NVIDIA GeForce RTX 4090 Max-Q vs NVIDIA GeForce RTX 3080 Ti Max Q
GPU · Specs Compare
Graphics Card
Release Date
Jan 2023
Jan 2022
Generation
GeForce 40 Mobile
GeForce 30 Mobile
Type
Mobile
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
930 MHz
585 MHz
Boost Clock
1455 MHz
1125 MHz
Memory Clock
1750 MHz
1500 MHz
Memory
Memory Size
16GB
16GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
256bit
Bandwidth
448.0GB/s
384.0GB/s
Render Config
SM Count
76
58
Shading Units
9728
7424
TMUs
304
232
ROPs
112
96
Tensor Cores
304
232
RT Cores
76
58
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
64 MB
4 MB
Theoretical Performance
Pixel Rate
163.0 GPixel/s
108.0 GPixel/s
Texture Rate
442.3 GTexel/s
261.0 GTexel/s
FP16 (half)
28.31 TFLOPS
16.70 TFLOPS
FP32 (float)
28.31 TFLOPS
16.70 TFLOPS
FP64 (double)
442.3 GFLOPS
261.0 GFLOPS
Graphics Processor
GPU Name
AD103
GA103S
GPU Variant
GN21-X11
GN20-E8-A1
Architecture
Ada Lovelace
Ampere
Foundry
TSMC
Samsung
Process Size
4 nm
8 nm
Transistors
45.9 billion
Unknown
Die Size
379 mm²
496 mm²
Board Design
TDP
80W
80W
Outputs
Portable Device Dependent
No outputs
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
8.9
8.6
Shader Model
6.7
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.