Nvidia GeForce GTX 660 Vs Sapphire HD 7770 GHz Edition

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Nvidia GeForce GTX 660

34points

Sapphire HD 7770 GHz Edition

Comparison winnervsvs

58 facts in comparison

Nvidia GeForce GTX 660 vs Sapphire HD 7770 GHz EditionNvidia GeForce GTX 660Sapphire HD 7770 GHz Edition

Why is GTX 660 better than Sapphire HD 7770 GHz Edition?

• 0.6 TFLOPS higher floating-point performance?1.88 TFLOPSvs1.28 TFLOPS
• 1GB more VRAM?2GBvs1GB
• 3.6 GPixel/s higher pixel rate?19.6 GPixel/svs16 GPixel/s
• 377 MHz faster memory clock speed?1502 MHzvs1125 MHz
• 38.4 GTexels/s higher texture rate?78.4 GTexels/svs40 GTexels/s
• 1508 MHz higher effective memory clock speed?6008 MHzvs4500 MHz
• 72 GB/s more memory bandwidth?144 GB/svs72 GB/s
• 64-bit wider memory bus width?192-bitvs128-bit

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Why is Sapphire HD 7770 GHz Edition better than GTX 660?

• 60W lower TDP?80Wvs140W
• 0.1 newer version of OpenCL?1.2vs1.1
• Has Double Precision Floating Point (DPFP)?
• 2 more displays supported?6vs4
• 57 mm narrower?184 mmvs241 mm

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Price comparison

User reviews

Overall rating

Nvidia GeForce GTX 66010.01 User reviewsGTX 66010.0/101 User reviewsWrite a reviewSapphire HD 7770 GHz Edition0 User reviewsSapphire HD 7770 GHz Edition0 User reviewsWrite a review

Features

Value for money

8.0/10 1 ratingsNo reviews yet 

Gaming

9.0/10 1 ratingsNo reviews yet 

Performance

6.0/10 1 ratingsNo reviews yet 

Reliability

10.0/10 1 ratingsNo reviews yet 

Comments

Highest scoreLowest scoreMost helpfulMost recentOldestNvidia GeForce GTX 660Sapphire HD 7770 GHz Edition

Héctor

3 years ago

10 / 10

10 years, still working

Héctor

3 years ago

10 / 10

runs battlefield 1 in ultra ._.XD

👍Vote2 users found this helpfulWrite a review

Performance

GPU clock speed

980 MHz

1000 MHz

The clock speed of the graphics processing unit (GPU).GPU turbo

1032 MHz

Unknown. Help us by suggesting a value. (Sapphire HD 7770 GHz Edition)

When the GPU is running below its limitations, it can boost to a higher clock speed in order to give increased performance.pixel rate

19.6 GPixel/s

16 GPixel/s

The number of pixels that can be rendered to the screen every second.floating-point performance

1.88 TFLOPS

1.28 TFLOPS

Floating-point performance is a measurement of the raw processing power of the GPU.texture rate

78.4 GTexels/s

40 GTexels/s

The number of textured pixels that can be rendered to the screen every second.GPU memory speed

1502 MHz

1125 MHz

The memory clock speed is one aspect that determines the memory bandwidth.shading units

960

640

Shading units (or stream processors) are small processors within the graphics card that are responsible for processing different aspects of the image.texture mapping units (TMUs)

80

40

TMUs take textures and map them to the geometry of a 3D scene. More TMUs will typically mean that texture information is processed faster.render output units (ROPs)

24

16

The ROPs are responsible for some of the final steps of the rendering process, writing the final pixel data to memory and carrying out other tasks such as anti-aliasing to improve the look of graphics.+ Show more +

Memory

effective memory speed

6008 MHz

4500 MHz

The effective memory clock speed is calculated from the size and data rate of the memory. Higher clock speeds can give increased performance in games and other apps.maximum memory bandwidth

144 GB/s

72 GB/s

This is the maximum rate that data can be read from or stored into memory.VRAM

2GB

1GB

VRAM (video RAM) is the dedicated memory of a graphics card. More VRAM generally allows you to run games at higher settings, especially for things like texture resolution.GDDR version

GDDR5

GDDR5

Newer versions of GDDR memory offer improvements such as higher transfer rates that give increased performance.memory bus width

192-bit

128-bit

A wider bus width means that it can carry more data per cycle. It is an important factor of memory performance, and therefore the general performance of the graphics card.Supports ECC memory

Unknown. Help us by suggesting a value. (Nvidia GeForce GTX 660)

Unknown. Help us by suggesting a value. (Sapphire HD 7770 GHz Edition)

Error-correcting code memory can detect and correct data corruption. It is used when is it essential to avoid corruption, such as scientific computing or when running a server.

Features

DirectX version

DirectX 11

DirectX 11

DirectX is used in video games, with newer versions supporting better graphics and features. The latest version is DirectX 12 Ultimate, which includes support for ray tracing, mesh shaders, and variable rate shading (VRS).OpenGL version

4.3

4.2

OpenGL is used in games, with newer versions supporting better graphics.OpenCL version

1.1

1.2

Some apps use OpenCL to apply the power of the graphics processing unit (GPU) for non-graphical computing. Newer versions introduce more functionality and better performance.Supports multi-display technology✔GTX 660✔Sapphire HD 7770 GHz EditionThe graphics card supports multi-display technology. This allows you to configure multiple monitors in order to create a more immersive gaming experience, such as having a wider field of view.load GPU temperature

72 °C

Unknown. Help us by suggesting a value. (Sapphire HD 7770 GHz Edition)

A lower load temperature means that the card produces less heat and its cooling system performs better.supports ray tracing

Unknown. Help us by suggesting a value. (Nvidia GeForce GTX 660)

Unknown. Help us by suggesting a value. (Sapphire HD 7770 GHz Edition)

Ray tracing is an advanced light rendering technique that provides more realistic lighting, shadows, and reflections in games. Supports 3D✔GTX 660✔Sapphire HD 7770 GHz EditionAllows you to view in 3D (if you have a 3D display and glasses).supports DLSS

Unknown. Help us by suggesting a value. (Nvidia GeForce GTX 660)

Unknown. Help us by suggesting a value. (Sapphire HD 7770 GHz Edition)

DLSS (Deep Learning Super Sampling) is an upscaling technology powered by AI. It allows the graphics card to render games at a lower resolution and upscale them to a higher resolution with near-native visual quality and increased performance. DLSS is only available on Nvidia GPUs.has FSR4

Unknown. Help us by suggesting a value. (Nvidia GeForce GTX 660)

Unknown. Help us by suggesting a value. (Sapphire HD 7770 GHz Edition)

AMD's FSR4 is an upscaling technology powered by AI. It allows the graphics card to render games at a lower resolution and upscale them to a higher resolution with near-native visual quality and increased performance. FSR4 relies on specific hardware and is only available on select AMD GPUs.+ Show more +

Ports

has an HDMI output✔GTX 660✔Sapphire HD 7770 GHz EditionYou can output high definition video and audio to a display. This could be through an HDMI port, Mini HDMI port, or a USB-C port that supports HDMI.HDMI ports

Unknown. Help us by suggesting a value. (Nvidia GeForce GTX 660)

1

More HDMI ports mean that you can simultaneously connect numerous devices, such as video game consoles and set-top boxes.HDMI version

Unknown. Help us by suggesting a value. (Nvidia GeForce GTX 660)

Unknown. Help us by suggesting a value. (Sapphire HD 7770 GHz Edition)

Newer versions of HDMI support higher bandwidth, which allows for higher resolutions and frame rates.DisplayPort outputs

1

1

Allows you to connect to a display using DisplayPort.USB-C ports

Unknown. Help us by suggesting a value. (Nvidia GeForce GTX 660)

Unknown. Help us by suggesting a value. (Sapphire HD 7770 GHz Edition)

With more USB-C ports, you are able to connect more devices/peripherals.DVI outputs

2

1

Allows you to connect to a display using DVI.mini DisplayPort outputs

0

0

Allows you to connect to a display using mini-DisplayPort.

General info

GPU architecture

KeplerNvidia GeForce GTX 660

Unknown. Help us by suggesting a value. (Sapphire HD 7770 GHz Edition)

The name of the GPU architecture.release date

13 years ago09/06/2012Nvidia GeForce GTX 660

13 years ago11/02/2012Sapphire HD 7770 GHz Edition

The date the product first became available for purchase.Thermal Design Power (TDP)

140W

80W

The thermal design power (TDP) is the maximum amount of power the cooling system needs to dissipate. A lower TDP typically means that it consumes less power.PCI Express (PCIe) version

3

3

Peripheral Component Interconnect Express (PCIe) is a high-speed interface standard for connecting components, such as graphics cards and SSDs, to a motherboard. Newer versions can support more bandwidth and deliver better performance.semiconductor size

28 nm

28 nm

Small semiconductors provide better performance and reduced power consumption. Chipsets with a higher number of transistors, semiconductor components of electronic devices, offer more computational power. A small form factor allows more transistors to fit on a chip, therefore increasing its performance.number of transistors

2540 million

1500 million

A higher transistor count generally indicates a newer, more powerful processor.warranty period

Unknown. Help us by suggesting a value. (Nvidia GeForce GTX 660)

Unknown. Help us by suggesting a value. (Sapphire HD 7770 GHz Edition)

When covered under the manufacturer’s warranty it is possible to get a replacement in the case of a malfunction. Note: This may vary by region.Has air-water cooling

Unknown. Help us by suggesting a value. (Nvidia GeForce GTX 660)

Unknown. Help us by suggesting a value. (Sapphire HD 7770 GHz Edition)

The graphics card uses a combination of water and air to reduce the temperature of the card. This allows it to be overclocked more, increasing performance.width

241 mm

184 mm

The width represents the horizontal dimension of the product.+ Show more +

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