NVIDIA GeForce GTX 660 Rev. 2 vs AMD Radeon Pro Duo Polaris

VS

NVIDIA GeForce GTX 660 Rev. 2

AMD Radeon Pro Duo Polaris

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Rev. 2 and 16GB VRAM Radeon Pro Duo Polaris to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Rev. 2 's Advantages

Boost Clock1032MHz

Lower TDP (140W vs 250W)

AMD Radeon Pro Duo Polaris 's Advantages

Released 2 years and 7 months late

More VRAM (16GB vs 2GB)

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

1344 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 Rev. 2

1.981 TFLOPS

Radeon Pro Duo Polaris +189%

5.728 TFLOPS

GeForce GTX 660 Rev. 2

VS

Radeon Pro Duo Polaris

Graphics Card

Sep 2014

Release Date

Apr 2017

GeForce 600

Generation

Radeon Pro GCN

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

980 MHz

Base Clock

-

1032 MHz

Boost Clock

-

1502 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

224.0GB/s

Render Config

-

Compute Units

36

-

960

Shading Units

2304

80

TMUs

144

24

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

2 MB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

39.78 GPixel/s

82.56 GTexel/s

Texture Rate

179.0 GTexel/s

-

FP16 (half)

5.728 TFLOPS

1.981 TFLOPS

FP32 (float)

5.728 TFLOPS

82.56 GFLOPS

FP64 (double)

358.0 GFLOPS

Board Design

140W

TDP

250W

300 W

Suggested PSU

600 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GK104

GPU Name

Ellesmere

-

GPU Variant

Ellesmere Gemini GL

Kepler

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

3.54 billion

Transistors

5.7 billion

294 mm²

Die Size

232 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.3

3.0

CUDA

-

5.1

Shader Model

6.7

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