Quantum You 2 vs Xiaomi Redmi Note 9 (128GB/4GB)
Side by side comparison between Quantum You 2 vs Xiaomi Redmi Note 9 phones, differences, pros, cons and full specifications. What's the better?
,
5.5"
IPS
IPS
720x1440
13
MP
MP
8mp
1GB
RAM
RAM
Quad-core
3000
mAh
mAh
(Removable)
vs
6.53"
IPS
IPS
1080x2340
48
MP
MP
13mp
4GB
RAM
RAM
Octa-core
5020
mAh
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!
21 Common items in both devices |
Plastic body, glass front |
TFT IPS LCD |
60Hz |
16 million |
Only digital zoom |
Autofocus / PDAF: phase detection autofocus |
EIS: Digital stabilization |
+14 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
Quantum You 2 | Redmi Note 9 (128GB/4GB) | |
Change model | ||
Model | You 2 | Redmi Note 9 (128GB/4GB) |
Other model names | Positivo Quantum You 2 QE83 (Android Go) | Mi Redmi Note 9 CX296VRD, CX296CIN, M2003J15SS/2003J15SC |
Country or region available | Brazil | Brazil, China, India |
Brand | Quantum | Xiaomi |
Release date | 7/1/2018 | 5/12/2020, Announced: 4/30/2020 |
Depth | 10 millimeters (0.39 inches) | 8.9 millimeters (0.35 inches) |
Size (width x height) | 72 x 148 millimeters (2.83 x 5.83 in) | 77.2 x 162.3 millimeters (3.04 x 6.39 in) |
Weight | 150 grams (5.25 ounces) | 199 grams (6.97 ounces) |
Build, materials | Plastic body, glass front | Plastic body, glass front |
Protection against water and others | Not supported | Water repellent nano-coating (don't immerse) |
📲 Display | ||
Quantum You 2 | Redmi Note 9 (128GB/4GB) | |
Display type | TFT IPS LCD | TFT IPS LCD |
Screen size | 5.5" inches | 6.53" inches |
Screen-to-body ratio | ~73.3% (screen-to-body ratio) | ~83.5% (screen-to-body ratio) |
Display resolution | 720x1440 pixels (18:9) | 1080x2340 pixels (19.5:9) |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
Pixel density (dot pitch) | 293 PPI | 395 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Not supported | Gorilla Glass 5 |
Refresh rate | 60Hz | 60Hz |
Display features | 2.5D glass | 450nits[typ] |
🤖 Operating System | ||
Quantum You 2 | Redmi Note 9 (128GB/4GB) | |
System version | Android 8.1 Oreo | Android 10 |
Firmware update | feature not registered | Android 11 |
User Interface | Android Go Edition | MIUI 11 / 12 |
⚙️ Processor | ||
Quantum You 2 | Redmi Note 9 (128GB/4GB) | |
Chipset | 64bit: MediaTek MT6737 (28nm) | 64bit: MediaTek Helio G85 (12nm) |
CPU | Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A53 (Quad-core) | Octa-core, 2 processors: 2x 2GHz ARM-Cortex-A75 (Dual-core) 6x 1.8GHz ARM-Cortex-A55 (Hexa-core) |
GPU graphical controller | ARM Mali-T720 MP1 650Mhz | ARM Mali-G52 MC2 (1GHz) |
Performance (benchmark) | feature not registered | AnTuTu: 200451 (v8) Geekbench: 1292 (v5.1) |
💽 Memory and storage | ||
Quantum You 2 | Redmi Note 9 (128GB/4GB) | |
RAM memory | 1GB LPDDR3 | 4GB LPDDR4X |
Internal storage | 16GB (11GB available) eMMC 5.0 | 128GB (106GB available) eMMC 5.1 |
External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
Quantum You 2 | Redmi Note 9 (128GB/4GB) | |
Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
Maximum Download / Upload | 150/50 Mbps | 300/150 Mbps |
Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
Frequency, bands | Expand band details Collapse details | |
GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Primary 3G network | UMTS 850/1900/2100 | UMTS 850/900/1700/1900/2100 |
Primary 4G network | LTE Cat4 (1, 3, 4, 7, 28) | LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE |
Primary 5G network | Not supported | Not supported |
Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Secondary 3G network | UMTS 850/1900/2100 | UMTS 850/900/1700/1900/2100 |
Secondary 4G network | Not supported | LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE |
Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
Quantum You 2 | Redmi Note 9 (128GB/4GB) | |
Back camera (main camera) | 13 megapixels | (quad camera) 48 megapixels 8MP ultrawide f/2.213mm1/4"1.12µm118° 2MP macro f/2.41.75µmAF 2MP depth f/2.41/5"1.7µm |
Main camera resolution | 4128x3096 pixels | 8000x6000 pixels |
Video recording (primary) | HD (1280x720) 30 fps | Full HD (1920x1080) 30 fps |
Flash | LED flash on both cameras | LED flash |
Focal aperture | feature not registered | f/1.8 (aperture) |
Focal length | feature not registered | 26mm lens |
Sensor size | feature not registered | 1/2" inches |
Pixel size | feature not registered | 0.8µm pixel |
Autofocus | Autofocus | PDAF: phase detection autofocus |
Touch focus | Supported | Supported |
Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
Zoom | Only digital zoom | Only digital zoom |
Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
BSI sensor | Not supported | Supported |
HDR | HDR photo only main camera | HDR photo on both cameras |
Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
Quantum You 2 | Redmi Note 9 (128GB/4GB) | |
Front camera (secondary) | 8 megapixels | 13 megapixels |
Front camera resolution | 3264x2448 pixels | 4128x3096 pixels |
Video recording (secondary) | HD (1280x720) | Full HD (1920x1080) |
Front flash | LED | Not supported |
Focal aperture | feature not registered | f/2.3 (aperture) |
Focal length | feature not registered | 29mm lens |
Sensor size | feature not registered | 1/3.06" inches |
Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
Quantum You 2 | Redmi Note 9 (128GB/4GB) | |
Loudspeaker | Mono sound (not stereo) | Mono sound (not stereo) |
Active noise cancellation | Not supported | 2 microphones or more |
Radio | FM | FM |
TV | Not supported | Not supported |
Video formats | MP4, H.264, H.263, XviD | MP4, H.265, H.264, H.263, XviD, MKV |
Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
Quantum You 2 | Redmi Note 9 (128GB/4GB) | |
USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
Audio output | 3.5mm jack | 3.5mm jack |
TV output | Not supported | USB Type-C (reversible) |
Bluetooth | 4.0 + A2DP | 5.0 + A2DP/LE |
WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
DLNA | Not supported | Not supported |
GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
NFC | Not supported | Not supported |
Infrared port | Not supported | Supported |
🧭 Sensors | ||
Quantum You 2 | Redmi Note 9 (128GB/4GB) | |
Sensors | Accelerometer Ambient light sensor Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
Quantum You 2 | Redmi Note 9 (128GB/4GB) | |
Battery type | LiPo: li-ion polymer (Removable) | LiPo: li-ion polymer (Non removable) |
Battery capacity | 3000 mAh | 5020 mAh |
Charger, watts | 5W Wired charging | 18W Wired fast charging 9W Reverse charging by cable |
Inductive / wireless charging | Not supported | Not supported |
Talk time autonomy | feature not registered | 33 hours (1.4 days) |
Standby | feature not registered | feature not registered |
➕ Other features | ||
Quantum You 2 | Redmi Note 9 (128GB/4GB) | |
Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
Hands-free calling | Supported | Supported |
Video calling | Supported | Supported |
Ringtones | Polyphonic and customized | Polyphonic and customized |
Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
Antenna | Internal antenna | Internal antenna |
Qwerty physical keyboard | Not supported | Not supported |
Miscellaneous | • Colors: Black, Red, Gold • Screen protector included | • Colors: Forest Green, Midnight Grey, Polar White • 22.5W charger (18W phone support) |
☢️ Radiation rate | ||
Quantum You 2 | Redmi Note 9 (128GB/4GB) | |
SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.84W/kg (head), 0.9W/kg (body) |
SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.8W/kg (head), 1.14W/kg (body) |