Intel Core i5 10400 vs Intel Core Ultra 7 355
CPU · Specs Compare
General Parameters
Release Date
May 2020
Jan 2026
Manufacturer
Intel
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Comet Lake
—
Processor Number
i5-10400
355
Integrated Graphics
UHD Graphics 630
Graphics 4 Xe3
Generation
—
Intel Core Ultra Series 3
Package
Manufacturing Process
14 nm
3 nm
Socket
LGA-1200
Custom
Power Consumption
65 W
15-25 W
Peak Operating Temperature
100 °C
100 °C
Max Turbo Power Consumption
—
55 W
CPU Performance
Performance Cores
6
4
Performance Core Threads
12
4
Performance Core Base Frequency
2.9 GHz
2.3 GHz
Performance Core Turbo Frequency
4.3 GHz
4.7 GHz
Total Core Count
6
8
Total Thread Count
12
8
Bus Frequency
100 MHz
100 MHz
Multiplier
29x
23
L1 Cache
64 K per core
—
L2 Cache
256 K per core
—
L3 Cache
12 MB shared
12 MB shared
Unlocked Multiplier
No
No
Efficiency Cores
—
4
Efficiency Core Threads
—
4
Efficiency Core Base Frequency
—
1.7 GHz
Efficiency Core Turbo Frequency
—
3.5 GHz
Memory Parameters
Memory Types
DDR4-2666
LPDDR5X-7467,DDR5-6400
Max Memory Size
128 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
41.6 GB/s
119.5 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
350 MHz
—
GPU Max Dynamic Frequency
1100 MHz
2500 MHz
Shader Units
192
—
Texture Units
24
—
Raster Operation Units
3
—
Execution Units
24
4
Power Consumption
15 W
—
Max Resolution
4096x2304 - 60 Hz
7680 x 4320 @ 60Hz
Miscellaneous
PCIe Version
3.0
5.0
PCIe Lanes
16
12
Benchmark
Cinebench R23
1,126
—
Cinebench R23
7,610
—
Geekbench 6
1,401
2,706
Geekbench 5
1,149
—
Geekbench 6
5,919
10,277
Geekbench 5
5,766
—
Blender
127
—
Passmark CPU
2,569
—
Passmark CPU
12,194
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.