NVIDIA RTX PRO 4000 Blackwell SFF vs NVIDIA GeForce GTX 965M
GPU · Specs Compare
Graphics Card
Release Date
Aug 2025
Jan 2016
Generation
Blackwell PRO W
GeForce 900M
Type
Desktop
Mobile
Bus Interface
PCIe 5.0 x8
MXM-A (3.0)
Clock Speeds
Base Clock
577 MHz
935 MHz
Boost Clock
1432 MHz
1150 MHz
Memory Clock
1125 MHz
1253 MHz
Memory
Memory Size
24GB
2GB
Memory Type
GDDR7
GDDR5
Memory Bus
192bit
128bit
Bandwidth
432.0GB/s
80.19GB/s
Render Config
SM Count
70
—
Shading Units
8960
1024
TMUs
280
64
ROPs
96
32
Tensor Cores
280
—
RT Cores
70
—
L1 Cache
128 KB (per SM)
48 KB (per SMM)
L2 Cache
48 MB
1024 KB
Theoretical Performance
Pixel Rate
137.5 GPixel/s
36.80 GPixel/s
Texture Rate
401.0 GTexel/s
73.60 GTexel/s
FP16 (half)
25.66 TFLOPS
—
FP32 (float)
25.66 TFLOPS
2.355 TFLOPS
FP64 (double)
401.0 GFLOPS
73.60 GFLOPS
Graphics Processor
GPU Name
GB203
GM206S
Architecture
Blackwell 2.0
Maxwell 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
45.6 billion
2.94 billion
Die Size
378 mm²
228 mm²
GPU Variant
—
N16E-GR-A1
Board Design
TDP
70W
Unknown
Suggested PSU
250 W
—
Outputs
4x mini-DisplayPort 2.1b
Portable Device Dependent
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
5.2
Shader Model
6.8
6.7
Benchmark
3DMark Time Spy
—
1,800
▲ Specs Compare
Data sourced from official specifications and benchmark tests.