NVIDIA Tesla K40d vs NVIDIA Tesla T40 24 GB

VS

NVIDIA Tesla K40d

NVIDIA Tesla T40 24 GB

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

Main Differences

NVIDIA Tesla K40d 's Advantages

Lower TDP (245W vs 260W)

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

Score

Benchmark

FP32 (float)

Tesla K40d

5.046 TFLOPS

Tesla T40 24 GB +184%

14.38 TFLOPS

Tesla K40d

VS

Tesla T40 24 GB

Graphics Card

Nov 2013

Release Date

Unknown

Tesla

Generation

Tesla Turing

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

745 MHz

Base Clock

1305 MHz

876 MHz

Boost Clock

1560 MHz

1502 MHz

Memory Clock

1625 MHz

Memory

12GB

Memory Size

24GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

384bit

288.4GB/s

Bandwidth

624.0GB/s

Render Config

-

SM Count

72

2880

Shading Units

4608

240

TMUs

288

48

ROPs

96

-

Tensor Cores

576

-

RT Cores

72

16 KB (per SMX)

L1 Cache

64 KB (per SM)

1536 KB

L2 Cache

6 MB

-

Theoretical Performance

52.56 GPixel/s

Pixel Rate

149.8 GPixel/s

210.2 GTexel/s

Texture Rate

449.3 GTexel/s

-

FP16 (half)

28.75 TFLOPS

5.046 TFLOPS

FP32 (float)

14.38 TFLOPS

1.682 TFLOPS

FP64 (double)

449.3 GFLOPS

Board Design

245W

TDP

260W

550 W

Suggested PSU

600 W

No outputs

Outputs

No outputs

-

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK110B

GPU Name

TU102

-

Kepler

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

7.08 billion

Transistors

18.6 billion

561 mm²

Die Size

754 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.5

CUDA

7.5

5.1

Shader Model

6.7

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