Product Compare

NVIDIA B300 vs NVIDIA GeForce GTX 950M

GPU GPU
Graphics Card
Release Date Sep 2025 Mar 2015
Generation Server Blackwell GeForce 900M
Type Desktop Mobile
Bus Interface PCIe 5.0 x16 PCIe 3.0 x8
Clock Speeds
Base Clock 1665 MHz 993 MHz
Boost Clock 2032 MHz 1124 MHz
Memory Clock 2000 MHz 900 MHz
Memory
Memory Size 144GB 4GB
Memory Type HBM3e DDR3
Memory Bus 4096bit 128bit
Bandwidth 4.10TB/s 28.80GB/s
Render Config
SM Count 148
Shading Units 18944 640
TMUs 592 40
ROPs 24 16
Tensor Cores 592
L1 Cache 256 KB (per SM) 64 KB (per SMM)
L2 Cache 50 MB 2 MB
Theoretical Performance
Pixel Rate 48.77 GPixel/s 17.98 GPixel/s
Texture Rate 1202.9 GTexel/s 44.96 GTexel/s
FP16 (half) 1231.8 TFLOPS
FP32 (float) 76.99 TFLOPS 1439 GFLOPS
FP64 (double) 1202.9 GFLOPS 44.96 GFLOPS
Graphics Processor
GPU Name GB110 GM107
Architecture Blackwell Ultra Maxwell
Foundry TSMC TSMC
Process Size 5 nm 28 nm
Transistors 104 billion 1.87 billion
Die Size Unknown 148 mm²
GPU Variant N16P-GT
Board Design
TDP 1400W 75W
Suggested PSU 1800 W
Outputs No outputs No outputs
Graphics Features
DirectX N/A 12 (11_0)
OpenGL N/A 4.6
OpenCL 3.0 3.0
Vulkan N/A 1.3
CUDA 10.3 5.0
Shader Model N/A 5.1