40points

Oppo A3s

58points

Xiaomi Redmi 7

58points

Xiaomi Redmi 7 (32GB / 3GB RAM)

Oppo A3s
Xiaomi Redmi 7 (32GB / 3GB RAM)
Comparison winner
vs
vs

148 facts in comparison

Oppo A3svs Xiaomi Redmi 7vs Xiaomi Redmi 7 (32GB / 3GB RAM)

Oppo A3s
Xiaomi Redmi 7
Xiaomi Redmi 7 (32GB / 3GB RAM)
40
points
Oppo A3s
58
points
Xiaomi Redmi 7
58
points
Xiaomi Redmi 7 (32GB / 3GB RAM)

Why is Oppo A3s better than the others?

  • Battery power
    ?

    4230mAhvs4000,4000mAh
  • Pixel density
    ?

    271ppivs269,269ppi
  • Megapixels (main camera)
    ?

    13MP & 2MPvs12 & 2,12 & 2MP
  • Supports Wi-Fi 5 (802.11ac)
    ?
  • Weight
    ?

    168gvs180,180g
  • Thickness
    ?

    8.2mmvs8.5,8.5mm
  • Height
    ?

    156.2mmvs158.7,158.7mm
  • Volume
    ?

    96.83cm³vs101.98061999999999,101.98061999999999cm³

Why is Xiaomi Redmi 7 better than the others?

  • RAM
    ?

    4GBvs2,3GB
  • Internal storage
    ?

    64GBvs16,32GB

Why is Xiaomi Redmi 7 (32GB / 3GB RAM) better than the others?

Price comparison

Oppo A3s

Buy used:

$139.99

ProductStorePrice
Oppo A3s AmazonOPPO F11 (6GB RAM, 128GB Storage)
Amazon logo
$368.90
Oppo A3s AmazonOriginal OPPO Find X FindX 256GB 8GB Sma...Original OPPO Find X FindX 256GB 8GB Smartphone Dual SIM 6.42'' Full Screen Octa Core LTE Dual 16 MP+20 MP Camera 3730 mAh Support Google By-(REAL STAR TECHNOLOGY) (Boedeaux Red 8G 256GB)
Amazon logo
$683.90
Oppo A3s AmazonOPPO A7 (Glaze Blue, 3GB RAM, 64GB Stora...OPPO A7 (Glaze Blue, 3GB RAM, 64GB Storage)
Amazon logo
$195.00
Oppo A3s AmazonOPPO F11 Pro (Thunder Black, 6GB RAM, 12...OPPO F11 Pro (Thunder Black, 6GB RAM, 128GB Storage) (Rising Camera)
Amazon logo
$385.00
Oppo A3s AmazonOppo R17 128GB/8GB (Blue) 4G LTE 6.4" 23...Oppo R17 128GB/8GB (Blue) 4G LTE 6.4" 2340x1080 AMOLED - Factory Unlocked - GSM ONLY, NO CDMA - No Warranty in The USA
Amazon logo
$442.23
Oppo A3s AmazonOriginal Oppo Reno 8GB+256GB Mobile Phon...Original Oppo Reno 8GB+256GB Mobile Phone Snapdragon 710 Octa Core 48MP Camera Phone VOOC 3.0 Screen Fingerprint Cellphone Support Google by-(Real Star Technology) (Green)
Amazon logo
$590.00
Oppo A3s AmazonOPPO Find X FindX 6.42' 128GB 8GB Smartp...OPPO Find X FindX 6.42' 128GB 8GB Smartphone Dual SIM (Boedeaux Red)
Amazon logo
$660.23
Oppo A3s aliexpress2018 NEW IPS Display For Oppo F7 LCD Dis...2018 NEW IPS Display For Oppo F7 LCD Display Touch Screen Digitizer Assembly For OPPO F7 A3 LCD With Frame Screen Replacement
aliexpress logo
$46.00
Oppo A3s walmartAMZER Full Screen Tempered Glass for OPP...AMZER Full Screen Tempered Glass for OPPO A3s Edge2Edge 9H HD Clear Screen Protecor Scratch Guard for OPPO A3s
walmart logo
$16.95

Xiaomi Redmi 7

Buy used:

$164.50

ProductStorePrice
Xiaomi Redmi 7 AmazonXiaomi Redmi Note 9S 6.67" 48MP Internat...Xiaomi Redmi Note 9S 6.67" 48MP International Global Version (Aurora Blue, 4GB/64GB)
Amazon logo
$214.50
Xiaomi Redmi 7 AmazonXiaomi Redmi 8 32GB Dual-SIM GSM Unlocke...Xiaomi Redmi 8 32GB Dual-SIM GSM Unlocked Phone Global Version - Onyx Black
Amazon logo
$169.99
Xiaomi Redmi 7 AmazonXiaomi Redmi Note 8 128GB 4GB RAM 48MP F...Xiaomi Redmi Note 8 128GB 4GB RAM 48MP Factory Unlocked Global Version Dual SIM Smartphone (Neptune Blue)
Amazon logo
$204.50
Xiaomi Redmi 7 AmazonXiaomi Redmi Note 9 Pro 128GB + 6GB RAM,...Xiaomi Redmi Note 9 Pro 128GB + 6GB RAM, 6.67" FHD+ DotDisplay, 64MP AI Quad Camera, Qualcomm Snapdragon 720G LTE Factory Unlocked Smartphone - International Version (Interstellar Grey)
Amazon logo
$262.50
Xiaomi Redmi 7 banggood_wwXiaomi Redmi 7A Global Version 5.45 inch...Xiaomi Redmi 7A Global Version 5.45 inch Face Unlock 4000mAh 2GB 16GB Snapdragon 439 Octa core 4G Smartphone
banggood_ww logo
$109.99
Xiaomi Redmi 7 aliexpressGlobal ROM Xiaomi Redmi Note 8 4GB 64GB ...Global ROM Xiaomi Redmi Note 8 4GB 64GB 48MP Quad Camera Smartphone Snapdragon 665 Octa Core 6.3" FHD Screen 4K Video Phone
aliexpress logo
$158.48

Design

1.weather-sealed (splashproof)
Oppo A3s
Xiaomi Redmi 7
Xiaomi Redmi 7 (32GB / 3GB RAM)
The device is protected with extra seals to prevent failures caused by dust, raindrops, and water splashes.
2.weight

168g

180g

180g

We consider a lower weight better because lighter devices are more comfortable to carry. A lower weight is also an advantage for home appliances, as it makes transportation easier, and for many other types of products.
3.thickness

8.2mm

8.5mm

8.5mm

We consider a thinner chassis better because it makes the product more compact and portable. Thinness is a feature highlighted by many manufacturers of mobile devices, but it is essential for a wide range of products.
4.height

156.2mm

158.7mm

158.7mm

The height represents the vertical dimension of the product. We consider a smaller height better because it assures easy maneuverability.
5.width

75.6mm

75.6mm

75.6mm

The width represents the horizontal dimension of the product. We consider a smaller width better because it assures easy maneuverability.
6.volume

96.83cm³

101.98cm³

101.98cm³

Volume is the quantity of three-dimensional space enclosed by the product's chassis or, in simpler terms, the space the product occupies.

Display

1.pixel density

271ppi

269ppi

269ppi

Pixel density is a measurement of a screen's resolution, expressed as the number of pixels per inch (PPI) on the screen. A higher pixel density translates into more clarity and sharpness for the images rendered on the screen, thus improving the quality of the viewing experience.
2.resolution

720 x 1520px

720 x 1520px

720 x 1520px

Resolution is an essential indicator of a screen's image quality, representing the maximum amount of pixels that can be shown on the screen. The resolution is given as a compound value, comprised of horizontal and vertical pixels.
3.screen size

6.2"

6.26"

6.26"

The bigger the screen size is, the better the user experience.
4.has branded damage-resistant glass
Oppo A3s
Xiaomi Redmi 7
Xiaomi Redmi 7 (32GB / 3GB RAM)
Damage-resistant glass (such as Corning Gorilla Glass or Asahi Dragontrail Glass) is thin, lightweight, and can withstand high levels of force.
5.LCD display with 3 subpixels per pixels
Oppo A3s
Xiaomi Redmi 7
Xiaomi Redmi 7 (32GB / 3GB RAM)
The device has an LCD display with 3 subpixels per pixel, resulting in sharp and crisp images. Pixels in some displays (like AMOLED) share one subpixel to preserve space. This can result in a less crisp, slightly blurred image.
6.has an IPS screen
Oppo A3s
Xiaomi Redmi 7
Xiaomi Redmi 7 (32GB / 3GB RAM)
IPS (In-Plane Switching) is a technology used for LCDs. It was designed to overcome the main limitations of conventional twisted nematic TFT displays: limited viewing angles and low-quality color reproduction. PLS (Plane-to-Line Switching) is a type of IPS screen developed by Samsung, with increased brightness and lower production costs.

Performance

1.CPU speed

4 x 1.8GHz & 4 x 1.8GHz (Qualcomm Snapdragon 632)

4 x 1.8GHz & 4 x 1.8GHz (Qualcomm Snapdragon 632)

The CPU speed indicates how many processing cycles per second can be executed by a CPU, considering all of its cores (processing units). It is calculated by adding the clock rates of each core or, in the case of multi-core processors employing different microarchitectures, of each group of cores.
2.RAM

2GB

4GB

3GB

Random-access memory (RAM) is a form of volatile memory used to store working data and machine code currently in use. It is a quick-access, temporary virtual storage that can be read and changed in any order, thus enabling fast data processing.
3.has an external memory slot
Oppo A3s
Xiaomi Redmi 7
Xiaomi Redmi 7 (32GB / 3GB RAM)
The device has a standard memory slot (such as an SD or micro SD card slot) that enables you to extend the built-in internal storage with affordable memory modules, or easily retrieve data, such as photographs, from the memory card.
4.internal storage

16GB

64GB

32GB

The internal storage, also called read-only memory (ROM), refers to the built-in storage space available in a device for system data, apps, and user-generated data. With a large amount of internal storage, you can save more files and apps on your device.
5.Has integrated LTE
Xiaomi Redmi 7 (Qualcomm Snapdragon 632)
Xiaomi Redmi 7 (32GB / 3GB RAM) (Qualcomm Snapdragon 632)
The system on a chip (SoC) has an integrated LTE cellular chip. LTE is capable of downloading at faster speeds than older, 3G technology.
Small semiconductors provide better performance and reduced power consumption. Chipsets with a higher number of transistors, semiconductor components of electronic devices, offer more computational power. A small form factor allows more transistors to fit on a chip, therefore increasing its performance.

Cameras

1.megapixels (main camera)

13MP & 2MP

12MP & 2MP

12MP & 2MP

The number of megapixels determines the resolution of the images captured with the main camera. A higher megapixel count means that the camera is capable of capturing more details. However, the megapixel count is not the only important element determining the quality of an image.
2.megapixels (front camera)

8MP

8MP

8MP

The number of megapixels determines the resolution of the images captured with the front camera. A higher megapixel count means that the front camera is capable of capturing more details, an essential factor for taking high-resolution selfies.
3.has built-in optical image stabilization
Oppo A3s
Xiaomi Redmi 7
Xiaomi Redmi 7 (32GB / 3GB RAM)
Optical image stabilization uses gyroscopic sensors to detect the vibrations of the camera. The lens adjusts the optical path accordingly, ensuring that any type of motion blur is corrected before the sensor captures the image.
4.video recording (main camera)

1080 x 30fps

1080 x 60fps

1080 x 60fps

The maximum resolution available for videos shot with the main camera. Although it may be possible to choose among other frame rates, those recordings usually have lower resolutions.
5.Has a dual-tone LED flash
Oppo A3s
Xiaomi Redmi 7
Xiaomi Redmi 7 (32GB / 3GB RAM)
A dual-tone flash has LED lights with different color temperatures, delivering a better color balance to photos and videos.
6.has a BSI sensor
Oppo A3s
Xiaomi Redmi 7
Xiaomi Redmi 7 (32GB / 3GB RAM)
A BSI (backside illuminated) sensor is a camera image sensor which captures better quality images in poor lighting conditions, and offers better overall sharpness and image quality.

Audio

1.has stereo speakers
Oppo A3s
Xiaomi Redmi 7
Xiaomi Redmi 7 (32GB / 3GB RAM)
Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.
2.has a socket for a 3.5 mm audio jack
Oppo A3s
Xiaomi Redmi 7
Xiaomi Redmi 7 (32GB / 3GB RAM)
With a standard mini jack socket, you can use the device with most headphones.
3.Has a radio
Oppo A3s
Xiaomi Redmi 7
Xiaomi Redmi 7 (32GB / 3GB RAM)
A built-in FM radio tuner allows you to listen to most of the live-broadcasted FM radio stations without using the internet.
4.number of microphones

2

2

2

More microphones result in better sound quality and enable the device to filter out background noise.
5.Has dedicated media keys
Oppo A3s
Xiaomi Redmi 7
Xiaomi Redmi 7 (32GB / 3GB RAM)
Phones with physical keyboards have dedicated media keys, such as: play, stop, next, previous, volume up/down, etc.

Battery

1.battery power

4230mAh

4000mAh

4000mAh

Battery power, or battery capacity, represents the amount of electrical energy that a battery can store. More battery power can be an indication of longer battery life.
2.has a removable battery
Oppo A3s
Xiaomi Redmi 7
Xiaomi Redmi 7 (32GB / 3GB RAM)
The battery is removable and can be replaced by the user if broken.
3.has wireless charging
Oppo A3s
Xiaomi Redmi 7
Xiaomi Redmi 7 (32GB / 3GB RAM)
The manufacturer offers a branded wireless charging kit. To charge the device, you simply put it down on its charging base.
4.Supports fast charging
Oppo A3s
Xiaomi Redmi 7
Xiaomi Redmi 7 (32GB / 3GB RAM)
Fast charging technologies, like Qualcomm’s Quick Charge or MediaTek’s Pump Express, are used to reduce the time it takes to charge a device. For example, with Quick Charge 3.0, the battery can be charged to 50% in just 30 minutes.
5.Has an ultra power-saving mode
Oppo A3s (Android 8.0 Oreo)
Xiaomi Redmi 7 (Android 9.0 Pie)
Xiaomi Redmi 7 (32GB / 3GB RAM) (Android 9.0 Pie)
The ultra power-saving mode, also called low power mode, is an effective way to extend the battery life of the device. Usually, it involves limiting screen brightness and contrast, disabling location services, restricting connectivity, and turning off nonessential apps.
6.has a battery level indicator
Oppo A3s
Xiaomi Redmi 7
Xiaomi Redmi 7 (32GB / 3GB RAM)
An indicator shows you when the device has low battery.

Features

1.download speed
The download speed is a measurement of the internet connection bandwidth, representing the maximum data transfer rate at which a device can access online content.
2.supports Wi-Fi 5 (802.11ac)
Oppo A3s
Xiaomi Redmi 7
Xiaomi Redmi 7 (32GB / 3GB RAM)
802.11ac wireless works on the 5GHz frequency range. It offers higher transfer rates, improved reliability, and improved power consumption. It provides advantages for gaming and HD video streaming.
3.has NFC
Oppo A3s
Xiaomi Redmi 7
Xiaomi Redmi 7 (32GB / 3GB RAM)
NFC (near-field communication) allows a device to perform simple wireless transactions.
4.Has a fingerprint scanner
Oppo A3s
Xiaomi Redmi 7
Xiaomi Redmi 7 (32GB / 3GB RAM)
The device has a fingerprint scanner which identifies the user.
5.is DLNA-certified
Oppo A3s
Xiaomi Redmi 7
Xiaomi Redmi 7 (32GB / 3GB RAM)
All DLNA-certified products are compatible with one another. When different devices are connected to the same network, data can be transferred easily between them.
6.Bluetooth version

4.2

4.2

4.2

Bluetooth is a wireless technology standard that allows data transfers between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves. Newer versions provide faster data transfers.

Miscellaneous

1.uses multithreading
Oppo A3s
Xiaomi Redmi 7 (Qualcomm Snapdragon 632)
Xiaomi Redmi 7 (32GB / 3GB RAM) (Qualcomm Snapdragon 632)
Multithreading technology (such as Intel's Hyperthreading or AMD's Simultaneous Multithreading) provides increased performance by splitting each of the processor's physical cores into virtual cores, also known as threads. This way, each core can run two instruction streams at once.

Price comparison

Oppo A3s

Buy used:

$139.99

ProductStorePrice
Oppo A3s AmazonOPPO F11 (6GB RAM, 128GB Storage)
Amazon logo
$368.90
Oppo A3s AmazonOriginal OPPO Find X FindX 256GB 8GB Sma...Original OPPO Find X FindX 256GB 8GB Smartphone Dual SIM 6.42'' Full Screen Octa Core LTE Dual 16 MP+20 MP Camera 3730 mAh Support Google By-(REAL STAR TECHNOLOGY) (Boedeaux Red 8G 256GB)
Amazon logo
$683.90
Oppo A3s AmazonOPPO A7 (Glaze Blue, 3GB RAM, 64GB Stora...OPPO A7 (Glaze Blue, 3GB RAM, 64GB Storage)
Amazon logo
$195.00
Oppo A3s AmazonOPPO F11 Pro (Thunder Black, 6GB RAM, 12...OPPO F11 Pro (Thunder Black, 6GB RAM, 128GB Storage) (Rising Camera)
Amazon logo
$385.00
Oppo A3s AmazonOppo R17 128GB/8GB (Blue) 4G LTE 6.4" 23...Oppo R17 128GB/8GB (Blue) 4G LTE 6.4" 2340x1080 AMOLED - Factory Unlocked - GSM ONLY, NO CDMA - No Warranty in The USA
Amazon logo
$442.23
Oppo A3s AmazonOriginal Oppo Reno 8GB+256GB Mobile Phon...Original Oppo Reno 8GB+256GB Mobile Phone Snapdragon 710 Octa Core 48MP Camera Phone VOOC 3.0 Screen Fingerprint Cellphone Support Google by-(Real Star Technology) (Green)
Amazon logo
$590.00
Oppo A3s AmazonOPPO Find X FindX 6.42' 128GB 8GB Smartp...OPPO Find X FindX 6.42' 128GB 8GB Smartphone Dual SIM (Boedeaux Red)
Amazon logo
$660.23
Oppo A3s aliexpress2018 NEW IPS Display For Oppo F7 LCD Dis...2018 NEW IPS Display For Oppo F7 LCD Display Touch Screen Digitizer Assembly For OPPO F7 A3 LCD With Frame Screen Replacement
aliexpress logo
$46.00
Oppo A3s walmartAMZER Full Screen Tempered Glass for OPP...AMZER Full Screen Tempered Glass for OPPO A3s Edge2Edge 9H HD Clear Screen Protecor Scratch Guard for OPPO A3s
walmart logo
$16.95

Xiaomi Redmi 7

Buy used:

$164.50

ProductStorePrice
Xiaomi Redmi 7 AmazonXiaomi Redmi Note 9S 6.67" 48MP Internat...Xiaomi Redmi Note 9S 6.67" 48MP International Global Version (Aurora Blue, 4GB/64GB)
Amazon logo
$214.50
Xiaomi Redmi 7 AmazonXiaomi Redmi 8 32GB Dual-SIM GSM Unlocke...Xiaomi Redmi 8 32GB Dual-SIM GSM Unlocked Phone Global Version - Onyx Black
Amazon logo
$169.99
Xiaomi Redmi 7 AmazonXiaomi Redmi Note 8 128GB 4GB RAM 48MP F...Xiaomi Redmi Note 8 128GB 4GB RAM 48MP Factory Unlocked Global Version Dual SIM Smartphone (Neptune Blue)
Amazon logo
$204.50
Xiaomi Redmi 7 AmazonXiaomi Redmi Note 9 Pro 128GB + 6GB RAM,...Xiaomi Redmi Note 9 Pro 128GB + 6GB RAM, 6.67" FHD+ DotDisplay, 64MP AI Quad Camera, Qualcomm Snapdragon 720G LTE Factory Unlocked Smartphone - International Version (Interstellar Grey)
Amazon logo
$262.50
Xiaomi Redmi 7 banggood_wwXiaomi Redmi 7A Global Version 5.45 inch...Xiaomi Redmi 7A Global Version 5.45 inch Face Unlock 4000mAh 2GB 16GB Snapdragon 439 Octa core 4G Smartphone
banggood_ww logo
$109.99
Xiaomi Redmi 7 aliexpressGlobal ROM Xiaomi Redmi Note 8 4GB 64GB ...Global ROM Xiaomi Redmi Note 8 4GB 64GB 48MP Quad Camera Smartphone Snapdragon 665 Octa Core 6.3" FHD Screen 4K Video Phone
aliexpress logo
$158.48

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