AMD Radeon R9 M280X vs NVIDIA GeForce RTX 5080 Mobile
GPU Specs Compare
Graphics Card
Release Date
Feb 2015
Apr 2025
Generation
Gem System
GeForce 50 Mobile
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
900 MHz
975 MHz
Boost Clock
1000 MHz
1500 MHz
Memory Clock
1375 MHz
1750 MHz
Memory
Memory Size
4GB
16GB
Memory Type
GDDR5
GDDR7
Memory Bus
128bit
256bit
Bandwidth
88.00GB/s
896.0GB/s
Render Config
Compute Units
14
-
Shading Units
896
7680
TMUs
56
240
ROPs
16
96
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
256 KB
64 MB
SM Count
-
60
Tensor Cores
-
240
RT Cores
-
60
Theoretical Performance
Pixel Rate
16.00 GPixel/s
144.0 GPixel/s
Texture Rate
56.00 GTexel/s
360.0 GTexel/s
FP32 (float)
1.792 TFLOPS
23.04 TFLOPS
FP64 (double)
112.0 GFLOPS
360.0 GFLOPS
FP16 (half)
-
23.04 TFLOPS
Graphics Processor
GPU Name
Saturn
GB203
GPU Variant
Saturn XT(216-0843024)
-
Architecture
GCN 2.0
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
2.08 billion
45.6 billion
Die Size
160 mm²
378 mm²
Board Design
TDP
Unknown
80W
Outputs
Portable Device Dependent
Portable Device Dependent
Suggested PSU
-
550 W
Power Connectors
-
None
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.2.170
1.4
Shader Model
6.5
6.8
CUDA
-
12.0