NVIDIA GeForce RTX 4080 Max-Q vs NVIDIA GeForce RTX 2080 Mobile
GPU Specs Compare
Graphics Card
Release Date
Jan 2023
Jan 2019
Generation
GeForce 40 Mobile
GeForce 20 Mobile
Type
Mobile
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
795 MHz
1380 MHz
Boost Clock
1350 MHz
1590 MHz
Memory Clock
1750 MHz
1750 MHz
Memory
Memory Size
12GB
8GB
Memory Type
GDDR6
GDDR6
Memory Bus
192bit
256bit
Bandwidth
336.0GB/s
448.0GB/s
Render Config
SM Count
58
46
Shading Units
7424
2944
TMUs
232
184
ROPs
80
64
Tensor Cores
232
368
RT Cores
58
46
L1 Cache
128 KB (per SM)
64 KB (per SM)
L2 Cache
48 MB
4 MB
Theoretical Performance
Pixel Rate
108.0 GPixel/s
101.8 GPixel/s
Texture Rate
313.2 GTexel/s
292.6 GTexel/s
FP16 (half)
20.04 TFLOPS
18.72 TFLOPS
FP32 (float)
20.04 TFLOPS
9.362 TFLOPS
FP64 (double)
313.2 GFLOPS
292.6 GFLOPS
Graphics Processor
GPU Name
AD104
TU104
GPU Variant
GN21-X9
N18E-G3-A1
Architecture
Ada Lovelace
Turing
Foundry
TSMC
TSMC
Process Size
4 nm
12 nm
Transistors
35.8 billion
13.6 billion
Die Size
295 mm²
545 mm²
Board Design
TDP
60W
150W
Outputs
Portable Device Dependent
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
8.9
7.5
Shader Model
6.7
6.6