Intel Core Ultra 7 255H 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
255H
290HX
Integrated Graphics
Arc Graphics 140T
Arc Graphics (4-Cores)
Generation
—
Ultra 9 (Arrow Lake-HX)
Package
Manufacturing Process
3 nm
3 nm
Socket
FCBGA-2049
FCBGA-2114
Power Consumption
20-28 W
45-55 W
Max Turbo Power Consumption
115 W
160 W
Peak Operating Temperature
110 °C
105 °C
Transistor Count
—
17.8 billions
Foundry
—
TSMC
Die Size
—
243 mm²
Package
—
FC-BGA
CPU Performance
Performance Cores
6
8
Performance Core Threads
6
8
Performance Core Base Frequency
2.0 GHz
2.7 GHz
Performance Core Turbo Frequency
5.1 GHz
5.5 GHz
Efficiency Cores
10
16
Efficiency Core Threads
10
16
Efficiency Core Base Frequency
1.5 GHz
1.8 GHz
Efficiency Core Turbo Frequency
4.4 GHz
4.7 GHz
Total Core Count
16
24
Total Thread Count
16
24
Bus Frequency
100 MHz
100 MHz
Multiplier
20
27
L1 Cache
112 K per core
192 K per core
L2 Cache
2 MB per core
3 MB per core
L3 Cache
24 MB shared
36 MB shared
Unlocked Multiplier
No
Yes
SMP
—
1
Memory Parameters
Memory Types
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
DDR5-6400
Max Memory Size
128 GB
256 GB
Max Memory Channels
2
2
ECC Memory Support
No
No
Max Memory Bandwidth
—
102.4 GB/s
Graphics Card Parameters
Integrated Graphics
true
true
GPU Max Dynamic Frequency
2250 MHz
2000 MHz
GPU Base Frequency
—
300 MHz
Shader Units
—
512
Texture Units
—
32
Raster Operation Units
—
16
Execution Units
—
64
Power Consumption
—
14
Miscellaneous
PCIe Version
5.0
5.0
PCIe Lanes
28
24
Benchmark
Cinebench R23
2,029
2,237
Cinebench R23
20,521
38,581
Geekbench 6
2,823
3,196
Geekbench 6
15,662
21,569
Cinebench 2024
115
126
Cinebench 2024
1,102
2,218
Blender
278
—
Passmark CPU
—
5,006
Passmark CPU
—
66,051
▲ Specs Compare
Data sourced from official specifications and benchmark tests.