Oppo A91 vs Oppo A55
Comparing 2 products
| General Overview | ||
| Device Type | Bar | Bar |
| Model | PCPM00 | CPH2325 |
| Announced | 2019, December | 2021, October |
| Released | 2019, December | 2021, October |
| Status | Available | Available |
| Design | ||
| Type | Bar | Bar |
| Dimensions | 7.9 mm thickness | 163.6 x 75.7 x 8.4 mm (6.44 x 2.98 x 0.33 in) |
| Weight | 172 g (6.07 oz) | 193 g (6.81 oz) |
| Colors | Dark Blue, Red, Blue | Rainbow Blue, Starry Black, Green |
| Network | ||
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA | Yes |
| 3G Network | HSDPA 850 / 1700(AWS) / 1900 / 2100 | Yes |
| 4G Network | LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) | Yes |
| SIM | Nano SIM | Nano SIM |
| Dual SIM | Yes, Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| 5G Network | - | No |
| Display | ||
| Display Type | AMOLED | IPS LCD |
| Size | 6.4 inches, 98.9 cm2 | 6.51 inches, 102.3 cm2 (~82.6% screen-to-body ratio) |
| Resolution | 1080 x 2400 pixels | 1600 x 720 pixels |
| Display Colors | 16M colors | 16M colors or more |
| Pixel Density | 411 ppi density | 270 ppi density |
| Touch Screen | Capacitive Touchscreen | Capacitive Touchscreen |
| Display Protection | - | NEG T2X-1 |
| Features | - | 480 nits (typ) 550 nits (peak) |
| Media | ||
| FM Radio | Yes | No |
| Earphone Jack | Yes | Yes |
| Camera | ||
| Camera Set | Quad Cameras | Triple Cameras |
| Main Camera | 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF | 50 MP, f/1.8 26mm (wide), PDAF |
| 2nd Camera | 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm | 2 MP, f/2.4, (depth) |
| 3rd Camera | 2 MP, f/2.4, 1/5", 1.75µm (dedicated macro camera) | 2 MP, f/2.4, (depth) |
| 4th Camera | 2 MP, f/2.4, 1/5", 1.75µm, depth sensor | - |
| Camera Video | 2160p@30fps, 1080p@30fps | 1080P@30fps |
| Features | HDR, panorama | HDR, panorama |
| Flash | LED Flash | LED Flash |
| Selfie Set | Single Camera | Single Camera |
| Selfie Camera | 16 MP, f/2.0, 26mm (wide), 1/3.1", 1.0µm | 16 MP, f/2.0, 26mm (wide) |
| Selfie Video | 1080p@30fps | 1080p@30fps |
| Features | HDR | HDR |
| Software | ||
| OS | Android 9.0 (Pie) | Android 11 |
| User Interface | ColorOS 6.1 | ColorOS 11.1 |
| Hardware | ||
| Chipset | Mediatek MT6771V Helio P70 (12nm) | MediaTek Helio G35 (12 nm) |
| CPU | Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) |
| GPU | Mali-G72 MP3 | PowerVR GE8320 |
| RAM | 8 GB | 4/6 GB |
| Internal Storage | 128 GB | 64/128 GB |
| Card Slot | Yes, microSD, up to 256 GB (dedicated slot) | Yes microSD, (dedicated slot) |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Connectivity | ||
| Bluetooth | 5.0, A2DP, LE, aptX HD | 5.0, A2DP, LE, aptX |
| Wi-fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Wi-fi Hotspot | Yes | Yes |
| USB | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | USB Type-C 2.0, USB On-The-Go |
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| NFC | No | No |
| Data | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| Speed | HSPA 42.2/11.5 Mbps, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A |
| Battery | ||
| Battery Type | Li-Poly (Lithium Polymer) | Li-Poly (Lithium Polymer) |
| Capacity | 4025 mAh battery | 5000 mAh, battery |
| Placement | Non-removable | Non-removable |
| Fast Charging | Yes, 30W: 50% in 30 min (VOOC Flash Charge 4.0) | Yes, 18W |
