Intel Core Ultra 7 164U vs Intel Core Ultra 7 255HX
We compared two laptop CPUs: Intel Core Ultra 7 164U with 12 cores 1.1GHz 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 Core Ultra 7 164U 's Advantages
Lower TDP (9W vs 55W)
Intel Core Ultra 7 255HX 's Advantages
Released 1 years and 1 months late
Integrated graphics card
Higher specification of memory (6400 vs 5)
Newer PCIe version (5.0 vs 4)
Higher base frequency (2.4GHz vs 1.1GHz)
Larger L3 cache size (30MB vs 12MB)
More modern manufacturing process (3nm vs 7nm)
Score
Benchmark
Geekbench 6 Single Core
Intel Core Ultra 7 164U
2172
Intel Core Ultra 7 255HX
+42%
3102
Geekbench 6 Multi Core
Intel Core Ultra 7 164U
8552
Intel Core Ultra 7 255HX
+85%
15879
General Parameters
Dec 2023
Release Date
Jan 2025
Intel
Manufacturer
Intel
Laptop
Type
Laptop
-
Instruction Set
x86-64
Meteor Lake
Core Architecture
Arrow Lake
-
Processor Number
255HX
Intel BGA 2551
Socket
FCBGA-2114
Arc Xe-LPG 64EU
Integrated Graphics
Arc Graphics (4-Cores)
Ultra 7 (Meteor Lake)
Generation
Ultra 7 (Arrow Lake)
Package
7 nm
Manufacturing Process
3 nm
9 W
Power Consumption
45-55 W
-
Max Turbo Power Consumption
160 W
110°C
Peak Operating Temperature
105 °C
Intel
Foundry
Intel
CPU Performance
2
Performance Cores
8
4
Performance Core Threads
8
1.1 GHz
Performance Core Base Frequency
2.4 GHz
4.8 GHz
Performance Core Turbo Frequency
5.2 GHz
10
Efficiency Cores
12
10
Efficiency Core Threads
12
700 MHz
Efficiency Core Base Frequency
1.8 GHz
3.8 GHz
Efficiency Core Turbo Frequency
4.5 GHz
12
Total Core Count
20
14
Total Thread Count
20
100 MHz
Bus Frequency
100 MHz
11.0
Multiplier
24
112 KB per core
L1 Cache
112 K per core
2 MB per core
L2 Cache
2 MB per core
12 MB shared
L3 Cache
30 MB shared
No
Unlocked Multiplier
Yes
1
SMP
1
Memory Parameters
DDR5
Depends on motherboard
Memory Types
DDR5-6400
-
Max Memory Size
192 GB
2
Max Memory Channels
2
102.4 GB/s
Max Memory Bandwidth
102.4 GB/s
No
ECC Memory Support
Yes
Graphics Card Parameters
-
Integrated Graphics
true
-
GPU Base Frequency
300 MHz
-
GPU Max Dynamic Frequency
1850 MHz
-
Shader Units
512
-
Texture Units
32
-
Raster Operation Units
16
-
Execution Units
64
-
Power Consumption
14
-
Graphics Performance
1.9 TFLOPS
Miscellaneous
4
PCIe Version
5.0
8
PCIe Lanes
24
