Xiaomi Redmi Note 9 (128GB/4GB) vs Samsung Galaxy Note 3 Duos (SM-N9002)
Side by side comparison between Xiaomi Redmi Note 9 vs Samsung Galaxy Note 3 phones, differences, pros, cons and full specifications. What's the better?
,
6.53"
IPS
IPS
1080x2340
48
MP
MP
13mp
4GB
RAM
RAM
Octa-core
5020
mAh
mAh
(Non removable)
vs
5.7"
AMOLED
AMOLED
1080x1920
13
MP
MP
2.1mp
3GB
RAM
RAM
Quad-core
3200
mAh
mAh
(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!
23 Advantages 
12 Advantages | 25 Common items in both devices |
| Plastic body, glass front |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| EIS: Digital stabilization |
| BSI sensor |
| +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 differences Clear highlight📱 Model features | ||
| Redmi Note 9 (128GB/4GB) | Galaxy Note 3 Duos (SM-N9002) | |
| Model | Redmi Note 9 (128GB/4GB) | Galaxy Note 3 Duos (SM-N9002) |
| Other model names | Mi Redmi Note 9 CX296VRD, CX296CIN, M2003J15SS/2003J15SC | Samsung Galaxy Note 3 N9002 (Dual-sim) |
| Country or region available |    Brazil, China, India | feature not registered |
| Brand | Xiaomi | Samsung |
| Release date | 5/12/2020, Announced: 4/30/2020 | 9/4/2013 |
| Depth | 8.9 millimeters (0.35 inches) | 8.3 millimeters (0.33 inches) |
| Size (width x height) | 77.2 x 162.3 millimeters (3.04 x 6.39 in) | 79.2 x 151.2 millimeters (3.12 x 5.95 in) |
| Weight | 199 grams (6.97 ounces) | 168 grams (5.88 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Water repellent nano-coating (don't immerse) | Not supported |
📲 Display | ||
| Redmi Note 9 (128GB/4GB) | Galaxy Note 3 Duos (SM-N9002) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 6.53" inches | 5.7" inches |
| Screen-to-body ratio | ~83.5% (screen-to-body ratio) | ~74.8% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 395 PPI | 386 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass 3 |
| Refresh rate | 60Hz | feature not registered |
| Display features | 450nits[typ] | feature not registered |
🤖 Operating System | ||
| Redmi Note 9 (128GB/4GB) | Galaxy Note 3 Duos (SM-N9002) | |
| System version | Android 10 | Android 4.3 Jelly Bean |
| Firmware update | Android 11 | Android 5.0 Lollipop |
| User Interface | MIUI 11 / 12 | feature not registered |
⚙️ Processor | ||
| Redmi Note 9 (128GB/4GB) | Galaxy Note 3 Duos (SM-N9002) | |
| Chipset | 64bit: MediaTek Helio G85 (12nm) | 32bit: Qualcomm Snapdragon 800 MSM8974 (28nm) |
| CPU | Octa-core, 2 processors: 2x 2GHz ARM-Cortex-A75 (Dual-core) 6x 1.8GHz ARM-Cortex-A55 (Hexa-core) | Quad-core, 1 processor: 4x 2.3GHz Krait 400 (Quad-core) |
| GPU graphical controller | ARM Mali-G52 MC2 (1GHz) | Qualcomm Adreno 330 |
| Performance (benchmark) | AnTuTu: 200451 (v8) Geekbench: 1292 (v5.1) | feature not registered |
💽 Memory and storage | ||
| Redmi Note 9 (128GB/4GB) | Galaxy Note 3 Duos (SM-N9002) | |
| RAM memory | 4GB LPDDR4X | 3GB LPDDR3 |
| Internal storage | 128GB (106GB available) eMMC 5.1 | 16GB (12GB available) eMMC 4.5 |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Redmi Note 9 (128GB/4GB) | Galaxy Note 3 Duos (SM-N9002) | |
| 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) nano-SIM (4FF) | 2 slots (Dual-SIM) micro-SIM (3FF) and standard SIM (2FF) |
| Maximum Download / Upload | 300/150 Mbps | 42/5.76 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G |
| 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 850/900/1700/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE |
📷 Camera | ||
| Redmi Note 9 (128GB/4GB) | Galaxy Note 3 Duos (SM-N9002) | |
| Back camera (main camera) | (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 | 13 megapixels |
| Main camera resolution | 8000x6000 pixels | 4128x3096 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/2.2 (aperture) |
| Focal length | 26mm (lens) | 31mm (lens) |
| Sensor size | 1/2" inches | 1/3.1" inches |
| Pixel size | 0.8µm pixel | 1.12µm pixel |
| Autofocus | PDAF: phase detection autofocus | 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 | Supported | Supported |
| HDR | HDR photo on both cameras | HDR photo/video only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Redmi Note 9 (128GB/4GB) | Galaxy Note 3 Duos (SM-N9002) | |
| Front camera (secondary) | 13 megapixels | 2.1 megapixels |
| Front camera resolution | 4128x3096 pixels | 1920x1080 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.3 (aperture) | f/2.4 (aperture) |
| Focal length | 29mm (lens) | 27mm (lens) |
| Sensor size | 1/3.06" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Redmi Note 9 (128GB/4GB) | Galaxy Note 3 Duos (SM-N9002) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, DivX, XviD, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+, AC3, FLAC |
🔌 Connectivity | ||
| Redmi Note 9 (128GB/4GB) | Galaxy Note 3 Duos (SM-N9002) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 3.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | Micro-B USB MHL-2 |
| Bluetooth | 5.0 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Supported | Supported |
🧭 Sensors | ||
| Redmi Note 9 (128GB/4GB) | Galaxy Note 3 Duos (SM-N9002) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor ANT+ Barometer Compass Gesture Gyroscope Humidity Proximity sensor Temperature |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi Note 9 (128GB/4GB) | Galaxy Note 3 Duos (SM-N9002) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 5020 mAh | 3200 mAh |
| Charger, watts | 18W Wired fast charging 9W Reverse charging by cable | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | 33 hours (1.4 days) | 21 hours |
| Standby | feature not registered | 420 hours (17.5 days) |
➕ Other features | ||
| Redmi Note 9 (128GB/4GB) | Galaxy Note 3 Duos (SM-N9002) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (Swype), 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: Forest Green, Midnight Grey, Polar White • 22.5W charger (18W phone support) | • Colors: Black, White, Pink • Samsung TouchWiz UX • Dual Shot camera • S-Voice • Dropbox 50GB • Java framework |
☢️ Radiation rate | ||
| Redmi Note 9 (128GB/4GB) | Galaxy Note 3 Duos (SM-N9002) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.84W/kg (head), 0.9W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.8W/kg (head), 1.14W/kg (body) | 0.29W/kg (head), 0.36W/kg (body) |