Intel Core i5 10400T vs Intel Core i9 12900H
CPU · Specs Compare
General Parameters
Release Date
May 2020
Jan 2022
Manufacturer
Intel
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Comet Lake
Alder Lake
Processor Number
i5-10400T
i9-12900H
Integrated Graphics
UHD Graphics 630
Iris Xe Graphics (96EU)
Package
Manufacturing Process
14 nm
10 nm
Socket
LGA-1200
BGA-1744
Power Consumption
25-35 W
35-45 W
Peak Operating Temperature
100 °C
100°C
Max Turbo Power Consumption
—
115 W
CPU Performance
Performance Cores
6
6
Performance Core Threads
12
12
Performance Core Base Frequency
2.0 GHz
2.5 GHz
Performance Core Turbo Frequency
3.6 GHz
5 GHz
Total Core Count
6
14
Total Thread Count
12
20
Bus Frequency
100 MHz
100 MHz
Multiplier
20x
25x
L1 Cache
64 K per core
80 K per core
L2 Cache
256 K per core
1280 K per core
L3 Cache
12 MB shared
24 MB shared
Unlocked Multiplier
No
No
Efficiency Cores
—
8
Efficiency Core Threads
—
8
Efficiency Core Base Frequency
—
1.8 GHz
Efficiency Core Turbo Frequency
—
3.8 GHz
Memory Parameters
Memory Types
DDR4-2666
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Max Memory Size
128 GB
64 GB
Max Memory Channels
2
2
Max Memory Bandwidth
41.6 GB/s
76.8 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
350 MHz
300 MHz
GPU Max Dynamic Frequency
1000 MHz
1450 MHz
Shader Units
192
768
Texture Units
24
48
Raster Operation Units
3
24
Execution Units
24
96
Power Consumption
15 W
15 W
Max Resolution
4096x2304 - 60 Hz
—
Miscellaneous
PCIe Version
3.0
4.0
PCIe Lanes
16
28
Benchmark
Geekbench 6
1,201
2,397
Geekbench 5
921
1,839
Geekbench 6
5,107
11,973
Geekbench 5
4,677
12,692
Passmark CPU
2,146
3,811
Passmark CPU
9,901
28,264
Cinebench R23
—
1,906
Cinebench R23
—
16,503
Blender
—
227
▲ Specs Compare
Data sourced from official specifications and benchmark tests.