Oppo A18 (4GB RAM + 128GB) vs Oppo A78 4G
Here you can compare Oppo A18 (4GB RAM + 128GB) and Oppo A78 4G. Comparing Oppo A18 (4GB RAM + 128GB) vs Oppo A78 4G on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Oppo A18 (4GB RAM + 128GB) stands against Oppo A78 4G and which one should you buy The current lowest price found for Oppo A18 (4GB RAM + 128GB) is ₹10,750 and for Oppo A78 4G is ₹13,999. The details of both of these products were last updated on Nov 18, 2025.
| Specification | Oppo A18 (4GB RAM + 128GB) | Oppo A78 4G |
|---|---|---|
| CPU | 2 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| OS | Android v13 | Android v13 |
| Rear Camera | 8 MP ƒ/2 (Wide Angle) AF 2 MP ƒ/2.4 (Depth Sensor) | 50 MP ƒ/1.8 (Wide Angle) PDAF 2 MP ƒ/2.4 (Depth Sensor) |
| Display | 6.56 inches, 720 x 1612 pixels | 6.43 inches, 1080 x 2400 pixels, 90 Hz |
| Internal Memory | 128 GB | 128 GB |
| Price | ₹10,750 | ₹13,999 |
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Overview
| Specs Score | 64 / 100 | 79 / 100 Better Specs |
| Display Resolution | 720 x 1612 pixels | 1080 x 2400 pixels Better Resolution |
| Screen To Body Ratio | ~ 84.2% | ~ 90.8% Less Bezels |
| RAM | 4 GB | 8 GB More RAM |
| CPU Clock Speed | 2 GHz | 2.4 GHz Faster Clock Speed |
| Rear Camera | 8 MP + 2 MP Dual | 50 MP + 2 MP Dual Better Camera Resolution |
| Front Camera | 5 MP | 8 MP Better Front Camera Resolution |
| Unique Features | No No | Fast Charging NFC |
General
| Model | A18 | A78 4G |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | September 27. 2023 | July 10, 2023 |
Design
| Dimensions | 75 x 163.7 x 8.2 mm | 73.2 x 160 x 7.9 mm |
| Weight | 188 g | 180 g |
| Bezel less | No | |
| Colors | Glowing Black, Glowing Blue | Mist Black , Aqua Green |
Display
| Type | Color IPS Screen (16M Colors) | Color AMOLED Screen (16.7 M) |
| Touch | Yes | Yes |
| Size | 6.56 inches, 720 x 1612 pixels | 6.43 inches, 1080 x 2400 pixels, 90 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 269 PPI | ~ 409 PPI |
| Screen to Body Ratio | ~ 84.2% | ~ 90.8% |
| Glass Type | Corning Gorilla Glass 5 | |
| Features | 100% DCI-P3, 600nits (Typical), 430nits (Typical) | |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole |
Memory
| RAM | 4 GB | 8 GB |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | |
| Card Slot | Yes | Yes, upto 1 TB |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| VoLTE | Yes | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 4 (802.11 b/g/n) | Wi-Fi 5 (802.11ac) |
| Bluetooth | Yes, v5.3 | Yes, v5.0, A2DP, LE, aptX HD |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Charging, USB Storage | USB on-the-go, USB Charging |
Extra
| GPS | A-GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Fingerprint Sensor | Yes, Side | Yes, In Display |
| Face Unlock | Yes | |
| Sensors | Accelerometer, Proximity, Compass | accelerometer, gyro, proximity, compass |
| 3.5mm Headphone Jack | Yes | Yes |
| NFC | Yes, Yes (market/region dependent) | |
| IP Rating | IP54 | IP54 |
| Dust Resistant | Yes | Yes |
| Extra Features | Dual Stereo Speakers, LPDDR4x RAM |
Camera
| Rear Camera | 8 MP ƒ/2 (Wide Angle) AF 2 MP ƒ/2.4 (Depth Sensor) | 50 MP ƒ/1.8 (Wide Angle) PDAF 2 MP ƒ/2.4 (Depth Sensor) |
| Auto Focus | Yes | Yes |
| Features | Night, Video, Photo, Portrait, Timelapse, Pro, Pano, Sticker, and Google Lens | Photos, videos, night, expert, panoramic, portrait, time-lapse, slow-motion, super text, Google lens, extra HD, multi-scene recording, and cute |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 5 MP ƒ/2.2 (Wide Angle) | 8 MP ƒ/2 (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
Technical
| OS | Android v13 | Android v13 |
| Custom UI | ColorOS | ColorOS 13.1 |
| Chipset | Mediatek Helio G85 | Qualcomm Snapdragon 680 |
| CPU | 2 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Core Details | 2 x 2.0 GHz Cortex-A75 & 6 x 1.8 GHz Cortex-A55 | 4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver |
| GPU | Mali-G52 MC2 | Adreno 610 |
| Java | No | No |
| Browser | Yes | Yes |
Multimedia
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-Po Battery | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 67W Fast Charging |
Discuss
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