AMD Radeon RX 560 vs NVIDIA GeForce GTX 660 Rev. 2

VS

AMD Radeon RX 560 NVIDIA GeForce GTX 660 Rev. 2

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 560 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 RX 560 's Advantages

Released 2 years and 7 months late

Boost Clock has increased by 24% (1275MHz vs 1032MHz)

More VRAM (4GB vs 2GB)

64 additional rendering cores

Lower TDP (75W vs 140W)

NVIDIA GeForce GTX 660 Rev. 2 's Advantages

Larger VRAM bandwidth (144.2GB/s vs 112.0GB/s)

Score

Benchmark

FP32 (float)

Radeon RX 560 +31%

2.611 TFLOPS

GeForce GTX 660 Rev. 2

1.981 TFLOPS

Radeon RX 560

VS

GeForce GTX 660 Rev. 2

Graphics Card

Apr 2017

Release Date

Sep 2014

Polaris

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1175 MHz

Base Clock

980 MHz

1275 MHz

Boost Clock

1032 MHz

1750 MHz

Memory Clock

1502 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

192bit

112.0GB/s

Bandwidth

144.2GB/s

Render Config

-

SM Count

-

16

Compute Units

-

1024

Shading Units

960

64

TMUs

80

16

ROPs

24

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

384 KB

Theoretical Performance

20.40 GPixel/s

Pixel Rate

20.64 GPixel/s

81.60 GTexel/s

Texture Rate

82.56 GTexel/s

2.611 TFLOPS

FP16 (half)

-

2.611 TFLOPS

FP32 (float)

1.981 TFLOPS

163.2 GFLOPS

FP64 (double)

82.56 GFLOPS

Graphics Processor

Polaris 21

GPU Name

GK104

Polaris 21 XT (215-0908004)

GPU Variant

-

GCN 4.0

Architecture

Kepler

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

3 billion

Transistors

3.54 billion

123 mm²

Die Size

294 mm²

Board Design

75W

TDP

140W

250 W

Suggested PSU

300 W

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

Outputs

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

None

Power Connectors

1x 6-pin

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.1

-

CUDA

3.0

6.4

Shader Model

5.1

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