AMD Radeon RX 560 vs NVIDIA GeForce GTX 660 OEM

VS

AMD Radeon RX 560

NVIDIA GeForce GTX 660 OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 560 and 1536MB VRAM GeForce GTX 660 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 560 's Advantages

Released 4 years and 8 months late

Boost Clock has increased by 44% (1275MHz vs 888MHz)

More VRAM (4GB vs 1536GB)

Lower TDP (75W vs 130W)

NVIDIA GeForce GTX 660 OEM 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 112.0GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 560 +27%

2.611 TFLOPS

GeForce GTX 660 OEM

2.046 TFLOPS

Radeon RX 560

VS

GeForce GTX 660 OEM

Graphics Card

Apr 2017

Release Date

Aug 2012

Polaris

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1175 MHz

Base Clock

823 MHz

1275 MHz

Boost Clock

888 MHz

1750 MHz

Memory Clock

1400 MHz

Memory

4GB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

192bit

112.0GB/s

Bandwidth

134.4GB/s

Render Config

16

Compute Units

-

1024

Shading Units

1152

64

TMUs

96

16

ROPs

24

-

16 KB (per CU)

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

384 KB

-

Theoretical Performance

20.40 GPixel/s

Pixel Rate

21.31 GPixel/s

81.60 GTexel/s

Texture Rate

85.25 GTexel/s

2.611 TFLOPS

FP16 (half)

-

2.611 TFLOPS

FP32 (float)

2.046 TFLOPS

163.2 GFLOPS

FP64 (double)

85.25 GFLOPS

Board Design

75W

TDP

130W

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 Processor

Polaris 21

GPU Name

GK104

Polaris 21 XT (215-0908004)

GPU Variant

GK104-200-KD-A2

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

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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