NVIDIA GeForce GTX 660 vs ATI Radeon HD 5570

VS

NVIDIA GeForce GTX 660

ATI Radeon HD 5570

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 and 1024MB VRAM Radeon HD 5570 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 's Advantages

Released 11 months late

Boost Clock1032MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (144.2GB/s vs 16.00GB/s)

640 additional rendering cores

ATI Radeon HD 5570 's Advantages

Lower TDP (39W vs 140W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 +376%

1.981 TFLOPS

Radeon HD 5570

0.416 TFLOPS

GeForce GTX 660

VS

Radeon HD 5570

Graphics Card

Sep 2012

Release Date

Oct 2011

GeForce 600

Generation

Evergreen

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

980 MHz

Base Clock

-

1032 MHz

Boost Clock

-

1502 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

192bit

Memory Bus

128bit

144.2GB/s

Bandwidth

16.00GB/s

Render Config

-

Compute Units

4

-

960

Shading Units

320

80

TMUs

16

24

ROPs

4

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

2.600 GPixel/s

82.56 GTexel/s

Texture Rate

10.40 GTexel/s

-

1.981 TFLOPS

FP32 (float)

416.0 GFLOPS

82.56 GFLOPS

FP64 (double)

-

Board Design

140W

TDP

39W

300 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

GK106

GPU Name

Turks

GK106-400-A1

GPU Variant

Turks LE

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.54 billion

Transistors

0.716 billion

221 mm²

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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