Oppo A5x 5G vs Realme C51 (4GB RAM + 128 GB)
Quick Comparison
Both Oppo A5x 5G and Realme C51 (4GB RAM + 128 GB) comes with same RAM. In terms of display resolution, Oppo A5x 5G has better resolution of 1604 x 720 than Realme C51 (4GB RAM + 128 GB) which has resolution of 1600 x 720. Both have the same amount of internal memory.
| Name | Oppo A5x 5G | Realme C51 (4GB RAM + 128 GB) |
| RAM | 4 GB | 4 GB |
|---|---|---|
| Display | 6.67 in | 6.74 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 6000 mAh | 5000 mAh |
| Camera | 32 MP | 50 MP + 0.08 MP Dual |
| Price | Rs. 10350 | Rs. 9499 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is May 23, 2025. The cost of Oppo A5x 5G is Rs. 10350. The launch Date of the second phone is September 04, 2023. The cost of Realme C51 (4GB RAM + 128 GB) is Rs. 9499.
Display comparison
Realme C51 (4GB RAM + 128 GB) has larger screen size of 6.74 inches in comparison to Oppo A5x 5G's 6.67 inch screen. Both the phones have IPS Screen Type. OPPO's phone has display density of 264 PPI & Realme's phone has only 262 PPI display density. In terms of screen to body ratio, Realme's phone has better screen to body ratio of ~ 90.3% than OPPO's phone ~ 84.9%.
Memory comparison
Both mobiles come with 4 GB RAM and both have same Internal Memory of 128 GB.
Camera comparison
Realme C51 (4GB RAM + 128 GB)'s 50 MP + 0.08 MP Dual Rear Camera outclasses Oppo A5x 5G's 32 MP Rear Camera in terms of resolution. Both of them stand equal in terms of Front Camera Resolution as both have 5 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 13 version.
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Full Comparison
| Name | Oppo A5x 5G | Realme C51 (4GB RAM + 128 GB) |
| General | ||
| Model | C51 | |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano SIM | Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | May 23, 2025 | September 04, 2023 |
| In The Box | Phone x 1, Charger x 1, USB Data Cable x 1, SIM Ejector Tool x 1, Safety Guide x 1, Quick Guide x 1, Protective Case x 1 | |
| Design | ||
| Dimensions | 76.2 x 165.7 x 8 mm | 76.67 x 167.16 x 7.99 mm |
| Weight | 193 g | 186 g |
| Bezel less | No | |
| Colors | Tranquil Lake Green, Laser White | Carbon Black, Mint Green |
| Display | ||
| Type | Color IPS Screen (16.7 M) | Color IPS Screen (16.7M) |
| Touch | Yes | Yes, 180 Hz Touch Sampling Rate |
| Size | 6.67 inches, 720 x 1604 pixels, 120 Hz | 6.74 inches, 720 x 1600 pixels, 90 Hz |
| Aspect Ratio | 20.1:9 | |
| PPI | ~ 264 PPI | ~ 262 PPI |
| Screen to Body Ratio | ~ 84.9% | ~ 90.3% |
| Brightness | 1000 nits (HBM) | |
| Features | Brightness: 560 nit, Color Saturation: 96% NTSC, Sunlight Screen Support, Screen Contrast: 1500:1, | |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
| Memory | ||
| RAM | 4 GB | 4 GB |
| RAM Type | LPDDR4X | |
| Expandable RAM | Upto 4 GB Extra Virtual RAM | |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | |
| Card Slot | Yes, (Hybrid Slot) | Yes, upto 2 TB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | IEEE 802.11 a/b/g/n/ac (WiFi 4, WiFi 5) (2.4 GHz | 5 GHz) | |
| Bluetooth | Yes, v5.1 | Yes, v5.0 |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging, USB Storage | USB on-the-go, USB Charging |
| Extra | ||
| GPS | Yes with A-GPS | with AGPS, BEIDOU, GALILEO |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Proximity, Compass | Magnetic Induction Sensor, Light Sensor, Proximity Sensor, Gyro Meter (Soft Gyroscope), Acceleration Sensor |
| 3.5mm Headphone Jack | Yes | Yes |
| Water Resistance | Yes | No |
| IP Rating | IP65 | |
| Dust Resistant | Yes | |
| Extra Features | Mini Capsule, Press to Answer Calls, Wake Up Voice Assistant, Switch The Music, Night Shield Google Lens, Data Backup, Office Tools, World Time | |
| Camera | ||
| Rear Camera | 32 MP ƒ/1.9 (Wide Angle) | 50 MP ƒ/1.8 (Wide Angle) 0.08 MP ƒ/3 Black and White |
| Auto Focus | Yes | Yes |
| Features | HDR, Panorama | 50MP Mode, Video, Night Mode, Panoramic View, Expert, Timelapse, Portrait Mode, HDR, AI Scene Recognition, Filter, Slow Motion |
| Video Recording | Yes | 1080p @ 30 fps FHD, 720p |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 5 MP ƒ/2.2 (Wide Angle) Punch Hole | 5 MP ƒ/2 (Wide Angle) Screen Flash |
| Front Video Recording | 720p | 720p @ 30 fps HD, 480p |
| Technical | ||
| OS | Android v15 | Android v13 |
| Custom UI | ColorOS 15 | Realme UI T-edition |
| Chipset | Mediatek Dimensity 6300 | Unisoc T612 |
| CPU | 2.4 GHz, Octa Core Processor | 1.8 GHz, Octa Core Processor |
| Core Details | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz | |
| GPU | Mali-G57 MC2 | Mali-G57 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | AAC, APE, FLAC, AMR, MID, MP3, OGG, WAV, WMA, MKA |
| Video | Yes | MP4, 3GP, ASF, AVI, FLV, M2TS, MKV, MPG, TS, WEBM, WMV |
| FM Radio | No | No |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6000 mAh | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 45W SUPERVOOC Charging | Yes, 33W |
| Reverse Charging | Yes | |