Radeon 7750: specifications, reviews, testing, review

Radeon 7750 is a pretty powerful video card even by the standards of our days, therefore now used in a variety of computers ranging from General purpose machines to gaming machines of average power. This map was one of the most popular products in 2012 and does not lose its fans, even at the moment.

Situation

Due to the fact that AMD released a relatively expensive model 7900-series based on the GPU Tahiti, she managed to satisfy the needs of most computer enthusiasts. However, over time it was decided to release a Radeon 7770 and a Radeon 7750, and the price would be slightly lower (US $ 120 asked for the first and 100 for second), while the parameters remained at the appropriate level. Both cards are based on the same GPU that is produced at the production facilities when using the TSMC 28-nm process, but it should be noted that they differ somewhat from the configuration point of view.

Distinctions

In Tahiti GPU is present 4.31 billion transistors, which are arranged on a silicon wafer, having a surface area of 365 mm². At the same time in the new Cape Verde GPU there is 1.5 billion transistors on the plate, with an area of 123 mm². In the most complete configuration, which was implemented in the device 7770, the GPU provides for a ten compute units, each of which has four vector units. Each vector unit consists of 16 stream processors, which ultimately allowed us to obtain 640 stream processors based on Graphics Core Next architecture.

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Cape Verde is characterized by the presence of four blocks of raster operations, which is only half of what is present in Tahiti, thereby providing a 16 raster operations in each cycle. Two controllers for 64 bits each are connected to the ROPS with a common interface, whereby the result is a 128-bit memory bus.

Features

AMD Radeon 7750 was used quite an interesting method in order to ultimately receive from the processor Tahiti, which was used in the model 7970, a new model of Cape Verde. With only 31% of the texture and Shader units of the flagship model of the GPU, and 66% cache memory and 50% of the ROPS, this combination provides optimum performance that has been confirmed by studies both producer and consumers.

According to the developer, the main goal was to use new cards that users can get acceptable FPS rates at Full HD resolution (1920x1080). Due to this Radeon HD 7750 1Gb when using Full HD resolution in combination with smoothing, in the end should lead to drop in FPS, but in fact, even in modern games at medium settings used by the processor to achieve such a performance, which is enough to run the majority of games.

What is this map?

AMD has released a Radeon 7750, positioning it as a product accessible to most modern users, and the chipset allows you to enjoy almost any modern games that support DirectX 11. In addition, an updated Graphics Core Next architecture provides the opportunity to more effectively use specialized graphics adapters in order to solve a wide range of non-gaming tasks, including video coding or even data archiving.

Junior version of 28-nm graphics chip model Cape Verde traditionally received with an additional prefix Pro to his name when compared to a full kernel, installed Radeon 7770, in this case there quite a large number of significant simplifications, which helped to provide a much lower cost. The graphics core in the Radeon 7750 card lost two CU-block of the ten installed, resulting in decreased total number of texture units and stream processors. The number of ROP units remained – 16. The frequency of memory and GPU dropped to 1125 (4500) and 800 MHz respectively, while the interface it was decided to keep 128-bit.

Special attention should be paid to the fact that the new device has 1 GB of memory standard GDDR5, while its typical electricity consumption should not be more than 55 W, since the card is based on GPU are not equipped with connectors to provide additional power. Given that in the reference design of the Radeon 7750, which was developed by the designers of AMD, involves the use of odnoslogovye cooler, this new product is quite suitable not only for budget players, but also for those who prefer to use a small efficient system of the NRTC class.

7750 or 7770?

Officially, the top-end card based on the processor Cape Verde, the manufacturer calls 7770, which indicates a higher GPU frequency. It is quite important, as each vendor will subsequently specify on the packaging own graphics card 1 GHz regardless of whether they reference Board design, or more powerful, original cooling system.

At the same time, the model 7750 has a huge number of differences, despite the fact that it has the same chip. TDP 55 W suggests that this model does not require additional power connectors, which is enough to provide a PCI-E x16 slot. Also due to its length it comprises the installation in the majority of compact cases.

7750 from ASUS

At the same time, ASUS is positioning this model as a device that is slightly overclocked by the manufacturer, however, the frequency of the processor was made to increase compared to the standard 20 MHz, while the memory can operate on the effective frequency 4600 MHz, which is only 100 MHz higher than the values recommended by engineers of the manufacturer. As the factory increases in the frequency can hardly be called significant, Radeon HD 7750, it's hardly possible to call the top, because this OC is practically invisible in the process of running real applications, however due to the fact that this model was positioned in the market as "dispersed", it also set a higher value.

If we talk about other specifications, there are no major differences compared with the reference model ASUS Radeon 7750 is not present. Special attention should be paid to the original cooling system, which allows you to distinguish this product among the large number of similar solutions.

Set

The package includes everything you need for a budget device, that is, it includes only those accessories that are necessary for normal operation of this accelerator are the following:

• Drive that contains all necessary drivers and utilities;
• Instruction on how to install and operate the card;
• Standard adapter DVI-to-VGA.

This set is somewhat different from that which was offered in Radeon HD 6850, but still this is fully consistent with the budgetary status of the device.

Additional features

Exactly the same as in the reference sample, a set of interfaces to display the required image is available in the form of ports HDMI 1.4 a and DVI-I. Given that included with the card is also an additional adapter, the user has no problems to connect a monitor, additional plasma TV or any projector.

Remembering the Radeon HD 6850, it is worth noting that solutions based on 7750 include the ability to operate plasma screens or monitors with ultra-high resolution that is quite important to the overwhelming majority of modern users, these devices appear more and more often. Also do not forget that through the use of technology AMD Eyefinity 2.0 the accelerator also allows you to connect up to six monitors, but to use more than three devices will need to use additional active adapter to ensure normal image output.

Charges

PCB is executed on a black PCB, while the design and arrangement of elements is fully repeat the standards reference model, released from the conveyor AMD. The scheme of stabilization is made by the formula "2+1 phase", using a very simple PWM controller from Anpec Electronics company. As mentioned above, this card is not equipped with connectors for additional power, resulting in stress mode its power consumption is 75 watts.

Many often compare this model with the Radeon HD 6790. In the case of a new graphics processor, the company decided not to provide the possibility of combining several adapters in order to conduct a joint calculations via graphics bridge CrossFireX, but support for this technology were secured in software.

Design

The Reference model of this card has quite a familiar view, as rather like the cooler and Board were used in the full-sized embodiment, the HD 6770. The cooler has a very simple design, consisting of a flat odnomodovogo radiator for cooling the GPU exclusively. For maps that have a fairly modest TDP of 55 W, this indicator is quite acceptable, but it is worth noting the fact that there are many modifications of the Radeon 7750, the characteristics of which include the presence of a larger cooling system.

Charges

As mentioned above, in this case, absent some additional power, and in the power system involves four phases. Power of GPU is controlled by a two-phase controller that provides the ability to programmatically adjust the voltage, while the power of video memory is controlled by means of two single-phase controllers.

The memory is typed through the use of chips from HYNIX company, state, effective clock speed is 5 GHz. Same chips used on Board Radeon 7770.

Conclusion

As Radeon HD 6790, model 7750 is an entry-level solution, which for many users may well be the entry ticket to modern games. A direct competitorthis device is a model from the GeForce GTX 650 ti, and both products claim to take the place of the primary video card is fully consistent with the development of game content. But really, for his age, both of these products were too high in their characteristics in comparison with those technical requirements, which were set to the game during their release, making their relevance began to appear only in recent years.

Ultimate performance with the lowest possible TDP – that is the task set by the producers in AMD before produced, Radeon 7750. When a sufficiently heavy load, it reaches a power of about 55 watts, and in a quiet mode power consumption is less than 3 watts while the additional power is not required. Among 6000 series of cards the same TDP present in the models 6650 and 6670, while NVIDIA provides a competing model in the form of GeForce GT440, that is certainly less weak. All this is achieved through the use of advanced 28 nm process technology.

So, the card today is a very good solution to build budget computers. The majority of modern games it can sustain on minimal or average level, which is quite sufficient for many players. Of course, to compare it with the best devices of our days is simply meaningless, as they are not simply the maximum requirements but also for the future.