Microsoft Surface Duo vs Oppo Reno9 A
| Type | Other | Touch |
| Waterproofness & dust-resistance |  | IP68 |
| Dimensions | 145.20 x 93.30 x 9.90 mm | 160.00 x 74.00 x 7.80 mm |
| Weight | 250.00 g | 183.00 g |
| Display size | 5.60" | 6.40" |
| Display | Color / AMOLED 16M colors 60 Hz 1350 x 1800 px (5.60") 402 ppi | Color / AMOLED 16M colors 90 Hz 1080 x 2400 px (6.40") 411 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
 |  |
| Additional display | Color / AMOLED 16M colors 1350 x 1800 px (5.60") | |
| Protection of the secondary display | Corning Gorilla Glass | |
| Talk time (max.) | 4G: 1620 min. (27.0 h) | |
| Stand-by (max.) | 4G: 240 h. (10.0 days) | |
| Playback time (max.) | Video: 15,5 h (0.6 days) | Audio: 39 h (1.6 days) Video: 20 h (0.8 days) |
| Standard battery | Li-Ion 3577 mAhBuy powerbank
| Li-Ion 4500 mAhBuy powerbank
|
| Quick battery charging | | USB Power Delivery 2.0 |
| Wireless battery charging | | |
| Internal memory | 128 GB, 256 GB | 128 GB |
| RAM memory | 6 GB | 8 GB |
| Memory cards | |  microSD, microSDHC, microSDXC up to 1000 GBBuy memory card |
| Operating system | Android 10 | Android 11 |
| Interface | - | ColorOS 12 |
| Processor | Qualcomm Snapdragon 855 | Qualcomm Snapdragon 695 SM6375 |
| Processor clock | 2840 MHz | 2200 MHz |
| GPU | Adreno 640 | Adreno 619 @840 MHz |
| Touchscreen | | |
| DualSIM | | |
| SIM cards standard | DualSIM(eSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) |
| DualSIM mode | dual standby | dual standby |
| Hybrid DualSIM | | nanoSIM, microSD |
| Announced | 3Q 2020 | 2Q 2023 |
| Other names | - | Reno 9 A; CPH2523 |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 1900 2100 | 850 900 1700 2100 |
| LTE standard | FDD LTE: 2600, 2300, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 5200, 2600, 2500, 2300, 1900 | FDD LTE: 2100, 1800, 1700, 900, 850, 700 TDD LTE: 3500, 2600, 2500, 2300 |
| Standard 5G | | FDD 5G: 1800, 700 TDD 5G: 3700, 3500, 2500 |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
| First camera | | |
| Camera type | Standard | Standard |
| Photo matrix | 11 Mpx | 48 Mpx |
| Optical zoom | | |
| Digital zoom | 7x | |
| Field of view | 84 ° | |
| Flash | | LED |
| Dual-colour LED flash | | |
| Video resolution | 3840x2160 px | 1920x1080 px |
| Video formats | H.264, H.265, MPEG4 - 60 fps | H.264, MPEG4 - 30 fps |
| Additional | AF, EIS, f/2.0 | AF, EIS, f/1.7 |
| Second camera | | |
| Camera type | nd | Wide-angle |
| Photo matrix | nd | 8 Mpx |
| Optical zoom | nd | |
| Field of view | nd | 120 ° |
| Flash | nd | LED |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.264, MPEG4 - 30 fps |
| Additional | nd | FF, f/2.2 |
| Third camera | | |
| Camera type | nd | Macro |
| Photo matrix | nd | 2 Mpx |
| Optical zoom | nd | |
| Flash | nd | LED |
| Dual-colour LED flash | nd | |
| Video formats | nd | H.264, MPEG4 - 30 fps |
| Additional | nd | f/2.4 |
CAMERAS - FRONT
| First camera | | |
| Camera type | nd | Portrait |
| Photo matrix | nd | 16 Mpx |
| Optical zoom | nd | |
| Flash | nd | |
| Dual-colour LED flash | nd | |
| Video resolution | nd | 1920x1080 px |
| Video formats | nd | H.264, MPEG4 - 30 fps |
| Additional | nd | FF, f/2.4 |
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | | v2.0 |
| HSCSD | | |
| HSDPA | 42.20 Mbit/s | 42.20 Mbit/s |
| HSUPA | 5.76 Mbit/s | 5.76 Mbit/s |
| HSPA | | |
| HSPA+ | | |
| LTE DL | 1174.00 Mbit/s | 800.00 Mbit/s |
| LTE UP | - | 210.00 Mbit/s |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v5.0 | v5.1 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 a/b/g/n/ac | v802.11 a/b/g/n/ac |
| WiFi frequencies | 2,4 GHz; 5 GHz | 2,4 GHz; 5 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | v3.1 Type-C | v2.0 Type-C |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| Galileo | | |
| QZSS | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | T9 | T9 |
| Swype | | |
| e-mail client | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | | 3.5 mm |
| HD Voice | | |
| Sound formats | 3GP, AAC, AMR, FLAC, IMY, M4A, MID, MIDI, MKV, MP4, OGG, OTA, RTTL, RTX, TS, WAV | AAC, AAC+, AMR, MID, WAV, eAAC+ |
| Polyphony | | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | ART | ART |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | | |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Recorder | | |
| Vibrations | | |