NVIDIA Tesla T40 24 GB vs NVIDIA B300
GPU · Specs Compare
Graphics Card
Release Date
Unknown
Sep 2025
Generation
Tesla Turing
Server Blackwell
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1305 MHz
1665 MHz
Boost Clock
1560 MHz
2032 MHz
Memory Clock
1625 MHz
2000 MHz
Memory
Memory Size
24GB
144GB
Memory Type
GDDR6
HBM3e
Memory Bus
384bit
4096bit
Bandwidth
624.0GB/s
4.10TB/s
Render Config
SM Count
72
148
Shading Units
4608
18944
TMUs
288
592
ROPs
96
24
Tensor Cores
576
592
RT Cores
72
—
L1 Cache
64 KB (per SM)
256 KB (per SM)
L2 Cache
6 MB
50 MB
Theoretical Performance
Pixel Rate
149.8 GPixel/s
48.77 GPixel/s
Texture Rate
449.3 GTexel/s
1202.9 GTexel/s
FP16 (half)
28.75 TFLOPS
1231.8 TFLOPS
FP32 (float)
14.38 TFLOPS
76.99 TFLOPS
FP64 (double)
449.3 GFLOPS
1202.9 GFLOPS
Graphics Processor
GPU Name
TU102
GB110
Architecture
Turing
Blackwell Ultra
Foundry
TSMC
TSMC
Process Size
12 nm
5 nm
Transistors
18.6 billion
104 billion
Die Size
754 mm²
Unknown
Board Design
TDP
250W
1400W
Suggested PSU
600 W
1800 W
Outputs
No outputs
No outputs
Power Connectors
1x 8-pin
—
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.3
N/A
CUDA
7.5
10.3
Shader Model
6.8
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.