NVIDIA RTX A5000-12Q vs NVIDIA Rubin GPU
GPU Specs Compare
Graphics Card
Release Date
Apr 2021
Jan 2026
Generation
Quadro Ampere
Server Rubin
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
1170 MHz
700 MHz
Boost Clock
1695 MHz
2267 MHz
Memory Clock
2000 MHz
2695 MHz
Memory
Memory Size
12GB
288GB
Memory Type
GDDR6
HBM4
Memory Bus
384bit
16384bit
Bandwidth
768.0GB/s
22.1TB/s
Render Config
SM Count
64
224
Shading Units
8192
28672
TMUs
256
896
ROPs
96
24
Tensor Cores
256
896
RT Cores
64
-
L1 Cache
128 KB (per SM)
256 KB (per SM)
L2 Cache
6 MB
128 MB
Theoretical Performance
Pixel Rate
162.7 GPixel/s
54.41 GPixel/s
Texture Rate
433.9 GTexel/s
2031.2 GTexel/s
FP16 (half)
27.77 TFLOPS
260.0 TFLOPS
FP32 (float)
27.77 TFLOPS
130.0 TFLOPS
FP64 (double)
433.9 GFLOPS
32.50 TFLOPS
Graphics Processor
GPU Name
GA102
GR100
Architecture
Ampere
Rubin
Foundry
Samsung
TSMC
Process Size
8 nm
3 nm
Transistors
28.3 billion
336 billion
Die Size
628 mm²
1456 mm²
Board Design
TDP
230W
2300W
Suggested PSU
550 W
2700 W
Outputs
4x DisplayPort 1.4a
No outputs
Power Connectors
1x 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
8.6
10.7
Shader Model
6.7
N/A