NVIDIA Quadro NVS 440 PCIe x16 vs NVIDIA B300 SXM6 AC
GPU Specs Compare
Graphics Card
Release Date
Feb 2006
Sep 2025
Generation
Quadro NVS
Server Blackwell
Type
Professional
Desktop
Bus Interface
PCIe 1.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
1855 MHz
1665 MHz
Boost Clock
2495 MHz
2032 MHz
Memory Clock
250 MHz
2000 MHz
Memory
Memory Size
128MB
288GB
Memory Type
GDDR3
HBM3e
Memory Bus
128bit
8192bit
Bandwidth
8.000GB/s
8.19TB/s
Render Config
Compute Units
96
-
Shading Units
6144
18944
TMUs
8
592
ROPs
4
24
RT Cores
96
-
L1 Cache
256 KB per Array
256 KB (per SM)
L2 Cache
6 MB
126 MB
L3 Cache
96 MB
-
SM Count
-
148
Tensor Cores
-
592
Theoretical Performance
Pixel Rate
1.000 GPixel/s
48.77 GPixel/s
Texture Rate
2.000 GTexel/s
1202.9 GTexel/s
FP16 (half)
122.6 TFLOPS
76.99 TFLOPS
FP32 (float)
61.32 TFLOPS
76.99 TFLOPS
FP64 (double)
1.916 TFLOPS
1202.9 GFLOPS
Graphics Processor
GPU Name
NV43
GB110
GPU Variant
NVS440 NPB
-
Architecture
Curie
Blackwell Ultra
Foundry
TSMC
TSMC
Process Size
110 nm
5 nm
Transistors
0.146 billion
208 billion
Die Size
154 mm²
1628 mm²
Board Design
TDP
31W
1100W
Suggested PSU
200 W
1500 W
Outputs
2x DMS-59
No outputs
Power Connectors
None
-
Graphics Features
DirectX
9.0c (9_3)
N/A
OpenGL
2.0 (full)2.1 (partial)
N/A
OpenCL
N/A
3.0
Vulkan
N/A
N/A
Shader Model
3.0
N/A
CUDA
-
10.3