NVIDIA Tesla K80 vs NVIDIA Tesla M40

VS

NVIDIA Tesla K80

NVIDIA Tesla M40

We compared two Professional market GPUs: 12GB VRAM Tesla K80 and 12GB VRAM Tesla M40 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla M40 's Advantages

Released 1 years late

Boost Clock has increased by 35% (1112MHz vs 824MHz)

Larger VRAM bandwidth (288.4GB/s vs 240.6GB/s)

576 additional rendering cores

Lower TDP (250W vs 300W)

Score

Benchmark

FP32 (float)

Tesla K80

4.113 TFLOPS

Tesla M40 +66%

6.832 TFLOPS

Blender

Tesla K80 +251%

373

Tesla M40

106

OctaneBench

Tesla K80

62

Tesla M40 +98%

123

Tesla K80

VS

Tesla M40

Graphics Card

Nov 2014

Release Date

Nov 2015

Tesla

Generation

Tesla Maxwell

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

562 MHz

Base Clock

948 MHz

824 MHz

Boost Clock

1112 MHz

1253 MHz

Memory Clock

1502 MHz

Memory

12GB

Memory Size

12GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

384bit

240.6GB/s

Bandwidth

288.4GB/s

Render Config

-

2496

Shading Units

3072

208

TMUs

192

48

ROPs

96

-

16 KB (per SMX)

L1 Cache

48 KB (per SMM)

1536 KB

L2 Cache

3 MB

-

Theoretical Performance

42.85 GPixel/s

Pixel Rate

106.8 GPixel/s

171.4 GTexel/s

Texture Rate

213.5 GTexel/s

-

4.113 TFLOPS

FP32 (float)

6.832 TFLOPS

1371 GFLOPS

FP64 (double)

213.5 GFLOPS

Board Design

300W

TDP

250W

700 W

Suggested PSU

600 W

No outputs

Outputs

No outputs

1x 8-pin

Power Connectors

8-pin EPS

Graphics Processor

GK210

GPU Name

GM200

GK210-885-A1

GPU Variant

GM200-895-A1

Kepler 2.0

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.1 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

3.7

CUDA

5.2

5.1

Shader Model

6.7

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