Intel Atom x7 Z8750 vs Intel Core Ultra 7 255HX
We compared two laptop CPUs: Intel Atom x7 Z8750 with 4 cores 1.6GHz and Intel Core Ultra 7 255HX with 20 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Atom x7 Z8750 's Advantages
Lower TDP (2W vs 55W)
Intel Core Ultra 7 255HX 's Advantages
Released 9 years late
Integrated graphics card
Higher specification of memory (6400 vs 1600)
Larger memory bandwidth (102.4GB/s vs 25.6GB/s)
Newer PCIe version (5.0 vs 2)
Higher base frequency (2.4GHz vs 1.6GHz)
Larger L3 cache size (30MB vs 6MB)
More modern manufacturing process (3nm vs 14nm)
Score
Benchmark
Geekbench 6 Single Core
Intel Atom x7 Z8750
195
Intel Core Ultra 7 255HX
+1490%
3102
Geekbench 6 Multi Core
Intel Atom x7 Z8750
567
Intel Core Ultra 7 255HX
+2700%
15879
General Parameters
Jan 2016
Release Date
Jan 2025
Intel
Manufacturer
Intel
Laptop
Type
Laptop
-
Instruction Set
x86-64
Cherry Trail
Core Architecture
Arrow Lake
-
Processor Number
255HX
UTFCBGA1380
Socket
FCBGA-2114
Intel HD Graphics 405 Mobile
Integrated Graphics
Arc Graphics (4-Cores)
Atom (Cherry Trail)
Generation
Ultra 7 (Arrow Lake)
Package
14 nm
Manufacturing Process
3 nm
2 W
Power Consumption
45-55 W
-
Max Turbo Power Consumption
160 W
-
Peak Operating Temperature
105 °C
Intel
Foundry
Intel
CPU Performance
-
Performance Cores
8
-
Performance Core Threads
8
1.6 GHz
Performance Core Base Frequency
2.4 GHz
2.56 GHz
Performance Core Turbo Frequency
5.2 GHz
-
Efficiency Cores
12
-
Efficiency Core Threads
12
-
Efficiency Core Base Frequency
1.8 GHz
-
Efficiency Core Turbo Frequency
4.5 GHz
4
Total Core Count
20
4
Total Thread Count
20
100 MHz
Bus Frequency
100 MHz
16
Multiplier
24
96 KB per core
L1 Cache
112 K per core
2 MB shared
L2 Cache
2 MB per core
6 MB shared
L3 Cache
30 MB shared
No
Unlocked Multiplier
Yes
1
SMP
1
Memory Parameters
LPDDR3-1600
Memory Types
DDR5-6400
8 GB
Max Memory Size
192 GB
2
Max Memory Channels
2
25.6 GB/s
Max Memory Bandwidth
102.4 GB/s
No
ECC Memory Support
Yes
Graphics Card Parameters
-
Integrated Graphics
true
200 MHz
GPU Base Frequency
300 MHz
600 MHz
GPU Max Dynamic Frequency
1850 MHz
-
Shader Units
512
-
Texture Units
32
-
Raster Operation Units
16
16
Execution Units
64
-
Power Consumption
14
-
Graphics Performance
1.9 TFLOPS
