POCO X3 (6GB RAM, 128GB)  Vivo Y51 
POCO X3 Vivo Y51
Buy Now Buy Buy
Excellence Score
Value for Money Score
Price ₹ 17,999 onwards ₹ 15,249 onwards
Launch Date (India) Sep, 2020 Dec, 2020
Expected Launch Date N/A N/A
Smartphone OS Android 10Expected update to next Android version Android 11Low likelihood of getting updated to next Android version
Touchscreen Yes (Capacitive) Yes (Capacitive)
Screen Size 6.67 inches 6.58 inches
Screen Resolution 1080x2400 pixels (~ 395 pixels per inch) 1080x2408 pixels (~ 401 pixels per inch)
Tall Aspect Ratio / Minimal Bezels Yes Yes
Scratch Resistant Display Yes, Corning Gorilla Glass 5 Yes
Display Type IPS LCD IPS LCD
Screen Refresh Rate 120 HzSuper High 60 HzStandard
Display Features HDR10 N/A
Full Physical QWERTY Keypad
Processor 2.3 GHz 2 GHz
Processor Type Octa Core Octa Core
Processor Name Qualcomm Snapdragon 732GRanked #19 in Mobile Processor Benchmarks Qualcomm Snapdragon 665Ranked #46 in Mobile Processor Benchmarks
GPU Adreno 618 Adreno 610
3G Yes Yes
4G Yes Yes
VoLTE Yes Yes
WiFi Yes Yes
VoWiFi/WiFi-Calling Yes Yes
GPS Yes Yes
Bluetooth Yes Yes
Connecting Port USB-C USB-C
Primary Camera 64MP + 13MP + 2MP + 2MP 48MP + 8MP + 2MP
Camera Auto-Focus Yes Yes
Camera Flash Yes Yes
HD Video Recording Yes (4K) Yes (4K)
Other Camera Features 64MP: f/1.9 Aperture; 1/1.73" Sensor Size; 0.8um Pixel Size; PDAF, 13MP: f/2.2 Aperture; 119-degree ultra-wide; 1.0um Pixel Size, 2MP: f/2.4 Aperture; Macro Camera, 2MP: f/2.4 Aperture; Depth Sensor, HDR, Panorama, Video: [email protected]; [email protected]/120fps; [email protected], EIS 48MP: f/1.8 aperture; 1/2.0" sensor size; 0.8um pixel size; PDAF, 8MP: f/2.2 aperture; 120-degree ultra-wide; 1/4.0" sensor size; 1.12um pixel size, 2MP: f/2.4 aperture; macro lens, HDR, Panorama, Video: [email protected]; [email protected], EIS
Secondary Camera 20MP 16MP
Secondary Camera Features 20MP: F/2.2 Aperture; 27mm Focal length; 1/3.4"; 0.8um Pixel Size, HDR f/2.0 aperture, 1/3.06" sensor size, 1.0um pixel size, HDR
Internal Memory 128 GB 128 GB
Expandable Memory Slot Yes, up to 512 GB Yes, up to 1 TB
Contacts Storage Unlimited Unlimited
SMS Storage Unlimited Unlimited
Music Player Yes Yes
FM Radio Yes Yes
Dual SIM GSM+GSM (Hybrid SIM slot) GSM+GSM
Thickness 10 mmThick 8.4 mmMedium
Weight 225 gmHeavy 188 gmMedium
Width 76.8 mmInconvenient for one-handed use 75.3 mmOk for one-handed use
Audio Output 3.5mm jack 3.5mm jack
Water Resistant Yes, Splash Resistant (IP53 Rated)
Battery Capacity 6000 mAh 5000 mAh
Battery Standby N/A N/A
Battery Standby (3G) N/A N/A
Battery Talktime N/A N/A
Battery Talktime (3G) N/A N/A
Fast Charging Support Yes, 33W Fast Charging (100% in 65 min) Yes, 18W Fast Charging
Included Fast Charger Yes, 33.0W Fast Charger Yes, 18.0W Fast Charger
Other Battery Parameters N/A N/A
Fingerprint sensor Yes Yes
Other Features UFS 2.1 Storage; Stereo Speakers; Noise Filtration Noise Filtration
2-minute Review [Positives]
  • Unique, flashy rear design - the polycarbonate back has a thick etched strip running through the middle with large Poco branding towards the bottom which shines in iridescent colours when light hits it
  • The front has a sleek look with just a single punch-hole camera in the middle-top and thin bezels
  • The Poco X3 is well-built for a phone at its price
  • The side-positioned fingerprint scanner is easy to find, very responsive, and accurate
  • There’s also IP53 rating for dust and water resistance
  • Vibrant and crisp 6.67-inch IPS LCD screen - the expansive canvas with smooth transitions and rich colours with high refresh rate make it one of the best in this segment
  • The 120 Hz refresh rate is exclusive to Poco for this segment - it makes the UI very quick and responsive and general content and scrolling on the display looks smooth
  • HDR10 support for content and sites like YouTube while Widevine L1 brings high-res OTT streaming
  • Poco's UI is identified as Poco Launcher as well as MIUI in different parts of the UI - MIUI has always been one of the most refined Android UIs out there, and continues to get even better - it offers a good combination of aesthetics, useful added functionality, lots of customizability, and optimisation - everything is neatly categorized and colour coded for easier access
  • Excellent performance for the price from the new Snapdragon 732G SOC - it raises the bar in terms of how smooth budget phones can be - regular usage like scrolling pages, switching between apps is extremely fluid and heavy games like COD: Mobile can also be cranked up to higher graphics or frame rates for a respectable performance
  • Good quad cameras for the price - a 64MP primary snapper, a 13MP ultrawide shooter, followed by a 2MP macro cam and a 2MP depth sensor
  • The default 16MP photos from the main camera are excellent for this class - there is enough detail, high contrast, and commendable dynamic range - the colours are on the warmer side, but other than that the Poco X3 performs splendidly for its price
  • The ultrawide photos are quite good for a mid-ranger - they are quite detailed, the colours are nice and there is a reasonably wide dynamic range, the lens distortion correction is decent
  • The macro camera is decent for the occasional snap of a flower or bug
  • The portrait shots are pretty detailed - the Poco X3 is a capable portrait shooter with proficient subject separation and natural-looking blur
  • The low-light photos from the camera are decent, with enough details and light - the night mode brightens the whole scene and restores the highlights, the photos look great on the phone's screen and in low resolution on social media
  • The 20MP samples from the front camera present enough details, the colours are nice, and the contrast is excellent - portrait selfies are available and are decent
  • Video recording is good from both primary and ultra-wide cameras - electronic stabilization is available for the cameras
  • Good set of stereo speakers - the speakers get very loud with good enough bass
  • Excellent battery life from the 6000 mAh cell - the battery can last a whole day with heavy use, with light to moderate use it can be stretched for the second day
  • Very good fast charging from the 33W fast charger - it takes little over an hour to charge the phone completely
  • The Xiaomi Poco X3 is one of the best budget smartphones in its segment - it crams in a huge battery, solid screen, good cameras, and excellent performance for an unbeatable price, add in the great audio setup and it makes for a fantastic package
2-minute Review [Negatives]
  • A tad bit too bulky, measuring over 10mm and weighing over 225 grams
  • Brightness could have been better for direct sunlight use
  • There are still at least a dozen unnecessary apps pre-installed, though most of them can be uninstalled
Expert Reviews
  1. The Poco X3 is an outstanding smartphone with a great specs sheet on a bargain price
    gsmarena.com in-depth Read Review »
  2. A pretty capable phone where the specs do translate to real-life usage
    techradar.com in-depth Read Review »
  3. Xiaomi’s Answer To The Budget-Conscious
    forbes.com in-depth Read Review »
  4. One of the best phones in India under Rs 20k
    bgr.in in-depth Read Review »
  5. The Xiaomi Poco X3 is one of the best budget smartphones you can buy
    androidauthority.com in-depth Read Review »
  6. This is the best Poco so far
    indianexpress.com in-depth Read Review »
  7. The Poco X3 make for a good smartphone to buy
    news18.com in-depth Read Review »
  8. Great performance
    indiatoday.in in-depth Read Review »
  9. fonearena.com in-depth Read Review »
  10. economictimes.indiatimes.com in-depth Read Review »
  11. zdnet.com in-depth Read Review »
  12. themobileindian.com in-depth Read Review »
  13. techpp.com in-depth Read Review »
  14. moneycontrol.com in-depth Read Review »
  15. financialexpress.com in-depth Read Review »
  16. neowin.net in-depth Read Review »
  17. firstpost.com in-depth Read Review »
  18. zeebiz.com in-depth Read Review »
User Reviews
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Official Website Official Website » Official Website »
Unofficial specs? N/A N/A
Individual Review 1
  • Individual Review 1
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