NVIDIA A800 SXM4 80 GB vs AMD Radeon Instinct MI300A
GPU Specs Compare
Graphics Card
Release Date
Aug 2022
Dec 2023
Generation
Ampere
Radeon Instinct
Type
AI GPU
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1155 MHz
1000 MHz
Boost Clock
1410 MHz
2100 MHz
Memory Clock
1593 MHz
2525 MHz
Memory
Memory Size
80GB
192GB
Memory Type
HBM2e
HBM3
Memory Bus
5120bit
8192bit
Bandwidth
2039GB/s
10.3TB/s
Render Config
SM Count
108
-
Shading Units
6912
19456
TMUs
432
1216
ROPs
160
0
Tensor Cores
432
1216
L1 Cache
192 KB (per SM)
16 KB (per CU)
L2 Cache
40 MB
16 MB
Compute Units
-
304
L3 Cache
-
256 MB
Theoretical Performance
Pixel Rate
225.6 GPixel/s
0 MPixel/s
Texture Rate
609.1 GTexel/s
2554 GTexel/s
FP16 (half)
77.97 TFLOPS
653.7 TFLOPS
FP32 (float)
19.49 TFLOPS
81.72 TFLOPS
FP64 (double)
9.746 TFLOPS
81.72 TFLOPS
Graphics Processor
GPU Name
GA100
Aqua Vanjaram
Architecture
Ampere
CDNA 3.0
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
54.2 billion
153 billion
Die Size
826 mm²
1017 mm²
Board Design
TDP
400W
750W
Suggested PSU
800 W
1150 W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
N/A
N/A
OpenGL
N/A
N/A
OpenCL
3.0
3.0
Vulkan
N/A
N/A
CUDA
8.0
-
Shader Model
N/A
N/A