NVIDIA GB10 vs NVIDIA RTX A5000
GPU · Specs Compare
Graphics Card
Release Date
Oct 2025
Apr 2021
Generation
Server Blackwell
Quadro Ampere
Type
Desktop
Professional
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1665 MHz
1170 MHz
Boost Clock
2418 MHz
1695 MHz
Memory Clock
1067 MHz
2000 MHz
Memory
Memory Size
128GB
24GB
Memory Type
LPDDR5X
GDDR6
Memory Bus
256bit
384bit
Bandwidth
273.2GB/s
768.0GB/s
Render Config
SM Count
48
64
Shading Units
6144
8192
TMUs
384
256
ROPs
48
96
Tensor Cores
384
256
RT Cores
48
64
L1 Cache
256 KB (per SM)
128 KB (per SM)
L2 Cache
50 MB
6 MB
Theoretical Performance
Pixel Rate
116.1 GPixel/s
162.7 GPixel/s
Texture Rate
928.5 GTexel/s
433.9 GTexel/s
FP16 (half)
29.71 TFLOPS
27.77 TFLOPS
FP32 (float)
29.71 TFLOPS
27.77 TFLOPS
FP64 (double)
464.3 GFLOPS
433.9 GFLOPS
Graphics Processor
GPU Name
GB20B
GA102
Architecture
Blackwell 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
3 nm
8 nm
Transistors
Unknown
28.3 billion
Die Size
Unknown
628 mm²
Board Design
TDP
140W
230W
Suggested PSU
300 W
550 W
Outputs
1x HDMI
4x DisplayPort 1.4a
Power Connectors
None
1x 8-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.3
CUDA
12.1
8.6
Shader Model
N/A
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.