Intel Core Ultra X9 388H vs AMD Ryzen 9 9955HX3D
CPU · Specs Compare
General Parameters
Release Date
Jan 2026
Jan 2025
Manufacturer
Intel
Amd
Type
Laptop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Panther Lake
Zen 5 (Fire Range)
Processor Number
388H
9955HX3D
Integrated Graphics
Arc B390
Radeon 610M
Generation
Ultra X9 (Panther Lake-H)
—
Series
—
Ryzen 9000 Series
Package
Manufacturing Process
2 nm
4 nm
Socket
FCBGA2540
FL1
Power Consumption
15-25 W
55-75 W
Max Turbo Power Consumption
80 W
100 W
Peak Operating Temperature
100 °C
100 °C
Foundry
Intel
—
Package
FC-BGA
—
CPU Performance
Performance Cores
4
16
Performance Core Threads
4
32
Performance Core Base Frequency
2.1 GHz
2.5 GHz
Performance Core Turbo Frequency
5.1 GHz
5.4 GHz
Efficiency Cores
12
—
Efficiency Core Threads
12
—
Efficiency Core Base Frequency
1.6 GHz
—
Efficiency Core Turbo Frequency
4 GHz
—
Total Core Count
16
16
Total Thread Count
16
32
Bus Frequency
100 MHz
100 MHz
Multiplier
21
25
L1 Cache
192 K per core
80 K per core
L2 Cache
2560 K per core
1 MB per core
L3 Cache
18 MB shared
128 MB shared
Unlocked Multiplier
No
Yes
SMP
1
—
Memory Parameters
Memory Types
LPDDR5X-9600
DDR5-5600
Max Memory Size
96 GB
96 GB
Max Memory Channels
2
2
Max Memory Bandwidth
153.6 GB/s
89.6 GB/s
ECC Memory Support
No
Yes
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
300 MHz
400 MHz
GPU Max Dynamic Frequency
2500 MHz
2200 MHz
Shader Units
1536
128
Texture Units
48
8
Raster Operation Units
24
4
Execution Units
12
2
Power Consumption
45
15
AI Accelerator
Theoretical performance
50 TOPS
—
Miscellaneous
PCIe Version
5.0
5.0
PCIe Lanes
12
28
Benchmark
Geekbench 6
3,026
3,166
Geekbench 6
17,541
19,845
Cinebench 2024
130
129
Cinebench R23
—
2,172
Cinebench R23
—
37,246
Cinebench 2024
—
2,093
Blender
—
562
▲ Specs Compare
Data sourced from official specifications and benchmark tests.