NVIDIA RTX PRO 4000 Blackwell vs NVIDIA Quadro NVS 440 PCIe x16
GPU Specs Compare
Graphics Card
Release Date
Mar 2025
Feb 2006
Generation
Blackwell PRO W
Quadro NVS
Type
Desktop
Professional
Bus Interface
PCIe 5.0 x16
PCIe 1.0 x16
Clock Speeds
Base Clock
1230 MHz
1855 MHz
Boost Clock
2055 MHz
2495 MHz
Memory Clock
1750 MHz
250 MHz
Memory
Memory Size
24GB
128MB
Memory Type
GDDR7
GDDR3
Memory Bus
192bit
128bit
Bandwidth
672.0GB/s
8.000GB/s
Render Config
SM Count
70
-
Shading Units
8960
6144
TMUs
280
8
ROPs
96
4
Tensor Cores
280
-
RT Cores
70
96
L1 Cache
128 KB (per SM)
256 KB per Array
L2 Cache
48 MB
6 MB
Compute Units
-
96
L3 Cache
-
96 MB
Theoretical Performance
Pixel Rate
197.3 GPixel/s
1.000 GPixel/s
Texture Rate
575.4 GTexel/s
2.000 GTexel/s
FP16 (half)
36.83 TFLOPS
122.6 TFLOPS
FP32 (float)
36.83 TFLOPS
61.32 TFLOPS
FP64 (double)
575.4 GFLOPS
1.916 TFLOPS
Graphics Processor
GPU Name
GB203
NV43
Architecture
Blackwell 2.0
Curie
Foundry
TSMC
TSMC
Process Size
5 nm
110 nm
Transistors
45.6 billion
0.146 billion
Die Size
378 mm²
154 mm²
GPU Variant
-
NVS440 NPB
Board Design
TDP
140W
31W
Suggested PSU
300 W
200 W
Outputs
4x DisplayPort 2.1b
2x DMS-59
Power Connectors
1x 16-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
9.0c (9_3)
OpenGL
4.6
2.0 (full)2.1 (partial)
OpenCL
3.0
N/A
Vulkan
1.4
N/A
CUDA
12.0
-
Shader Model
6.8
3.0