AMD Radeon Pro Duo Polaris vs NVIDIA GeForce GTX 660 Ti

VS

AMD Radeon Pro Duo Polaris

NVIDIA GeForce GTX 660 Ti

We compared two Desktop platform GPUs: 16GB VRAM Radeon Pro Duo Polaris and 2GB VRAM GeForce GTX 660 Ti 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 4 years and 8 months late

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 144.2GB/s)

960 additional rendering cores

NVIDIA GeForce GTX 660 Ti 's Advantages

Boost Clock980MHz

Lower TDP (150W vs 250W)

Score

Benchmark

FP32 (float)

Radeon Pro Duo Polaris +117%

5.728 TFLOPS

GeForce GTX 660 Ti

2.634 TFLOPS

Radeon Pro Duo Polaris

VS

GeForce GTX 660 Ti

Graphics Card

Apr 2017

Release Date

Aug 2012

Radeon Pro GCN

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

915 MHz

-

Boost Clock

980 MHz

1750 MHz

Memory Clock

1502 MHz

Memory

16GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

192bit

224.0GB/s

Bandwidth

144.2GB/s

Render Config

36

Compute Units

-

2304

Shading Units

1344

144

TMUs

112

32

ROPs

24

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

384 KB

-

Theoretical Performance

39.78 GPixel/s

Pixel Rate

27.44 GPixel/s

179.0 GTexel/s

Texture Rate

109.8 GTexel/s

5.728 TFLOPS

FP16 (half)

-

5.728 TFLOPS

FP32 (float)

2.634 TFLOPS

358.0 GFLOPS

FP64 (double)

109.8 GFLOPS

Board Design

250W

TDP

150W

600 W

Suggested PSU

450 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Ellesmere

GPU Name

GK104

Ellesmere Gemini GL

GPU Variant

GK104-300-KD-A2

GCN 4.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

3.54 billion

232 mm²

Die Size

294 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.7

Shader Model

5.1

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