NVIDIA B300 SXM6 AC vs NVIDIA GeForce GTX 950M

GPU · Specs Compare

Products
GPU NVIDIA B300 SXM6 AC NVIDIA · 2025-09
GPU NVIDIA GeForce GTX 950M NVIDIA · 2015-03
Graphics Card
Release Date
Sep 2025
Mar 2015
Generation
Server Blackwell
GeForce 900M
Type
Desktop
Mobile
Bus Interface
PCIe 6.0 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
288GB
4GB
Memory Type
HBM3e
DDR3
Memory Bus
8192bit
128bit
Bandwidth
8.19TB/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
126 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)
76.99 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
208 billion
1.87 billion
Die Size
1628 mm²
148 mm²
GPU Variant
—
N16P-GT
Board Design
TDP
1100W
75W
Suggested PSU
1500 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
▲ Specs Compare Data sourced from official specifications and benchmark tests.