Intel Core Ultra 7 255H vs AMD Ryzen 9 9955HX
We compared two laptop CPUs: Intel Core Ultra 7 255H with 16 cores 2.0GHz and AMD Ryzen 9 9955HX with 16 cores 2.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core Ultra 7 255H 's Advantages
Higher specification of memory (8400 vs 5600)
More modern manufacturing process (3nm vs 4nm)
Lower TDP (28W vs 75W)
AMD Ryzen 9 9955HX 's Advantages
Higher base frequency (2.5GHz vs 2.0GHz)
Larger L3 cache size (64MB vs 24MB)
Score
Benchmark
Cinebench R23 Single Core
Intel Core Ultra 7 255H
2029
AMD Ryzen 9 9955HX
+6%
2154
Cinebench R23 Multi Core
Intel Core Ultra 7 255H
20521
AMD Ryzen 9 9955HX
+74%
35887
Geekbench 6 Single Core
Intel Core Ultra 7 255H
2823
AMD Ryzen 9 9955HX
+14%
3228
Geekbench 6 Multi Core
Intel Core Ultra 7 255H
15662
AMD Ryzen 9 9955HX
+24%
19559
Cinebench 2024 Single Core
Intel Core Ultra 7 255H
115
AMD Ryzen 9 9955HX
+12%
129
Cinebench 2024 Multi Core
Intel Core Ultra 7 255H
1102
AMD Ryzen 9 9955HX
+86%
2057
General Parameters
Jan 2025
Release Date
Jan 2025
Intel
Manufacturer
Amd
Laptop
Type
Laptop
x86-64
Instruction Set
x86-64
Arrow Lake
Core Architecture
Zen 5 (Fire Range)
255H
Processor Number
9955HX
FCBGA-2049
Socket
FL1
Arc Graphics 140T
Integrated Graphics
Radeon 610M
Package
3 nm
Manufacturing Process
4 nm
20-28 W
Power Consumption
55-75 W
115 W
Max Turbo Power Consumption
101 W
110 °C
Peak Operating Temperature
100 °C
CPU Performance
6
Performance Cores
16
6
Performance Core Threads
32
2.0 GHz
Performance Core Base Frequency
2.5 GHz
5.1 GHz
Performance Core Turbo Frequency
5.4 GHz
10
Efficiency Cores
-
10
Efficiency Core Threads
-
1.5 GHz
Efficiency Core Base Frequency
-
4.4 GHz
Efficiency Core Turbo Frequency
-
16
Total Core Count
16
16
Total Thread Count
32
100 MHz
Bus Frequency
100 MHz
20
Multiplier
25
112 K per core
L1 Cache
80 K per core
2 MB per core
L2 Cache
1 MB per core
24 MB shared
L3 Cache
64 MB shared
No
Unlocked Multiplier
Yes
Memory Parameters
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
Memory Types
DDR5-5600
128 GB
Max Memory Size
96 GB
2
Max Memory Channels
2
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
-
GPU Base Frequency
400 MHz
2250 MHz
GPU Max Dynamic Frequency
2200 MHz
-
Shader Units
128
-
Texture Units
8
-
Raster Operation Units
4
-
Execution Units
2
-
Power Consumption
15
-
Graphics Performance
0.6 TFLOPS
