NVIDIA GeForce GTX 660 vs AMD Radeon RX 560D

VS

NVIDIA GeForce GTX 660

AMD Radeon RX 560D

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 and 4GB VRAM Radeon RX 560D to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 's Advantages

Larger VRAM bandwidth (144.2GB/s vs 96.00GB/s)

64 additional rendering cores

AMD Radeon RX 560D 's Advantages

Released 4 years and 10 months late

Boost Clock has increased by 14% (1175MHz vs 1032MHz)

More VRAM (4GB vs 2GB)

Lower TDP (65W vs 140W)

Score

Benchmark

FP32 (float)

GeForce GTX 660

1.981 TFLOPS

Radeon RX 560D +6%

2.106 TFLOPS

GeForce GTX 660

VS

Radeon RX 560D

Graphics Card

Sep 2012

Release Date

Jul 2017

GeForce 600

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

980 MHz

Base Clock

1090 MHz

1032 MHz

Boost Clock

1175 MHz

1502 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

128bit

144.2GB/s

Bandwidth

96.00GB/s

Render Config

-

Compute Units

14

-

960

Shading Units

896

80

TMUs

56

24

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

1024 KB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

18.80 GPixel/s

82.56 GTexel/s

Texture Rate

65.80 GTexel/s

-

FP16 (half)

2.106 TFLOPS

1.981 TFLOPS

FP32 (float)

2.106 TFLOPS

82.56 GFLOPS

FP64 (double)

131.6 GFLOPS

Board Design

140W

TDP

65W

300 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

1x 6-pin

Power Connectors

None

Graphics Processor

GK106

GPU Name

Polaris 21

GK106-400-A1

GPU Variant

Polaris 21 XL

Kepler

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.54 billion

Transistors

3 billion

221 mm²

Die Size

123 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.4

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