NVIDIA GeForce RTX 5070 SUPER vs AMD Radeon RX 550X Mobile
GPU Specs Compare
Graphics Card
Release Date
Jan 2026
Apr 2018
Generation
GeForce 50
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x8
Clock Speeds
Base Clock
2325 MHz
1100 MHz
Boost Clock
2512 MHz
1176 MHz
Memory Clock
1750 MHz
1500 MHz
Memory
Memory Size
18GB
2GB
Memory Type
GDDR7
GDDR5
Memory Bus
192bit
64bit
Bandwidth
672.0GB/s
48.00GB/s
Render Config
SM Count
50
-
Shading Units
6400
640
TMUs
200
40
ROPs
80
16
Tensor Cores
200
-
RT Cores
50
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
48 MB
512 KB
Compute Units
-
10
Theoretical Performance
Pixel Rate
201.0 GPixel/s
18.82 GPixel/s
Texture Rate
502.4 GTexel/s
47.04 GTexel/s
FP16 (half)
32.15 TFLOPS
1.505 TFLOPS
FP32 (float)
32.15 TFLOPS
1.505 TFLOPS
FP64 (double)
502.4 GFLOPS
94.08 GFLOPS
Graphics Processor
GPU Name
GB205
Polaris 23
GPU Variant
GB205-400-A1
Polaris 23 MXT
Architecture
Blackwell 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
5 nm
14 nm
Transistors
31.1 billion
2.2 billion
Die Size
263 mm²
103 mm²
Board Design
TDP
275W
50W
Suggested PSU
600 W
-
Outputs
1x HDMI 2.1b3x DisplayPort 2.1b
No outputs
Power Connectors
1x 16-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.4
1.2
CUDA
12.0
-
Shader Model
6.8
6.4