OPPO A91 vs OPPO A78 Specs Comparison
Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.
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| OPPO A91 | OPPO A78 |
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Released
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Dec 20, 2019
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Released
·
Jan 07, 2023
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6.4-inch · 2400x1080px
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6.6-inch · 1612x720px
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Dual camera
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Dual camera
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4GB · 128GB
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4GB · 128GB
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4025 mAh
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5000 mAh
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| Check Accessories | Check Accessories |
Availability
| Officially announced | |
|---|---|
| Dec 20, 2019 | |
Design
| Dimensions | |
|---|---|
| 6.31 x 2.89 x 0.31 inches 160.2 x 73.3 x 7.9 mm |
6.45 x 2.96 x 0.31 inches 163.8 x 75.1 x 8 m |
| Weight | |
| 6.07 oz / 172.0 g | 6.63 oz / 188.0 g |
| Materials | |
| Back: Plastic Frame: Plastic |
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| Resistance | |
| Splash, Dust; IP54 | |
| Biometrics | |
| Optical in-screen fingerprint | Fingerprint (touch) |
| Keys | |
| Left: Volume control; Right: Lock/Unlock key | |
| Colors | |
| Lightening Black, Unicorn White, Blazing Blue | Glowing Black, Glowing Purple |
Display
| Size | |
|---|---|
| 6.4-inch, 84.05% screen-to-body | 6.6-inch, 83.93% screen-to-body |
| Type | |
| AMOLED, 60Hz | IPS LCD, 90Hz, 600 nits |
| Resolution | |
| 2400x1080px, 20:9 ratio, 411 PPI | 1612x720px, 20:9 ratio, 269 PPI |
| Protection | |
| Corning Gorilla Glass 5 | |
Hardware
| System chip | |
|---|---|
| Mediatek Helio P70 MT6771V (12 nm) | Mediatek Dimensity 700 (7 nm) |
| Processor | |
| Octa-core 2100 MHz Cortex-A73 |
Octa-core 2x2.2GHz Cortex-A76 6x2.0GHz Cortex-A5 |
| GPU | |
| Mali-G72 MP3 | Mali-G57 MC2 |
| Memory | |
| 4GB (LPDDR4)/128GB (UFS 2.1) 8GB/128GB |
4GB/128GB |
| Storage expansion | |
| microSDXC | microSDXC |
| OS | |
| Android (9.0 Pie) | Android (14, 13, 12) |
Battery
| Type | |
|---|---|
| 4025 mAh, Li - Polymer | 5000 mAh |
| Charging | |
| SuperVOOC 3.0 | |
| Charge speed | |
| Wired: 20.0W | Wired: 33.0W |
Camera
| Rear | |
|---|---|
| Dual camera | Dual camera |
| Main camera | |
| 48 MP (PDAF) Aperture size: F1.8 Focal length: 26mm (wide) mm Sensor size: 1/2.3" Pixel size: 0.8 μm |
50 MP (PDAF) Aperture size: F1.8 Focal length: 27 mm |
| Second camera | |
| 8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/1.4" Pixel size: 1.12 μm |
2 MP (Depth information) |
| Third camera | |
| 2 MP (Macro) Aperture size: F2.4 Sensor size: 1/1.5" Pixel size: 1.75 μm |
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| Fourth camera | |
| 2 MP (Depth information) Aperture size: F2.4 Sensor size: 1/3.1" Pixel size: 1 μm |
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| Flash | |
| LED | LED |
| Video recording | |
| 1080p (30 fps) HDR, Time-lapse video, EIS |
Yes |
| Front | |
| 16 MP Video capture: 720p (30 fps) |
8 MP |
Connectivity & Features
| Bluetooth | |
|---|---|
| 4.2 | 5.3 |
| WLAN | |
| Yes Wi-Fi Direct, Hotspot 802.11 b, g, n, ac | Yes Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac |
| USB | |
| Type-C, USB 2.0 | Type-C, USB 2.0 |
| Sensors | |
| Accelerometer, Gyroscope, Ambient light sensor, Proximity sensor | Accelerometer, Ambient light sensor, Proximity sensor |
| Location | |
| GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning | GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, Cell ID, Wi-Fi positioning |
| Other | |
| NFC | |
Multimedia
| Headphones | |
|---|---|
| 3.5mm jack | 3.5mm jack |
| Speakers | |
| Earpiece, Loudspeaker | Earpiece, Multiple speakers |
| Screen mirroring | |
| Wireless screen share | Wireless screen share |
| Radio | |
| FM | |
| Additional microphone(s) | |
| Noise cancellation | Noise cancellation |
Cellular
| 5G Bands | |
|---|---|
| 5G Ready | |
| LTE Bands | |
| 1, 3, 5, 7, 8 | |
| TDD Bands | |
| 38, 40, 41 | |
| 3G Bands | |
| 1, 5, 8 | |
| Data Speed | |
| LTE, HSDPA+ (4G) 42.2 Mbit/s | |
| Dual SIM | |
| No | |
| SIM type | |
| Nano SIM | Dual Nano SIM |
Alternative variants
Comes with 8GB RAM
| Memory | 8GB |
|---|---|
Discover more
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