NVIDIA RTX A2000 Mobile 8 GB vs NVIDIA B300
GPU · Specs Compare
Graphics Card
Release Date
Apr 2021
Sep 2025
Generation
Ampere-MW
Server Blackwell
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1117 MHz
1665 MHz
Boost Clock
1612 MHz
2032 MHz
Memory Clock
1750 MHz
2000 MHz
Memory
Memory Size
8GB
144GB
Memory Type
GDDR6
HBM3e
Memory Bus
128bit
4096bit
Bandwidth
224.0GB/s
4.10TB/s
Render Config
SM Count
20
148
Shading Units
2560
18944
TMUs
80
592
ROPs
48
24
Tensor Cores
80
592
RT Cores
20
—
L1 Cache
128 KB (per SM)
256 KB (per SM)
L2 Cache
2 MB
50 MB
Theoretical Performance
Pixel Rate
77.38 GPixel/s
48.77 GPixel/s
Texture Rate
129.0 GTexel/s
1202.9 GTexel/s
FP16 (half)
8.253 TFLOPS
1231.8 TFLOPS
FP32 (float)
8.253 TFLOPS
76.99 TFLOPS
FP64 (double)
129.0 GFLOPS
1202.9 GFLOPS
Graphics Processor
GPU Name
GA107
GB110
Architecture
Ampere
Blackwell Ultra
Foundry
Samsung
TSMC
Process Size
8 nm
5 nm
Transistors
8.7 billion
104 billion
Die Size
200 mm²
Unknown
Board Design
TDP
95W
1400W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
—
Suggested PSU
—
1800 W
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
10.3
Shader Model
6.8
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.