NVIDIA TITAN RTX vs NVIDIA Rubin GPU
GPU · Specs Compare
Graphics Card
Release Date
Dec 2018
Jan 2026
Generation
GeForce 20
Server Rubin
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
1350 MHz
700 MHz
Boost Clock
1770 MHz
2267 MHz
Memory Clock
1750 MHz
2695 MHz
Memory
Memory Size
24GB
288GB
Memory Type
GDDR6
HBM4
Memory Bus
384bit
16384bit
Bandwidth
672.0GB/s
22.1TB/s
Render Config
SM Count
72
224
Shading Units
4608
28672
TMUs
288
896
ROPs
96
24
Tensor Cores
576
896
RT Cores
72
—
L1 Cache
64 KB (per SM)
256 KB (per SM)
L2 Cache
6 MB
128 MB
Theoretical Performance
Pixel Rate
169.9 GPixel/s
54.41 GPixel/s
Texture Rate
509.8 GTexel/s
2031.2 GTexel/s
FP16 (half)
32.62 TFLOPS
260.0 TFLOPS
FP32 (float)
16.31 TFLOPS
130.0 TFLOPS
FP64 (double)
509.8 GFLOPS
32.50 TFLOPS
Graphics Processor
GPU Name
TU102
GR100
GPU Variant
TU102-400-A1
—
Architecture
Turing
Rubin
Foundry
TSMC
TSMC
Process Size
12 nm
3 nm
Transistors
18.6 billion
336 billion
Die Size
754 mm²
1456 mm²
Board Design
TDP
280W
2300W
Suggested PSU
600 W
2700 W
Outputs
1x HDMI 2.03x DisplayPort 1.4a1x USB Type-C
No outputs
Power Connectors
2x 8-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
7.5
10.7
Shader Model
6.6
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.