NVIDIA GeForce RTX 4090 D vs NVIDIA Rubin GPU
GPU · Specs Compare
Graphics Card
Release Date
Dec 2023
Jan 2026
Generation
GeForce 40
Server Rubin
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
2280 MHz
700 MHz
Boost Clock
2520 MHz
2267 MHz
Memory Clock
1313 MHz
2695 MHz
Memory
Memory Size
24GB
288GB
Memory Type
GDDR6X
HBM4
Memory Bus
384bit
16384bit
Bandwidth
1008GB/s
22.1TB/s
Render Config
SM Count
114
224
Shading Units
14592
28672
TMUs
456
896
ROPs
176
24
Tensor Cores
456
896
RT Cores
114
—
L1 Cache
128 KB (per SM)
256 KB (per SM)
L2 Cache
72 MB
128 MB
Theoretical Performance
Pixel Rate
443.5 GPixel/s
54.41 GPixel/s
Texture Rate
1149 GTexel/s
2031.2 GTexel/s
FP16 (half)
73.54 TFLOPS
260.0 TFLOPS
FP32 (float)
73.54 TFLOPS
130.0 TFLOPS
FP64 (double)
1149 GFLOPS
32.50 TFLOPS
Graphics Processor
GPU Name
AD102
GR100
GPU Variant
AD102-250-A1
—
Architecture
Ada Lovelace
Rubin
Foundry
TSMC
TSMC
Process Size
5 nm
3 nm
Transistors
76.3 billion
336 billion
Die Size
609 mm²
1456 mm²
Board Design
TDP
425W
2300W
Suggested PSU
800 W
2700 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
No outputs
Power Connectors
1x 16-pin
—
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
6.7
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.