NVIDIA GeForce RTX 2080 Mobile vs NVIDIA GeForce RTX 3080 Mobile
GPU Specs Compare
Graphics Card
Release Date
Jan 2019
Jan 2021
Generation
GeForce 20 Mobile
GeForce 30 Mobile
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1380 MHz
1110 MHz
Boost Clock
1590 MHz
1545 MHz
Memory Clock
1750 MHz
1750 MHz
Memory
Memory Size
8GB
8GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
256bit
Bandwidth
448.0GB/s
448.0GB/s
Render Config
SM Count
46
48
Shading Units
2944
6144
TMUs
184
192
ROPs
64
96
Tensor Cores
368
192
RT Cores
46
48
L1 Cache
64 KB (per SM)
128 KB (per SM)
L2 Cache
4 MB
4 MB
Theoretical Performance
Pixel Rate
101.8 GPixel/s
148.3 GPixel/s
Texture Rate
292.6 GTexel/s
296.6 GTexel/s
FP16 (half)
18.72 TFLOPS
18.98 TFLOPS
FP32 (float)
9.362 TFLOPS
18.98 TFLOPS
FP64 (double)
292.6 GFLOPS
296.6 GFLOPS
Graphics Processor
GPU Name
TU104
GA104
GPU Variant
N18E-G3-A1
GA104-775-A1
Architecture
Turing
Ampere
Foundry
TSMC
Samsung
Process Size
12 nm
8 nm
Transistors
13.6 billion
17.4 billion
Die Size
545 mm²
392 mm²
Board Design
TDP
150W
115W
Outputs
No outputs
No outputs
Power Connectors
-
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.3
CUDA
7.5
8.6
Shader Model
6.6
6.6