Intel Core i7 12800HX vs Intel Core Ultra 7 356H
CPU · Specs Compare
General Parameters
Release Date
May 2022
Jan 2026
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Alder Lake-HX
Panther Lake
Processor Number
i7-12800HX
356H
Integrated Graphics
UHD Graphics (32EU)
Graphics 4 Xe3
Generation
—
Intel Core Ultra Series 3
Package
Manufacturing Process
10 nm
3 nm
Socket
BGA-1744
Custom
Power Consumption
45-55 W
15-25 W
Peak Operating Temperature
100 °C
100 °C
Max Turbo Power Consumption
—
80 W
CPU Performance
Performance Cores
8
4
Performance Core Base Frequency
2.0 GHz
1.9 GHz
Performance Core Turbo Frequency
4.8 GHz
4.7 GHz
Efficiency Cores
8
12
Total Core Count
16
16
Total Thread Count
24
16
Bus Frequency
100 MHz
100 MHz
Multiplier
20x
19
L1 Cache
80 K per core
192 K per core
L2 Cache
1280 K per core
2560 K per core
L3 Cache
25 MB shared
18 MB shared
Unlocked Multiplier
Yes
No
Performance Core Threads
—
4
Efficiency Core Threads
—
12
Efficiency Core Base Frequency
—
1.5 GHz
Efficiency Core Turbo Frequency
—
3.7 GHz
Memory Parameters
Memory Types
DDR5-4800, DDR4-3200
LPDDR5X-8533,DDR5-7200
Max Memory Size
128 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
76.8 GB/s
136.5 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
800 MHz
GPU Max Dynamic Frequency
1450 MHz
2450 MHz
Shader Units
256
1024
Texture Units
16
64
Raster Operation Units
8
32
Execution Units
32
4
Power Consumption
45 W
25
Miscellaneous
PCIe Version
5.0
5.0
PCIe Lanes
20
20
AI Accelerator
Theoretical performance
—
50 TOPS
Benchmark
Cinebench R23
1,784
2,003
Cinebench R23
19,921
18,102
Geekbench 6
2,380
2,738
Geekbench 5
1,757
—
Geekbench 6
13,378
15,294
Geekbench 5
14,104
—
Blender
261
—
Passmark CPU
3,859
—
Passmark CPU
33,577
—
Cinebench 2024
—
120
Cinebench 2024
—
1,085
▲ Specs Compare
Data sourced from official specifications and benchmark tests.