NVIDIA GeForce RTX 3080 Mobile 16 GB vs AMD Radeon R9 280X
GPU Specs Compare
Graphics Card
Release Date
Jan 2021
Oct 2013
Generation
GeForce 30 Mobile
Volcanic Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1110 MHz
850 MHz
Boost Clock
1545 MHz
1000 MHz
Memory Clock
1750 MHz
1500 MHz
Memory
Memory Size
16GB
3GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
384bit
Bandwidth
448.0GB/s
288.0GB/s
Render Config
SM Count
48
-
Shading Units
6144
2048
TMUs
192
128
ROPs
96
32
Tensor Cores
192
-
RT Cores
48
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
4 MB
768 KB
Compute Units
-
32
Theoretical Performance
Pixel Rate
148.3 GPixel/s
32.00 GPixel/s
Texture Rate
296.6 GTexel/s
128.0 GTexel/s
FP16 (half)
18.98 TFLOPS
-
FP32 (float)
18.98 TFLOPS
4.096 TFLOPS
FP64 (double)
296.6 GFLOPS
1024 GFLOPS
Graphics Processor
GPU Name
GA104
Tahiti
GPU Variant
GA104-775-A1
Tahiti XTL(215-0821065)
Architecture
Ampere
GCN 1.0
Foundry
Samsung
TSMC
Process Size
8 nm
28 nm
Transistors
17.4 billion
4.313 billion
Die Size
392 mm²
352 mm²
Board Design
TDP
115W
250W
Outputs
Portable Device Dependent
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin + 1x 8-pin
Suggested PSU
-
600 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.3
1.2
CUDA
8.6
-
Shader Model
6.8
5.1