NVIDIA RTX A4000 Max-Q vs AMD Radeon 550X Mobile
GPU Specs Compare
Graphics Card
Release Date
Apr 2021
Apr 2018
Generation
Ampere-MW
Mobility Radeon
Type
Mobile
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x8
Clock Speeds
Base Clock
780 MHz
1100 MHz
Boost Clock
1395 MHz
1287 MHz
Memory Clock
1375 MHz
1500 MHz
Memory
Memory Size
8GB
4GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
64bit
Bandwidth
352.0GB/s
48.00GB/s
Render Config
SM Count
40
-
Shading Units
5120
640
TMUs
160
40
ROPs
80
16
Tensor Cores
160
-
RT Cores
40
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
4 MB
256 KB
Compute Units
-
10
Theoretical Performance
Pixel Rate
111.6 GPixel/s
20.59 GPixel/s
Texture Rate
223.2 GTexel/s
51.48 GTexel/s
FP16 (half)
14.28 TFLOPS
1.647 TFLOPS
FP32 (float)
14.28 TFLOPS
1.647 TFLOPS
FP64 (double)
223.2 GFLOPS
103.0 GFLOPS
Graphics Processor
GPU Name
GA104
Polaris 23
Architecture
Ampere
GCN 4.0
Foundry
Samsung
GlobalFoundries
Process Size
8 nm
14 nm
Transistors
17.4 billion
2.2 billion
Die Size
392 mm²
103 mm²
GPU Variant
-
Polaris 23 MXT
Board Design
TDP
80W
50W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
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
6.8
6.4