AMD Radeon HD 7970 GHz Edition vs AMD Radeon Pro Duo Polaris

VS

AMD Radeon HD 7970 GHz Edition

AMD Radeon Pro Duo Polaris

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 GHz Edition 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 7970 GHz Edition 's Advantages

Boost Clock1050MHz

Larger VRAM bandwidth (288.0GB/s vs 224.0GB/s)

AMD Radeon Pro Duo Polaris 's Advantages

Released 4 years and 10 months late

More VRAM (16GB vs 3GB)

256 additional rendering cores

Lower TDP (250W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 GHz Edition

4.301 TFLOPS

Radeon Pro Duo Polaris +33%

5.728 TFLOPS

Radeon HD 7970 GHz Edition

VS

Radeon Pro Duo Polaris

Graphics Card

Jun 2012

Release Date

Apr 2017

Southern Islands

Generation

Radeon Pro GCN

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1050 MHz

Boost Clock

-

1500 MHz

Memory Clock

1750 MHz

Memory

3GB

Memory Size

16GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

288.0GB/s

Bandwidth

224.0GB/s

Render Config

32

Compute Units

36

-

2048

Shading Units

2304

128

TMUs

144

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

2 MB

-

Theoretical Performance

33.60 GPixel/s

Pixel Rate

39.78 GPixel/s

134.4 GTexel/s

Texture Rate

179.0 GTexel/s

-

FP16 (half)

5.728 TFLOPS

4.301 TFLOPS

FP32 (float)

5.728 TFLOPS

1075 GFLOPS

FP64 (double)

358.0 GFLOPS

Board Design

300W

TDP

250W

700 W

Suggested PSU

600 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Tahiti

GPU Name

Ellesmere

Tahiti XT2 (215-0821065)

GPU Variant

Ellesmere Gemini GL

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

4.313 billion

Transistors

5.7 billion

352 mm²

Die Size

232 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.7

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