Infinix is the (predominantly) online brand owned by Transsion Holdings — their other brand Tecno sells mostly offline. The company is busy bringing premium features down to budget prices. With the S4, you get a 2.5D curved glass back, 32MP selfie camera with large 1.6micron pixels and AI enabled triple rear camera. All this at a price under 60,000 naira makes it great value for money.
Brand: Infinix
Model: S4
Release date: May 2019
Dimensions: (mm) 156.00 x 75.00 x 7.90
Weight: (g) 155.00
Battery capacity: (mAh) 4000
Colours: Nebula Blue, Twilight Purple and Space Gray
Touchscreen : Yes
Resolution: 720x1520 pixels
Aspect ratio: 19.5:9
Processor make : MediaTek Helio P22
RAM: 3GB
Internal storage: 32GB
Expandable storage: Yes
Expandable storage type: microSD
Expandable storage up to: (GB) 256
Dedicated microSD slot: Yes
Rear flash: Yes
Front camera: 32-megapixel (f/2.0)
Software
Operating system: Android Pie
Skin XOS: 5.0
Wi-Fi standards supported: 802.11 a/b/g/n
GPS :Yes
Bluetooth: Yes, v 5.00
Micro-USB: Yes
Number of SIMs: 2
SIM 1
SIM Type: Nano-SIM
SIM 2
SIM Type :Nano-SIM
Fingerprint sensor: Yes
Compass/ Magnetometer: Yes
Proximity sensor : Yes
Ambient light sensor: Yes
Triple rear camera
32MP selfie camera
Bigger battery.
Plastic build
Slow charging
The phone features an AI triple cameras at the back aligned in a vertical setup with a quad-LED flashlight. There is a rectangular shaped fingerprint sensor at the centre as well on the back.
Just beneath the fingerprint sensor, there is the Infinix branding also. The selfie camera exists in a water drop notch. If you are not a fan of notch display smartphones, then you can hide it from settings.
During our usage, we found the screen brightness is very impressive. The brightness is not harsh to stress your eyes and the auto brightness works very efficient to adjust with the environment.
The screen brightness can also be controlled automatically. There is an eye care mode on the smartphone as well for a comfortable reading experience at night. Due to its glossy finish, the phone attracts lots of smudges at the back panel. But Infinix ships a TPU case in the box, which you can use to reduce smudges.
The 3GB of RAM helps the S4 retain apps in memory, which aids in multitasking. Just like the Realme C2, though, the Infinix S4 also took slightly longer than usual to load large apps.
We ran our benchmark apps which revealed how the Helio P22 performs in the Infinix S4. In AnTuTu, the S4 managed 74,474 points which is lower than what the Realme C2 scored. This phone also got 762 and 3,646 points in Geekbench 4's single-core and multi-core tests respectively.
It scored 11,399 in 3DMark Ice Storm Unlimited and 8,288 in Ice Storm Extreme. The Infinix S4 also managed to score 11fps in GFXBench Manhattan 3.1 and 27fps in T-Rex.
PUBG Mobile ran at the low preset with the graphics quality set to Smooth and frame rate set to Medium. We did encounter lag while playing the game, but it wasn't as bad as on the Realme C2. The phone registered a 5 percent battery drop after 20 minutes of gameplay and did get warm to the touch around the upper rear.
We found the rear-mounted fingerprint scanner and the face recognition features to be quick to unlock the smartphone.
The Infinix S4 manages to deliver good battery life thanks to its 4000mAh battery. With our usage, which consisted of WhatsApp, using Google Maps for navigation, running our benchmarks, and taking a few camera samples, the smartphone went on for about a day and a half. In our HD video loop test, the Infinix S4 managed to clock 17 hours and 35 minutes.
When the battery runs out, the supplied charger is capable of charging it to 31 percent in 30 minutes, and it takes around 2 hours to top it up completely.
The triple camera setup on the Infinix S4 is the highlight of this product, as three cameras aren't common at this price point. There's a 13-megapixel primary sensor with an f/1.8 aperture, an 8-megapixel wide-angle sensor with a 120 degree field of view, and the third camera is a 2-megapixel depth sensor. There's also a quad-LED flash just below the camera module. At the front, this phone has a 32-megapixel selfie shooter with an f/2.0 aperture and screen flash.
The camera app has AI features built in to help the smartphone detect what it is pointed towards. AI is enabled by default on the S4. There are quick toggles available for HDR and the flash, as well as a button to switch to the wide-angle sensor. The Camera app also has other modes such as Beauty, Bokeh, Video, and AR Shot.
Photos taken with the Infinix S4 in daylight were good. The phone managed to lock focus quickly and get the exposure right.
It also managed good amounts of detail when shooting outdoors.
Macros were sharp and the S4 did manage to surprise us with its photo quality.
The phone also managed good separation between the subject and the background.
The Infinix S4 lets you select the level of blur when taking portrait shots but we found the edge detection quality to below average.
Low-light is where the camera takes a beating. Shots weren't sharp and had huge grain in the output. The wide-angle lens let you take wider landscapes but we noticed barrel distortion in the output.
Selfies were good and the presence of HDR does help when shooting outdoors. There is face detection as well, which helps get the exposure right before taking a shot.
Video recording maxes out at 1080p for the cameras and there is no stabilisation, resulting in shaky output.
Sadly camera performance takes a dip in low light. While the MediaTek Helio P22 SoC isn't the most powerful processor in this price bracket, it does manage to deliver a usable experience.
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Infinix S4 Full Specifications
GeneralBrand: Infinix
Model: S4
Release date: May 2019
Dimensions: (mm) 156.00 x 75.00 x 7.90
Weight: (g) 155.00
Battery capacity: (mAh) 4000
Colours: Nebula Blue, Twilight Purple and Space Gray
Display
Screen size: (inches) 6.21Touchscreen : Yes
Resolution: 720x1520 pixels
Aspect ratio: 19.5:9
Hardware
Processor: 2.2GHz octa-coreProcessor make : MediaTek Helio P22
RAM: 3GB
Internal storage: 32GB
Expandable storage: Yes
Expandable storage type: microSD
Expandable storage up to: (GB) 256
Dedicated microSD slot: Yes
Camera
Rear camera: 13-megapixel (f/1.8) + 8-megapixel (f/2.2) + 2-megapixelRear flash: Yes
Front camera: 32-megapixel (f/2.0)
Software
Operating system: Android Pie
Skin XOS: 5.0
Connectivity
Wi-Fi : YesWi-Fi standards supported: 802.11 a/b/g/n
GPS :Yes
Bluetooth: Yes, v 5.00
Micro-USB: Yes
Number of SIMs: 2
SIM 1
SIM Type: Nano-SIM
SIM 2
SIM Type :Nano-SIM
Sensors
Face unlock: YesFingerprint sensor: Yes
Compass/ Magnetometer: Yes
Proximity sensor : Yes
Ambient light sensor: Yes
Pros
Vibrant displayTriple rear camera
32MP selfie camera
Bigger battery.
Cons
Average performancePlastic build
Slow charging
Design and Display.
Infinix S4 phone comes with a pretty sleek design language. It sports a glossy and gradient finish Though the body is made of plastic. We received the Nebula Blue colour variant of the phone which looks cool.The phone features an AI triple cameras at the back aligned in a vertical setup with a quad-LED flashlight. There is a rectangular shaped fingerprint sensor at the centre as well on the back.
Just beneath the fingerprint sensor, there is the Infinix branding also. The selfie camera exists in a water drop notch. If you are not a fan of notch display smartphones, then you can hide it from settings.
The right side of the device features volume controls and power on/off button while on the left, there is dual-SIM and microSD card slot. The bottom panel of the phone has a micro USB port, a speaker grille, and a 3.5mm audio jack.
On the display front, you get a 6.26-inch HD+ display with 20 x 1520 pixels resolution, 19.5:9 aspect ratio and 500nit screen brightness. The viewing angles on the screen are satisfactory and in outdoor conditions, readability was not an issue. In bright sunlight, we were easily able to operate the phone. The Infinix S4 is quite lightweight at 155 grams and due to its compact size, it fits into the hand perfectly.During our usage, we found the screen brightness is very impressive. The brightness is not harsh to stress your eyes and the auto brightness works very efficient to adjust with the environment.
The screen brightness can also be controlled automatically. There is an eye care mode on the smartphone as well for a comfortable reading experience at night. Due to its glossy finish, the phone attracts lots of smudges at the back panel. But Infinix ships a TPU case in the box, which you can use to reduce smudges.
Infinix S4 performance, battery life, and cameras
The Infinix S4 offers good enough performance with its MediaTek Helio P22 SoC. We did not notice lag while scrolling through the menus or while switching between multiple apps.The 3GB of RAM helps the S4 retain apps in memory, which aids in multitasking. Just like the Realme C2, though, the Infinix S4 also took slightly longer than usual to load large apps.
We ran our benchmark apps which revealed how the Helio P22 performs in the Infinix S4. In AnTuTu, the S4 managed 74,474 points which is lower than what the Realme C2 scored. This phone also got 762 and 3,646 points in Geekbench 4's single-core and multi-core tests respectively.
It scored 11,399 in 3DMark Ice Storm Unlimited and 8,288 in Ice Storm Extreme. The Infinix S4 also managed to score 11fps in GFXBench Manhattan 3.1 and 27fps in T-Rex.
PUBG Mobile ran at the low preset with the graphics quality set to Smooth and frame rate set to Medium. We did encounter lag while playing the game, but it wasn't as bad as on the Realme C2. The phone registered a 5 percent battery drop after 20 minutes of gameplay and did get warm to the touch around the upper rear.
We found the rear-mounted fingerprint scanner and the face recognition features to be quick to unlock the smartphone.
The Infinix S4 manages to deliver good battery life thanks to its 4000mAh battery. With our usage, which consisted of WhatsApp, using Google Maps for navigation, running our benchmarks, and taking a few camera samples, the smartphone went on for about a day and a half. In our HD video loop test, the Infinix S4 managed to clock 17 hours and 35 minutes.
When the battery runs out, the supplied charger is capable of charging it to 31 percent in 30 minutes, and it takes around 2 hours to top it up completely.
The triple camera setup on the Infinix S4 is the highlight of this product, as three cameras aren't common at this price point. There's a 13-megapixel primary sensor with an f/1.8 aperture, an 8-megapixel wide-angle sensor with a 120 degree field of view, and the third camera is a 2-megapixel depth sensor. There's also a quad-LED flash just below the camera module. At the front, this phone has a 32-megapixel selfie shooter with an f/2.0 aperture and screen flash.
The camera app has AI features built in to help the smartphone detect what it is pointed towards. AI is enabled by default on the S4. There are quick toggles available for HDR and the flash, as well as a button to switch to the wide-angle sensor. The Camera app also has other modes such as Beauty, Bokeh, Video, and AR Shot.
Photos taken with the Infinix S4 in daylight were good. The phone managed to lock focus quickly and get the exposure right.
It also managed good amounts of detail when shooting outdoors.
Macros were sharp and the S4 did manage to surprise us with its photo quality.
The phone also managed good separation between the subject and the background.
The Infinix S4 lets you select the level of blur when taking portrait shots but we found the edge detection quality to below average.
Low-light is where the camera takes a beating. Shots weren't sharp and had huge grain in the output. The wide-angle lens let you take wider landscapes but we noticed barrel distortion in the output.
Selfies were good and the presence of HDR does help when shooting outdoors. There is face detection as well, which helps get the exposure right before taking a shot.
Video recording maxes out at 1080p for the cameras and there is no stabilisation, resulting in shaky output.
Verdict
The Infinix S4 is one of very few smartphones priced below 100,000 Naira to sport a triple camera setup. Its wide-angle sensor is handy when shooting landscapes, and the primary sensor does manage good photos in daylight.Sadly camera performance takes a dip in low light. While the MediaTek Helio P22 SoC isn't the most powerful processor in this price bracket, it does manage to deliver a usable experience.
You can buy from jumiabuy now
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