Intel Core Ultra 7 255H vs Intel Core i7 1250U
CPU · Specs Compare
General Parameters
Release Date
Jan 2025
Feb 2022
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Alder Lake
Processor Number
255H
i7-1250U
Integrated Graphics
Arc Graphics 140T
Iris Xe Graphics (96EU)
Package
Manufacturing Process
3 nm
10 nm
Socket
FCBGA-2049
BGA-1781
Power Consumption
20-28 W
9 W
Max Turbo Power Consumption
115 W
29 W
Peak Operating Temperature
110 °C
100°C
CPU Performance
Performance Cores
6
2
Performance Core Threads
6
4
Performance Core Base Frequency
2.0 GHz
1.1 GHz
Performance Core Turbo Frequency
5.1 GHz
4.7 GHz
Efficiency Cores
10
8
Efficiency Core Threads
10
8
Efficiency Core Base Frequency
1.5 GHz
0.8 GHz
Efficiency Core Turbo Frequency
4.4 GHz
3.5 GHz
Total Core Count
16
10
Total Thread Count
16
12
Bus Frequency
100 MHz
100 MHz
Multiplier
20
11x
L1 Cache
112 K per core
80 K per core
L2 Cache
2 MB per core
1280 K per core
L3 Cache
24 MB shared
12 MB shared
Unlocked Multiplier
No
No
Memory Parameters
Memory Types
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
LPDDR5-5200, LPDDR4x-4267
Max Memory Size
128 GB
64 GB
Max Memory Channels
2
2
ECC Memory Support
No
No
Max Memory Bandwidth
—
76.8 GB/s
Graphics Card Parameters
Integrated Graphics
true
true
GPU Max Dynamic Frequency
2250 MHz
950 MHz
GPU Base Frequency
—
300 MHz
Shader Units
—
768
Texture Units
—
48
Raster Operation Units
—
24
Execution Units
—
96
Power Consumption
—
15 W
Miscellaneous
PCIe Version
5.0
4.0
PCIe Lanes
28
14
Benchmark
Cinebench R23
2,029
1,655
Cinebench R23
20,521
7,329
Geekbench 6
2,823
2,112
Geekbench 6
15,662
6,732
Cinebench 2024
115
—
Cinebench 2024
1,102
—
Blender
278
58
Geekbench 5
—
1,639
Geekbench 5
—
6,884
▲ Specs Compare
Data sourced from official specifications and benchmark tests.