Side-by-side technical data
Realme C75 5G vs vivo Y21 5G
Comparison between Realme C75 5G and vivo Y21 5G: camera, battery, fast charging, display, performance and colors, side by side. More phones from Realme and vivo.
The verdict
Your pick: vivo Y21 5G, ahead on Camera and Connectivity. Unless Design & display decides it for you.
| Category | C75 5G | Y21 5G |
|---|---|---|
| Design & display | 6.6 | 5.8 |
| Performance & hardware | 4.5 | 4.4 |
| Camera | 3.4 | 3.8 |
| Connectivity | 6.5 | 6.8 |
| Battery & charging | 7.1 | 7.1 |
Which one is for you?
Realme C75 5G, if you care about…
- Storage Type
- UFS 2.2
- against eMMC 5.1
- Weight
- 190 g
- against 209 g
- Resistance Features
- IP64, IP68, IP69, MIL-STD-810H, Drop Resistant Up to 2 m
- against IP65, MIL-STD-810H
- Body Thickness
- 7.9 mm
- against 8.4 mm
vivo Y21 5G, if you care about…
- Battery Capacity
- 6,500 mAh
- against 6,000 mAh
- RAM Capacity
- 8 GB
- against 6 GB
- Bluetooth Version
- Bluetooth 5.4
- against Bluetooth 5.3
- Maximum Storage Capacity
- 256 GB
- against 128 GB
Specification comparison
Performance
| Specification | C75 5G | Y21 5G |
|---|---|---|
| Processor Model | MediaTek Dimensity 6300 | MediaTek Dimensity 6300 |
| Processor Process Size | 6 nm | 6 nm |
| Graphics GPU | Mali-G57 MC2 | Mali-G57 MC2 |
| Storage Type | UFS 2.2 Best value | eMMC 5.1 |
| Maximum CPU Clock | 2.4 GHz | 2.4 GHz |
| Maximum Storage Capacity | 128 GB | 256 GB Best value |
| AnTuTu Score | 420,000 Best value | 409,000 |
| Geekbench 6 Single-Core | 782 | — |
| Geekbench 6 Multi-Core | 2,012 | — |
| CPU Description | Octa-core CPU with 2x2.4 GHz Cortex-A76 and 6x2.0 GHz Cortex-A55 cores | Octa-core: 2x2.4 GHz Cortex-A76 and 6x2.0 GHz Cortex-A55 |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 6 GB | 8 GB Best value |
| RAM Type | LPDDR4X | LPDDR4X |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v10 | v10 |
Design
| Specification | C75 5G | Y21 5G |
|---|---|---|
| Body Colors | Purple, White, Silver, Green | Gold, Blue, Black, Silver |
| Body Thickness | 7.9 mm Best value | 8.4 mm |
| Body Width | 76.2 mm | 77.1 mm |
| Body Height | 165.7 mm | 167.4 mm |
| Weight | 190 g Best value | 209 g |
| Usable Surface | 84.9 % | 85 % Best value |
| Body Materials | Plastic | Glass, Plastic |
| Resistance Features | IP64, IP68, IP69, MIL-STD-810H, Drop Resistant Up to 2 m Best value | IP65, MIL-STD-810H |
| Drop Resistance Class | B | A Best value |
| Repairability Class | B Best value | C |
| Drop Test Count | 180 | 270 Best value |
| Unfolded thickness | — | 8.4 mm |
Battery
| Specification | C75 5G | Y21 5G |
|---|---|---|
| Battery Efficiency Rating | A | A |
| Battery Capacity | 6,000 mAh | 6,500 mAh Best value |
| Battery Type | Li-Polymer | Li-Ion |
| Fast Charge Power | 45 W Best value | 44 W |
| Battery Features | Fast Charging, Reverse Charging, Non-Removable, Battery Level Indicator, Charger Included, Rechargeable | Fast Charging, Reverse Charging, Non-Removable |
| Battery Endurance | 65 h 33 min | 67 h 13 min Best value |
| Charge cycles | 1,000 | 1,600 Best value |
Display
| Specification | C75 5G | Y21 5G |
|---|---|---|
| Display Aspect Ratio | 20:9 | 20:9 |
| Display Technology | IPS LCD | IPS LCD |
| Peak Display Brightness | 950 nits | 1,200 nits Best value |
| Display Diagonal | 6.67″ | 6.74″ Best value |
| Display Horizontal Resolution | 720 px | 720 px |
| Display Vertical Resolution | 1,604 px Best value | 1,600 px |
| Display Pixel Density | 264 ppi Best value | 260 ppi |
| Display Refresh Rate | 120 Hz | 120 Hz |
| Touch Sampling Rate | 180 Hz | — |
| Display Contrast Ratio | 1,500 :1 | — |
| Display Features | Mohs Level 5, Hole-Punch Notch, TÜV Rheinland Eye Comfort Certification, DCI-P3, Scratch Resistant, Capacitive Touch, Multi-Touch, Frameless, Touchscreen | Mohs Level 4, Water Drop Notch, TÜV Rheinland Low Blue Light, Scratch Resistant, Capacitive Touch, Multi-Touch, Frameless, 120Hz |
Sensors
| Specification | C75 5G | Y21 5G |
|---|---|---|
| Fingerprint Sensor Placement | Side | Side |
Sensor
| Specification | C75 5G | Y21 5G |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Cooling System, Gyroscope, Light Sensor | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass, Light Sensor |
Software
| Specification | C75 5G | Y21 5G |
|---|---|---|
| Operating System | Android 15 | Android 16 |
| OS Family | Android | Android |
| OS Version | 15 | 16 Best value |
| OS Update Support | — | 5 years |
| Google Services | Yes | Yes |
Connectivity
| Specification | C75 5G | Y21 5G |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby | Dual Nano-SIM, Dual SIM Dual Standby |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B8, LTE B28, 4G LTE B28B, 4G LTE B38, 4G LTE B40, 4G LTE B41, 5G NR n1, 5G NR n3, 5G NR n5, 5G NR n8, 5G NR n28b, 5G NR n40, 5G NR n41, 5G NR n77, 5G NR n78 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B4, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B19, 4G LTE B20, 4G LTE B28A, 4G LTE B28B, 4G LTE B38, 4G LTE B40, 4G LTE B41, 4G LTE B66, 4G LTE B71, 5G NR n1, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n20, 5G NR n28a, 5G NR n28b, 5G NR n38, 5G NR n40, 5G NR n41, 5G NR n66, 5G NR n71, 5G NR n77, 5G NR n78 |
| Cellular Technologies | GSM, HSPA, UMTS, LTE, 4G, 5G | GSM, HSPA, LTE, 5G |
| Wi-Fi Standards | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 802.11a/b/g | Wi-Fi 802.11a/b/g/n/ac |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, Wi-Fi 802.11a/b/g/n/ac | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display |
| Bluetooth Version | Bluetooth 5.3 | Bluetooth 5.4 Best value |
| Bluetooth Profiles | A2DP, LE, EDR, HID | A2DP, EDR, HID, LE |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS | GPS, A-GPS, GLONASS, BeiDou, QZSS, Galileo |
| Connectivity Features | 3.5 mm Audio Jack, USB Type-C, USB Charging, USB Mass Storage, USB Host 2.0, USB OTG, Computer Sync, OTA Sync, Tethering, VoLTE, NFC, USB 2.0 | 3.5 mm Audio Jack, Infrared, USB Charging, USB Mass Storage, USB Host 2.0, USB OTG, USB Type-C, NFC, Computer Sync, OTA Sync, FM Radio, Tethering, VoLTE |
| USB Version | USB 2.0 | USB 2.0 |
| Max. download speed | 3,300 Mbps | — |
Audio
| Specification | C75 5G | Y21 5G |
|---|---|---|
| Microphone Count | 1 | — |
| Audio Features | A2DP, LE, Loudspeaker, 24-bit/192kHz Audio, Hi-Res Audio, Noise-Cancellation Microphone, Two Microphones, EDR, HID | Stereo Speakers, Bluetooth, A2DP, EDR, HID, LE Best value |
Technical
| Specification | C75 5G | Y21 5G |
|---|---|---|
| Model numbers | RMX3943 | V2553, V2554 |
