Oppo A5i has better RAM than Vivo Y18 (4GB RAM + 128GB). In terms of display resolution, Vivo Y18 (4GB RAM + 128GB) has better resolution of 1612 x 720 than Oppo A5i which has resolution of 1604 x 720. Both have the same amount of internal memory.
| Name | Vivo Y18 (4GB RAM + 128GB) | Oppo A5i |
| RAM | 4 GB | 8 GB |
|---|---|---|
| Display | 6.56 in | 6.67 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 5000 mAh | 5100 mAh |
| Camera | 50 MP + 0.08 MP Dual | 8 MP |
| Price | Rs. 11999 | Rs. 12999 |
The launch Date of the first phone is May 01, 2024. The cost of Vivo Y18 (4GB RAM + 128GB) is Rs. 11999. The launch Date of the second phone is expected to be December 09, 2025 (Expected). The Expected cost of Oppo A5i is Rs. 12999.
Vivo Y18 (4GB RAM + 128GB) has screen size of 6.56 inches which falls short to Oppo A5i's 6.67 inch screen. Both the phones have LCD Screen Type. Vivo's phone has display density of 269 PPI & OPPO's phone has only 264 PPI display density. Vivo Y18 (4GB RAM + 128GB) has 20:9 aspect ratio where as Oppo A5i has 18:9 aspect ratio.
Oppo A5i's larger 8 GB RAM is better for playing games and all with respect to Vivo Y18 (4GB RAM + 128GB)'s lower 4 GB RAM. and both have same Internal Memory of 128 GB.
Vivo Y18 (4GB RAM + 128GB)'s 50 MP + 0.08 MP Dual Rear Camera outclasses Oppo A5i's 8 MP Rear Camera in terms of resolution. Vivo Y18 (4GB RAM + 128GB) 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 A5i's 5 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 14 and the second one on 15 version.
| Name | Vivo Y18 (4GB RAM + 128GB) | Oppo A5i |
| General | ||
| Country of Origin | India | |
| Model | Y18 | A5i |
| 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 | May 01, 2024 | December 09, 2025 (Expected) |
| In The Box | Model, Quick Start Guide, USB Cable, Charger, Eject Tool, Phone Case, Protective Film (applied), Warranty Card | |
| Design | ||
| Dimensions | 75.58 x 163.63 x 8.39 mm | |
| Weight | 185 g | |
| Bezel less | No | No |
| Colors | Space Black, Gem Green | |
| Display | ||
| Type | Color LCD Screen | Color LCD Screen |
| Touch | Yes | Yes |
| Size | 6.56 inches, 720 x 1612 pixels, 90 Hz | 6.67 inches, 720 x 1604 pixels, 90 Hz |
| Aspect Ratio | 20:9 | 18:9 |
| PPI | ~ 269 PPI | ~ 264 PPI |
| Screen to Body Ratio | ~ 89.9% | |
| Brightness | 1000nits | |
| Features | Color Saturation: 83% NTSC, 840 nits HBM Brightness | |
| 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 2.1 | |
| Card Slot | Yes | Yes |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | No | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | 2.4 GHz, 5 GHz | Wi-Fi 2.4G, Wi-Fi 5G, Wi-Fi 5 (802.11ac), 802.11b/g/a/n |
| Bluetooth | Yes, v5.0 | Yes, v5.0, Supports SBC, AAC, aptx, aptx-HD, LDAC |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| Extra | ||
| GPS | Yes, with A-GPS, BeiDou, GLONASS, Galileo, QZSS | Yes with A-GPS, BeiDou: B1I; GPS: L1; GLONASS: G1; Galileo: E1; QZSS: L1 |
| Fingerprint Sensor | Yes, Side | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, E-compass, Gyroscope, Color Temperature Sensor | Proximity, Ambient Light, E-compass, Accelerometer |
| 3.5mm Headphone Jack | Yes | |
| Water Resistance | No | |
| Splash Resistant | Yes | No |
| IP Rating | IP54 | IP54 |
| Dust Resistant | Yes | Yes |
| Extra Features | eMMC 5.1, LPDDR4X RAM, SAR value (head): 0.98 W/kg, SAR value (body): 084 W/kg | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Main) 0.08 MP ƒ/3 (Depth Sensor) | 8 MP (Wide Angle) |
| Auto Focus | Yes | Yes |
| Features | Night, Portrait, Photo, Video, Pano, Documents, Slo-mo, Time-lapse, Pro, Live Photo,50 MP | |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30/60 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 8 MP ƒ/2 Screen Flash | 5 MP (Wide Angle) Punch Hole |
| Front Video Recording | 720p | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v14 | Android v15 |
| Custom UI | Funtouch OS 14 | ColorOS 15 |
| Chipset | MediaTek Helio G85 | Qualcomm Snapdragon 6s Gen 1 |
| CPU | 2 GHz, Octa Core Processor | Octa Core Processor |
| Core Details | 2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55 | |
| GPU | Mali-G52 MC2 | |
| Java | No | No |
| Browser | Yes, supports HTML | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | Yes | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-ion Battery | 5100 mAh |
| Fast Charging | Yes, 15W Fast Charging | Yes, 45W |