NVIDIA A40 PCIe vs AMD Radeon 550X Mobile
GPU Specs Compare
Graphics Card
Release Date
Oct 2020
Apr 2018
Generation
Tesla
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x8
Clock Speeds
Base Clock
1305 MHz
1100 MHz
Boost Clock
1740 MHz
1287 MHz
Memory Clock
1812 MHz
1500 MHz
Memory
Memory Size
48GB
4GB
Memory Type
GDDR6
GDDR5
Memory Bus
384bit
64bit
Bandwidth
695.8GB/s
48.00GB/s
Render Config
SM Count
84
-
Shading Units
10752
640
TMUs
336
40
ROPs
112
16
Tensor Cores
336
-
RT Cores
84
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
6 MB
256 KB
Compute Units
-
10
Theoretical Performance
Pixel Rate
194.9 GPixel/s
20.59 GPixel/s
Texture Rate
584.6 GTexel/s
51.48 GTexel/s
FP16 (half)
37.42 TFLOPS
1.647 TFLOPS
FP32 (float)
37.42 TFLOPS
1.647 TFLOPS
FP64 (double)
584.6 GFLOPS
103.0 GFLOPS
Graphics Processor
GPU Name
GA102
Polaris 23
Architecture
Ampere
GCN 4.0
Foundry
Samsung
GlobalFoundries
Process Size
8 nm
14 nm
Transistors
28.3 billion
2.2 billion
Die Size
628 mm²
103 mm²
GPU Variant
-
Polaris 23 MXT
Board Design
TDP
300W
50W
Suggested PSU
700 W
-
Outputs
3x DisplayPort 1.4a
No outputs
Power Connectors
8-pin EPS
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.3
1.2
CUDA
8.6
-
Shader Model
6.6
6.4