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Quantum You vs Xiaomi Redmi Note 9 (128GB/4GB)

Side by side comparison between Quantum You vs Xiaomi Redmi Note 9 phones, differences, pros, cons with full specifications. What's the better?

,
Quantum You
5"
IPS

720x1280

13
MP

13mp

3GB
RAM

64bit Quad

2500
mAh

(Removable)

vs
21PointsXiaomi Redmi Note 9 (128GB/4GB)Compare Quantum You X
Xiaomi Redmi Note 9 (128GB/4GB)
6.53"
IPS

1080x2340

48
MP

13mp

4GB
RAM

64bit Octa

5020
mAh

(Non removable)

What's the better phone? Xiaomi Redmi Note 9 (128GB/4GB)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

You4 Advantages Quantum YouvsRedmi Note 9 (128GB/4GB)21 Advantages Xiaomi Redmi Note 9 (128GB/4GB)
+138 grams (4.83 ounces)44%
Lighter
vs199 grams (6.97 ounces)
+8.5 millimeters (0.33 inches)5%
Thinner
vs8.9 millimeters (0.35 inches)
+LED flash on both camerasAdvantage
The LED flash on both cameras helps in dark places or in low light
vsLED flash
+LiPo: Li-Ion polymer (Removable)Advantage
Removable battery can be replaced easily
vsLiPo: Li-Ion polymer (Non removable)
1.25Ghz 64bit Quad-Corevs+2Ghz 64bit Octa-Core117%
More powerful processor, you can open your applications faster
3GB LPDDR3vs+4GB LPDDR4X33%
More RAM memory. Typically more responsive and better for multitasking.
32GB (24GB available)vs+128GB (106GB available)3 times
More internal storage for applications and files
Until 256GB microSD, microSDXCvs+Until 512GB microSD, microSDXC100%
More external storage for files using memory cards
720x1280 pixelsvs+1080x2340 pixels174%
Higher resolution screen
294 PPIvs+395 PPI34%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
5"vs+6.53"31%
Larger screen
(back) 13MPvs+(quad camera) 48MP + 8MP + 2MP + 2MP4 times
Higher resolution main camera
HDR photo only main cameravs+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
f/2.2 (aperture)vs+f/1.8 (aperture)22%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
Android 7.0 Nougatvs+Android 10Advantage
Android 10 is newer and safer
(4G LTE) 150 Mbpsvs+(4G+ LTE-A) 800 Mbps4 times
Faster for surfing the internet and download files
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
2500 mAhvs+5020 mAh101%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+Active noise cancellationAdvantage
Noise-canceling microphone allows better call quality
802.11 b/g/n (2.4Ghz)vs+802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMOAdvantage
WiFi 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO is newer and faster
4.0 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0vs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supportedvs+Gorilla Glass 5Advantage
Protection against scratches on the screen lets you carry your phone with your keys
Not supportedvs+Water repellent nano-coating (don't immerse)Advantage
Protection against water allows you talk to your friends in the rain, for example

25 Common items in both devices
TFT IPS LCD
16 million
Only digital zoom
Autofocus / PDAF: phase detection autofocus
EIS: Digital stabilization
(front) 13MP
Full HD (1920x1080)
+18 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differencesClear highlight
Physical featuresQuantum YouXiaomi Redmi Note 9 (128GB/4GB)
ModelYouRedmi Note 9 (128GB/4GB)
Other model namesPositivo Quantum YOU 3GB RAM, Q17(YOU)Xiaomi Redmi Note 9 CX296VRD, CX296CIN, M2003J15SS/2003J15SC
Country or region availableBrazil
Brazil
BrazilChinaIndia
Brazil, China, India
BrandQuantumXiaomi
Release dateMay, 2017April, 2020
Depth8.5 millimeters (0.33 inches)8.9 millimeters (0.35 inches)
Size (width x height)71.7 x 145 millimeters (2.82 x 5.71 in)77.2 x 162.3 millimeters (3.04 x 6.39 in)
Weight138 grams (4.83 ounces)199 grams (6.97 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsfeature not registeredPlastic body, glass front
Protection against water and othersNot supportedWater repellent nano-coating (don't immerse)
System (OS)Quantum YouXiaomi Redmi Note 9 (128GB/4GB)
Operating systemAndroid 7.0 NougatAndroid 10
Firmware updatefeature not registeredfeature not registered
HardwareQuantum YouXiaomi Redmi Note 9 (128GB/4GB)
Chipset64bit - MediaTek MT6737 (28nm)64bit - MediaTek Helio G85 (12nm)
CPU processor1.25Ghz Quad-Core ARM Cortex-A53Octa-Core, 2 processors:
2Ghz Dual-Core ARM-Cortex-A75
1.8Ghz Hexa-Core ARM-Cortex-A55
GPU graphical controllerARM Mali-T720 MP2 550MhzARM Mali-G52 MC2 1Ghz
RAM memory3GB LPDDR34GB LPDDR4X
Internal storage32GB (24GB available)128GB (106GB available)
eMMC 5.1
External storageUntil 256GB microSD, microSDXC
(dedicated slot)
Until 512GB microSD, microSDXC
(dedicated slot)
DisplayQuantum YouXiaomi Redmi Note 9 (128GB/4GB)
Display typeTFT IPS LCDTFT IPS LCD
Screen size5" inches6.53" inches
Screen-to-body ratio~66.3% (screen-to-body ratio)~83.5% (screen-to-body ratio)
Display resolution720x1280 pixels1080x2340 pixels (19.5:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)294 PPI395 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedGorilla Glass 5
Display featuresfeature not registered60Hz, 450 nits
Mobile networksQuantum YouXiaomi Redmi Note 9 (128GB/4GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
micro-SIM (3FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload150/50 Mbps800/150 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat4 700/1800/2600 (Bands 3,7,28)LTE Cat15/13 (Bands 1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (Bands 38, 40, 41)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE
CallingQuantum YouXiaomi Redmi Note 9 (128GB/4GB)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder, Voice commands
CameraQuantum YouXiaomi Redmi Note 9 (128GB/4GB)
Back camera (main camera)13 megapixels(quad camera)
48 megapixels
8MP ultrawidef/2.213mm1/4"1.12µm118º
2MP macrof/2.41.75µmAF
2MP depthf/2.41/5"1.7µm
Main camera resolution4128x3096 pixels8000x6000 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flash on both camerasLED flash
Focal aperturef/2.2 (aperture)f/1.8 (aperture)
Focal lengthfeature not registered26mm lens
Sensor sizefeature not registered1/2" inches
Pixel sizefeature not registered0.8µm pixel
AutofocusAutofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo only main cameraHDR photo on both cameras
2ª cameraQuantum YouXiaomi Redmi Note 9 (128GB/4GB)
Front camera (secondary)13 megapixels13 megapixels
Front camera resolution4128x3096 pixels4128x3096 pixels
Video recording (secondary)Full HD (1920x1080)Full HD (1920x1080)
Front flashLEDNot supported
Focal aperturefeature not registeredf/2.3 (aperture)
Focal lengthfeature not registered29mm lens
Sensor sizefeature not registered1/3.06" inches
Pixel sizefeature not registered1.12µm pixel
MultimediaQuantum YouXiaomi Redmi Note 9 (128GB/4GB)
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.264, H.263MP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
ConnectivityQuantum YouXiaomi Redmi Note 9 (128GB/4GB)
USBMicroUSB 2.0USB 2.0 Type-C, USB OTG On-The-Go
TV outputNot supportedNot supported
Audio output3.5mm jack3.5mm jack
Bluetooth4.0 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g/n (2.4Ghz)802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
DLNANot supportedNot supported
NFCNot supportedNot supported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
Infrared portNot supportedSupported
Other functionsQuantum YouXiaomi Redmi Note 9 (128GB/4GB)
Active noise cancellationNot supportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Fingerprint sensor
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Face unlock
Fingerprint sensor (rear-mounted)
Other features- Colors: Black/Blue, White/Pink
- 2.5D glass screen
- Metal back panel
- WiFi direct, hotspot
- Colors: Forest Green, Midnight Grey, Polar White
- MIUI 11
- 22.5W charger (18W phone support)
- WiFi direct, hotspot
Power supplyQuantum YouXiaomi Redmi Note 9 (128GB/4GB)
BatteryLiPo: Li-Ion polymer (Removable)
BT-Q17
LiPo: Li-Ion polymer (Non removable)
Battery capacity2500 mAh5020 mAh
Charger, watts Standard charging18W Fast battery charging
9W Reverse charging USB between devices
Talk time autonomy720 minutes | 12 hours | 0.5 day1980 minutes | 33 hours | 1.4 days
Standbyfeature not registeredfeature not registered
Radiation rateQuantum YouXiaomi Redmi Note 9 (128GB/4GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.84W/kg (head) | 0.9W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered0.8W/kg (head) | 1.14W/kg (body)
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