Intel Core i7 1255U vs Apple M2 Ultra
We compared two laptop CPUs: Intel Core i7 1255U with 10 cores 1.7GHz and Apple M2 Ultra with 24 cores 3.5GHz . 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 (15W vs 60W)
Apple M2 Ultra 's Advantages
Released 1 years and 3 months late
Higher specification of memory (6400 vs 5200)
Larger memory bandwidth (800GB/s vs 76.8GB/s)
Higher base frequency (3.5GHz vs 1.7GHz)
More modern manufacturing process (5nm vs 10nm)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 1255U
1701
Apple M2 Ultra
+1%
1729
Cinebench R23 Multi Core
Intel Core i7 1255U
8233
Apple M2 Ultra
+251%
28910
Geekbench 6 Single Core
Intel Core i7 1255U
2248
Apple M2 Ultra
+24%
2790
Geekbench 6 Multi Core
Intel Core i7 1255U
7162
Apple M2 Ultra
+196%
21217
Blender
Intel Core i7 1255U
125
Apple M2 Ultra
+304%
505
Geekbench 5 Single Core
Intel Core i7 1255U
1628
Apple M2 Ultra
+20%
1956
Geekbench 5 Multi Core
Intel Core i7 1255U
7372
Apple M2 Ultra
+279%
27945
Passmark CPU Single Core
Intel Core i7 1255U
3308
Apple M2 Ultra
+25%
4137
Passmark CPU Multi Core
Intel Core i7 1255U
13792
Apple M2 Ultra
+253%
48776
General Parameters
Feb 2022
Release Date
May 2023
Intel
Manufacturer
Apple
Laptop
Type
Laptop
x86-64
Instruction Set
ARMv8
Alder Lake
Core Architecture
Apple M2
i7-1255U
Processor Number
-
BGA-1744
Socket
Apple M-Socket
Iris Xe Graphics (96EU)
Integrated Graphics
Apple M2 Max GPU (76-core)
Package
-
Transistor Count
134 billions
10 nm
Manufacturing Process
5 nm
12-15 W
Power Consumption
60 W
55 W
Max Turbo Power Consumption
-
100°C
Peak Operating Temperature
100°C
CPU Performance
2
Performance Cores
16
4
Performance Core Threads
16
1.7 GHz
Performance Core Base Frequency
3.5 GHz
4.7 GHz
Performance Core Turbo Frequency
-
8
Efficiency Cores
8
8
Efficiency Core Threads
8
1.2 GHz
Efficiency Core Base Frequency
2.4 GHz
3.5 GHz
Efficiency Core Turbo Frequency
-
10
Total Core Count
24
12
Total Thread Count
24
100 MHz
Bus Frequency
-
17x
Multiplier
35x
80 K per core
L1 Cache
192 K per core
1280 K per core
L2 Cache
64 MB shared
12 MB shared
L3 Cache
-
No
Unlocked Multiplier
No
Memory Parameters
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
Memory Types
LPDDR5-6400
64 GB
Max Memory Size
192 GB
2
Max Memory Channels
16
76.8 GB/s
Max Memory Bandwidth
800 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
-
1250 MHz
GPU Max Dynamic Frequency
-
768
Shader Units
-
48
Texture Units
-
24
Raster Operation Units
-
96
Execution Units
-
15 W
Power Consumption
-
1.69 TFLOPS
Graphics Performance
-
