Product Compare

NVIDIA B300 vs NVIDIA GeForce GTX 670

GPU GPU
Graphics Card
Release Date Sep 2025 May 2012
Generation Server Blackwell GeForce 600
Type Desktop Desktop
Bus Interface PCIe 5.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 1665 MHz 915 MHz
Boost Clock 2032 MHz 980 MHz
Memory Clock 2000 MHz 1502 MHz
Memory
Memory Size 144GB 2GB
Memory Type HBM3e GDDR5
Memory Bus 4096bit 256bit
Bandwidth 4.10TB/s 192.3GB/s
Render Config
SM Count 148
Shading Units 18944 1344
TMUs 592 112
ROPs 24 32
Tensor Cores 592
L1 Cache 256 KB (per SM) 16 KB (per SMX)
L2 Cache 50 MB 512 KB
Theoretical Performance
Pixel Rate 48.77 GPixel/s 27.44 GPixel/s
Texture Rate 1202.9 GTexel/s 109.8 GTexel/s
FP16 (half) 1231.8 TFLOPS
FP32 (float) 76.99 TFLOPS 2.634 TFLOPS
FP64 (double) 1202.9 GFLOPS 109.8 GFLOPS
Graphics Processor
GPU Name GB110 GK104
Architecture Blackwell Ultra Kepler
Foundry TSMC TSMC
Process Size 5 nm 28 nm
Transistors 104 billion 3.54 billion
Die Size Unknown 294 mm²
GPU Variant GK104-325-A2
Board Design
TDP 1400W 170W
Suggested PSU 1800 W 450 W
Outputs No outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors 2x 6-pin
Graphics Features
DirectX N/A 12 (11_0)
OpenGL N/A 4.6
OpenCL 3.0 3.0
Vulkan N/A 1.1
CUDA 10.3 3.0
Shader Model N/A 5.1