Home Comparison Intel Core i7 1255U vs Intel Core i7 12700H

Intel Core i7 1255U vs Intel Core i7 12700H

Intel Core i7 1255U
VS
Intel Core i7 12700H
Intel Core i7 1255U Intel Core i7 12700H
We compared two laptop CPUs: Intel Core i7 1255U with 10 cores 1.7GHz and Intel Core i7 12700H with 14 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 1255U 's Advantages
Lower TDP (12W vs 45W)
Intel Core i7 12700H 's Advantages
Better graphics card performance
Higher base frequency (2.3GHz vs 1.7GHz)
Larger L3 cache size (24MB vs 12MB)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i7 1255U
1656
Intel Core i7 12700H +6%
1763
Cinebench R23 Multi Core
Intel Core i7 1255U
8369
Intel Core i7 12700H +93%
16179
Geekbench 6 Single Core
Intel Core i7 1255U +11%
2248
Intel Core i7 12700H
2011
Geekbench 6 Multi Core
Intel Core i7 1255U
7162
Intel Core i7 12700H +57%
11276
Blender
Intel Core i7 1255U
77
Intel Core i7 12700H +297%
306
Geekbench 5 Single Core
Intel Core i7 1255U
1628
Intel Core i7 12700H +6%
1731
Geekbench 5 Multi Core
Intel Core i7 1255U
7372
Intel Core i7 12700H +64%
12105
Passmark CPU Single Core
Intel Core i7 1255U
3308
Intel Core i7 12700H +10%
3641
Passmark CPU Multi Core
Intel Core i7 1255U
13792
Intel Core i7 12700H +93%
26713
Intel Core i7 1255U
VS
Intel Core i7 12700H

General Parameters

Feb 2022
Release Date
Jan 2022
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Alder Lake
Core Architecture
Alder Lake-H
i7-1255U
Processor Number
i7-12700H
BGA-1744
Socket
BGA-1744
Iris Xe Graphics (96EU)
Integrated Graphics
Iris Xe Graphics (96EU)

Package

10 nm
Manufacturing Process
10 nm
BGA-1744
Socket
BGA-1744
12-15 W
Power Consumption
45 W
55 W
Max Turbo Power Consumption
-
100°C
Peak Operating Temperature
100 °C

CPU Performance

2
Performance Cores
6
4
Performance Core Threads
-
1.7 GHz
Performance Core Base Frequency
2.3 GHz
4.7 GHz
Performance Core Turbo Frequency
4.7 GHz
8
Efficiency Cores
8
8
Efficiency Core Threads
-
1.2 GHz
Efficiency Core Base Frequency
-
3.5 GHz
Efficiency Core Turbo Frequency
-
10
Total Core Count
14
12
Total Thread Count
20
100 MHz
Bus Frequency
100 MHz
17x
Multiplier
23x
80 K per core
L1 Cache
80 K per core
1280 K per core
L2 Cache
1280 K per core
12 MB shared
L3 Cache
24 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
1250 MHz
GPU Max Dynamic Frequency
1400 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
2.150 TFLOPS

Miscellaneous

Intel Core i7 1255U
Official Website
Intel Core i7 12700H
4.0
PCIe Version
4.0
20
PCIe Lanes
28

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