NVIDIA Tesla K20X vs NVIDIA Tesla M4

VS

NVIDIA Tesla K20X

NVIDIA Tesla M4

We compared two Professional market GPUs: 6GB VRAM Tesla K20X and 4GB VRAM Tesla M4 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20X 's Advantages

More VRAM (6GB vs 4GB)

Larger VRAM bandwidth (249.6GB/s vs 88.00GB/s)

1664 additional rendering cores

NVIDIA Tesla M4 's Advantages

Released 3 years late

Boost Clock1072MHz

Lower TDP (50W vs 235W)

Score

Benchmark

FP32 (float)

Tesla K20X +79%

3.935 TFLOPS

Tesla M4

2.195 TFLOPS

Tesla K20X

VS

Tesla M4

Graphics Card

Nov 2012

Release Date

Nov 2015

Tesla

Generation

Tesla

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

872 MHz

-

Boost Clock

1072 MHz

1300 MHz

Memory Clock

1375 MHz

Memory

6GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

249.6GB/s

Bandwidth

88.00GB/s

Render Config

-

2688

Shading Units

1024

224

TMUs

64

48

ROPs

32

-

16 KB (per SMX)

L1 Cache

48 KB (per SMM)

1536 KB

L2 Cache

1024 KB

-

Theoretical Performance

40.99 GPixel/s

Pixel Rate

34.30 GPixel/s

164.0 GTexel/s

Texture Rate

68.61 GTexel/s

-

3.935 TFLOPS

FP32 (float)

2.195 TFLOPS

1312 GFLOPS

FP64 (double)

68.61 GFLOPS

Board Design

235W

TDP

50W

550 W

Suggested PSU

250 W

No outputs

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

-

Graphics Processor

GK110

GPU Name

GM206

-

Kepler

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

2.94 billion

561 mm²

Die Size

228 mm²

Graphics Features

12 (11_0)

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

6.4

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