NVIDIA Tesla T40 24 GB vs NVIDIA Tesla K40d

VS

NVIDIA Tesla T40 24 GB

NVIDIA Tesla K40d

We compared two Professional market GPUs: 24GB VRAM Tesla T40 24 GB and 12GB VRAM Tesla K40d to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla T40 24 GB 's Advantages

Boost Clock has increased by 78% (1560MHz vs 876MHz)

More VRAM (24GB vs 12GB)

Larger VRAM bandwidth (624.0GB/s vs 288.4GB/s)

1728 additional rendering cores

NVIDIA Tesla K40d 's Advantages

Lower TDP (245W vs 260W)

Score

Benchmark

FP32 (float)

Tesla T40 24 GB +184%

14.38 TFLOPS

Tesla K40d

5.046 TFLOPS

Tesla T40 24 GB

VS

Tesla K40d

Graphics Card

Unknown

Release Date

Nov 2013

Tesla Turing

Generation

Tesla

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1305 MHz

Base Clock

745 MHz

1560 MHz

Boost Clock

876 MHz

1625 MHz

Memory Clock

1502 MHz

Memory

24GB

Memory Size

12GB

GDDR6

Memory Type

GDDR5

384bit

Memory Bus

384bit

624.0GB/s

Bandwidth

288.4GB/s

Render Config

-

72

SM Count

-

4608

Shading Units

2880

288

TMUs

240

96

ROPs

48

576

Tensor Cores

-

72

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

6 MB

L2 Cache

1536 KB

-

Theoretical Performance

149.8 GPixel/s

Pixel Rate

52.56 GPixel/s

449.3 GTexel/s

Texture Rate

210.2 GTexel/s

28.75 TFLOPS

FP16 (half)

-

14.38 TFLOPS

FP32 (float)

5.046 TFLOPS

449.3 GFLOPS

FP64 (double)

1.682 TFLOPS

Board Design

260W

TDP

245W

600 W

Suggested PSU

550 W

No outputs

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

-

Graphics Processor

TU102

GPU Name

GK110B

-

Turing

Architecture

Kepler

TSMC

Foundry

TSMC

12 nm

Process Size

28 nm

18.6 billion

Transistors

7.08 billion

754 mm²

Die Size

561 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

7.5

CUDA

3.5

6.7

Shader Model

5.1

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