NVIDIA GeForce RTX 4090 Mobile vs NVIDIA Rubin Ultra GPU
GPU · Specs Compare
Graphics Card
Release Date
Jan 2023
Jan 2027
Generation
GeForce 40 Mobile
Server Rubin
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
1335 MHz
700 MHz
Boost Clock
1695 MHz
2267 MHz
Memory Clock
2250 MHz
1900 MHz
Memory
Memory Size
16GB
1024GB
Memory Type
GDDR6
HBM4e
Memory Bus
256bit
32768bit
Bandwidth
576.0GB/s
31.1TB/s
Render Config
SM Count
76
448
Shading Units
9728
57344
TMUs
304
1792
ROPs
112
24
Tensor Cores
304
1792
RT Cores
76
—
L1 Cache
128 KB (per SM)
256 KB (per SM)
L2 Cache
64 MB
128 MB
Theoretical Performance
Pixel Rate
189.8 GPixel/s
54.41 GPixel/s
Texture Rate
515.3 GTexel/s
4062.5 GTexel/s
FP16 (half)
32.98 TFLOPS
520.0 TFLOPS
FP32 (float)
32.98 TFLOPS
260.0 TFLOPS
FP64 (double)
515.3 GFLOPS
65.00 TFLOPS
Graphics Processor
GPU Name
AD103
GR110
GPU Variant
GN21-X11
—
Architecture
Ada Lovelace
Rubin Ultra
Foundry
TSMC
TSMC
Process Size
5 nm
3 nm
Transistors
45.9 billion
670 billion
Die Size
379 mm²
2912 mm²
Board Design
TDP
120W
3600W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
—
Suggested PSU
—
4000 W
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.3
N/A
CUDA
8.9
10.7
Shader Model
6.8
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.