AMD Radeon Pro Duo Polaris vs AMD Radeon HD 6670

VS

AMD Radeon Pro Duo Polaris

AMD Radeon HD 6670

We compared two Desktop platform GPUs: 16GB VRAM Radeon Pro Duo Polaris and 1024MB VRAM Radeon HD 6670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Duo Polaris 's Advantages

Released 6 years late

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (224.0GB/s vs 64.00GB/s)

1824 additional rendering cores

AMD Radeon HD 6670 's Advantages

Lower TDP (66W vs 250W)

Score

Benchmark

FP32 (float)

Radeon Pro Duo Polaris +645%

5.728 TFLOPS

Radeon HD 6670

0.768 TFLOPS

Radeon Pro Duo Polaris

VS

Radeon HD 6670

Graphics Card

Apr 2017

Release Date

Apr 2011

Radeon Pro GCN

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1750 MHz

Memory Clock

1000 MHz

Memory

16GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

224.0GB/s

Bandwidth

64.00GB/s

Render Config

36

Compute Units

6

-

2304

Shading Units

480

144

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

39.78 GPixel/s

Pixel Rate

6.400 GPixel/s

179.0 GTexel/s

Texture Rate

19.20 GTexel/s

5.728 TFLOPS

FP16 (half)

-

5.728 TFLOPS

FP32 (float)

768.0 GFLOPS

358.0 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

66W

600 W

Suggested PSU

250 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Ellesmere

GPU Name

Turks

Ellesmere Gemini GL

GPU Variant

Turks XT (215-0803000)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

0.716 billion

232 mm²

Die Size

118 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

6.7

Shader Model

5.0

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