Xiaomi Redmi Note 9 (128GB Global) vs Samsung Galaxy A02 (SM-A022M 64GB)
Side by side comparison between Xiaomi Redmi Note 9 vs Samsung Galaxy A02 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
6.5"
PLS
PLS
720x1600
13
MP
MP
5mp
3GB
RAM
RAM
Quad-core
5000
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Redmi Note 9 (128GB Global)
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!
27 Advantages 
1 Advantage | 23 Common items in both devices |
| eMMC 5.1 |
| Until 512GB microSD, microSDXC / Until 1TB microSD, microSDXC |
| Plastic body, glass front |
| 60Hz |
| 16 million |
| LED flash |
| Only digital zoom |
| +16 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 Global) | Galaxy A02 (SM-A022M 64GB) | |
| Model | Redmi Note 9 (128GB Global) | Galaxy A02 (SM-A022M 64GB) |
| Other model names | Mi Redmi Note 9 M2003J15SG Global version (NFC) | Galaxy A02 SM-A022M Single-SIM (64GB + 3GB RAM) |
| Country or region available |  (Global, International) |   (Latin America), Argentina |
| Brand | Xiaomi | Samsung |
| Release date | 5/12/2020, Announced: 4/30/2020 | 1/27/2021 |
| Depth | 8.9 millimeters (0.35 inches) | 9.1 millimeters (0.36 inches) |
| Size (width x height) | 77.2 x 162.3 millimeters (3.04 x 6.39 in) | 75.9 x 164 millimeters (2.99 x 6.46 in) |
| Weight | 199 grams (6.97 ounces) | 206 grams (7.21 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 Global) | Galaxy A02 (SM-A022M 64GB) | |
| Display type | TFT IPS LCD | TFT PLS |
| Screen size | 6.53" inches | 6.5" inches |
| Screen-to-body ratio | ~83.5% (screen-to-body ratio) | ~81.9% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 720x1600 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 395 PPI | 270 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | 60Hz | 60Hz |
| Display features | 450nits[typ] | Not supported |
🤖 Operating System | ||
| Redmi Note 9 (128GB Global) | Galaxy A02 (SM-A022M 64GB) | |
| System version | Android 10 | Android 10 |
| Firmware update | Android 11 | feature not registered |
| User Interface | MIUI 11 / 12 | feature not registered |
⚙️ Processor | ||
| Redmi Note 9 (128GB Global) | Galaxy A02 (SM-A022M 64GB) | |
| Chipset | 64bit: MediaTek Helio G85 (12nm) | 64bit: MediaTek MT6739 (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 1.5GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | ARM Mali-G52 MC2 (1GHz) | PowerVR GE8100 MP1 (570MHz) |
| Performance (benchmark) | AnTuTu: 200451 (v8) Geekbench: 1292 (v5.1) | feature not registered |
💽 Memory and storage | ||
| Redmi Note 9 (128GB Global) | Galaxy A02 (SM-A022M 64GB) | |
| RAM memory | 4GB LPDDR4X | 3GB LPDDR3 |
| Internal storage | 128GB (106GB available) eMMC 5.1 | 64GB (50GB available) eMMC 5.1 |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Redmi Note 9 (128GB Global) | Galaxy A02 (SM-A022M 64GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 300/150 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 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE | LTE Cat4 (1, 2, 3, 4, 5, 7, 8, 12, 17, 28, 66) VoLTE |
| 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+, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| 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 | Not supported |
📷 Camera | ||
| Redmi Note 9 (128GB Global) | Galaxy A02 (SM-A022M 64GB) | |
| 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 | (dual camera) 13 megapixels 2MP macro f/2.4 |
| Main camera resolution | 8000x6000 pixels | 4128x3096 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.9 (aperture) |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/2" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
| 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 | Not supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Redmi Note 9 (128GB Global) | Galaxy A02 (SM-A022M 64GB) | |
| Front camera (secondary) | 13 megapixels | 5 megapixels |
| Front camera resolution | 4128x3096 pixels | 2560x1920 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.3 (aperture) | f/2.0 (aperture) |
| Focal length | 29mm lens | feature not registered |
| Sensor size | 1/3.06" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Redmi Note 9 (128GB Global) | Galaxy A02 (SM-A022M 64GB) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM | FM |
| 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, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Redmi Note 9 (128GB Global) | Galaxy A02 (SM-A022M 64GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 5.1 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Not supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Redmi Note 9 (128GB Global) | Galaxy A02 (SM-A022M 64GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer Face unlock Virtual proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi Note 9 (128GB Global) | Galaxy A02 (SM-A022M 64GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5020 mAh | 5000 mAh |
| Charger, watts | 18W Wired fast charging 9W Reverse charging by cable | 10W Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 33 hours (1.4 days) | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Redmi Note 9 (128GB Global) | Galaxy A02 (SM-A022M 64GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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: Forest Green, Midnight Grey, Polar White • 22.5W charger (18W phone support) | • Colors: Black, Blue, Red • One UI 2.0 • Mono sound (not stereo) |
☢️ Radiation rate | ||
| Redmi Note 9 (128GB Global) | Galaxy A02 (SM-A022M 64GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.84W/kg (head), 0.9W/kg (body) | 0.53W/kg (head), 0.74W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.8W/kg (head), 1.14W/kg (body) | feature not registered |