NVIDIA Rubin GPU vs NVIDIA PG506 232

GPU Specs Compare

G

NVIDIA Rubin GPU

NVIDIA 2026-01
G

NVIDIA PG506 232

NVIDIA 2021-04

Graphics Card

Release Date
Jan 2026
Apr 2021
Generation
Server Rubin
Tesla
Type
Desktop
Desktop
Bus Interface
PCIe 6.0 x16
PCIe 4.0 x16

Clock Speeds

Base Clock
700 MHz
930 MHz
Boost Clock
2267 MHz
1440 MHz
Memory Clock
2695 MHz
1215 MHz

Memory

Memory Size
288GB
24GB
Memory Type
HBM4
HBM2
Memory Bus
16384bit
3072bit
Bandwidth
22.1TB/s
933.1GB/s

Render Config

SM Count
224
56
Shading Units
28672
3584
TMUs
896
224
ROPs
24
96
Tensor Cores
896
224
L1 Cache
256 KB (per SM)
192 KB (per SM)
L2 Cache
128 MB
24 MB

Theoretical Performance

Pixel Rate
54.41 GPixel/s
138.2 GPixel/s
Texture Rate
2031.2 GTexel/s
322.6 GTexel/s
FP16 (half)
260.0 TFLOPS
10.32 TFLOPS
FP32 (float)
130.0 TFLOPS
10.32 TFLOPS
FP64 (double)
32.50 TFLOPS
5.161 TFLOPS

Graphics Processor

GPU Name
GR100
GA100
Architecture
Rubin
Ampere
Foundry
TSMC
TSMC
Process Size
3 nm
7 nm
Transistors
336 billion
54.2 billion
Die Size
1456 mm²
826 mm²

Board Design

TDP
2300W
165W
Suggested PSU
2700 W
450 W
Outputs
No outputs
No outputs
Power Connectors
-
8-pin EPS

Graphics Features

DirectX
N/A
N/A
OpenGL
N/A
N/A
OpenCL
3.0
3.0
Vulkan
N/A
N/A
CUDA
10.7
8.0
Shader Model
N/A
N/A