NVIDIA GeForce RTX 3080 Ti 20 GB vs NVIDIA Rubin Ultra GPU
GPU · Specs Compare
Graphics Card
Release Date
Jun 2025
Jan 2027
Generation
Navi IV
Server Rubin
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
1700 MHz
700 MHz
Boost Clock
3130 MHz
2267 MHz
Memory Clock
2518 MHz
1900 MHz
Memory
Memory Size
8GB
1024GB
Memory Type
GDDR6
HBM4e
Memory Bus
128bit
32768bit
Bandwidth
322.3GB/s
31.1TB/s
Render Config
SM Count
80
448
Compute Units
32
—
Shading Units
2048
57344
TMUs
128
1792
ROPs
64
24
Tensor Cores
320
1792
RT Cores
32
—
L1 Cache
128 KB (per SM)
256 KB (per SM)
L2 Cache
4 MB
128 MB
L3 Cache
32 MB
—
Theoretical Performance
Pixel Rate
200.3 GPixel/s
54.41 GPixel/s
Texture Rate
400.6 GTexel/s
4062.5 GTexel/s
FP16 (half)
51.28 TFLOPS
520.0 TFLOPS
FP32 (float)
25.64 TFLOPS
260.0 TFLOPS
FP64 (double)
801.3 GFLOPS
65.00 TFLOPS
Graphics Processor
GPU Name
Navi 44
GR110
GPU Variant
Navi 44 XT(215-176400102)
—
Architecture
RDNA 4.0
Rubin Ultra
Foundry
TSMC
TSMC
Process Size
4 nm
3 nm
Transistors
29.7 billion
670 billion
Die Size
199 mm²
2912 mm²
Board Design
TDP
150W
3600W
Suggested PSU
450 W
4000 W
Outputs
1x HDMI 2.1b2x DisplayPort 2.1a
No outputs
Power Connectors
1x 8-pin
—
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
2.2
3.0
Vulkan
1.3
N/A
CUDA
8.6
10.7
Shader Model
6.8
N/A
Benchmark
Blender
5,956
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.