Samsung Galaxy S10 Plus (12GB RAM + 1TB) has better RAM than Oppo A18. In terms of display resolution, Samsung Galaxy S10 Plus (12GB RAM + 1TB) has better resolution of 3040 x 1440 than Oppo A18 which has resolution of 1612 x 720. Samsung Galaxy S10 Plus (12GB RAM + 1TB) has more internal memory than Oppo A18
| Name | Oppo A18 | Samsung Galaxy S10 Plus (12GB RAM + 1TB) | 
| RAM | 4 GB | 12 GB | 
|---|---|---|
| Display | 6.56 in | 6.4 in | 
| Internal Memory | 64 GB | 1 TB | 
| Battery | 5000 mAh | 4100 mAh | 
| Camera | 8 MP + 2 MP Dual | 16 MP + 12 MP + 12 MP Triple | 
| Price | Rs. 8999 | Rs. 66999 | 
The launch Date of the first phone is September 27. 2023. The cost of Oppo A18 is Rs. 8999. The launch Date of the second phone is February, 2019. The cost of Samsung Galaxy S10 Plus (12GB RAM + 1TB) is Rs. 66999.
Samsung Galaxy S10 Plus (12GB RAM + 1TB) has screen size of 6.4 inches which falls short to Oppo A18's 6.56 inch screen. Oppo A18 has IPS Screen type where as Samsung Galaxy S10 Plus (12GB RAM + 1TB) has Screen type. Samsung's phone has display density of 522 PPI & OPPO's phone has only 269 PPI display density. In terms of screen to body ratio, Samsung's phone has better screen to body ratio of ~ 87.5% than OPPO's phone ~ 84.2%. Oppo A18 has 20:9 aspect ratio where as Samsung Galaxy S10 Plus (12GB RAM + 1TB) has 19:9 aspect ratio.
Samsung Galaxy S10 Plus (12GB RAM + 1TB)'s larger 12 GB RAM is better for playing games and all with respect to Oppo A18's lower 4 GB RAM. Samsung Galaxy S10 Plus (12GB RAM + 1TB) has more Internal Memory (1 TB) than Oppo A18 (64 GB).
Samsung Galaxy S10 Plus (12GB RAM + 1TB)'s 16 MP + 12 MP + 12 MP Triple Rear Camera outclasses Oppo A18's 8 MP + 2 MP Dual Rear Camera in terms of resolution. Samsung Galaxy S10 Plus (12GB RAM + 1TB) will be better choice if you're looking to click lot of selfies as it has better 10 MP + 8 MP Dual Front Camera in comparison to Oppo A18's 5 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 13 and the second one on v9.0 version.
| Name | Oppo A18 | Samsung Galaxy S10 Plus (12GB RAM + 1TB) | 
| General | ||
| Model | A18 | Galaxy S10 Plus | 
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) | 
| Dual Sim | Yes | Yes | 
| Sim Size | Nano+Nano SIM | Nano+Nano SIM | 
| Device Type | Smartphone | Smartphone | 
| Release Date | September 27. 2023 | February, 2019 | 
| Design | ||
| Dimensions | 75 x 163.7 x 8.2 mm | 74.1 x 157.6 x 7.8 mm | 
| Weight | 188 g | |
| Bezel less | No | |
| Colors | Glowing Black, Glowing Blue | |
| Display | ||
| Type | Color IPS Screen (16M Colors) | Color Dynamic AMOLED (16M Colors) | 
| Touch | Yes | Yes | 
| Size | 6.56 inches, 720 x 1612 pixels | 6.4 inches, 1440 x 3040 pixels | 
| Aspect Ratio | 20:9 | 19:9 | 
| PPI | ~ 269 PPI | ~ 522 PPI | 
| Screen to Body Ratio | ~ 84.2% | ~ 87.5% | 
| Notch | Yes, Water Drop Notch | Yes, Punch Hole | 
| Memory | ||
| RAM | 4 GB | 12 GB | 
| Storage | 64 GB | 1 TB | 
| Card Slot | Yes | Yes, (Hybrid Slot), upto 512 GB | 
| 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) | |
| Bluetooth | Yes, v5.3 | Yes, v5.0, A2DP, LE, aptX | 
| USB | Yes, USB-C v2.0 | Yes, USB-C v3.1 | 
| USB Features | USB Charging, USB Storage | |
| Extra | ||
| GPS | A-GPS | Yes, with A-GPS Support | 
| Fingerprint Sensor | Yes, Side | Yes, In Display | 
| Face Unlock | Yes | |
| Sensors | Accelerometer, Proximity, Compass | Accelerometer, Gyro, Proximity, Compass, Barometer, Heart Rate, SpO2 | 
| 3.5mm Headphone Jack | Yes | Yes | 
| NFC | Yes | |
| Water Resistance | Yes, 1.5 m upto 30 min | |
| IP Rating | IP54 | IP68 | 
| Dust Resistant | Yes | Yes | 
| Camera | ||
| Rear Camera | 8 MP ƒ/2 (Wide Angle) AF 2 MP ƒ/2.4 (Depth Sensor) | 16 MP + 12 MP + 12 MP | 
| Auto Focus | Yes | Yes | 
| Features | Night, Video, Photo, Portrait, Timelapse, Pro, Pano, Sticker, and Google Lens | Face detection, Touch to focus | 
| Video Recording | 1080p @ 30 fps FHD | 4K @ 60 fps UHD | 
| Flash | Yes, LED | Yes, LED | 
| Front Camera | 5 MP ƒ/2.2 (Wide Angle) | 10 MP + 8 MP | 
| Front Video Recording | 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v13 | Android v9.0 (Pie), upgradable to v11 | 
| Custom UI | ColorOS | |
| Chipset | Mediatek Helio G85 | Samsung Exynos s 9820 | 
| CPU | 2 GHz, Octa Core Processor | 2.7 GHz, Octa Core Processor | 
| Core Details | 2 x 2.0 GHz Cortex-A75 & 6 x 1.8 GHz Cortex-A55 | |
| GPU | Mali-G52 MC2 | Mali-G76 MP12 | 
| Java | No | No | 
| Browser | Yes | Yes, supports HTML5 | 
| 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 | 4100 mAh, Li-ion Battery | 
| Fast Charging | Yes, Fast Charging 15W | |
| Wireless Charging | Yes, Fast wireless charging 15W | |