NVIDIA GeForce RTX 5080 Mobile vs AMD Radeon R9 M385X
GPU Specs Compare
Graphics Card
Release Date
Apr 2025
May 2015
Generation
GeForce 50 Mobile
Gem System
Type
Mobile
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
975 MHz
1000 MHz
Boost Clock
1500 MHz
1100 MHz
Memory Clock
1750 MHz
1200 MHz
Memory
Memory Size
16GB
4GB
Memory Type
GDDR7
GDDR5
Memory Bus
256bit
128bit
Bandwidth
896.0GB/s
76.80GB/s
Render Config
SM Count
60
-
Shading Units
7680
896
TMUs
240
56
ROPs
96
16
Tensor Cores
240
-
RT Cores
60
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
64 MB
256 KB
Compute Units
-
14
Theoretical Performance
Pixel Rate
144.0 GPixel/s
17.60 GPixel/s
Texture Rate
360.0 GTexel/s
61.60 GTexel/s
FP16 (half)
23.04 TFLOPS
-
FP32 (float)
23.04 TFLOPS
1.971 TFLOPS
FP64 (double)
360.0 GFLOPS
123.2 GFLOPS
Graphics Processor
GPU Name
GB203
Strato
Architecture
Blackwell 2.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
45.6 billion
2.08 billion
Die Size
378 mm²
160 mm²
GPU Variant
-
Strato XT
Board Design
TDP
80W
Unknown
Suggested PSU
550 W
-
Outputs
Portable Device Dependent
Portable Device Dependent
Power Connectors
None
-
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.4
1.2.170
CUDA
12.0
-
Shader Model
6.8
6.5