AMD Radeon HD 7870 GHz Edition vs NVIDIA GeForce RTX 3080 Mobile
GPU Specs Compare
Graphics Card
Release Date
Mar 2012
Jan 2021
Generation
Southern Islands
GeForce 30 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1200 MHz
1750 MHz
Base Clock
-
1110 MHz
Boost Clock
-
1545 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
256bit
Bandwidth
153.6GB/s
448.0GB/s
Render Config
Compute Units
20
-
Shading Units
1280
6144
TMUs
80
192
ROPs
32
96
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
4 MB
SM Count
-
48
Tensor Cores
-
192
RT Cores
-
48
Theoretical Performance
Pixel Rate
32.00 GPixel/s
148.3 GPixel/s
Texture Rate
80.00 GTexel/s
296.6 GTexel/s
FP32 (float)
2.560 TFLOPS
18.98 TFLOPS
FP64 (double)
160.0 GFLOPS
296.6 GFLOPS
FP16 (half)
-
18.98 TFLOPS
Graphics Processor
GPU Name
Pitcairn
GA104
GPU Variant
Pitcairn XT(215-0828047)
GA104-775-A1
Architecture
GCN 1.0
Ampere
Foundry
TSMC
Samsung
Process Size
28 nm
8 nm
Transistors
2.8 billion
17.4 billion
Die Size
212 mm²
392 mm²
Board Design
TDP
175W
115W
Suggested PSU
450 W
-
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Power Connectors
2x 6-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
1.3
Shader Model
5.1
6.6
CUDA
-
8.6