CPU

AMD Ryzen 9 9955HX

Edit@2 months ago

Socketed Memory
Capacity

(2 t('channels'))

Bandwidth

89.6 GB/s

(DDR5 5600MT/s)

Vector Compute
FP64
2.77 T
FP32
5.53 T
FP16
X
BF16
11.06 T
INT32
X
INT8
22.12 T
Theoretical peak performance: 16 Cores @ 5400 MHz with 512-bit AVX512 and Single 512-bit FMA Unit(Support INT8, BF16)

AMD Ryzen 9 9955HX General-Purpose Float-Point performance (Vector Performance / Scalar Performance)

FP64: 2.77 TFLOPS

FP32: 5.53 TFLOPS

BF16: 11.06 TFLOPS

INT8: 22.12 TOPS

Matirx Compute
Not dedicated Tensor(Matrix) cores / Matrix instructions.

AMD Ryzen 9 9955HX AI performance (Tensor Performance / Matrix Performance)

Hardware Specs
AMD Ryzen 9 9955HX is a 4nm chip, launched by AMD at 2025. It has 16 cores, can run up to 32 threads.It can use DDR5 5600MT/s memory modules.It supports up to 2 memory channels with max bandwidth 89.6 GB/s.
Process Node
4 nm
Launch Year
2025
Max SMP
1
Cache
64MB
Threads
32
Num of Cores
16
Base Frequency
2500MHz
Boost Frequency
5400MHz
All Core Turbo Freq
Unknown
SIMD Extensions
SSE4.2
AVX
AVX2
AVX-512
FMA3

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