Intel Core i7 8565U vs Intel Core Ultra 7 255U
We compared two laptop CPUs: Intel Core i7 8565U with 4 cores 1.8GHz and Intel Core Ultra 7 255U with 12 cores 2.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core Ultra 7 255U 's Advantages
Released 6 years and 5 months late
Higher specification of memory (8400 vs 2400)
Newer PCIe version (4.0 vs 3.0)
Higher base frequency (2.0GHz vs 1.8GHz)
Larger L3 cache size (12MB vs 8MB)
More modern manufacturing process (3nm vs 14nm)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 8565U
1082
Intel Core Ultra 7 255U
+66%
1803
Cinebench R23 Multi Core
Intel Core i7 8565U
3073
Intel Core Ultra 7 255U
+286%
11888
Geekbench 6 Single Core
Intel Core i7 8565U
1249
Intel Core Ultra 7 255U
+106%
2582
Geekbench 6 Multi Core
Intel Core i7 8565U
3461
Intel Core Ultra 7 255U
+216%
10941
General Parameters
Aug 2018
Release Date
Jan 2025
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Whiskey Lake
Core Architecture
Arrow Lake
i7-8565U
Processor Number
255U
BGA-1528
Socket
FCBGA-2049
UHD Graphics 620
Integrated Graphics
Arc Graphics (4-Cores)
Package
14 nm
Manufacturing Process
3 nm
15 W
Power Consumption
12-15 W
-
Max Turbo Power Consumption
57 W
100 °C
Peak Operating Temperature
110 °C
CPU Performance
4
Performance Cores
2
8
Performance Core Threads
4
1.8 GHz
Performance Core Base Frequency
2.0 GHz
4.6 GHz
Performance Core Turbo Frequency
5.2 GHz
-
Efficiency Cores
10
-
Efficiency Core Threads
10
-
Efficiency Core Base Frequency
1.7 GHz
-
Efficiency Core Turbo Frequency
4.2 GHz
4
Total Core Count
12
8
Total Thread Count
14
100 MHz
Bus Frequency
100 MHz
18x
Multiplier
20
64 K per core
L1 Cache
112 K per core
256 K per core
L2 Cache
2 MB per core
8 MB shared
L3 Cache
12 MB shared
No
Unlocked Multiplier
No
Memory Parameters
DDR4-2400, LPDDR3-2133
Memory Types
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
64 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
37.5 GB/s
Max Memory Bandwidth
-
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
-
1150 MHz
GPU Max Dynamic Frequency
2100 MHz
192
Shader Units
-
24
Texture Units
-
3
Raster Operation Units
-
24
Execution Units
-
15 W
Power Consumption
-
4096x2304 - 60 Hz
Max Resolution
-
0.38 TFLOPS
Graphics Performance
-
Miscellaneous
3.0
PCIe Version
4.0
16
PCIe Lanes
20
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
-
