Intel Core i7 1255U vs AMD Ryzen 5 8540U
CPU Specs Compare
General Parameters
Release Date
Feb 2022
Dec 2023
Manufacturer
Intel
Amd
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Alder Lake
Zen 4 (Hawk Point)
Processor Number
i7-1255U
-
Integrated Graphics
Iris Xe Graphics (96EU)
Radeon 740M
Generation
-
Ryzen 5 (Zen 4 (Hawk Point))
Package
Manufacturing Process
10 nm
4 nm
Socket
BGA-1744
FP7
Power Consumption
12-15 W
15-30 W
Max Turbo Power Consumption
55 W
-
Peak Operating Temperature
100°C
100 °C
Transistor Count
-
20.9 billions
Foundry
-
TSMC
Die Size
-
137 mm²
Package
-
FP7, FP7r2
CPU Performance
Performance Cores
2
2
Performance Core Threads
4
4
Performance Core Base Frequency
1.7 GHz
3.2 GHz
Performance Core Turbo Frequency
4.7 GHz
4.9 GHz
Efficiency Cores
8
4
Efficiency Core Threads
8
8
Efficiency Core Base Frequency
1.2 GHz
3 GHz
Efficiency Core Turbo Frequency
3.5 GHz
3.7 GHz
Total Core Count
10
6
Total Thread Count
12
12
Bus Frequency
100 MHz
100 MHz
Multiplier
17x
32x
L1 Cache
80 K per core
64 K per core
L2 Cache
1280 K per core
1 MB per core
L3 Cache
12 MB shared
16 MB shared
Unlocked Multiplier
No
No
SMP
-
1
Memory Parameters
Memory Types
DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267
DDR5-5600, LPDDR5x-7500
Max Memory Size
64 GB
256 GB
Max Memory Channels
2
2
Max Memory Bandwidth
76.8 GB/s
89.6 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
800 MHz
GPU Max Dynamic Frequency
1250 MHz
2800 MHz
Shader Units
768
256
Texture Units
48
16
Raster Operation Units
24
8
Execution Units
96
4
Power Consumption
15 W
15 W
📊 Benchmark
Cinebench R23
1,701
1,789
Cinebench R23
8,233
10,405
Geekbench 6
2,248
2,445
Geekbench 5
1,628
-
Geekbench 6
7,162
9,182
Geekbench 5
7,372
-
Blender
125
-
Passmark CPU
3,308
3,759
Passmark CPU
13,792
18,276