NVIDIA B300 vs NVIDIA RTX A2000 Max-Q
GPU · Specs Compare
Graphics Card
Release Date
Sep 2025
Apr 2021
Generation
Server Blackwell
Ampere-MW
Type
Desktop
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1665 MHz
682 MHz
Boost Clock
2032 MHz
1207 MHz
Memory Clock
2000 MHz
1375 MHz
Memory
Memory Size
144GB
4GB
Memory Type
HBM3e
GDDR6
Memory Bus
4096bit
128bit
Bandwidth
4.10TB/s
176.0GB/s
Render Config
SM Count
148
20
Shading Units
18944
2560
TMUs
592
80
ROPs
24
48
Tensor Cores
592
80
L1 Cache
256 KB (per SM)
128 KB (per SM)
L2 Cache
50 MB
2 MB
RT Cores
—
20
Theoretical Performance
Pixel Rate
48.77 GPixel/s
57.94 GPixel/s
Texture Rate
1202.9 GTexel/s
96.56 GTexel/s
FP16 (half)
1231.8 TFLOPS
6.180 TFLOPS
FP32 (float)
76.99 TFLOPS
6.180 TFLOPS
FP64 (double)
1202.9 GFLOPS
96.56 GFLOPS
Graphics Processor
GPU Name
GB110
GA107
Architecture
Blackwell Ultra
Ampere
Foundry
TSMC
Samsung
Process Size
5 nm
8 nm
Transistors
104 billion
8.7 billion
Die Size
Unknown
200 mm²
Board Design
TDP
1400W
95W
Suggested PSU
1800 W
—
Outputs
No outputs
Portable Device Dependent
Power Connectors
—
None
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
10.3
8.6
Shader Model
N/A
6.8
▲ Specs Compare
Data sourced from official specifications and benchmark tests.