AMD Radeon HD 7970 GHz Edition vs NVIDIA GeForce RTX 5080 Mobile
GPU Specs Compare
Graphics Card
Release Date
Jun 2012
Apr 2025
Generation
Southern Islands
GeForce 50 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1000 MHz
975 MHz
Boost Clock
1050 MHz
1500 MHz
Memory Clock
1500 MHz
1750 MHz
Memory
Memory Size
3GB
16GB
Memory Type
GDDR5
GDDR7
Memory Bus
384bit
256bit
Bandwidth
288.0GB/s
896.0GB/s
Render Config
Compute Units
32
-
Shading Units
2048
7680
TMUs
128
240
ROPs
32
96
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
768 KB
64 MB
SM Count
-
60
Tensor Cores
-
240
RT Cores
-
60
Theoretical Performance
Pixel Rate
33.60 GPixel/s
144.0 GPixel/s
Texture Rate
134.4 GTexel/s
360.0 GTexel/s
FP32 (float)
4.301 TFLOPS
23.04 TFLOPS
FP64 (double)
1075 GFLOPS
360.0 GFLOPS
FP16 (half)
-
23.04 TFLOPS
Graphics Processor
GPU Name
Tahiti
GB203
GPU Variant
Tahiti XT2(215-0821065)
-
Architecture
GCN 1.0
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
4.313 billion
45.6 billion
Die Size
352 mm²
378 mm²
Board Design
TDP
300W
80W
Suggested PSU
700 W
550 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Portable Device Dependent
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.4
Shader Model
5.1
6.8
CUDA
-
12.0