Intel Core Ultra 9 275HX vs Intel Core Ultra 7 155U
We compared two laptop CPUs: Intel Core Ultra 9 275HX with 24 cores 2.7GHz and Intel Core Ultra 7 155U with 12 cores 1.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core Ultra 9 275HX 's Advantages
Released 1 years and 1 months late
Newer PCIe version (5.0 vs 4.0)
Higher base frequency (2.7GHz vs 1.7GHz)
Larger L3 cache size (36MB vs 12MB)
More modern manufacturing process (3nm vs 7nm)
Intel Core Ultra 7 155U 's Advantages
Better graphics card performance
Higher specification of memory (7467 vs 6400)
Larger memory bandwidth (120GB/s vs 102.4GB/s)
Lower TDP (15W vs 55W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core Ultra 9 275HX
+20%
2090
Intel Core Ultra 7 155U
1730
Cinebench R23 Multi Core
Intel Core Ultra 9 275HX
+216%
31244
Intel Core Ultra 7 155U
9875
Geekbench 6 Single Core
Intel Core Ultra 9 275HX
+27%
2959
Intel Core Ultra 7 155U
2314
Geekbench 6 Multi Core
Intel Core Ultra 9 275HX
+85%
17562
Intel Core Ultra 7 155U
9486
Cinebench 2024 Single Core
Intel Core Ultra 9 275HX
+28%
131
Intel Core Ultra 7 155U
102
Cinebench 2024 Multi Core
Intel Core Ultra 9 275HX
+222%
1768
Intel Core Ultra 7 155U
549
Passmark CPU Single Core
Intel Core Ultra 9 275HX
+38%
4732
Intel Core Ultra 7 155U
3413
Passmark CPU Multi Core
Intel Core Ultra 9 275HX
+270%
61069
Intel Core Ultra 7 155U
16486
General Parameters
Jan 2025
Release Date
Dec 2023
Intel
Manufacturer
Intel
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Arrow Lake
Core Architecture
Meteor Lake
275HX
Processor Number
155U
FCBGA-2114
Socket
FCBGA-2049
Arc Graphics (4-Cores)
Integrated Graphics
Arc Graphics (4-Cores)
Ultra 9 (Arrow Lake)
Generation
-
Package
3 nm
Manufacturing Process
7 nm
45-55 W
Power Consumption
12-15 W
160 W
Max Turbo Power Consumption
57 W
105 °C
Peak Operating Temperature
110 °C
Intel
Foundry
-
CPU Performance
8
Performance Cores
2
8
Performance Core Threads
4
2.7 GHz
Performance Core Base Frequency
1.7 GHz
5.4 GHz
Performance Core Turbo Frequency
4.8 GHz
16
Efficiency Cores
10
16
Efficiency Core Threads
10
2.1 GHz
Efficiency Core Base Frequency
1.2 GHz
4.6 GHz
Efficiency Core Turbo Frequency
3.8 GHz
24
Total Core Count
12
24
Total Thread Count
14
100 MHz
Bus Frequency
100 MHz
27
Multiplier
17
112 K per core
L1 Cache
112 K per core
2 MB per core
L2 Cache
2 MB per core
36 MB shared
L3 Cache
12 MB shared
Yes
Unlocked Multiplier
No
1
SMP
-
Memory Parameters
DDR5-6400
Memory Types
LPDDR5-7467,LPDDR5x-7467,DDR5-5600
192 GB
Max Memory Size
96 GB
2
Max Memory Channels
2
102.4 GB/s
Max Memory Bandwidth
120 GB/s
Yes
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
300 MHz
1900 MHz
GPU Max Dynamic Frequency
1950 MHz
512
Shader Units
512
32
Texture Units
32
16
Raster Operation Units
16
64
Execution Units
64
14
Power Consumption
14
-
Max Resolution
7680x4320 - 60 Hz
1.9 TFLOPS
Graphics Performance
2 TFLOPS
Miscellaneous
5.0
PCIe Version
4.0
24
PCIe Lanes
20
