NVIDIA GeForce RTX 3080 Mobile 16 GB vs NVIDIA GeForce RTX 4090 Max-Q
GPU Specs Compare
Graphics Card
Release Date
Jan 2021
Jan 2023
Generation
GeForce 30 Mobile
GeForce 40 Mobile
Type
Mobile
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1110 MHz
930 MHz
Boost Clock
1545 MHz
1455 MHz
Memory Clock
1750 MHz
1750 MHz
Memory
Memory Size
16GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
256bit
Bandwidth
448.0GB/s
448.0GB/s
Render Config
SM Count
48
76
Shading Units
6144
9728
TMUs
192
304
ROPs
96
112
Tensor Cores
192
304
RT Cores
48
76
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
4 MB
64 MB
Theoretical Performance
Pixel Rate
148.3 GPixel/s
163.0 GPixel/s
Texture Rate
296.6 GTexel/s
442.3 GTexel/s
FP16 (half)
18.98 TFLOPS
28.31 TFLOPS
FP32 (float)
18.98 TFLOPS
28.31 TFLOPS
FP64 (double)
296.6 GFLOPS
442.3 GFLOPS
Graphics Processor
GPU Name
GA104
AD103
GPU Variant
GA104-775-A1
GN21-X11
Architecture
Ampere
Ada Lovelace
Foundry
Samsung
TSMC
Process Size
8 nm
4 nm
Transistors
17.4 billion
45.9 billion
Die Size
392 mm²
379 mm²
Board Design
TDP
115W
80W
Outputs
Portable Device Dependent
Portable Device Dependent
Power Connectors
None
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
8.6
8.9
Shader Model
6.8
6.7