NVIDIA Tesla K40d vs NVIDIA Tesla M40

VS

NVIDIA Tesla K40d

NVIDIA Tesla M40

We compared two Professional market GPUs: 12GB VRAM Tesla K40d and 12GB VRAM Tesla M40 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 250W)

NVIDIA Tesla M40 's Advantages

Released 2 years late

Boost Clock has increased by 27% (1112MHz vs 876MHz)

192 additional rendering cores

Score

Benchmark

FP32 (float)

Tesla K40d

5.046 TFLOPS

Tesla M40 +35%

6.832 TFLOPS

Tesla K40d

VS

Tesla M40

Graphics Card

Nov 2013

Release Date

Nov 2015

Tesla

Generation

Tesla Maxwell

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

745 MHz

Base Clock

948 MHz

876 MHz

Boost Clock

1112 MHz

1502 MHz

Memory Clock

1502 MHz

Memory

12GB

Memory Size

12GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

288.4GB/s

Bandwidth

288.4GB/s

Render Config

-

2880

Shading Units

3072

240

TMUs

192

48

ROPs

96

-

16 KB (per SMX)

L1 Cache

48 KB (per SMM)

1536 KB

L2 Cache

3 MB

-

Theoretical Performance

52.56 GPixel/s

Pixel Rate

106.8 GPixel/s

210.2 GTexel/s

Texture Rate

213.5 GTexel/s

-

5.046 TFLOPS

FP32 (float)

6.832 TFLOPS

1.682 TFLOPS

FP64 (double)

213.5 GFLOPS

Board Design

245W

TDP

250W

550 W

Suggested PSU

600 W

No outputs

Outputs

No outputs

-

Power Connectors

8-pin EPS

Graphics Processor

GK110B

GPU Name

GM200

-

GPU Variant

GM200-895-A1

Kepler

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

8 billion

561 mm²

Die Size

601 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.5

CUDA

5.2

5.1

Shader Model

6.7

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