Intel Core i7 8550U vs Intel Core Ultra 7 255H
CPU Specs Compare
General Parameters
Release Date
Aug 2017
Jan 2025
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Kaby Lake R
Arrow Lake
Processor Number
i7-8550U
255H
Integrated Graphics
UHD Graphics 620
Arc Graphics 140T
Package
Manufacturing Process
14 nm
3 nm
Socket
BGA-1356
FCBGA-2049
Power Consumption
15 W
20-28 W
Peak Operating Temperature
100 °C
110 °C
Max Turbo Power Consumption
-
115 W
CPU Performance
Performance Cores
4
6
Performance Core Threads
8
6
Performance Core Base Frequency
1.8 GHz
2.0 GHz
Performance Core Turbo Frequency
4 GHz
5.1 GHz
Total Core Count
4
16
Total Thread Count
8
16
Bus Frequency
100 MHz
100 MHz
Multiplier
18x
20
L1 Cache
64 K per core
112 K per core
L2 Cache
256 K per core
2 MB per core
L3 Cache
8 MB shared
24 MB shared
Unlocked Multiplier
No
No
Efficiency Cores
-
10
Efficiency Core Threads
-
10
Efficiency Core Base Frequency
-
1.5 GHz
Efficiency Core Turbo Frequency
-
4.4 GHz
Memory Parameters
Memory Types
DDR4-2400, LPDDR3-2133
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
Max Memory Size
32 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
37.5 GB/s
-
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
-
GPU Max Dynamic Frequency
1150 MHz
2250 MHz
Shader Units
192
-
Texture Units
24
-
Raster Operation Units
3
-
Execution Units
24
-
Power Consumption
15 W
-
Max Resolution
4096x2304 - 60 Hz
-
Miscellaneous
📊 Benchmark
Cinebench R23
979
2,029
Cinebench R23
2,960
20,521
Geekbench 6
1,153
2,823
Geekbench 5
966
-
Geekbench 6
2,890
15,662
Geekbench 5
2,960
-
Blender
56
278
Passmark CPU
2,059
-
Passmark CPU
5,894
-
Cinebench 2024
-
115
Cinebench 2024
-
1,102