiency Core Base Frequency
—
3.3 GHz
Efficiency Core Turbo Frequency
—
4.6 GHz
Memory Parameters
Memory Types
DDR4-2666
DDR5-7200
Max Memory Size
128 GB
—
Max Memory Channels
2
—
Max Memory Bandwidth
41.6 GB/s
115.2 GB/s
ECC Memory Support
No
Yes
Miscellaneous
PCIe Version
3.0
5.0
PCIe Lanes
16
24
Benchmark
Cinebench R23
1,101
2,335
Cinebench R23
7,576
29,012
Geekbench 6
1,459
3,219
Geekbench 5
1,101
—
Geekbench 6
6,209
21,115
Geekbench 5
6,041
—
Blender
143
—
Passmark CPU
2,551
—
Passmark CPU
12,350
—
Cinebench 2024
—
140
Cinebench 2024
—
1,689
Cinebench 2026
—
7,413
▲ Specs Compare
Data sourced from official specifications and benchmark tests.