AMD Ryzen 9 9955HX vs Intel Core Ultra 7 355
CPU · Specs Compare
General Parameters
Release Date
Jan 2025
Jan 2026
Manufacturer
Amd
Intel
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 5 (Fire Range)
—
Processor Number
9955HX
355
Integrated Graphics
Radeon 610M
Graphics 4 Xe3
Series
Ryzen 9000 Series
—
Generation
—
Intel Core Ultra Series 3
Package
Manufacturing Process
4 nm
3 nm
Socket
FL1
Custom
Power Consumption
55-75 W
15-25 W
Max Turbo Power Consumption
101 W
55 W
Peak Operating Temperature
100 °C
100 °C
CPU Performance
Performance Cores
16
4
Performance Core Threads
32
4
Performance Core Base Frequency
2.5 GHz
2.3 GHz
Performance Core Turbo Frequency
5.4 GHz
4.7 GHz
Total Core Count
16
8
Total Thread Count
32
8
Bus Frequency
100 MHz
100 MHz
Multiplier
25
23
L1 Cache
80 K per core
—
L2 Cache
1 MB per core
—
L3 Cache
64 MB shared
12 MB shared
Unlocked Multiplier
Yes
No
Efficiency Cores
—
4
Efficiency Core Threads
—
4
Efficiency Core Base Frequency
—
1.7 GHz
Efficiency Core Turbo Frequency
—
3.5 GHz
Memory Parameters
Memory Types
DDR5-5600
LPDDR5X-7467,DDR5-6400
Max Memory Size
96 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
89.6 GB/s
119.5 GB/s
ECC Memory Support
No
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
400 MHz
—
GPU Max Dynamic Frequency
2200 MHz
2500 MHz
Shader Units
128
—
Texture Units
8
—
Raster Operation Units
4
—
Execution Units
2
4
Power Consumption
15
—
Max Resolution
—
7680 x 4320 @ 60Hz
Miscellaneous
PCIe Version
5.0
5.0
PCIe Lanes
28
12
Benchmark
Cinebench R23
2,154
—
Cinebench R23
35,887
—
Geekbench 6
3,228
2,706
Geekbench 6
19,559
10,277
Cinebench 2024
129
—
Cinebench 2024
2,057
—
Blender
545
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.