Intel Core Ultra 7 255HX vs Intel Core Ultra 9 288V
We compared two laptop CPUs: Intel Core Ultra 7 255HX with 20 cores 2.4GHz and Intel Core Ultra 9 288V with 8 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core Ultra 7 255HX 's Advantages
Larger L3 cache size (30MB vs 12MB)
Intel Core Ultra 9 288V 's Advantages
Better graphics card performance
Higher specification of memory (8533 vs 6400)
Larger memory bandwidth (136GB/s vs 102.4GB/s)
Higher base frequency (3.3GHz vs 2.4GHz)
Lower TDP (37W vs 55W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core Ultra 7 255HX
+8%
2030
Intel Core Ultra 9 288V
1877
Cinebench R23 Multi Core
Intel Core Ultra 7 255HX
+143%
25611
Intel Core Ultra 9 288V
10529
Geekbench 6 Single Core
Intel Core Ultra 7 255HX
+8%
3102
Intel Core Ultra 9 288V
2865
Geekbench 6 Multi Core
Intel Core Ultra 7 255HX
+43%
15879
Intel Core Ultra 9 288V
11064
Cinebench 2024 Single Core
Intel Core Ultra 7 255HX
+8%
132
Intel Core Ultra 9 288V
122
Cinebench 2024 Multi Core
Intel Core Ultra 7 255HX
+191%
1590
Intel Core Ultra 9 288V
545
General Parameters
Jan 2025
Release Date
Sep 2024
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Arrow Lake
Core Architecture
Lunar Lake
255HX
Processor Number
288V
FCBGA-2114
Socket
FCBGA-2833
Arc Graphics (4-Cores)
Integrated Graphics
Arc Graphics 140V
Ultra 7 (Arrow Lake)
Generation
Ultra 9(Lunar Lake)
Package
3 nm
Manufacturing Process
3 nm
45-55 W
Power Consumption
17-37 W
160 W
Max Turbo Power Consumption
-
105 °C
Peak Operating Temperature
100 °C
Intel
Foundry
TSMC
CPU Performance
8
Performance Cores
4
8
Performance Core Threads
4
2.4 GHz
Performance Core Base Frequency
3.3 GHz
5.2 GHz
Performance Core Turbo Frequency
5.1 GHz
12
Efficiency Cores
4
12
Efficiency Core Threads
4
1.8 GHz
Efficiency Core Base Frequency
3.3 GHz
4.5 GHz
Efficiency Core Turbo Frequency
3.7 GHz
20
Total Core Count
8
20
Total Thread Count
8
100 MHz
Bus Frequency
100 MHz
24
Multiplier
33
-
L0 Cache
48 KB per core
112 K per core
L1 Cache
192 K per core
2 MB per core
L2 Cache
2560 K per core
30 MB shared
L3 Cache
12 MB shared
Yes
Unlocked Multiplier
No
1
SMP
1
Memory Parameters
DDR5-6400
Memory Types
LPDDR5X-8533
192 GB
Max Memory Size
32 GB
2
Max Memory Channels
2
102.4 GB/s
Max Memory Bandwidth
136 GB/s
Yes
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
600 MHz
1850 MHz
GPU Max Dynamic Frequency
2050 MHz
512
Shader Units
1024
32
Texture Units
16
Raster Operation Units
64
Execution Units
8
14
Power Consumption
30
1.9 TFLOPS
Graphics Performance
4.2 TFLOPS
AI Accelerator
-
NPU
Intel® AI Boost
-
Theoretical performance
48 TOPS
Miscellaneous
5.0
PCIe Version
5.0
24
PCIe Lanes
8
