NVIDIA RTX PRO 4000 Blackwell SFF vs NVIDIA GeForce GTX 1650 GDDR6
GPU Specs Compare
Graphics Card
Release Date
Aug 2025
Apr 2020
Generation
Blackwell PRO W
GeForce 16
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
577 MHz
1410 MHz
Boost Clock
1432 MHz
1590 MHz
Memory Clock
1125 MHz
1500 MHz
Memory
Memory Size
24GB
4GB
Memory Type
GDDR7
GDDR6
Memory Bus
192bit
128bit
Bandwidth
432.0GB/s
192.0GB/s
Render Config
SM Count
70
14
Shading Units
8960
896
TMUs
280
56
ROPs
96
32
Tensor Cores
280
-
RT Cores
70
-
L1 Cache
128 KB (per SM)
64 KB (per SM)
L2 Cache
48 MB
1024 KB
Theoretical Performance
Pixel Rate
137.5 GPixel/s
50.88 GPixel/s
Texture Rate
401.0 GTexel/s
89.04 GTexel/s
FP16 (half)
25.66 TFLOPS
5.699 TFLOPS
FP32 (float)
25.66 TFLOPS
2.849 TFLOPS
FP64 (double)
401.0 GFLOPS
89.04 GFLOPS
Graphics Processor
GPU Name
GB203
TU117
Architecture
Blackwell 2.0
Turing
Foundry
TSMC
TSMC
Process Size
5 nm
12 nm
Transistors
45.6 billion
4.7 billion
Die Size
378 mm²
200 mm²
GPU Variant
-
TU117-300-A1
Board Design
TDP
70W
75W
Suggested PSU
250 W
250 W
Outputs
4x mini-DisplayPort 2.1b
1x DVI1x HDMI 2.01x DisplayPort 1.4a
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.4
1.3
CUDA
12.0
7.5
Shader Model
6.8
6.6