Oppo Reno 4 Z 5G vs OPPO A91
Quick Comparison
Oppo Reno 4 Z 5G has better RAM than OPPO A91. Both have the same amount of internal memory.
| Name | Oppo Reno 4 Z 5G | OPPO A91 |
| RAM | 8 GB | 4 GB |
|---|---|---|
| Display | 6.57 in | 6.4 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 4000 mAh | 4025 mAh |
| Camera | 48 MP Quad | 48 MP Quad |
| Price | Rs. 32999 | Rs. 19990 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is September 29, 2020 . The cost of Oppo Reno 4 Z 5G is Rs. 32999. The launch Date of the second phone is December 20, 2019. The cost of OPPO A91 is Rs. 19990.
Display comparison
OPPO A91 has screen size of 6.4 inches which falls short to Oppo Reno 4 Z 5G's 6.57 inch screen. Oppo Reno 4 Z 5G has Screen type where as OPPO A91 has AMOLED Screen type. OPPO A91 has display density of 408 PPI & Oppo Reno 4 Z 5G has only 401 PPI display density. In terms of screen to body ratio, OPPO A91 has better screen to body ratio of ~ 85.5% than Oppo Reno 4 Z 5G's ~ 84.3%. Oppo Reno 4 Z 5G has 20:9 aspect ratio where as OPPO A91 has 20:9 aspect ratio.
Memory comparison
Oppo Reno 4 Z 5G's larger 8 GB RAM is better for playing games and all with respect to OPPO A91's lower 4 GB RAM. and both have same Internal Memory of 128 GB.
Camera comparison
They both have the same 48 MP Quad Rear Camera.Oppo Reno 4 Z 5G has 16 MP + 2 MP Dual Front Camera in comparison to OPPO A91's 16 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 10.0 and the second one on 9.0 version.
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Full Comparison
| Name | Oppo Reno 4 Z 5G | OPPO A91 |
| General | ||
| Model | Reno4 Z 5G | A91 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | September 29, 2020 | December 20, 2019 |
| Design | ||
| Dimensions | 75.5 x 163.8 x 8.1 mm | 73.3 x 160.2 x 7.9 mm |
| Weight | 184 g | 172 g |
| Display | ||
| Type | Color LTPS IPS LCD (16M Colors) | Color AMOLED Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.57 inches, 1080 x 2400 pixels, 120 Hz | 6.4 inches, 1080 x 2400 pixels |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 401 PPI | ~ 408 PPI |
| Screen to Body Ratio | ~ 84.3% | ~ 85.5% |
| Glass Type | Corning Gorilla Glass 3 | Corning Gorilla Glass 5 |
| Notch | Yes, Dual Punch Hole | Yes, Water Drop Notch |
| Memory | ||
| RAM | 8 GB | 4 GB |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.1 | |
| Card Slot | Yes, upto 256 GB | Yes |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| VoLTE | Yes, Dual Stand-By | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0, A2DP, LE | Yes, v4.2, A2DP, LE |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| Extra | ||
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, BDS |
| Fingerprint Sensor | Yes, Side | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Accelerometer, Gyro, Proximity, Compass |
| 3.5mm Headphone Jack | Yes | Yes |
| NFC | Yes | |
| Camera | ||
| Rear Camera | 48 MP ƒ/1.7 (Wide Angle) 8 MP ƒ/2.2 (Ultra Wide) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 (Depth Sensor) | 48 MP ƒ/1.8 (Wide Angle) 8 MP ƒ/2.3 (Ultra Wide) 2 MP ƒ/2.4 2 MP ƒ/2.4 (Depth Sensor) |
| Auto Focus | Yes | Yes |
| Features | HDR, Panorama | HDR, Panorama |
| Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 16 MP ƒ/2 (Wide Angle) 2 MP ƒ/2.4 (Depth Sensor) Punch Hole | 16 MP ƒ/2 (Wide Angle) |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v10.0 | Android v9.0 (Pie), upgradable to v11 |
| Chipset | Mediatek Helio 800 5G | Mediatek Helio P70 |
| CPU | 2 GHz, Octa Core Processor | 2 GHz, Octa Core Processor |
| Core Details | 2.2 GHz, Quad core, Cortex A77 + 2 GHz, Quad core, Cortex A55 | 4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53 |
| GPU | Mali-G57MP4 | Mali-G72 MP3 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes, supports HTML5 |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | No | Yes |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 4000 mAh, Li-Po Battery | 4025 mAh |
| Fast Charging | Yes, 18W Fast Charging | Yes, 20W Fast Charging |