OnePlus 9 Pro (256GB/12GB) vs Samsung Galaxy Ace Duos (SCH-i589)
Side by side comparison between OnePlus 9 Pro vs Samsung Galaxy Ace Duos phones, differences, pros, cons and full specifications. What's the better?
,
6.7"
AMOLED
AMOLED
1440x3216
48
MP
MP
16mp
12GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
vs
3.5"
TFT
TFT
320x480
3.1
MP
MP
256MB
RAM
RAM
Single-core
1650
mAh
mAh
(Removable)
What's the better phone? OnePlus 9 Pro (256GB/12GB)
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!
32 Advantages 
5 Advantages | 9 Common items in both devices |
| Only digital zoom |
| LDAF/PDAF: laser/phase detection autofocus / Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Compass |
| Proximity sensor |
| +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 | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy Ace Duos (SCH-i589) | |
| Model | OnePlus 9 Pro (256GB/12GB) | Galaxy Ace Duos (SCH-i589) |
| Other model names | OnePlus 9 Pro LE2123 (Global), LE2121 (India), LE2120(China) | Samsung Galaxy Ace Duos i589 CDMA |
| Country or region available |  (Global, International) |   (Global, International), China, India |
| Brand | OnePlus | Samsung |
| Release date | 3/30/2021, Announced: 3/23/2021 | 2/1/2012 |
| Depth | 8.7 millimeters (0.34 inches) | 12.5 millimeters (0.49 inches) |
| Size (width x height) | 73.6 x 163.2 millimeters (2.9 x 6.43 in) | 59.9 x 112.4 millimeters (2.36 x 4.43 in) |
| Weight | 197 grams (6.9 ounces) | 125 grams (4.38 ounces) |
| Build, materials | Aluminum frame, glass front/back | feature not registered |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy Ace Duos (SCH-i589) | |
| Display type | Fluid AMOLED | TFT LCD |
| Screen size | 6.7" inches | 3.5" inches |
| Screen-to-body ratio | ~89.9% (screen-to-body ratio) | ~54.2% (screen-to-body ratio) |
| Display resolution | 1440x3216 pixels (20:9) | 320x480 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 526 PPI | 165 PPI |
| Colors | 1 billion | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | 120Hz | feature not registered |
| Display features | 1300nits[peak] HDR10+ Always-On Display | feature not registered |
🤖 Operating System | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy Ace Duos (SCH-i589) | |
| System version | Android 11 | Android 2.2.1 Froyo |
| Firmware update | Android 13 | Android 2.3.6 Gingerbread |
| User Interface | OxygenOS 12 / 13 (Global) ColorOS 12 / 13 (China) | feature not registered |
⚙️ Processor | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy Ace Duos (SCH-i589) | |
| Chipset | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) | 32bit: Qualcomm MSM7627T |
| CPU | Octa-core, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core) | Single-core, 1 processor: 1x 800MHz ARM1136EJ-S (Single-core) |
| GPU graphical controller | Qualcomm Adreno 660 (840MHz) | feature not registered |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy Ace Duos (SCH-i589) | |
| RAM memory | 12GB LPDDR5 | 256MB |
| Internal storage | 256GB (220GB available) UFS 3.1 | 512MB (158MB available) |
| External storage | Not supported | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy Ace Duos (SCH-i589) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 3.1 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Dual-Band 900/1800 |
| Primary 2G network | CDMA 800 (China), GSM 850/900/1800/1900 | CDMA 800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO (China) UMTS 800/850/900/1700/1800/1900/2100 | CDMA2000 1xEV-DO |
| Primary 4G network | LTE Cat20 VoLTE Global: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) India: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26) TD-LTE (34, 38, 39, 40, 41, 46) China: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26) TD-LTE (34, 38, 39, 40, 41) | Not supported |
| Primary 5G network | SA/NSA Global: (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 78) India: (41, 78) China: (1, 3, 28, 41, 78, 79) | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 900/1800 |
| Secondary 3G network | UMTS 800/850/900/1700/1800/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat20 VoLTE Global: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) India: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26) TD-LTE (34, 38, 39, 40, 41, 46) China: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26) TD-LTE (34, 38, 39, 40, 41) | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS |
📷 Camera | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy Ace Duos (SCH-i589) | |
| Back camera (main camera) | (quad camera) 48 megapixels 8MP telephoto f/2.477mm1.0µmPDAFOIS3.3x-optical-zoom 50MP ultrawide f/2.214mm1/1.56"1.0µmAF 2MP monochrome f/2.4 | 3.1 megapixels |
| Main camera resolution | 8000x6000 pixels | 2048x1536 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 30 fps | QVGA (320x240) |
| Flash | Dual-LED flash | Not supported |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | 23mm lens | feature not registered |
| Sensor size | 1/1.43" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
| Autofocus | LDAF/PDAF: laser/phase detection autofocus | Autofocus |
| Touch focus | Supported | Not supported |
| Image stabilization | OIS: Optical stabilization | Not supported |
| 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/video on both cameras | Not supported |
| Camera extras | 4K@30/60/120fps 1080p@30/60/240fps Hasselblad Color Calibration Sony IMX689, IMX766. IMX471 sensor | feature not registered |
📸 Front camera | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy Ace Duos (SCH-i589) | |
| Front camera (secondary) | 16 megapixels | Not supported |
| Front camera resolution | 4608x3456 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.4 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3.06" inches | feature not registered |
| Pixel size | 1µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy Ace Duos (SCH-i589) | |
| Loudspeaker | Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy Ace Duos (SCH-i589) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.2 + A2DP/LE | 3.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, SBAS | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy Ace Duos (SCH-i589) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy Ace Duos (SCH-i589) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4500 mAh | 1650 mAh |
| Charger, watts | 65W (10V/6.5A) Wired fast charging USB Power Delivery 1.0 | Wired charging |
| Inductive / wireless charging | 50W Qi Wireless charging (Qi/WPC) | feature not registered |
| Talk time autonomy | feature not registered | 7 hours |
| Standby | feature not registered | 300 hours (12.5 days) |
➕ Other features | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy Ace Duos (SCH-i589) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (Swype), 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 | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Stellar Black, Morning Mist, Pine Green | • Colors: Black • 2GB microSD included • Samsung TouchWiz UI • Smile Shot/Panorama • WiFi hotspot • Java framework |
☢️ Radiation rate | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy Ace Duos (SCH-i589) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |