NVIDIA RTX PRO 4000 Blackwell vs NVIDIA Tesla T40 24 GB
GPU · Specs Compare
Graphics Card
Release Date
Mar 2025
Unknown
Generation
Blackwell PRO W
Tesla Turing
Type
Desktop
Professional
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1230 MHz
1305 MHz
Boost Clock
2055 MHz
1560 MHz
Memory Clock
1750 MHz
1625 MHz
Memory
Memory Size
24GB
24GB
Memory Type
GDDR7
GDDR6
Memory Bus
192bit
384bit
Bandwidth
672.0GB/s
624.0GB/s
Render Config
SM Count
70
72
Shading Units
8960
4608
TMUs
280
288
ROPs
96
96
Tensor Cores
280
576
RT Cores
70
72
L1 Cache
128 KB (per SM)
64 KB (per SM)
L2 Cache
48 MB
6 MB
Theoretical Performance
Pixel Rate
197.3 GPixel/s
149.8 GPixel/s
Texture Rate
575.4 GTexel/s
449.3 GTexel/s
FP16 (half)
36.83 TFLOPS
28.75 TFLOPS
FP32 (float)
36.83 TFLOPS
14.38 TFLOPS
FP64 (double)
575.4 GFLOPS
449.3 GFLOPS
Graphics Processor
GPU Name
GB203
TU102
Architecture
Blackwell 2.0
Turing
Foundry
TSMC
TSMC
Process Size
5 nm
12 nm
Transistors
45.6 billion
18.6 billion
Die Size
378 mm²
754 mm²
Board Design
TDP
140W
250W
Suggested PSU
300 W
600 W
Outputs
4x DisplayPort 2.1b
No outputs
Power Connectors
1x 16-pin
1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.4
1.3
CUDA
12.0
7.5
Shader Model
6.8
6.8
▲ Specs Compare
Data sourced from official specifications and benchmark tests.