NVIDIA GeForce RTX 5080 vs AMD Radeon RX 550X Mobile
GPU Specs Compare
Graphics Card
Release Date
Jan 2025
Apr 2018
Generation
GeForce 50
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x8
Clock Speeds
Base Clock
2295 MHz
1100 MHz
Boost Clock
2617 MHz
1176 MHz
Memory Clock
1875 MHz
1500 MHz
Memory
Memory Size
16GB
2GB
Memory Type
GDDR7
GDDR5
Memory Bus
256bit
64bit
Bandwidth
960.0GB/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
64 MB
512 KB
Compute Units
-
10
Theoretical Performance
Pixel Rate
293.1 GPixel/s
18.82 GPixel/s
Texture Rate
879.3 GTexel/s
47.04 GTexel/s
FP16 (half)
56.28 TFLOPS
1.505 TFLOPS
FP32 (float)
56.28 TFLOPS
1.505 TFLOPS
FP64 (double)
879.3 GFLOPS
94.08 GFLOPS
Graphics Processor
GPU Name
GB203
Polaris 23
GPU Variant
GB203-400-A1
Polaris 23 MXT
Architecture
Blackwell 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
5 nm
14 nm
Transistors
45.6 billion
2.2 billion
Die Size
378 mm²
103 mm²
Board Design
TDP
360W
50W
Suggested PSU
750 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
📊 Benchmark
3DMark Time Spy
33,116
-
3DMark Time Spy Extreme
16,627
-
3DMark Speed Way
9,296
-