AMD Ryzen 9 9955HX specifications and performance

AMD Ryzen 9 9955HX is a 16 cores and 32 threads CPU processor produced by AMD. AMD Ryzen 9 9955HX was released on 2025-01-07, the fabrication process is 4nm (nanometer), the CPU codename is -, the instruction set architecture is x86-64, and the CPU's integrated graphics (iGPU) is Radeon 610M.

Basic Information

Vendor / Supplier AMD
Short name r9 9955hx
Release date 2025-01-07
CPU code name
Fabrication process 4nm (nanometer)
Instruction set architecture x86-64
Market Laptop
Integrated Graphics (iGPU) Radeon 610M

CPU core specifications

Total number of cores 16 cores
Total number of threads 32 threads
Number of performance cores 16 cores
Number of performance core threads 32 threads
Performance core base frequency / main frequency 2.5GHz
Performance core maximum turbo frequency 5.4GHz
Number of energy efficiency cores
Number of energy-efficient core threads
Energy efficiency core basic frequency / main frequency
Energy efficiency core maximum turbo frequency

CPU cache and frequency

Bus frequency 100MHz
L1 Cache 1 MB
L2 Cache 1 MB
L3 Cache 64 MB
Unlock multiplier Yes

Memory specifications

Maximum supported memory 96GB
Memory frequency support
  • - DDR5-5600MHz
Maximum number of memory channels 2
Maximum memory bandwidth
ECC support

Package specifications

CPU Socket FL1
Default thermal design power / TDP PL1 55W
Maximum Turbo Power Consumption / TDP PL2
Maximum temperature 100°C
PCIe interface PCIe 5.0
PCIe lane count 28

Integrated Graphics specifications

Integrated Graphics (iGPU) Radeon 610M
Base frequency 400MHz
Maximum acceleration frequency 2200MHz
Number of execution units 2
Stream Processors / Shading Units 128
Texture Units / TMUs 8
Raster Operations Units / ROPs 4
Total Graphics Power / TGP 15W
FP32 computing performance
0.56TFLOPS

Cinebench R23 performance test

Single core performance score
Multi-core performance score

PassMark performance test

Single core performance score
Multi-core performance score
Integer math
Floating point math
Find prime numbers
Random string sorting
Data encryption
Data compression
Physics simulation
Extended instruction test

GeekBench v6 performance test

Single core performance
Multi-core performance
File compression
clang compilation
HTML5 browsing
PDF rendering
Text processing
Background blur
Photo processing
Ray tracing