Product Compare

NVIDIA Quadro P620 Mobile vs NVIDIA B300 SXM6 AC

GPU GPU
Graphics Card
Release Date Feb 2018 Sep 2025
Generation Quadro Mobile Server Blackwell
Type Professional Desktop
Bus Interface PCIe 3.0 x16 PCIe 6.0 x16
Clock Speeds
Base Clock 1177 MHz 1665 MHz
Boost Clock 1443 MHz 2032 MHz
Memory Clock 1502 MHz 2000 MHz
Memory
Memory Size 4GB 288GB
Memory Type GDDR5 HBM3e
Memory Bus 128bit 8192bit
Bandwidth 96.13GB/s 8.19TB/s
Render Config
SM Count 4 148
Shading Units 512 18944
TMUs 32 592
ROPs 16 24
L1 Cache 48 KB (per SM) 256 KB (per SM)
L2 Cache 1024 KB 126 MB
Tensor Cores 592
Theoretical Performance
Pixel Rate 23.09 GPixel/s 48.77 GPixel/s
Texture Rate 46.18 GTexel/s 1202.9 GTexel/s
FP16 (half) 23.09 GFLOPS 76.99 TFLOPS
FP32 (float) 1478 GFLOPS 76.99 TFLOPS
FP64 (double) 46.18 GFLOPS 1202.9 GFLOPS
Graphics Processor
GPU Name GP107 GB110
Architecture Pascal Blackwell Ultra
Foundry Samsung TSMC
Process Size 14 nm 5 nm
Transistors 3.3 billion 208 billion
Die Size 132 mm² 1628 mm²
Board Design
TDP 40W 1100W
Outputs No outputs No outputs
Power Connectors None
Suggested PSU 1500 W
Graphics Features
DirectX 12 (12_1) N/A
OpenGL 4.6 N/A
OpenCL 3.0 3.0
Vulkan 1.3 N/A
CUDA 6.1 10.3
Shader Model 6.4 N/A