NVIDIA Tesla M40 24 GB vs NVIDIA Tesla K8

VS

NVIDIA Tesla M40 24 GB

NVIDIA Tesla K8

We compared two Professional market GPUs: 24GB VRAM Tesla M40 24 GB and 8GB VRAM Tesla K8 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla M40 24 GB 's Advantages

Released 1 years and 2 months late

Boost Clock has increased by 37% (1112MHz vs 811MHz)

More VRAM (24GB vs 8GB)

Larger VRAM bandwidth (288.4GB/s vs 160.0GB/s)

1536 additional rendering cores

NVIDIA Tesla K8 's Advantages

Lower TDP (100W vs 250W)

Score

Benchmark

FP32 (float)

Tesla M40 24 GB +174%

6.832 TFLOPS

Tesla K8

2.491 TFLOPS

Tesla M40 24 GB

VS

Tesla K8

Graphics Card

Nov 2015

Release Date

Sep 2014

Tesla Maxwell

Generation

Tesla

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

948 MHz

Base Clock

693 MHz

1112 MHz

Boost Clock

811 MHz

1502 MHz

Memory Clock

1250 MHz

Memory

24GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

288.4GB/s

Bandwidth

160.0GB/s

Render Config

-

3072

Shading Units

1536

192

TMUs

128

96

ROPs

32

-

48 KB (per SMM)

L1 Cache

16 KB (per SMX)

3 MB

L2 Cache

512 KB

-

Theoretical Performance

106.8 GPixel/s

Pixel Rate

25.95 GPixel/s

213.5 GTexel/s

Texture Rate

103.8 GTexel/s

-

6.832 TFLOPS

FP32 (float)

2.491 TFLOPS

213.5 GFLOPS

FP64 (double)

103.8 GFLOPS

Board Design

250W

TDP

100W

600 W

Suggested PSU

300 W

No outputs

Outputs

No outputs

8-pin EPS

Power Connectors

1x 6-pin

Graphics Processor

GM200

GPU Name

GK104

GM200-895-A1

GPU Variant

-

Maxwell 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

8 billion

Transistors

3.54 billion

601 mm²

Die Size

294 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

5.2

CUDA

3.0

6.7

Shader Model

5.1

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