NVIDIA RTX A4000 Max-Q vs AMD Radeon Instinct MI250
GPU Specs Compare
Graphics Card
Release Date
Apr 2021
Nov 2021
Generation
Ampere-MW
Radeon Instinct
Type
Mobile
Professional
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
780 MHz
1000 MHz
Boost Clock
1395 MHz
1700 MHz
Memory Clock
1375 MHz
1600 MHz
Memory
Memory Size
8GB
128GB
Memory Type
GDDR6
HBM2e
Memory Bus
256bit
8192bit
Bandwidth
352.0GB/s
3277GB/s
Render Config
SM Count
40
-
Shading Units
5120
13312
TMUs
160
832
ROPs
80
0
Tensor Cores
160
-
RT Cores
40
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
4 MB
16 MB
Compute Units
-
208
Theoretical Performance
Pixel Rate
111.6 GPixel/s
0 MPixel/s
Texture Rate
223.2 GTexel/s
1414 GTexel/s
FP16 (half)
14.28 TFLOPS
362.1 TFLOPS
FP32 (float)
14.28 TFLOPS
45.26 TFLOPS
FP64 (double)
223.2 GFLOPS
45.26 TFLOPS
Graphics Processor
GPU Name
GA104
Aldebaran
Architecture
Ampere
CDNA 2.0
Foundry
Samsung
TSMC
Process Size
8 nm
6 nm
Transistors
17.4 billion
58.2 billion
Die Size
392 mm²
Unknown
GPU Variant
-
Aldebaran
Board Design
TDP
80W
500W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
2x 8-pin
Suggested PSU
-
900 W
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.3
N/A
CUDA
8.6
-
Shader Model
6.8
N/A