Realme C51 has better RAM than OPPO A15. Realme C51 has more internal memory than OPPO A15
| Name | Realme C51 | OPPO A15 |
| RAM | 4 GB | 3 GB |
|---|---|---|
| Display | 6.74 in | 6.52 in |
| Internal Memory | 64 GB | 32 GB |
| Battery | 5000 mAh | 4230 mAh |
| Camera | 50 MP + 0.08 MP Dual | 13 MP + 2 MP + 2 MP Triple |
| Price | Rs. 8999 | Rs. 7499 |
The launch Date of the first phone is September 04, 2023. The cost of Realme C51 is Rs. 8999. The launch Date of the second phone is October 15, 2020 . The cost of OPPO A15 is Rs. 7499.
Realme C51 has larger screen size of 6.74 inches in comparison to OPPO A15's 6.52 inch screen. Realme C51 has IPS Screen type where as OPPO A15 has IPS LCD Screen type. OPPO's phone has display density of 269 PPI & Realme's phone has only 262 PPI display density. In terms of screen to body ratio, Realme's phone has better screen to body ratio of ~ 90.3% than OPPO's phone ~ 83%. Realme C51 has 20.1:9 aspect ratio where as OPPO A15 has 20:9 aspect ratio.
Realme C51's larger 4 GB RAM is better for playing games and all with respect to OPPO A15's lower 3 GB RAM. Realme C51 has more Internal Memory (64 GB) than OPPO A15 (32 GB).
Realme C51's 50 MP + 0.08 MP Dual Rear Camera outclasses OPPO A15's 13 MP + 2 MP + 2 MP Triple Rear Camera in terms of resolution. Both of them stand equal in terms of Front Camera Resolution as both have 5 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 13 and the second one on 10.0 version.
| Name | Realme C51 | OPPO A15 |
| General | ||
| Country of Origin | India | |
| Model | C51 | A15 |
| 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 | October 15, 2020 |
| Design | ||
| Dimensions | 76.67 x 167.16 x 7.99 mm | 75.4 x 164 x 7.9 mm |
| Weight | 186 g | 175 g |
| Colors | Carbon Black, Mint Green | |
| Display | ||
| Type | Color IPS Screen (16.7M) | Color IPS LCD Screen (16M Colors) |
| Touch | Yes, 180 Hz Touch Sampling Rate | Yes |
| Size | 6.74 inches, 720 x 1600 pixels, 90 Hz | 6.52 inches, 720 x 1600 pixels |
| Aspect Ratio | 20.1:9 | 20:9 |
| PPI | ~ 262 PPI | ~ 269 PPI |
| Screen to Body Ratio | ~ 90.3% | ~ 83% |
| 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 | 3 GB |
| Expandable RAM | Upto 4 GB Extra Virtual RAM | |
| Storage | 64 GB | 32 GB |
| Card Slot | Yes, upto 2 TB | Yes, upto 256 GB |
| 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) | |
| Bluetooth | Yes, v5.0 | Yes, v5.0, A2DP, LE |
| USB | Yes, USB-C v2.0 | Yes, microUSB v2.0 |
| USB Features | USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| Extra | ||
| GPS | with AGPS, BEIDOU, GALILEO | Yes, with A-GPS, GLONASS, BDS |
| Fingerprint Sensor | Yes, Side | Yes, Rear |
| Face Unlock | Yes | Yes |
| Sensors | Magnetic Induction Sensor, Light Sensor, Proximity Sensor, Gyro Meter (Soft Gyroscope), Acceleration Sensor | Accelerometer, Gyro, Proximity, Compass |
| 3.5mm Headphone Jack | Yes | Yes |
| Water Resistance | No | |
| 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 | 13 MP ƒ/2.2 (Main) 2 MP ƒ/2.4 (Macro) Macro 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 | HDR, Panorama |
| 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/2.4 (Main) |
| Front Video Recording | 720p @ 30 fps HD, 480p | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v13 | Android v10.0 |
| Custom UI | Realme UI T-edition | |
| Chipset | Unisoc T612 | Mediatek Helio P35 |
| CPU | 1.8 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53 | |
| GPU | Mali-G57 | PowerVR GE8320 |
| Java | No | No |
| Browser | Yes | Yes, supports HTML5 |
| 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 | Yes |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-Po Battery | 4230 mAh, Li-Po Battery |
| Fast Charging | Yes, 33W | |
| Reverse Charging | Yes | |
| StandBy Time | 13 days | |
| Talk Time | 29 hours | |