Intel Core i7 1255U vs Apple M2 Ultra
CPU · Specs Compare
General Parameters
Release Date
Feb 2022
May 2023
Manufacturer
Intel
Apple
Type
Laptop
Laptop
Instruction Set
x86-64
ARMv8
Core Architecture
Alder Lake
Apple M2
Processor Number
i7-1255U
—
Integrated Graphics
Iris Xe Graphics (96EU)
Apple M2 Max GPU (76-core)
Package
Manufacturing Process
10 nm
5 nm
Socket
BGA-1744
Apple M-Socket
Power Consumption
12-15 W
60 W
Max Turbo Power Consumption
55 W
—
Peak Operating Temperature
100°C
100°C
Transistor Count
—
134 billions
CPU Performance
Performance Cores
2
16
Performance Core Threads
4
16
Performance Core Base Frequency
1.7 GHz
3.5 GHz
Performance Core Turbo Frequency
4.7 GHz
—
Efficiency Cores
8
8
Efficiency Core Threads
8
8
Efficiency Core Base Frequency
1.2 GHz
2.4 GHz
Efficiency Core Turbo Frequency
3.5 GHz
—
Total Core Count
10
24
Total Thread Count
12
24
Bus Frequency
100 MHz
—
Multiplier
17x
35x
L1 Cache
80 K per core
192 K per core
L2 Cache
1280 K per core
64 MB shared
L3 Cache
12 MB shared
—
Unlocked Multiplier
No
No
Memory Parameters
Memory Types
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
LPDDR5-6400
Max Memory Size
64 GB
192 GB
Max Memory Channels
2
16
Max Memory Bandwidth
76.8 GB/s
800 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
—
GPU Max Dynamic Frequency
1250 MHz
—
Shader Units
768
—
Texture Units
48
—
Raster Operation Units
24
—
Execution Units
96
—
Power Consumption
15 W
—
Miscellaneous
PCIe Version
4.0
4.0
PCIe Lanes
20
—
Benchmark
Cinebench R23
1,701
1,729
Cinebench R23
8,233
28,910
Geekbench 6
2,248
2,790
Geekbench 5
1,628
1,956
Geekbench 6
7,162
21,217
Geekbench 5
7,372
27,945
Blender
125
505
Passmark CPU
3,308
4,137
Passmark CPU
13,792
48,776
Cinebench 2024
—
126
Cinebench 2024
—
1,918
▲ Specs Compare
Data sourced from official specifications and benchmark tests.