Xiaomi Redmi 9 Prime (128GB) vs Samsung Galaxy Watch Active 2 (Aluminum 44mm SM-R820)
Side by side comparison between Xiaomi Redmi 9 Prime vs Samsung Galaxy Watch Active 2 devices, differences, pros, cons and full specifications. What's the better?
,
6.53"
IPS
IPS
1080x2340
13
MP
MP
8mp
4GB
RAM
RAM
Octa-core
5020
mAh
mAh
(Non removable)
vs
1.4"
AMOLED
AMOLED
360x360
N/A
768MB
RAM
RAM
Dual-core
340
mAh
mAh
(Non removable)
What's the better device? Xiaomi Redmi 9 Prime (128GB)
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!
26 Advantages 
9 Advantages | 9 Common items in both devices |
| 16 million |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| LiPo: li-ion polymer (Non removable) / Li-Ion: lithium-ion (Non removable) |
| A-GPS, GeoTagging, GLONASS, BeiDou / A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| +2 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 9 Prime (128GB) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| Model | Redmi 9 Prime (128GB) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) |
| Other model names | Xiaomi Redmi 9 Prime (M2004J19PI) | Galaxy Watch Active2 SM-R820 (Bluetooth+WiFi Aluminium) |
| Country or region available |  India |  (Global, International) |
| Brand | Xiaomi | Samsung |
| Release date | 8/4/2020 | 9/1/2019 |
| Depth | 9.1 millimeters (0.36 inches) | 10.9 millimeters (0.43 inches) |
| Size (width x height) | 77.01 x 163.32 millimeters (3.03 x 6.43 in) | 44 x 44 millimeters (1.73 x 1.73 in) |
| Weight | 198 grams (6.93 ounces) | 30 grams (1.05 ounces) |
| Build, materials | Plastic body, glass front | Aluminum body, glass front |
| Protection against water and others | Water repellent nano-coating (don't immerse) | 5 ATM: 50 meters waterproof. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| Redmi 9 Prime (128GB) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 6.53" inches | 1.4" inches |
| Screen-to-body ratio | ~83.2% (screen-to-body ratio) | ~32.7% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 360x360 pixels (1:1) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 395 PPI | 364 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass DX+ |
| Refresh rate | 60Hz | feature not registered |
| Display features | 400nits[typ] | Not supported |
🤖 Operating System | ||
| Redmi 9 Prime (128GB) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| System version | Android 10 | Tizen 4.0 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Redmi 9 Prime (128GB) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| Chipset | 64bit: MediaTek Helio G80 (MT6769V/CU) (12nm) | 64bit: Samsung Exynos 9 Dual 9110 (10nm) |
| CPU | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A75 (Dual-core) 6x 1.8GHz ARM Cortex-A55 (Hexa-core) | Dual-core, 1 processor: 2x 1.15GHz ARM Cortex-A53 (Dual-core) |
| GPU graphical controller | ARM Mali-G52 MC2 (950MHz) | ARM Mali-T720 MP1 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Redmi 9 Prime (128GB) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| RAM memory | 4GB LPDDR4X | 768MB LPDDR3 |
| Internal storage | 128GB (106GB available) eMMC 5.1 | 4GB (1.39GB available) eMMC |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Redmi 9 Prime (128GB) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | Not supported |
| Maximum Download / Upload | 300/50 Mbps | feature not registered |
| Network technology | 2G, 3G, 4G | feature not registered |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Not supported |
| Primary 2G network | GSM 850/900/1800/1900 | Not supported |
| Primary 3G network | UMTS 850/900/1900/2100 | Not supported |
| Primary 4G network | LTE Cat6 (1, 3, 5, 8) TD-LTE (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 | Not supported |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Redmi 9 Prime (128GB) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| Back camera (main camera) | (quad camera) 13 megapixels 8MP ultrawide f/2.2118°1/4.0"1.12µm 5MP macro f/2.4 2MP depth f/2.4 | Not supported |
| Main camera resolution | 4128x3096 pixels | Not supported |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Not supported |
| Flash | LED flash | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | 28mm lens | feature not registered |
| Sensor size | 1/3.1" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Not supported |
| Touch focus | Supported | Not supported |
| Image stabilization | EIS: Digital stabilization | Not supported |
| Zoom | Only digital zoom | Not supported |
| Face/smile detection | Face detection, Smile detection | Not supported |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Redmi 9 Prime (128GB) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| Front camera (secondary) | 8 megapixels | Not supported |
| Front camera resolution | 3264x2448 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | 27mm lens | feature not registered |
| Sensor size | 1/4" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Redmi 9 Prime (128GB) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, OGG, eAAC+ |
🔌 Connectivity | ||
| Redmi 9 Prime (128GB) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | Not supported |
| Audio output | 3.5mm jack | Not supported |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 5.0 + 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) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Redmi 9 Prime (128GB) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Proximity sensor | Accelerometer Ambient light sensor Barometer Heart rate Pedometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi 9 Prime (128GB) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 5020 mAh | 340 mAh |
| Charger, watts | 18W Wired fast charging | Wired charging |
| Inductive / wireless charging | Not supported | Qi wireless charging |
| Talk time autonomy | 31 hours (1.3 days) | 60 hours (2.5 days) |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Redmi 9 Prime (128GB) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| 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 | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | Not supported |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Space Blue, Mint Green, Matte Black, Sunrise Flare • MIUI 11 • 10W charger included | • Colors: Black, Silver, Pink Gold • Bands: 20mm • Always-on display • Samsung Pay |
☢️ Radiation rate | ||
| Redmi 9 Prime (128GB) | Galaxy Watch Active 2 (Aluminum 44mm SM-R820) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.85W/kg (head), 0.42W/kg (body) | 0.17W/kg (head), 0.16W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.057W/kg (head), 0.153W/kg (body) |