NVIDIA GeForce RTX 5080 Mobile vs AMD Radeon Instinct MI308X
GPU Specs Compare
Graphics Card
Release Date
Apr 2025
Dec 2023
Generation
GeForce 50 Mobile
Radeon Instinct
Type
Mobile
Professional
Bus Interface
PCIe 5.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
975 MHz
1000 MHz
Boost Clock
1500 MHz
2100 MHz
Memory Clock
1750 MHz
1300 MHz
Memory
Memory Size
16GB
192GB
Memory Type
GDDR7
HBM3
Memory Bus
256bit
8192bit
Bandwidth
896.0GB/s
5.32TB/s
Render Config
SM Count
60
-
Shading Units
7680
19456
TMUs
240
1216
ROPs
96
0
Tensor Cores
240
1216
RT Cores
60
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
64 MB
16 MB
Compute Units
-
304
L3 Cache
-
256 MB
Theoretical Performance
Pixel Rate
144.0 GPixel/s
0 MPixel/s
Texture Rate
360.0 GTexel/s
2553.6 GTexel/s
FP16 (half)
23.04 TFLOPS
81.72 TFLOPS
FP32 (float)
23.04 TFLOPS
81.72 TFLOPS
FP64 (double)
360.0 GFLOPS
40.86 TFLOPS
Graphics Processor
GPU Name
GB203
Aqua Vanjaram
Architecture
Blackwell 2.0
CDNA 3.0
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
45.6 billion
153 billion
Die Size
378 mm²
1017 mm²
Board Design
TDP
80W
750W
Suggested PSU
550 W
1150 W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.4
N/A
CUDA
12.0
-
Shader Model
6.8
N/A