Oppo A78 vs OPPO K12x 5G (8GB RAM + 256GB)
Here you can compare Oppo A78 and OPPO K12x 5G (8GB RAM + 256GB). Comparing Oppo A78 vs OPPO K12x 5G (8GB RAM + 256GB) on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Oppo A78 stands against OPPO K12x 5G (8GB RAM + 256GB) and which one should you buy The current lowest price found for Oppo A78 is ₹18,500 and for OPPO K12x 5G (8GB RAM + 256GB) is ₹18,999. The details of both of these products were last updated on Jun 08, 2026.
| Specification | Oppo A78 | OPPO K12x 5G (8GB RAM + 256GB) |
|---|---|---|
| RAM | 8 GB | 8 GB |
| CPU | 2.2 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Internal Memory | 128 GB | 256 GB |
| Display | 6.56 inches, 720 x 1612 pixels, 90 Hz | 6.67 inches, 720 x 1604 pixels, 120 Hz |
| OS | Android v12 | Android v14 |
| Price | ₹18,500 | ₹18,999 |
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Overview
| Specs Score | 54 / 100 | 54 / 100 |
| Display Resolution | 720 x 1612 pixels Better Resolution | 720 x 1604 pixels |
| Screen To Body Ratio | ~ 84% | ~ 89.9% Less Bezels |
| Storage | 128 GB | 256 GB More Storage |
| CPU Clock Speed | 2.2 GHz | 2.4 GHz Faster Clock Speed |
| Rear Camera | 50 MP + 2 MP Dual Better Camera Resolution | 32 MP + 2 MP Dual |
General
| Country of Origin | India | |
| Model | A78 | CPH2667, K12x |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | January 16, 2023 | July 29, 2024 |
| In The Box | Phone x 1, USB Data Cable x 1, Charger x 1, SIM Ejector Tool x 1, Protective Case x 1, User manual x 1, Warranty card x 1 |
Design
| Dimensions | 75.1 x 163.8 x 8 mm | 76 x 165.7 x 7.7 mm |
| Weight | 188 g | 186 g |
| Colors | Glowing Black, Glowing Purple | Midnight Violet, Breeze Blue |
Display
| Type | Color IPS Screen (16.7 M) | Color LCD Screen (16.7 M) |
| Touch | Yes | Yes, 120 Hz Touch Sampling Rate |
| Size | 6.56 inches, 720 x 1612 pixels, 90 Hz | 6.67 inches, 720 x 1604 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 269 PPI | ~ 264 PPI |
| Screen to Body Ratio | ~ 84% | ~ 89.9% |
| Glass Type | Panda glass | |
| Features | 100% DCI-P3, 600nits (Typical), 480nits (Typical) | 1000 nits, Eye Comfort Mode, User Scenario, Vivid mode: 83% NTSC, Natural Mode: 71% NTSC |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole |
Memory
| RAM | 8 GB | 8 GB |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 128 GB | 256 GB |
| Storage Type | UFS 2.2 | UFS 2.2 |
| Card Slot | Yes | Yes, (Hybrid Slot), upto 1 TB |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | NR: n1/n5/n8/n28A/n41/n78 | n1/n3/n5/n8/n28B/n40/n41/n77/n78 |
| VoLTE | Yes | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 5 (802.11ac) | Wi-Fi 5 (802.11ac), 802.11a/b/g/n, WLAN 2.4G/WLAN 5G |
| Bluetooth | Yes, v5.3, A2DP, LE, aptX HD | Yes, v5.3, SBC, AAC, aptX, aptX HD, and LDAC |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB on-the-go, USB Charging |
Performance
| Camera Score | 69 (DxOMark) |
Extra
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with BeiDou: B1I; GPS: L1; GLONASS: G1; Galileo: E1; QZSS: L1 |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Proximity, Compass | Accelerometer, Gyro, Proximity, Compass |
| 3.5mm Headphone Jack | Yes | Yes |
| Splash Resistant | Yes | |
| IP Rating | IP54 | IP54 |
| Dust Resistant | Yes | |
| Extra Features | 360° Damage-Proof Armour Body, Splash Touch, SAR Value Head SAR: 1.176W/kg, Body SAR: 1.186W/kg, RAM Type: LPDDR4X@2133MHz, 2 × 16 bits |
Camera
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 2 MP ƒ/2.4 (Depth Sensor) | 32 MP ƒ/1.8 (Wide Angle) 2 MP ƒ/2.4 (Depth Sensor) |
| Auto Focus | Yes | Yes |
| Features | Night, Videos, Photos, Portrait, Expert, Extra HD, Panoramic, Time-lapse, Slow-motion, Sticker, Text scanner, and Google Lens | Pro, Video, Photo, Portrait, Night, Hi-Res, Pano, Slo-Mo, Time-Lapse, Dual-View Video, Sticker, and Text Scanner |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 60 fps FHD, 720p @ 30 fps HD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 8 MP ƒ/2 (Wide Angle) Screen Flash | 8 MP (Wide Angle) Punch Hole |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
Technical
| OS | Android v12 | Android v14 |
| Custom UI | ColorOS 14 | |
| Chipset | Mediatek Dimensity 700 5G | mediatek Dimensity 6300 |
| CPU | 2.2 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Core Details | 2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55 | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz |
| GPU | Mali-G57 MC2 | Arm Mali-G57 MC2 |
| Java | No | No |
| Browser | Yes | Yes |
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 | 5100 mAh, Li-ion Battery |
| Fast Charging | Yes, 33W Fast Charging | Yes, 45W Fast charging |
Discuss
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