Xiaomi Redmi 15 5G (8GB RAM + 256GB) vs Oppo A78
Quick Comparison
Both Xiaomi Redmi 15 5G (8GB RAM + 256GB) and Oppo A78 comes with same RAM. In terms of display resolution, Xiaomi Redmi 15 5G (8GB RAM + 256GB) has better resolution of 2340 x 1080 than Oppo A78 which has resolution of 1612 x 720. Xiaomi Redmi 15 5G (8GB RAM + 256GB) has more internal memory than Oppo A78
| Name | Xiaomi Redmi 15 5G (8GB RAM + 256GB) | Oppo A78 |
| RAM | 8 GB | 8 GB |
|---|---|---|
| Display | 6.9 in | 6.56 in |
| Internal Memory | 256 GB | 128 GB |
| Battery | 7000 mAh | 5000 mAh |
| Camera | 50 MP Dual | 50 MP + 2 MP Dual |
| Price | Rs. 18499 | Rs. 15490 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is August 01, 2025. The cost of Xiaomi Redmi 15 5G (8GB RAM + 256GB) is Rs. 18499. The launch Date of the second phone is January 16, 2023. The cost of Oppo A78 is Rs. 15490.
Display comparison
Xiaomi Redmi 15 5G (8GB RAM + 256GB) has larger screen size of 6.9 inches in comparison to Oppo A78's 6.56 inch screen. There is IPS Screen Type in both the phones. Xiaomi's phone has display density of 374 PPI & OPPO's phone has only 269 PPI display density. In terms of screen to body ratio, OPPO's phone has better screen to body ratio of ~ 84% than Xiaomi's phone ~ 83.2%. Xiaomi Redmi 15 5G (8GB RAM + 256GB) has 20.6:9 aspect ratio where as Oppo A78 has 20:9 aspect ratio.
Memory comparison
Both phones come with 8 GB RAM Xiaomi Redmi 15 5G (8GB RAM + 256GB) has more Internal Memory (256 GB) than Oppo A78 (128 GB).
Camera comparison
They both have the same 50 MP Dual Rear Camera. Both of them stand equal in terms of Front Camera Resolution as both have 8 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 15 and the second one on 12 version.
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Full Comparison
| Name | Xiaomi Redmi 15 5G (8GB RAM + 256GB) | Oppo A78 |
| General | ||
| Country of Origin | India | |
| Model | 15 5G | A78 |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano SIM |
| Device Type | Smartphone | Smartphone |
| OS Updates | 2 years | |
| Security Updates | 4 years | |
| Release Date | August 01, 2025 | January 16, 2023 |
| In The Box | Mobile Phone * 1, Adapter * 1, USB Type-C cable * 1, SIM Eject Tool * 1, Quick Start Guide, & Warranty Card * 1, Safety Information * 1 | |
| Design | ||
| Dimensions | 80.45 x 168.48 x 8.4 mm | 75.1 x 163.8 x 8 mm |
| Weight | 217 g | 188 g |
| Colors | Sandy Purple, Frosted White, Midnight Black | Glowing Black, Glowing Purple |
| Display | ||
| Type | Color IPS Screen (16M Colors) | Color IPS Screen (16.7 M) |
| Touch | Yes, 288 Hz Touch Sampling Rate | Yes |
| Size | 6.9 inches, 1080 x 2340 pixels, 144 Hz | 6.56 inches, 720 x 1612 pixels, 90 Hz |
| Aspect Ratio | 20.6:9 | 20:9 |
| PPI | ~ 374 PPI | ~ 269 PPI |
| Screen to Body Ratio | ~ 83.2% | ~ 84% |
| Glass Type | Panda glass | |
| Brightness | 850nits Peak Brightness | |
| Features | TÜV Rheinland Circadian Friendly, TÜV Rheinland flicker free, TÜV Rheinland Low Blue light | 100% DCI-P3, 600nits (Typical), 480nits (Typical) |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
| Memory | ||
| RAM | 8 GB | 8 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 256 GB | 128 GB |
| Storage Type | UFS 2.2 | UFS 2.2 |
| Card Slot | Yes, (Hybrid Slot), upto 1 TB | Yes |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | SA: n1/n3/n5/n8/n28/n40/n78, NSA: n1/n3/n40/n78/n8 | NR: n1/n5/n8/n28A/n41/n78 |
| VoLTE | Yes | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 5 (802.11ac) | |
| Bluetooth | Yes, v5.1, A2DP, LE | Yes, v5.3, A2DP, LE, aptX HD |
| USB | Yes, USB-C | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Extra | ||
| GPS | Yes, with A-GPS, Glonass, Beidou | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Ambient Light Sensor, Proximity Sensor (Virtual), E Compass, Accelerometer | Accelerometer, Proximity, Compass |
| 3.5mm Headphone Jack | Yes | |
| AI Features | Circle to Search, Gemini AI, AI Erase | |
| Splash Resistant | Yes | |
| IP Rating | IP64 | IP54 |
| Dust Resistant | Yes | |
| Extra Features | Hydro Touch | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.75 (Wide Angle) | 50 MP ƒ/1.8 (Wide Angle) 2 MP ƒ/2.4 (Depth Sensor) |
| Auto Focus | Yes | Yes |
| Features | AI Sky, AI Erase, Classic Film Filters | Night, Videos, Photos, Portrait, Expert, Extra HD, Panoramic, Time-lapse, Slow-motion, Sticker, Text scanner, and Google Lens |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 8 MP ƒ/2.2 (Wide Angle) Punch Hole, Screen Flash | 8 MP ƒ/2 (Wide Angle) Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v12 |
| Custom UI | HyperOS 2 | |
| Chipset | Qualcomm Snapdragon 6s Gen3 | Mediatek Dimensity 700 5G |
| CPU | 2.3 GHz, Octa Core Processor | 2.2 GHz, Octa Core Processor |
| Core Details | 2x2.3 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55 | 2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55 |
| GPU | Adreno 619 | Mali-G57 MC2 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | Yes |
| Video | Yes | Yes |
| FM Radio | Yes | No |
| Speaker Type | Bottom Firing Loud Speaker | |
| Audio Features | Dolby Certified, 200% Super Volume | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7000 mAh, Si-C EV-Grade Technology | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 33W | Yes, 33W Fast Charging |
| Reverse Charging | Yes, 18W | |