NVIDIA GeForce RTX 4090 Max-Q vs NVIDIA GeForce RTX 3080 Ti Max Q
We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Max Q and 16GB VRAM GeForce RTX 3080 Ti Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce RTX 4090 Max-Q 's Advantages
Released 1 years late
Boost Clock has increased by 29% (1455MHz vs 1125MHz)
Larger VRAM bandwidth (448.0GB/s vs 384.0GB/s)
2304 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce RTX 4090 Max Q
+69%
28.31 TFLOPS
GeForce RTX 3080 Ti Max Q
16.7 TFLOPS
Graphics Card
Jan 2023
Release Date
Jan 2022
GeForce 40 Mobile
Generation
GeForce 30 Mobile
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
930 MHz
Base Clock
585 MHz
1455 MHz
Boost Clock
1125 MHz
1750 MHz
Memory Clock
1500 MHz
Memory
16GB
Memory Size
16GB
GDDR6
Memory Type
GDDR6
256bit
Memory Bus
256bit
448.0GB/s
Bandwidth
384.0GB/s
Render Config
-
-
-
76
SM Count
58
9728
Shading Units
7424
304
TMUs
232
112
ROPs
96
304
Tensor Cores
232
76
RT Cores
58
128 KB (per SM)
L1 Cache
128 KB (per SM)
64 MB
L2 Cache
4 MB
-
-
-
Theoretical Performance
163.0 GPixel/s
Pixel Rate
108.0 GPixel/s
442.3 GTexel/s
Texture Rate
261.0 GTexel/s
28.31 TFLOPS
FP16 (half)
16.70 TFLOPS
28.31 TFLOPS
FP32 (float)
16.70 TFLOPS
442.3 GFLOPS
FP64 (double)
261.0 GFLOPS
Board Design
80W
TDP
80W
-
-
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
AD103
GPU Name
GA103S
GN21-X11
GPU Variant
GN20-E8-A1
Ada Lovelace
Architecture
Ampere
TSMC
Foundry
Samsung
4 nm
Process Size
8 nm
45.9 billion
Transistors
Unknown
379 mm²
Die Size
496 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
8.9
CUDA
8.6
6.7
Shader Model
6.5
