AMD Radeon HD 6870 vs AMD Radeon Pro Duo Polaris

VS

AMD Radeon HD 6870

AMD Radeon Pro Duo Polaris

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 and 16GB VRAM Radeon Pro Duo Polaris to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 's Advantages

Lower TDP (151W vs 250W)

AMD Radeon Pro Duo Polaris 's Advantages

Released 6 years and 6 months late

More VRAM (16GB vs 1024GB)

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

1184 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6870

2.016 TFLOPS

Radeon Pro Duo Polaris +184%

5.728 TFLOPS

Radeon HD 6870

VS

Radeon Pro Duo Polaris

Graphics Card

Oct 2010

Release Date

Apr 2017

Northern Islands

Generation

Radeon Pro GCN

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

1750 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

224.0GB/s

Render Config

14

Compute Units

36

-

1120

Shading Units

2304

56

TMUs

144

32

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

39.78 GPixel/s

50.40 GTexel/s

Texture Rate

179.0 GTexel/s

-

FP16 (half)

5.728 TFLOPS

2.016 TFLOPS

FP32 (float)

5.728 TFLOPS

-

FP64 (double)

358.0 GFLOPS

Board Design

151W

TDP

250W

450 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Barts

GPU Name

Ellesmere

Barts XT (215-0798000)

GPU Variant

Ellesmere Gemini GL

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.7 billion

Transistors

5.7 billion

255 mm²

Die Size

232 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.7

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