AMD Radeon Pro Duo Polaris vs AMD Radeon HD 6790

VS

AMD Radeon Pro Duo Polaris

AMD Radeon HD 6790

We compared two Desktop platform GPUs: 16GB VRAM Radeon Pro Duo Polaris and 1024MB VRAM Radeon HD 6790 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 134.4GB/s)

1504 additional rendering cores

AMD Radeon HD 6790 's Advantages

Lower TDP (150W vs 250W)

Score

Benchmark

FP32 (float)

Radeon Pro Duo Polaris +326%

5.728 TFLOPS

Radeon HD 6790

1.344 TFLOPS

Radeon Pro Duo Polaris

VS

Radeon HD 6790

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

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

10

-

2304

Shading Units

800

144

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

39.78 GPixel/s

Pixel Rate

13.44 GPixel/s

179.0 GTexel/s

Texture Rate

33.60 GTexel/s

5.728 TFLOPS

FP16 (half)

-

5.728 TFLOPS

FP32 (float)

1344 GFLOPS

358.0 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

150W

600 W

Suggested PSU

450 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Ellesmere

GPU Name

Barts

Ellesmere Gemini GL

GPU Variant

Barts LE (215-0798002)

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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