AMD Radeon RX 550X Mobile vs NVIDIA GB10
GPU Specs Compare
Graphics Card
Release Date
Apr 2018
Oct 2025
Generation
Mobility Radeon
Server Blackwell
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x8
PCIe 5.0 x16
Clock Speeds
Base Clock
1100 MHz
1665 MHz
Boost Clock
1176 MHz
2418 MHz
Memory Clock
1500 MHz
1067 MHz
Memory
Memory Size
2GB
128GB
Memory Type
GDDR5
LPDDR5X
Memory Bus
64bit
256bit
Bandwidth
48.00GB/s
273.2GB/s
Render Config
Compute Units
10
-
Shading Units
640
6144
TMUs
40
384
ROPs
16
48
L1 Cache
16 KB (per CU)
256 KB (per SM)
L2 Cache
512 KB
50 MB
SM Count
-
48
Tensor Cores
-
384
RT Cores
-
48
Theoretical Performance
Pixel Rate
18.82 GPixel/s
116.1 GPixel/s
Texture Rate
47.04 GTexel/s
928.5 GTexel/s
FP16 (half)
1.505 TFLOPS
29.71 TFLOPS
FP32 (float)
1.505 TFLOPS
29.71 TFLOPS
FP64 (double)
94.08 GFLOPS
464.3 GFLOPS
Graphics Processor
GPU Name
Polaris 23
GB20B
GPU Variant
Polaris 23 MXT
-
Architecture
GCN 4.0
Blackwell 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
3 nm
Transistors
2.2 billion
Unknown
Die Size
103 mm²
Unknown
Board Design
TDP
50W
140W
Outputs
No outputs
1x HDMI
Power Connectors
None
None
Suggested PSU
-
300 W
Graphics Features
DirectX
12 (12_0)
N/A
OpenGL
4.6
N/A
OpenCL
2.1
3.0
Vulkan
1.2
N/A
Shader Model
6.4
N/A
CUDA
-
12.1