NVIDIA Tesla K20m vs AMD Radeon Instinct MI6

VS

NVIDIA Tesla K20m

AMD Radeon Instinct MI6

We compared two Professional market GPUs: 5GB VRAM Tesla K20m and 8GB VRAM Radeon Instinct MI6 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20m 's Advantages

192 additional rendering cores

AMD Radeon Instinct MI6 's Advantages

Released 3 years and 11 months late

Boost Clock1233MHz

More VRAM (8GB vs 5GB)

Larger VRAM bandwidth (224.0GB/s vs 208.0GB/s)

Lower TDP (150W vs 225W)

Score

Benchmark

FP32 (float)

Tesla K20m

3.524 TFLOPS

Radeon Instinct MI6 +61%

5.682 TFLOPS

Tesla K20m

VS

Radeon Instinct MI6

Graphics Card

Jan 2013

Release Date

Dec 2016

Tesla

Generation

Radeon Instinct

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1120 MHz

-

Boost Clock

1233 MHz

1300 MHz

Memory Clock

1750 MHz

Memory

5GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

320bit

Memory Bus

256bit

208.0GB/s

Bandwidth

224.0GB/s

Render Config

-

Compute Units

36

-

2496

Shading Units

2304

208

TMUs

144

40

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

1280 KB

L2 Cache

2 MB

-

Theoretical Performance

36.71 GPixel/s

Pixel Rate

39.46 GPixel/s

146.8 GTexel/s

Texture Rate

177.6 GTexel/s

-

FP16 (half)

5.682 TFLOPS

3.524 TFLOPS

FP32 (float)

5.682 TFLOPS

1175 GFLOPS

FP64 (double)

355.1 GFLOPS

Board Design

225W

TDP

150W

550 W

Suggested PSU

450 W

No outputs

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

GK110

GPU Name

Ellesmere

-

GPU Variant

Ellesmere XT

Kepler

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

7.08 billion

Transistors

5.7 billion

561 mm²

Die Size

232 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2

3.5

CUDA

-

5.1

Shader Model

6.4

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