Both Realme C25s and Oppo A18 (4GB RAM + 128GB) comes with same RAM. In terms of display resolution, Oppo A18 (4GB RAM + 128GB) has better resolution of 1612 x 720 than Realme C25s which has resolution of 1600 x 720. Oppo A18 (4GB RAM + 128GB) has more internal memory than Realme C25s
| Name | Realme C25s | Oppo A18 (4GB RAM + 128GB) |
| RAM | 4 GB | 4 GB |
|---|---|---|
| Display | 6.5 in | 6.56 in |
| Internal Memory | 64 GB | 128 GB |
| Battery | 6000 mAh | 5000 mAh |
| Camera | 13 MP + 2 MP + 2 MP Triple | 8 MP + 2 MP Dual |
| Price | Rs. 8999 | Rs. 10750 |
The launch Date of the first phone is June 08, 2021. The cost of Realme C25s is Rs. 8999. The launch Date of the second phone is September 27. 2023. The cost of Oppo A18 (4GB RAM + 128GB) is Rs. 10750.
Oppo A18 (4GB RAM + 128GB) has larger screen size of 6.56 inches in comparison to Realme C25s's 6.5 inch screen. Realme C25s has LCD Screen type where as Oppo A18 (4GB RAM + 128GB) has IPS Screen type. Both have same 269 PPI. In terms of screen to body ratio, Realme's phone has better screen to body ratio of ~ 88.7% than OPPO's phone ~ 84.2%. Both mobiles have same aspect ratio of 20:9.
Both phones come with 4 GB RAM Oppo A18 (4GB RAM + 128GB) has more Internal Memory (128 GB) than Realme C25s (64 GB).
Realme C25s's 13 MP + 2 MP + 2 MP Triple Rear Camera outshines Oppo A18 (4GB RAM + 128GB)'s 8 MP + 2 MP Dual Rear Camera in terms of resolution. Realme C25s will be better choice if you're looking to click lot of selfies as it has better 8 MP Front Camera in comparison to Oppo A18 (4GB RAM + 128GB)'s 5 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 11 and the second one on 13 version.
| Name | Realme C25s | Oppo A18 (4GB RAM + 128GB) |
| General | ||
| Model | C25s | A18 |
| 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 | June 08, 2021 | September 27. 2023 |
| Design | ||
| Dimensions | 75.9 x 164.5 x 9.6 mm | 75 x 163.7 x 8.2 mm |
| Weight | 209 g | 188 g |
| Bezel less | No | |
| Colors | Glowing Black, Glowing Blue | |
| Display | ||
| Type | Color LCD Screen (16.7M) | Color IPS Screen (16M Colors) |
| Touch | Yes | Yes |
| Size | 6.5 inches, 720 x 1600 pixels, 60 Hz | 6.56 inches, 720 x 1612 pixels |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 269 PPI | ~ 269 PPI |
| Screen to Body Ratio | ~ 88.7% | ~ 84.2% |
| Features | Sunlight Screen Support, COG Sealing Process, WideVine L3 | |
| Notch | Yes, Water Drop Notch | Yes, Water Drop Notch |
| Memory | ||
| RAM | 4 GB | 4 GB |
| Storage | 64 GB | 128 GB |
| Card Slot | Yes, upto 256 GB | 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 | Wi-Fi 4 (802.11 b/g/n) | |
| Bluetooth | Yes, v5.0 | Yes, v5.3 |
| USB | Yes, USB-C | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB Charging, USB Storage |
| Extra | ||
| GPS | With A-GPS, GLONASS, BEIDOU | A-GPS |
| Fingerprint Sensor | Yes, Rear | Yes, Side |
| Face Unlock | Yes | |
| Sensors | Magnetic Induction Sensor, Light Sensor, Proximity Sensor, Acceleration Sensor | Accelerometer, Proximity, Compass |
| 3.5mm Headphone Jack | Yes | Yes |
| IP Rating | IP54 | |
| Dust Resistant | Yes | |
| Camera | ||
| Rear Camera | 13 MP ƒ/1.8 (Main) 2 MP ƒ/2.4 Portrait 2 MP ƒ/2.4 (Macro) Macro | 8 MP ƒ/2 (Wide Angle) AF 2 MP ƒ/2.4 (Depth Sensor) |
| Camera Sensor | CMOS Sensor | |
| Auto Focus | Yes | Yes |
| Features | Beauty, Filter, HDR, Panoramic View, Portrait, Timelapse, Slo-mo, NightScape, Expert | Night, Video, Photo, Portrait, Timelapse, Pro, Pano, Sticker, and Google Lens |
| Video Recording | 1080p @ 30 fps FHD, 720p @ 60 fps HD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 8 MP ƒ/2 Screen Flash | 5 MP ƒ/2.2 (Wide Angle) |
| Front Video Recording | 1080p | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v11 | Android v13 |
| Custom UI | ColorOS | |
| Chipset | MediaTek Helio G85 | Mediatek Helio G85 |
| CPU | 2 GHz, Octa Core Processor | 2 GHz, Octa Core Processor |
| Core Details | 2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55 | 2 x 2.0 GHz Cortex-A75 & 6 x 1.8 GHz Cortex-A55 |
| GPU | Mali-G52 MC2 | Mali-G52 MC2 |
| Java | No | No |
| Browser | Yes, supports HTML5 | 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 | 6000 mAh, Li-Po Battery | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 18W Fast Charging | |