How to Increase Hashrate GeForce GTX 760 Mining: Overclocking| Best Settings

How to Increase Hashrate GeForce GTX 760 Mining

How to Increase/ Max/ Optimize/ Boost/ Tune Hashrate GeForce GTX 760 Mining: Best Settings Overclocking – The GeForce GTX 760 graphics accelerator is produced by a large number of partner companies, and Gigabyte alone presented as many as ten modifications of it, differing in appearance, operating frequencies of video memory and core, cooling system and design of small elements.

Let’s take a look at the advantages and features of a device with a WINDFORCE 2X dual-fan cooling system, while many models of the model range come with next-generation WINDFORCE 3X cooling.

How to Increase Hashrate GeForce GTX 760 Mining: Review

Like all devices, the video card comes in a box made of thick but thin cardboard. The front side displays the most important information about the graphics accelerator:

  • brand;
  • model;
  • the system used for the removal of thermal energy;
  • type and amount of graphics RAM used.

Rice.  1 package

Rice. 1 package

The reverse side tells about the technical characteristics, compatibility with new versions of operating systems from Windows, the advantages of the installed cooling, novelties in the design of the printed circuit board.

It also demonstrates the installation diagram of heat pipes, the layout of interfaces, the advantages of the cooler, the possibility of overclocking and operation in energy-saving modes.

It also contains basic information about the proprietary GPU Tweak utility, which allows you to control the fan speed, the operating frequencies of the graphics memory and the core.

 The manufacturer claims that the use of the latest technology allows to achieve an approximately 15% reduction in the temperature of the graphics chip and increase the stability and durability of the device due to the use of only high-quality power elements. 

Recommended system requirements are listed on the sidewall, where you should pay attention to the following points:

  • power supply unit power – 500 watts;
  • the presence of a 12-volt line with a current support of 38 A;
  • adapter from 6 to 8 pins for supplying additional power.

Rice.  2 - Scope of delivery

Rice. 2 – Scope of delivery

The package includes instructions in 12 languages, including Russian, a disk with a driver and proprietary software, as well as a plug for connecting additional power.

All this is in another package made of more rigid cardboard .

The device itself is placed in a dense antistatic bag.

Those who need various kinds of adapters will have to purchase them separately, but in this way the cost of the accelerator is minimized.

Design and Features

The overall dimensions of the device are 260 × 115 × 38 mm, which means that it will fit even into a miniature case.

Unlike more expensive analogues, its underside is not covered with a metal cover or plate.

On the one hand, this reduces the cost of the video card and allows you to install it in one slot without occupying neighboring ones, on the other hand, it worsens heat dissipation and the protection of the printed circuit board from environmental influences.

The following interfaces are placed on the rear panel for interfacing with image output devices:

  • DVI-I и DVI-D;
  • HDMI modification 1.4a;
  • Displayport

This set of ports is the most appropriate at the moment, especially since there are adapters, for example, from DVI to VGA, etc.

 The small printed circuit board is fairly simplified compared to other models of the GTX 760, and there are empty pads for microcircuits on it. The power elements of the power subsystem are located on the left side of the board – between the video core and the interfaces. The pair of phases that provide power to the graphics memory are on the back of the board. The memory is also controlled by a four-phase controller.Rice.  3 - Interfaces

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Rice. 3 – Interfaces

Despite the simplicity of the design, the substrate is made with a double layer of copper, and high-quality Japanese capacitors are installed on it.

The GK104-225-A2 processor is installed as the “heart” of the system.

How to Tune GeForce GTX 760 Mining: Technical indicators

The crystal is distinguished by factory overclocking, although it can be called an overclocked chip with a big stretch.

The GPU runs at a base clock of 1030MHz in 3D and boosts up to 1100MHz in Boost mode, but we were able to get the most out of the device by pushing that to 1163MHz.

In 2D mode, the frequency dropped to just 135 MHz, and the voltage dropped from almost 1.19 to 0.86 V.

 The GeForce GTX 760 is equipped with a couple gigabytes of GDDR5 RAM developed by SK Hynix. In theory, their effective frequency is 6 GHz, and GRAM works on them. The standard 256-bit wide memory bus for communication between the memory and the graphics core allows them to communicate at a speed of 192 Gb / s, and GPU-Z confirms this.

Cooler

The cooling system is based on a pair of fans that are located above a three-section aluminum radiator.

A pair of copper heat pipes with a cross section of 6 mm is supplied to it.Rice.  4 - Cooling system

Rice. 4 – Cooling system

The heat pipes are in contact with the plates through a direct contact base, which indicates the manufacturer’s desire to save money at the device production stage, but does not provide a good removal of thermal energy from power elements.

Yes, and cheaper aluminum instead of copper as radiators is another confirmation of this.

Although the tubes are tightly pressed against the graphics chip crystal, the contact area does not completely cover the chip – another oversight by the engineers.

A pair of impellers is housed in an aluminum housing that can be easily removed from the circuit board by releasing the latches and disconnecting the power supply. 96mm coolers are released by Everflow.

Although they do not support the automatic speed control function (you can control this indicator manually using GPU Tweak), but there is the possibility of automatic control of their voltage, which is why the rotation speed varies in the range of 1.1 – 3.1 thousand rpm.

The maximum power consumption of each element can reach 3 watts.Rice.  5 - Fans

Rice. 5 – Fans

To test the cooler’s safety margin, we resorted to Aliens vs. Predator at high graphics settings and its maximum resolution of 2560×1440 px with filtering, but anti-aliasing turned off in order to heat up the processor more.

The device is still a budget one, not particularly overclocked, and for such picture settings, 2 GB of memory is clearly not enough.

 Testing took place with the cover of the case closed and the temperature in the room at 23 0 C. For other conditions, in particular ambient temperature, the result may be different. 

 Conclusion: despite the installation of WINDFORCE of the second generation, a fair amount of savings on the cooling system, it copes well with the removal of thermal energy from the power elements and the regulation of the speed of the impellers by controlling the voltage on each of them.Rice.  6 - GPU-Z screenshot

Rice. 6 – GPU-Z screenshot

After half an hour of testing, GPU-Z was able to record the maximum temperature of the graphics chip at 68 0 C, with the number of revolutions barely exceeding 1700 per minute.

And this means that the device cools very well, has a good margin in case of manual overclocking, and has a balanced indicator of heat dissipation quality and acoustic comfort.

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 To whom the increased noise will not interfere, you can increase the number of revolutions to the maximum. This can achieve a decrease in temperature by about a dozen degrees at maximum load. With an increase in the latter, the temperature will not rise so noticeably, but the noise level will be significant. 

How to Maximize: GeForce GTX 760 Mining (Overclocking)

Overclocking possibilities were explored by activating the automatic control of the speed of the impellers by changing their power supply.

The voltage level of the video core was not affected, only the operating frequencies increased.

The overclocking capabilities of the GeForce GTX 760, to put it mildly, saddened: it was possible to increase the frequency of the graphics processor by less than 10%.

We were only able to get it up to 95 MHz, after which frame rate drops became noticeable.

Another thing is the memory, it was overclocked to 1.3 GHz, which is more than 21% in the black.

 Bottom line: after overclocking, the device could operate at a frequency of 1193 MHz and 7300 MHz. After the performance upgrade, the temperature rose to just 72 degrees Celsius, the impeller speed to approximately 1835 rpm out of a theoretically possible 3100.

test bench

Testing, as already mentioned, was carried out in a closed system unit of the following configuration:

  • motherboard Intel Siler DX79SR (Intel X79 Express);
  • CPU Core i7-3970X EE 3.5/4 GHz;
  • Phateks PH-TC14PЕ processor cooling;
  • RAM: 4 sticks of 8 GB DDR3 G.SKILL TridentX;
  • SSD: Crucial m4 256 GB;
  • HDD: WD VelociRaptor (300 ГБ);
  • Power supply: Corsair AX1200i (1.2 kW).

In order to compare the Gigabyte GeForce GTX 760 with other devices, the testing included:

  • GTX 770 Superclocked ACX with 2 GB of RAM;
  • Radeon R9 280X Gaming with 3 GB of VRAM on board;
  • GTX 760 OC with a more advanced WindForce version 3X cooling system and a whole 4 GB of RAM;
  • gaming graphics card R9 270X Gaming also 4 GB;
  • Radeon R9 285 ITX Compact 2048 МБ.

 To mitigate the performance impact of platform specs, a 6-core, 48x, 100MHz CPU with Load-Line Calibration enabled ran at 4800MHz and a boosted 1.3V supply. Hyper-Threading Technology was also enabled . The RAM was clocked at 2.13 GHz.

The system was running the classic Windows 7 x64 operating system with all the updates installed at that time and the latest versions of drivers for the chipset and graphics devices.

The capabilities of the devices were tested at a resolution of 1920×1080, then when it was increased to 2560×1440 px.

The quality of textures in the driver parameters did not change, anisotropic filtering was set at 16x + AF16x.

FSAA enabled at 4x and 8x levels.

The first value was used when a value of 8 times did not allow the number of frames per second required for normal perception. V-sync was not active.Rice.  7 - Specifications

Rice. 7 – Specifications

 In some applications, due to the peculiarities of the engines on which they are developed, the settings have been slightly changed, which will be indicated in the tests themselves. 

We chose a couple of synthetic tests and 14 gaming applications (all on DirectX 11):

  • 3DMark released in 2013 (DirectX 9/11) – chose Fire Strike, Fire Strike Extreme and Cloud Gate algorithms;
  • Unigine Valley Bench – DX11 only, maximum graphics settings at 1920×1080;
  • Batman: Arkham Origins – ultra settings with visual effects enabled, hardware acceleration and a double pass of the test;
  • Battlefield 4 – two runs of the TASHGAR scripted scene;
  • BioShock Infinite – double test run with Ultra and then Ultra+DOF settings;
  • Company of Heroes 2 – all physical effects are activated, the maximum image quality is selected;
  • Crysis 3 – the best graphics, glare included, average quality of special effects, anti-aliasing 4x;
  • GRID 2 – 8 cars on the track “Chicago”, all sliders to the right to the limit, MSAA 8x, and then without it;
  • Hitman: Absolution – Ultra graphics, anti-aliasing and global illumination activated;
  • Metro: Last Light – very high image quality, SSAA enabled and then disabled, Advanced PhysX enabled;
  • Sleeping Dogs – integrated Hi-Res Textures pack, no synchronization, normal anti-aliasing, best graphics;
  • Sniper Elite V2 – the best graphics;
  • Thief – tessellation enabled;
  • Tomb Raider – Ultra settings, no sync, double anti-aliasing;
  • Total War: Rome II – graphics at the level of Extreme, without V-Sync and with SSAA anti-aliasing;
  • Total War: SHOGUN 2 – maximum image quality, MSAA at 8x.
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 If the toys have the function of fixing the minimum number of fps issued, they were included in the graphs. After two runs, the best result was chosen with a difference within 1%. If it was higher, testing was repeated or more times to get a pair of results with a difference in performance of no more than 1%.

The results were as follows.Rice.  8 - Results of all three tests in 3DMark 2013 v.1.1

Rice. 8 – Results of all three tests in 3DMark 2013 v.1.1Rice.  9 – Batman: Arkham Origins Results

Rice. 9 – Batman: Arkham Origins ResultsRice.  10 - Battlefield 4 Double Run Rates

Rice. 10 – Battlefield 4 Double Run RatesРис. 11 – BioShock Infinite

Рис. 11 – BioShock InfiniteРис. 12 – Company of Heroes 2

Рис. 12 – Company of Heroes 2Rice.  13 - Crysis 3

Rice. 13 – Crysis 3Рис.  14 - GRID Autosport

Рис. 14 – GRID AutosportRice.  15-Hitman

Rice. 15-HitmanRice.  16 - Metro: Last Night with PhysX effects enabled

Rice. 16 – Metro: Last Night with PhysX effects enabledRice.  17 - Metro: Last Night with PhysX effects disabled

Rice. 17 – Metro: Last Night with PhysX effects disabledРис. 18 – Sniper Elite V2

Рис. 18 – Sniper Elite V2Рис. 19 – Sleeping Dogs

Рис. 19 – Sleeping DogsRice.  20 - Tomb Raider

Rice. 20 – Tomb RaiderRice.  21- Thief

Rice. 21- ThiefРис. 22 – Total War: Shogun

Рис. 22 – Total War: ShogunRice.  23 – Total War: Rome II

Rice. 23 – Total War: Rome II

We put the result in such a summary chart.Rice.  24 - Summary chart

Rice. 24 – Summary chart

 The results of video cards from the GeForce GTX 760 with different memory sizes and cooling systems are almost the same . The older model is slightly ahead of the hero of the review, but this difference is not significant. It becomes significant only in games that require a large amount of memory, for example, Company of Heroes 2. Otherwise, the improved GTX 760 is ahead of the younger one by 2-2.6% at 1920×1080 and a little more – 2.5-3.2% at 2560×1440 px.

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How to Optimize GeForce GTX 760 Mining: Energy consumption

The electrical power consumption of the systems was measured using Zalman’s ZM-MFC3 in 3D and 2D video adapter modes.

In game mode, the measurement was carried out using the Swamp test (Crysis 3) at 2560×1440 px with anti-aliasing disabled.Rice.  25 - Energy consumption

Rice. 25 – Energy consumption

In two-dimensional mode, the difference is a couple of percent, but under load it is more significant, and the hero of the review in terms of energy efficiency lags behind the leader by only 10 watts: 431 versus 441 watts.

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Conclusion

The GeForce GTX 760 is a very good solution among budget video cards for building a multimedia computer or a weak gaming system with a small monitor.

Compared to other versions of the model, it is actually not inferior to them in terms of performance, but it has a more favorable price.

Savings on cooling had no negative effect on heat dissipation.


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