Samsung Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) vs Xiaomi Redmi Note 3 (16GB)
Side by side comparison between Samsung Galaxy A9 (2018) vs Xiaomi Redmi Note 3 phones, differences, pros, cons and full specifications. What's the better?
,
6.3"
AMOLED
AMOLED
1080x2220
24
MP
MP
24mp
6GB
RAM
RAM
Octa-core
3800
mAh
mAh
(Non removable)
vs
5.5"
IPS
IPS
1080x1920
16
MP
MP
5mp
2GB
RAM
RAM
Hexa-core
4050
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy A9 2018 (SM-A920F/DS 128GB/6GB)
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!
24 Advantages 
4 Advantages | 25 Common items in both devices |
| Aluminum body, glass front |
| 16 million |
| PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| (front) Full HD (1920x1080) |
| 4G LTE-A / 4G LTE |
| Capacitive |
| +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 | ||
| Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | Redmi Note 3 (16GB) | |
| Model | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | Redmi Note 3 (16GB) |
| Other model names | Galaxy A9 SM-A920F/Dual-Sim (6GB RAM), SM-A920FZBJZTO | Redmi Note 3 Pro (Qualcomm), Xiaomi Hongmi Note 3 (2015112) |
| Country or region available |     (Europe), Brazil, India, Malaysia |  (Global, International) |
| Brand | Samsung | Xiaomi |
| Release date | 10/11/2018 | 1/1/2016 |
| Depth | 7.8 millimeters (0.31 inches) | 8.7 millimeters (0.34 inches) |
| Size (width x height) | 77 x 162.5 millimeters (3.03 x 6.4 in) | 76 x 150 millimeters (2.99 x 5.91 in) |
| Weight | 183 grams (6.41 ounces) | 164 grams (5.74 ounces) |
| Build, materials | Aluminum body, glass front | Aluminum body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | Redmi Note 3 (16GB) | |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 6.3" inches | 5.5" inches |
| Screen-to-body ratio | ~80.5% (screen-to-body ratio) | ~73.2% (screen-to-body ratio) |
| Display resolution | 1080x2220 pixels (18.5:9) | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 392 PPI | 401 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | Redmi Note 3 (16GB) | |
| System version | Android 8.0 Oreo | Android 5.1.1 Lollipop |
| Firmware update | Android 9.0 Pie | Android 6.0.1 Marshmallow |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | Redmi Note 3 (16GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 660 SDM660 (14nm) | 64bit: Qualcomm Snapdragon 650 MSM8956 (28nm) |
| CPU | Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) | Hexa-core, 2 processors: 2x 1.8GHz ARM Cortex-A72 (Dual-core) 4x 1.4GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 512 650Mhz | Qualcomm Adreno 510 600Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | Redmi Note 3 (16GB) | |
| RAM memory | 6GB LPDDR4X | 2GB LPDDR3 |
| Internal storage | 128GB (110GB available) eMMC 5.1 | 16GB (10GB available) eMMC 4.5 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 128GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | Redmi Note 3 (16GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF) |
| Maximum Download / Upload | 450/50 Mbps | 150/50 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 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | 2015112 version: TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 2015116 version: UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat9 (1, 3, 5, 7, 8, 20) TD-LTE (38, 40) | LTE Cat4 2015112 version: LTE (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 38, 39, 40, 41) 2015116 version: LTE (Bands 1, 3, 5, 7, 20, 28) TD-LTE (Bands 38, 39, 40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
📷 Camera | ||
| Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | Redmi Note 3 (16GB) | |
| Back camera (main camera) | (quad camera) 24 megapixels 10MP telephoto f/2.452mm1/3.9"1.0µmAF2x-optical-zoom 8MP ultrawide f/2.412mm1/4.0"1.12µm 5MP depth f/2.2 | 16 megapixels |
| Main camera resolution | 5656x4240 pixels | 4608x3456 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/1.7 (aperture) | f/2.0 (aperture) |
| Focal length | 27mm (lens) | feature not registered |
| Sensor size | 1/2.8" inches | feature not registered |
| Pixel size | 0.9µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | Redmi Note 3 (16GB) | |
| Front camera (secondary) | 24 megapixels | 5 megapixels |
| Front camera resolution | 5656x4240 pixels | 2592x1944 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | 27mm (lens) | feature not registered |
| Sensor size | 1/2.8" inches | feature not registered |
| Pixel size | 0.9µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | Redmi Note 3 (16GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | Redmi Note 3 (16GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.1 + 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 | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | Redmi Note 3 (16GB) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | Redmi Note 3 (16GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3800 mAh | 4050 mAh |
| Charger, watts | 18W Wired fast charging | 10W Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 26 hours (1.1 days) |
| Standby | feature not registered | 264 hours (11 days) |
➕ Other features | ||
| Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | Redmi Note 3 (16GB) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder |
| 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: Caviar Black, Lemonade Blue, Bubblegum Pink • Samsung Pay • Dolby Atmos | • Colors: Silver, Gray, Gold • Xiaomi MIUI 7.0 |
☢️ Radiation rate | ||
| Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | Redmi Note 3 (16GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.27W/kg (head), 0.84W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |