Samsung Galaxy S4 – PCLab.pl

Construction		Home
Size	136.6 x 69.8 x 7.9 mm	Range (MHz)	GSM 850 / 900/1800/1900 HSDPA 850/900/1900/2100 HSDPA 42.2 Mbps, HSUPA 5.76 Mbps, LTE
Weight	130 g	GPS / Glonass	Yes / Yes
Screen	5-inch, 1080 x 1920 pixels, 441 PPI, Gorilla Glass 3	Bluetooth	Yes, 4.0
Processor (SoC + GPU)	600 Snapdragon SoC 1.9 GHz, Adreno 320 450 MHz	HDMI	Yes
RAM	2 GB	USB Host	Yes
Built-in Memory	16 GB	Camera	back: 13 MP, autofocus, LED, image stabilization, geo-tagging, HDR Video 1080p / 30fps. The front 2 MP video 1080p / 30fps
Battery	Li-Ion 2600 mAh	Other	WiFi, compass, thermometer, gyroscope

Samsung Galaxy S4 – construction and quality of workmanship

Although the Samsung Galaxy S4 is the flagship smartphone Samsung, but does not see that the applied materials. The casing is made entirely of plastic, exactly the same material as the rest of the company’s telephones. The manufacturer could thus reduce some cost and weight of equipment (phone weighs 130 grams), but it lacks the elegance characterized by high-end devices, not to mention the fact that after a while begins to crackle. It is true that Samsung tried to offset the effect of low-cost hardware using a standard silver band around the edges, but it also polycarbonate.

Back Cover Galaxy S4, in which we find the camera lens and LED Illuminates is obviously removable and thus can replace the battery. Like other models, it can also be exchanged for a different color, personalizing bit own equipment.

The physical buttons, as in other models of Samsung Galaxy family, the Home key, volume control buttons located on the left edge and enable and lock the device placed on the right. At the bottom we have while USB 2.0, and at the top of the second microphone and analog headphone jack of 3.5 mm.

The display is one of the strongest points of the Samsung Galaxy S4. 5-inch panel offers a resolution of 1920 x 1080 pixels with a density of 441 PPI, and thanks to the Super AMOLED technology, the picture is crystal clear, and the reproduction and color saturation almost perfect. There is no wonder, it’s still one of the best technology on the market.

Screen Tests Samsung Galaxy S4

Used in the previous smartphone from Galaxy family PenTile matrix has been much improved this time. Make each pixel enriched with an additional green sub-pixel, thereby obtaining the density increased, thereby eliminating image pixellation encountered in earlier models of the matrix. The viewing angles are also excellent. And although the maximum you can notice a slight deterioration, it is not a problem.

Unfortunately, the Galaxy S4 screen is not too bright (300 cd / m 2), and thus visibility in direct sunlight is not the best. So using it outside the house, you need to protect your hand screen, otherwise not much to see him.

Functionality

The operating system used in the Samsung Galaxy S4 is Android 4.2.2, that standard has been enhanced overlay TouchWiz Nature UX known from other models. Changes the user interface and adds a lot of useful widgets that allow the screen to fit individual needs.

Galaxy S4 users can benefit from the whole mass of useful applications, even such as the ability to simultaneously record video front and rear camera, as well as recording 9 -sekundowego fragment of sound when taking a picture, which will then be attached to it. The manufacturer also joined a very useful and convenient to use translator, who translates our conversation on chat, email, or text messages, reducing somewhat the language barrier.

An interesting addition is the S Health handy for people who care about your physical condition. The application measures the amount of steps taken, calories burned, and generally monitor our lifestyle, notifying us also about the temperature and weather conditions may affect our health. We may also use the app to change WatchON allowing smartphone remote control TVs and other devices, appliances – the phone has an IR emitter). You also can not forget about the access to Google Play, where you can find thousands of useful applications for different purposes.

Analysis of the operating system and the functionality of the Samsung Galaxy S4

As befits for the flagship model Galaxy S4 has many connectivity options, ranging czterozakresowego GSM quad-band UMTS via WiFi, Bluetooth 4.0, LTE ending. This last option will provide us with a very fast connection to the global network, enabling download speeds of 100 Mbit / s, while sending a speed of 50 Mbit / s.

Galaxy S4 also features a NFC system allows to exchange data with a nearby device and a system of mirror screen interface for transferring images or movies on another device. It also has DLNA, WiFi Direct, and additionally can act as a WiFi hotspot. Not forgotten about the possibility of connecting it to the TV through a special USB-to-HDMI cable. And if you choose to travel, you can benefit from the support of GPS GLONASS system.

Performance

At the heart of Samsung Galaxy S4 is a very powerful processor Qualcomm Snapdragon SoC 600 APQ8064T having four cores Krait 300 clocked at 1.9 GHz. This is the same processor, which is in the HTC One, but slightly more tweaked. It is worth noting that there is also a model with 8-core Exynos 5 Octa system, but is not intended for the European market.

Samsung Galaxy benchmarks S4

The unit is supported by a dual-core GPU Adreno 320 clocked at 450 MHz and 2 GB of RAM. For this depending on the model reaches 16 GB, 32 GB or 64 GB of memory which can be expanded using the microSD card. Adreno 320 makes the phone ideal for gaming and is also the most demanding titles.

Camera

Samsung Galaxy S4 is equipped with high-end cameras. The main camera has a die 13 Mpix, which allows you to take pictures at a resolution of 4128×3096 with aspect ratio of 4: 3. However, in 4128×2322 pixels we do panoramic photos in 16: 9.

The camera operates based on sensor manufactured by Sony with iris F / 2.2 and focal length of 31 mm. It has autofocus, LED and 4x digital zoom, and the manufacturer has equipped him well as a range of exposure modes and the ability to record video in Full HD.

Tests Camera Galaxy S4 and sample images

The front camera has 2-megapixel matrix and takes pictures at a resolution of 1600 x 1200 pixels and record videos at 1920 x 1080 pixels.

Battery

A powerful smartphone must have a strong enough power supply, which will provide him many hours of work. In this case we have a battery with a capacity of 2600 mAh, which, depending on the intensity of use of the equipment can withstand just over a day. With WiFi off and minimum brightness settings, working time is 27 hours and 22 minutes. Surf the web with Wi-Fi enabled shortens this time to 8 hours and 53 minutes, while at full load the phone will work less than four hours. Result relatively good considering the processor and screen size.

defect

are interested in buying, however, warn against the fact that there were cases of spontaneous combustion Galaxy S4 during charging. In one such incident, there has been only partially damaged phone in the other, unfortunately burned down the whole house … Of course you can reckon with the fact that since then, there is a software patch that has not led to an avalanche of such accidents, but especially fearful should be 2 times think;)

Samsung Galaxy S4 – price and review

Samsung Galaaxy S4 currently costs about 1400 dollars. For this sum we get a smartphone with a large screen with excellent image quality, a powerful processor, good quality camera and lots of useful software. May offend plastic housing, which, as to this class of equipment is a misunderstanding, but it’s a little thing which you can get used to. In short, buying the Galaxy S4 can be really profitable.

Read the full review and test the Samsung Galaxy S4 in the pages PCLabu