AMD Radeon RX Vega M GH vs NVIDIA GeForce RTX 5080 Mobile
GPU Specs Compare
Graphics Card
Release Date
Feb 2018
Apr 2025
Generation
Vega
GeForce 50 Mobile
Type
Mobile
Mobile
Bus Interface
IGP
PCIe 5.0 x16
Clock Speeds
Base Clock
1063 MHz
975 MHz
Boost Clock
1190 MHz
1500 MHz
Memory Clock
800 MHz
1750 MHz
Memory
Memory Size
4GB
16GB
Memory Type
HBM2
GDDR7
Memory Bus
1024bit
256bit
Bandwidth
204.8GB/s
896.0GB/s
Render Config
Compute Units
24
-
Shading Units
1536
7680
TMUs
96
240
ROPs
64
96
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
1024 KB
64 MB
SM Count
-
60
Tensor Cores
-
240
RT Cores
-
60
Theoretical Performance
Pixel Rate
76.16 GPixel/s
144.0 GPixel/s
Texture Rate
114.2 GTexel/s
360.0 GTexel/s
FP16 (half)
3.656 TFLOPS
23.04 TFLOPS
FP32 (float)
3.656 TFLOPS
23.04 TFLOPS
FP64 (double)
228.5 GFLOPS
360.0 GFLOPS
Graphics Processor
GPU Name
Polaris 22
GB203
GPU Variant
VegaM XT(C7398773)
-
Architecture
GCN 4.0
Blackwell 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
5 nm
Transistors
5 billion
45.6 billion
Die Size
208 mm²
378 mm²
Board Design
TDP
100W
80W
Outputs
No outputs
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
1.4
Shader Model
6.4
6.8
CUDA
-
12.0