Realme C51 vs Xiaomi Redmi A5 4G (4GB RAM + 128GB)
Quick Comparison
Both Realme C51 and Xiaomi Redmi A5 4G (4GB RAM + 128GB) comes with same RAM. In terms of display resolution, Xiaomi Redmi A5 4G (4GB RAM + 128GB) has better resolution of 1650 x 720 than Realme C51 which has resolution of 1600 x 720. Xiaomi Redmi A5 4G (4GB RAM + 128GB) has more internal memory than Realme C51
| Name | Realme C51 | Xiaomi Redmi A5 4G (4GB RAM + 128GB) |
| RAM | 4 GB | 4 GB |
|---|---|---|
| Display | 6.74 in | 6.88 in |
| Internal Memory | 64 GB | 128 GB |
| Battery | 5000 mAh | 5200 mAh |
| Camera | 50 MP + 0.08 MP Dual | 32 MP |
| Price | Rs. 8999 | Rs. 7499 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is September 04, 2023. The cost of Realme C51 is Rs. 8999. The launch Date of the second phone is March 21, 2025. The cost of Xiaomi Redmi A5 4G (4GB RAM + 128GB) is Rs. 7499.
Display comparison
Realme C51 has screen size of 6.74 inches which falls short to Xiaomi Redmi A5 4G (4GB RAM + 128GB)'s 6.88 inch screen. There is IPS Screen Type in both the phones. Both have same 262 PPI. In terms of screen to body ratio, Realme's phone has better screen to body ratio of ~ 90.3% than Xiaomi's phone ~ 84.1%. Realme C51 has 20.1:9 aspect ratio where as Xiaomi Redmi A5 4G (4GB RAM + 128GB) has 20.5:9 aspect ratio.
Memory comparison
Both phones come with 4 GB RAM Xiaomi Redmi A5 4G (4GB RAM + 128GB) has more Internal Memory (128 GB) than Realme C51 (64 GB).
Camera comparison
Realme C51's 50 MP + 0.08 MP Dual Rear Camera outshines Xiaomi Redmi A5 4G (4GB RAM + 128GB)'s 32 MP Rear Camera in terms of resolution. Xiaomi Redmi A5 4G (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 Realme C51's 5 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 13 and the second one on 15 version.
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Full Comparison
| Name | Realme C51 | Xiaomi Redmi A5 4G (4GB RAM + 128GB) |
| General | ||
| Country of Origin | India | India |
| Model | C51 | 25028RN03I |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | September 04, 2023 | March 21, 2025 |
| In The Box | Handset, 15W Charger, Type C USB Cable, Sim Eject Tool, Quick Start Guide, Warranty Card | |
| Design | ||
| Dimensions | 76.67 x 167.16 x 7.99 mm | 77.8 x 171.7 x 8.3 mm |
| Weight | 186 g | 193 g |
| Colors | Carbon Black, Mint Green | Jaisalmer Gold, Pondicherry Blue, Just Black |
| Display | ||
| Type | Color IPS Screen (16.7M) | Color IPS Screen (16M Colors) |
| Touch | Yes, 180 Hz Touch Sampling Rate | Yes |
| Size | 6.74 inches, 720 x 1600 pixels, 90 Hz | 6.88 inches, 720 x 1650 pixels, 120 Hz |
| Aspect Ratio | 20.1:9 | 20.5:9 |
| PPI | ~ 262 PPI | ~ 262 PPI |
| Screen to Body Ratio | ~ 90.3% | ~ 84.1% |
| Features | Brightness: 560 nit, Color Saturation: 96% NTSC, Sunlight Screen Support, Screen Contrast: 1500:1, | 600nits Peak Brightness, TUV Eye Care Triple Certification |
| Notch | Yes, Water Drop Notch | Yes, Water Drop Notch |
| Memory | ||
| RAM | 4 GB | 4 GB |
| Expandable RAM | Upto 4 GB Extra Virtual RAM | Upto 4 GB Extra Virtual RAM |
| Storage | 64 GB | 128 GB |
| Card Slot | Yes, upto 2 TB | Yes, upto 2 TB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | 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) | Supports 2.4 GHz and 5 GHz Dual Band |
| Bluetooth | Yes, v5.0 | Yes, v5.2 |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | No | |
| Extra | ||
| GPS | with AGPS, BEIDOU, GALILEO | GPS, AGPS, GLONASS, BEIDOU |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Magnetic Induction Sensor, Light Sensor, Proximity Sensor, Gyro Meter (Soft Gyroscope), Acceleration Sensor | Virtual Proximity Sensor, Virtual Ambient Light Sensor, Accelerometer, E Compass |
| 3.5mm Headphone Jack | Yes | Yes |
| Water Resistance | No | |
| Splash Resistant | Yes | |
| IP Rating | IP52 | |
| 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 | eMMC 5.1, 2 Android Major Updates, 4 Years of Security Patch Updates |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 0.08 MP ƒ/3 Black and White | 32 MP ƒ/1.8 (Wide Angle) |
| Auto Focus | Yes | Yes |
| Features | 50MP Mode, Video, Night Mode, Panoramic View, Expert, Timelapse, Portrait Mode, HDR, AI Scene Recognition, Filter, Slow Motion | Photo Mode, Ultra HD Mode, Portrait Mode, Night Mode, Timelapse, Video |
| Video Recording | 1080p @ 30 fps FHD, 720p | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 5 MP ƒ/2 (Wide Angle) Screen Flash | 8 MP ƒ/2 (Wide Angle) |
| Front Video Recording | 720p @ 30 fps HD, 480p | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v13 | Android v15 |
| Custom UI | Realme UI T-edition | |
| Chipset | Unisoc T612 | Unisoc T7250 |
| CPU | 1.8 GHz, Octa Core Processor | 1.8 GHz, Octa Core Processor |
| GPU | Mali-G57 | Mali-G57 MP1 |
| Java | No | No |
| Browser | Yes | Yes, supports HTML5 |
| Multimedia | ||
| Yes | Yes | |
| Music | AAC, APE, FLAC, AMR, MID, MP3, OGG, WAV, WMA, MKA | MP3, AMR, FLAC, APE |
| Video | MP4, 3GP, ASF, AVI, FLV, M2TS, MKV, MPG, TS, WEBM, WMV | MP4, M4V. MKV, XVID |
| FM Radio | No | Yes, with FM Recording |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-Po Battery | 5200 mAh, Li-Po Battery |
| Fast Charging | Yes, 33W | Yes, 15W Fast Charging |
| Reverse Charging | Yes | |