Realme C51 vs Oppo A18
Here you can compare Realme C51 and Oppo A18. Comparing Realme C51 vs Oppo A18 on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Realme C51 stands against Oppo A18 and which one should you buy The current lowest price found for Realme C51 is ₹8,999 and for Oppo A18 is ₹9,599. The details of both of these products were last updated on Dec 07, 2025.
| Specification | Realme C51 | Oppo A18 |
|---|---|---|
| Battery | 5000 mAh, Li-Po Battery | 5000 mAh, Li-Po Battery |
| OS | Android v13 | Android v13 |
| Display | 6.74 inches, 720 x 1600 pixels, 90 Hz | 6.56 inches, 720 x 1612 pixels |
| RAM | 4 GB | 4 GB |
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 0.08 MP ƒ/3 Black and White | 8 MP ƒ/2 (Wide Angle) AF 2 MP ƒ/2.4 (Depth Sensor) |
| Price | ₹8,999 | ₹9,599 |
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Overview
| Specs Score | 68 / 100 Better Specs | 63 / 100 |
| Display Resolution | 720 x 1600 pixels | 720 x 1612 pixels Better Resolution |
| Screen To Body Ratio | ~ 90.3% Less Bezels | ~ 84.2% |
| CPU Clock Speed | 1.8 GHz | 2 GHz Faster Clock Speed |
| Rear Camera | 50 MP + 0.08 MP Dual Better Camera Resolution | 8 MP + 2 MP Dual |
| Unique Features | Fast Charging Reverse Charging | No No |
General
| Country of Origin | India | |
| Model | C51 | A18 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | September 04, 2023 | September 27. 2023 |
Design
| Dimensions | 76.67 x 167.16 x 7.99 mm | 75 x 163.7 x 8.2 mm |
| Weight | 186 g | 188 g |
| Bezel less | No | |
| Colors | Carbon Black, Mint Green | Glowing Black, Glowing Blue |
Display
| Type | Color IPS Screen (16.7M) | Color IPS Screen (16M Colors) |
| Touch | Yes, 180 Hz Touch Sampling Rate | Yes |
| Size | 6.74 inches, 720 x 1600 pixels, 90 Hz | 6.56 inches, 720 x 1612 pixels |
| Aspect Ratio | 20.1:9 | 20:9 |
| PPI | ~ 262 PPI | ~ 269 PPI |
| Screen to Body Ratio | ~ 90.3% | ~ 84.2% |
| Features | Brightness: 560 nit, Color Saturation: 96% NTSC, Sunlight Screen Support, Screen Contrast: 1500:1, | |
| Notch | Yes, Water Drop Notch | Yes, Water Drop Notch |
Memory
| RAM | 4 GB | 4 GB |
| Expandable RAM | Upto 4 GB Extra Virtual RAM | |
| Storage | 64 GB | 64 GB |
| Card Slot | Yes, upto 2 TB | Yes |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| VoLTE | Yes, Dual Stand-By | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | IEEE 802.11 a/b/g/n/ac (WiFi 4, WiFi 5) (2.4 GHz | 5 GHz) | Wi-Fi 4 (802.11 b/g/n) |
| Bluetooth | Yes, v5.0 | Yes, v5.3 |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB Charging, USB Storage |
Extra
| GPS | with AGPS, BEIDOU, GALILEO | A-GPS |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | |
| Sensors | Magnetic Induction Sensor, Light Sensor, Proximity Sensor, Gyro Meter (Soft Gyroscope), Acceleration Sensor | Accelerometer, Proximity, Compass |
| 3.5mm Headphone Jack | Yes | Yes |
| Water Resistance | No | |
| IP Rating | IP54 | |
| Dust Resistant | Yes | |
| Extra Features | Mini Capsule, Press to Answer Calls, Wake Up Voice Assistant, Switch The Music, Night Shield Google Lens, Data Backup, Office Tools, World Time |
Camera
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 0.08 MP ƒ/3 Black and White | 8 MP ƒ/2 (Wide Angle) AF 2 MP ƒ/2.4 (Depth Sensor) |
| Auto Focus | Yes | Yes |
| Features | 50MP Mode, Video, Night Mode, Panoramic View, Expert, Timelapse, Portrait Mode, HDR, AI Scene Recognition, Filter, Slow Motion | Night, Video, Photo, Portrait, Timelapse, Pro, Pano, Sticker, and Google Lens |
| Video Recording | 1080p @ 30 fps FHD, 720p | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 5 MP ƒ/2 (Wide Angle) Screen Flash | 5 MP ƒ/2.2 (Wide Angle) |
| Front Video Recording | 720p @ 30 fps HD, 480p | 1080p @ 30 fps FHD |
Technical
| OS | Android v13 | Android v13 |
| Custom UI | Realme UI T-edition | ColorOS |
| Chipset | Unisoc T612 | Mediatek Helio G85 |
| CPU | 1.8 GHz, Octa Core Processor | 2 GHz, Octa Core Processor |
| Core Details | 2 x 2.0 GHz Cortex-A75 & 6 x 1.8 GHz Cortex-A55 | |
| GPU | Mali-G57 | Mali-G52 MC2 |
| Java | No | No |
| Browser | Yes | Yes |
Multimedia
| Yes | Yes | |
| Music | AAC, APE, FLAC, AMR, MID, MP3, OGG, WAV, WMA, MKA | Yes |
| Video | MP4, 3GP, ASF, AVI, FLV, M2TS, MKV, MPG, TS, WEBM, WMV | Yes |
| FM Radio | No | No |
| Document Reader | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-Po Battery | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 33W | |
| Reverse Charging | Yes |
Discuss
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