Intel Core Ultra 7 255HX vs Intel Core Ultra 9 290HX Plus
CPU Specs Compare
General Parameters
Release Date
Jan 2025
Jan 2026
Manufacturer
Intel
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Arrow Lake
Processor Number
255HX
290HX
Integrated Graphics
Arc Graphics (4-Cores)
Arc Graphics (4-Cores)
Generation
Ultra 7 (Arrow Lake)
Ultra 9 (Arrow Lake-HX)
Package
Manufacturing Process
3 nm
3 nm
Socket
FCBGA-2114
FCBGA-2114
Power Consumption
45-55 W
45-55 W
Max Turbo Power Consumption
160 W
160 W
Peak Operating Temperature
105 °C
105 °C
Foundry
Intel
TSMC
Package
FC-LGA18V
FC-BGA
Transistor Count
-
17.8 billions
Die Size
-
243 mm²
CPU Performance
Performance Cores
8
8
Performance Core Threads
8
8
Performance Core Base Frequency
2.4 GHz
2.7 GHz
Performance Core Turbo Frequency
5.2 GHz
5.5 GHz
Efficiency Cores
12
16
Efficiency Core Threads
12
16
Efficiency Core Base Frequency
1.8 GHz
1.8 GHz
Efficiency Core Turbo Frequency
4.5 GHz
4.7 GHz
Total Core Count
20
24
Total Thread Count
20
24
Bus Frequency
100 MHz
100 MHz
Multiplier
24
27
L1 Cache
112 K per core
192 K per core
L2 Cache
2 MB per core
3 MB per core
L3 Cache
30 MB shared
36 MB shared
Unlocked Multiplier
Yes
Yes
SMP
1
1
Memory Parameters
Memory Types
DDR5-6400
DDR5-6400
Max Memory Size
192 GB
256 GB
Max Memory Channels
2
2
Max Memory Bandwidth
102.4 GB/s
102.4 GB/s
ECC Memory Support
Yes
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
300 MHz
GPU Max Dynamic Frequency
1850 MHz
2000 MHz
Shader Units
512
512
Texture Units
32
32
Raster Operation Units
16
16
Execution Units
64
64
Power Consumption
14
14
📊 Benchmark
Cinebench R23
2,030
2,237
Cinebench R23
25,611
38,581
Geekbench 6
3,102
3,196
Geekbench 6
15,879
21,569
Cinebench 2024
132
126
Cinebench 2024
1,590
2,218
Passmark CPU
-
5,006
Passmark CPU
-
66,051