Home Comparison Intel Core i7 12800H vs Intel Core i7 1255U

Intel Core i7 12800H vs Intel Core i7 1255U

Intel Core i7 12800H
VS
Intel Core i7 1255U
Intel Core i7 12800H
Intel Core i7 1255U
We compared two laptop CPUs: Intel Core i7 12800H with 14 cores 2.4GHz and Intel Core i7 1255U with 10 cores 1.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 12800H 's Advantages
Higher base frequency (2.4GHz vs 1.7GHz)
Larger L3 cache size (24MB vs 12MB)
Intel Core i7 1255U 's Advantages
Lower TDP (15W vs 45W)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i7 12800H +6%
1813
Intel Core i7 1255U
1701
Cinebench R23 Multi Core
Intel Core i7 12800H +90%
15712
Intel Core i7 1255U
8233
Geekbench 6 Single Core
Intel Core i7 12800H
2075
Intel Core i7 1255U +8%
2248
Geekbench 6 Multi Core
Intel Core i7 12800H +31%
9400
Intel Core i7 1255U
7162
Blender
Intel Core i7 12800H +88%
236
Intel Core i7 1255U
125
Geekbench 5 Single Core
Intel Core i7 12800H +7%
1755
Intel Core i7 1255U
1628
Geekbench 5 Multi Core
Intel Core i7 12800H +64%
12140
Intel Core i7 1255U
7372
Passmark CPU Single Core
Intel Core i7 12800H +5%
3504
Intel Core i7 1255U
3308
Passmark CPU Multi Core
Intel Core i7 12800H +76%
24411
Intel Core i7 1255U
13792
Intel Core i7 12800H
VS
Intel Core i7 1255U

General Parameters

Jan 2022
Release Date
Feb 2022
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Alder Lake-H
Core Architecture
Alder Lake
i7-12800H
Processor Number
i7-1255U
BGA-1744
Socket
BGA-1744
Iris Xe Graphics (96EU)
Integrated Graphics
Iris Xe Graphics (96EU)

Package

10 nm
Manufacturing Process
10 nm
35-45 W
Power Consumption
12-15 W
-
Max Turbo Power Consumption
55 W
100 °C
Peak Operating Temperature
100°C

CPU Performance

6
Performance Cores
2
-
Performance Core Threads
4
2.4 GHz
Performance Core Base Frequency
1.7 GHz
4.8 GHz
Performance Core Turbo Frequency
4.7 GHz
8
Efficiency Cores
8
-
Efficiency Core Threads
8
-
Efficiency Core Base Frequency
1.2 GHz
-
Efficiency Core Turbo Frequency
3.5 GHz
14
Total Core Count
10
20
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
24x
Multiplier
17x
80 K per core
L1 Cache
80 K per core
1280 K per core
L2 Cache
1280 K per core
24 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No

Memory Parameters

DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Memory Types
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
64 GB
Max Memory Size
64 GB
2
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
76.8 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
true
300 MHz
GPU Base Frequency
300 MHz
1400 MHz
GPU Max Dynamic Frequency
1250 MHz
768
Shader Units
768
48
Texture Units
48
24
Raster Operation Units
24
96
Execution Units
96
15 W
Power Consumption
15 W
1.69 TFLOPS
Graphics Performance
1.69 TFLOPS

Miscellaneous

Intel Core i7 12800H
Official Website
Intel Core i7 1255U
4.0
PCIe Version
4.0
28
PCIe Lanes
20

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