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

VS

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

We compared two Desktop platform GPUs: 16GB VRAM Radeon Pro Duo Polaris and 2GB VRAM GeForce GTX 660 Rev. 2 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 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

NVIDIA GeForce GTX 660 Rev. 2 's Advantages

Boost Clock1032MHz

Lower TDP (140W vs 250W)

Score

Benchmark

FP32 (float)

Radeon Pro Duo Polaris +189%

5.728 TFLOPS

GeForce GTX 660 Rev. 2

1.981 TFLOPS

Radeon Pro Duo Polaris

VS

GeForce GTX 660 Rev. 2

Graphics Card

Apr 2017

Release Date

Sep 2014

Radeon Pro GCN

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

980 MHz

-

Boost Clock

1032 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

-

SM Count

-

36

Compute Units

-

2304

Shading Units

960

144

TMUs

80

32

ROPs

24

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

384 KB

Theoretical Performance

39.78 GPixel/s

Pixel Rate

20.64 GPixel/s

179.0 GTexel/s

Texture Rate

82.56 GTexel/s

5.728 TFLOPS

FP16 (half)

-

5.728 TFLOPS

FP32 (float)

1.981 TFLOPS

358.0 GFLOPS

FP64 (double)

82.56 GFLOPS

Graphics Processor

Ellesmere

GPU Name

GK104

Ellesmere Gemini GL

GPU Variant

-

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

Board Design

250W

TDP

140W

600 W

Suggested PSU

300 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

1x 6-pin

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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