AMD Radeon Pro Duo Polaris vs AMD Radeon HD 6870 X2

VS

AMD Radeon Pro Duo Polaris

AMD Radeon HD 6870 X2

We compared two Desktop platform GPUs: 16GB VRAM Radeon Pro Duo Polaris and 1024MB VRAM Radeon HD 6870 X2 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 5 years and 9 months late

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (224.0GB/s vs 134.4GB/s)

1184 additional rendering cores

Lower TDP (250W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Pro Duo Polaris +184%

5.728 TFLOPS

Radeon HD 6870 X2

2.016 TFLOPS

Radeon Pro Duo Polaris

VS

Radeon HD 6870 X2

Graphics Card

Apr 2017

Release Date

Jul 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

1050 MHz

Memory

16GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

224.0GB/s

Bandwidth

134.4GB/s

Render Config

36

Compute Units

14

-

2304

Shading Units

1120

144

TMUs

56

32

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

39.78 GPixel/s

Pixel Rate

28.80 GPixel/s

179.0 GTexel/s

Texture Rate

50.40 GTexel/s

5.728 TFLOPS

FP16 (half)

-

5.728 TFLOPS

FP32 (float)

2.016 TFLOPS

358.0 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

300W

600 W

Suggested PSU

700 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

1x 6-pin + 1x 8-pin

Power Connectors

-

Graphics Processor

Ellesmere

GPU Name

Barts

Ellesmere Gemini GL

GPU Variant

Barts XT (215-0798000)

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

5.7 billion

Transistors

1.7 billion

232 mm²

Die Size

255 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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