AMD Radeon Instinct MI250X vs NVIDIA RTX A4000H
GPU Specs Compare
Graphics Card
Release Date
Nov 2021
Apr 2021
Generation
Radeon Instinct
Quadro Ampere
Type
Professional
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1000 MHz
735 MHz
Boost Clock
1700 MHz
1560 MHz
Memory Clock
1600 MHz
1750 MHz
Memory
Memory Size
128GB
16GB
Memory Type
HBM2e
GDDR6
Memory Bus
8192bit
256bit
Bandwidth
3277GB/s
448.0GB/s
Render Config
Compute Units
220
-
Shading Units
14080
6144
TMUs
880
192
ROPs
0
96
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
16 MB
4 MB
SM Count
-
48
Tensor Cores
-
192
RT Cores
-
48
Theoretical Performance
Pixel Rate
0 MPixel/s
149.8 GPixel/s
Texture Rate
1496 GTexel/s
299.5 GTexel/s
FP16 (half)
383.0 TFLOPS
19.17 TFLOPS
FP32 (float)
47.87 TFLOPS
19.17 TFLOPS
FP64 (double)
47.87 TFLOPS
299.5 GFLOPS
Graphics Processor
GPU Name
Aldebaran
GA104
GPU Variant
Aldebaran XT
GA104-???-A1
Architecture
CDNA 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
6 nm
8 nm
Transistors
58.2 billion
17.4 billion
Die Size
Unknown
392 mm²
Board Design
TDP
500W
140W
Suggested PSU
900 W
300 W
Outputs
No outputs
4x DisplayPort 1.4a
Power Connectors
2x 8-pin
1x 6-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