Product Compare

NVIDIA B300 vs NVIDIA GeForce RTX 3060

GPU GPU
Graphics Card
Release Date Sep 2025 Jan 2021
Generation Server Blackwell GeForce 30
Type Desktop Desktop
Bus Interface PCIe 5.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 1665 MHz 1320 MHz
Boost Clock 2032 MHz 1777 MHz
Memory Clock 2000 MHz 1875 MHz
Memory
Memory Size 144GB 12GB
Memory Type HBM3e GDDR6
Memory Bus 4096bit 192bit
Bandwidth 4.10TB/s 360.0GB/s
Render Config
SM Count 148 28
Shading Units 18944 3584
TMUs 592 112
ROPs 24 48
Tensor Cores 592 112
L1 Cache 256 KB (per SM) 128 KB (per SM)
L2 Cache 50 MB 3 MB
RT Cores 28
Theoretical Performance
Pixel Rate 48.77 GPixel/s 85.30 GPixel/s
Texture Rate 1202.9 GTexel/s 199.0 GTexel/s
FP16 (half) 1231.8 TFLOPS 12.74 TFLOPS
FP32 (float) 76.99 TFLOPS 12.74 TFLOPS
FP64 (double) 1202.9 GFLOPS 199.0 GFLOPS
Graphics Processor
GPU Name GB110 GA106
Architecture Blackwell Ultra Ampere
Foundry TSMC Samsung
Process Size 5 nm 8 nm
Transistors 104 billion 12 billion
Die Size Unknown 276 mm²
GPU Variant GA106-300-A1
Board Design
TDP 1400W 170W
Suggested PSU 1800 W 450 W
Outputs No outputs 1x HDMI 2.13x DisplayPort 1.4a
Power Connectors 1x 12-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 10.3 8.6
Shader Model N/A 6.6