We will start our review by comparing the technical characteristics of smartphones. And all models, including new ones, are assembled in mobile directory.

 
Low price, metal case, support for two SIM cards and microSD cards.
 
 
The screen is not of the best quality, relatively low performance.
 

Lenovo S660 8 GB / 1 GB

Among the low-cost smartphones there are models with a powerful battery, for example, Lenovo S660. Its battery capacity is comparable to the level of the flagships of 2014-2015 — 3000 mAh. This volume is enough for a smartphone to work for a week in communication mode. If you use your smartphone not only for calls, but also for surfing the web, working with mail and Skype — you can count on 3 days of work. Watching videos drains your smartphone in 10, and games are even faster — in just 5 hours.

Lenovo stands out for its appearance. The metal back cover and the case design are made in the key of solid business decisions. However, the battery capacity and expensive appearance of the similarity with top—end devices is limited — by its main characteristics, a low-cost device is recognized in a smartphone.

The smartphone has a MediaTek MT6582M chip with a clock frequency of 1.3 GHz. This is a standard solution for an inexpensive model. Its performance is enough for simple games like Angry Birds, web surfing and other simple tasks. The interface works quite smoothly thanks to the optimized Lenovo launcher, which differs from the standard Android by placing all applications on desktops. By the way, the version of Android itself is not the latest here — 4.2 Jelly Bean.

The cameras in the S660 are not of particular interest — the standard for low-cost smartphones are 8 MP main camera and 0.3 MP front camera. The built-in memory is 8 GB, of which the user has only about 4. However, you can fix this situation with a microSD card.

A large screen with a resolution of 960x540 pixels and a diagonal of 4.7" is comfortable to work with a smartphone. The screen is quite well calibrated and has good anti-glare properties.

It can be summarized that Lenovo has turned out to be an inexpensive smartphone with a powerful battery and a good case.

 
Low price, HD display, good front camera, very capacious battery, support for two SIM cards and microSD cards.
 
 
Relatively low performance, large and heavy body, small amount of internal memory.
 

ThL 4400 4 GB / 1 GB

ThL has proven itself well in the production of inexpensive smartphones with powerful batteries. Their capacity can be found simply by the model number — so, the ThL 4400 has a lithium-ion battery with a capacity of 4400 mAh on board. And the more expensive ThL 5000 models it reaches 5000 mAh.

Even one glance at this figure is enough to understand that we have a real long-liver in front of us. In standby mode, it is ready to work for more than a week, and with active use, it will quietly last a couple of days. Although, games drain the battery in 6 hours, and videos can be played for up to 8 hours in a row.

In addition to a good battery, you can note an interesting set of cameras, as for a state employee: the main 8 megapixels is complemented by the front 5 . For inexpensive models, a good front—facing camera is rather a pleasant surprise than a mandatory element.

A five-inch HD-resolution display is also good. On the one hand, its use does not really increase the price of the device, and on the other hand, it provides a pixel density of 294 ppi. The IPS matrix is applied, so the viewing angles are very wide, and the colour rendering is correct. And it is protected from damage by a protective glass Gorilla Glass 3.

The operating system is not the newest (Android 4.2 Jelly Bean), but it works fast, and for convenience, a proprietary user interface is installed. There is not much internal memory (only 4 GB), so it is good that it is possible to expand it using a micorSD memory card. In games, the ThL 4400 is not particularly pleasing. The Mediatek MT6582 chip calmly pulls simple toys, and for complex 3D graphics there is not enough power of the Mali 400 video accelerator. Although for the daily operation of these chips and 1 GB of RAM is quite enough.

The smartphone is initially positioned precisely as a centenarian, not a performance champion, and handles well with this role.

 
High performance, HD display, reasonable cost, dual SIM card support, microSD slot.
 
 
Weak cameras, some difficulties with firmware.
 

JiaYu G4S 16 GB / 2 GB

JiaYu does not belong to well-known brands in our country. Nevertheless, the company produces good smartphones of medium and high level. In the JiaYu model range there is a G4S smartphone that attracts buyers with its serious characteristics and a 3000 mAh battery.

It is impossible to say unequivocally that this smartphone was planned as a super-autonomous. It just has a powerful hardware system that needs a good battery. Therefore, we see that intensive games drain the G4S battery in about 4 hours. With video playback, the situation is noticeably better: the charge lasts for about 12 hours. At the same time, less intense loads allow the smartphone to work for about one and a half to two days, and in standby mode it can last for five days.

The secret of good performance lies in the Mediatek MT6592 chip with the Mali 450 video accelerator. The high clock speed of eight processor cores (1.7 GHz) combined with 2 GB of RAM support the smartphone's performance at a high level even with the most difficult tasks.

JiaYu G4S got a good screen — HD resolution for a 4.7-inch display is optimal for the middle class of devices. Of course, this is not Full HD, but the pixel density, and hence the image clarity, is high (312 per inch). In addition, a third-generation Gorilla Glass protective glass is installed here. There is an oleophobic coating, so that the finger slides across the screen easily, and the prints are wiped off without problems.

The 13 MP main camera module installed in the smartphone is not bad, although the software processing of photos is characterized by excessive noise reduction even in cases where it would be possible to do without it. The front-facing camera with a resolution of 3 megapixels also takes medium-quality pictures.

Like many other low-cost smartphones, Jia Yu G4S runs on Android OS version 4.2 Jelly Bean almost in its original form. And the installed launcher slightly changes the standard interface appearance. There is no need to worry about Cyrillic support in the interface, according to reviews there are no problems with this. Although, there are complaints about difficulties with updating firmware.

The only thing that can keep the user from buying at the first glance at the characteristics and the device itself is the lack of brand awareness. Otherwise, it is a powerful smartphone with a capacious battery.

 
Support for two SIM cards and microSD cards, NFC, good performance, 6-inch screen.
 
 
Relatively high price, large dimensions, cheap housing materials.
 

Sony Xperia T2 Ultra Dual 8 GB / 1 GB

The appearance gives the Sony Xperia T2 Ultra a mid-range model. While his more expensive comrades received glass back panels, plastic is installed here. But the dimensions of this smartphone are impressive — a large six-inch display immediately stands out from a number of models in our review. The resolution of 1280x720 may seem small for such a diagonal, however, according to reviews, the pixels are not particularly noticeable to the eye. Sony used a high-quality IPS matrix, so when the viewing angles change, the picture is not distorted, and the colours remain contrasting and saturated.

The 3000 mAh battery in the Sony Xperia T2 Ultra is enough for 4 hours of gaming or 8 hours of video playback. When using all the functions of a smartphone, you can count on a full day of work. And in the mode of normal telephone communication, the smartphone will last up to five days.

Sony Xperia T2 Ultra will be a good choice for many users, because in addition to a capacious battery, there are a number of advantages in its arsenal. First of all, Sony's proprietary shell installed on top of Android 4.4 KitKat. The presence of a Qualcomm chip in the smartphone, although rather modest Snapdragon 400, ensures high performance of the smartphone. This is especially noticeable in games, since the Adreno 305 video accelerator handles well even with complex games (albeit at medium settings).

No wonder Sony matrices are put in many smartphones of other brands. Owners of T2 Ultra have the opportunity to see their potential, which is revealed with the help of many special shooting modes. There is support for two SIM cards in Dual SIM Dual Standby mode and microSD memory cards with a volume of up to 64 GB. From the special "chips" of the smartphone, we will highlight the NFC. This technology greatly simplifies the wireless connection of other devices.

The main advantage of the T2 Ultra is a large high—quality screen. He also pleases with a good camera and other "chips".

 
Excellent screen, powerful processor, high-quality cameras, fingerprint scanner, NFC, microSD card support, metal case.
 
 
No dual SIM card support, high cost.
 

Huawei Mate 7 16 GB / 2 GB

The idea of a smartphone that, in addition to a high-capacity battery and impressive battery life, will have all the flagship characteristics embodied in the Huawei Mate 7 smartphone.

HiSilicon Kirin 925 chip with Mali-T628 MP4 video accelerator provides amazing results in synthetic tests and in fact. The most difficult games are played at maximum settings without speed subsidence, etc. An eight-core processor using ARM big.LITTLE technology handles with complex tasks and saves energy at a low load level.

Complete with a 4100 mAh battery, this has a positive effect on its battery life. The smartphone lives quietly for two days with active use of Wi-Fi, GPS, etc., in the mode of normal communication, it is ready to serve you for a week. Although, games put him down for 5 hours, and you can enjoy watching videos for 10 hours without recharging.

A large six-inch display with Full HD resolution is great for watching TV shows. Thanks to the minimal frames on the sides of the screen, even such a large smartphone in your hand is quite comfortable. It's also nice to work with a smartphone because of the convenient and beautiful custom Emotion UI shell installed on a fairly recent version of Android 4.4 KitKat.

The cameras were selected for fans of mobile photography: the main one at 13 MP and the front one at 5 MP. With the help of the main photo, they are clear, sharp and contrasting . The front camera is also good and takes selfies of excellent quality under any conditions.

In addition to the standard set of functions, Mate 7 has received many nice and useful features. With the help of a fingerprint scanner, you can secure the information on your smartphone. And the built-in NFC will simplify the connection to wireless accessories. A nice bonus for the flagship is a slot for memory cards.

It is difficult to imagine a smartphone that is more perfect in all respects: in terms of multimedia component and performance, it leaves behind most of its competitors. At the same time, however, we must not forget about the cost — Huawei Ascend Mate7 also has a flagship.

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