AMD Radeon Instinct MI355X vs NVIDIA RTX A5500
GPU · Specs Compare
Graphics Card
Release Date
Jun 2025
Mar 2022
Generation
Radeon Instinct
Quadro Ampere
Type
Professional
Professional
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1000 MHz
1080 MHz
Boost Clock
2400 MHz
1665 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
288GB
24GB
Memory Type
HBM3e
GDDR6
Memory Bus
8192bit
384bit
Bandwidth
8.19TB/s
768.0GB/s
Render Config
Compute Units
256
—
Shading Units
16384
10240
TMUs
1024
320
ROPs
0
96
Tensor Cores
1216
320
L1 Cache
32 KB (per CU)
128 KB (per SM)
L2 Cache
32 MB
6 MB
L3 Cache
256 MB
—
SM Count
—
80
RT Cores
—
80
Theoretical Performance
Pixel Rate
0 MPixel/s
159.8 GPixel/s
Texture Rate
2457.6 GTexel/s
532.8 GTexel/s
FP16 (half)
78.64 TFLOPS
34.10 TFLOPS
FP32 (float)
78.64 TFLOPS
34.10 TFLOPS
FP64 (double)
39.32 TFLOPS
532.8 GFLOPS
Graphics Processor
GPU Name
MI350 256CU
GA102
Architecture
CDNA 4.0
Ampere
Foundry
TSMC
Samsung
Process Size
3 nm
8 nm
Transistors
185 billion
28.3 billion
Die Size
Unknown
628 mm²
Board Design
TDP
1400W
230W
Suggested PSU
1800 W
550 W
Outputs
No outputs
4x DisplayPort 1.4a
Power Connectors
None
1x 8-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.3
Shader Model
N/A
6.7
CUDA
—
8.6
Benchmark
OctaneBench
—
596
Blender
—
4,316
▲ Specs Compare
Data sourced from official specifications and benchmark tests.