NVIDIA GeForce RTX 5080 Mobile vs AMD Radeon HD 8970M
GPU Specs Compare
Graphics Card
Release Date
Apr 2025
May 2013
Generation
GeForce 50 Mobile
Solar System
Type
Mobile
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
975 MHz
850 MHz
Boost Clock
1500 MHz
900 MHz
Memory Clock
1750 MHz
1200 MHz
Memory
Memory Size
16GB
4GB
Memory Type
GDDR7
GDDR5
Memory Bus
256bit
256bit
Bandwidth
896.0GB/s
153.6GB/s
Render Config
SM Count
60
-
Shading Units
7680
1280
TMUs
240
80
ROPs
96
32
Tensor Cores
240
-
RT Cores
60
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
64 MB
512 KB
Compute Units
-
20
Theoretical Performance
Pixel Rate
144.0 GPixel/s
28.80 GPixel/s
Texture Rate
360.0 GTexel/s
72.00 GTexel/s
FP16 (half)
23.04 TFLOPS
-
FP32 (float)
23.04 TFLOPS
2.304 TFLOPS
FP64 (double)
360.0 GFLOPS
144.0 GFLOPS
Graphics Processor
GPU Name
GB203
Neptune
Architecture
Blackwell 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
45.6 billion
2.8 billion
Die Size
378 mm²
212 mm²
GPU Variant
-
Neptune XT(216-0847000)
Board Design
TDP
80W
100W
Suggested PSU
550 W
-
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
-
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.4
1.2
CUDA
12.0
-
Shader Model
6.8
5.1