Vivo X21 UD vs Realme C55 (8GB RAM + 128GB)
Quick Comparison
Realme C55 (8GB RAM + 128GB) has better RAM than Vivo X21 UD. In terms of display resolution, Realme C55 (8GB RAM + 128GB) has better resolution of 2400 x 1080 than Vivo X21 UD which has resolution of 2280 x 1080. Both have the same amount of internal memory.
| Name | Vivo X21 UD | Realme C55 (8GB RAM + 128GB) |
| RAM | 6 GB | 8 GB |
|---|---|---|
| Display | 6.28 in | 6.72 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 3200 mAh | 5000 mAh |
| Camera | 12 MP + 5 MP Dual | 64 MP + 2 MP Dual |
| Price | Rs. 29990 | Rs. 13600 |
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Detailed Comparison
Price And Launch
The cost of Vivo X21 UD is Rs. 29990. The launch Date of the second phone is March 21, 2023. The cost of Realme C55 (8GB RAM + 128GB) is Rs. 13600.
Display comparison
Vivo X21 UD has screen size of 6.28 inches which falls short to Realme C55 (8GB RAM + 128GB)'s 6.72 inch screen. Vivo X21 UD has Super AMOLED Screen type where as Realme C55 (8GB RAM + 128GB) has IPS Screen type. Vivo's phone has display density of 402 PPI & Realme's phone has only 392 PPI display density. Vivo X21 UD has 19:9 aspect ratio where as Realme C55 (8GB RAM + 128GB) has 20.1:9 aspect ratio.
Memory comparison
Realme C55 (8GB RAM + 128GB)'s larger 8 GB RAM is better for playing games and all with respect to Vivo X21 UD's lower 6 GB RAM. and both have same Internal Memory of 128 GB.
Camera comparison
Realme C55 (8GB RAM + 128GB)'s 64 MP + 2 MP Dual Rear Camera outshines Vivo X21 UD's 12 MP + 5 MP Dual Rear Camera in terms of resolution. Vivo X21 UD will be better choice if you're looking to click lot of selfies as it has better 12 MP Front Camera in comparison to Realme C55 (8GB RAM + 128GB)'s 8 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 8.1 and the second one on 13 version.
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Full Comparison
| Name | Vivo X21 UD | Realme C55 (8GB RAM + 128GB) |
| General | ||
| Country of Origin | India | |
| 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 |
| Release Date | March 21, 2023 | |
| Design | ||
| Dimensions | 74.8 x 154.5 x 7.4 mm | 75.98 x 165.65 x 7.89 mm |
| Weight | 156 g | 189.5 g |
| Bezel less | No | |
| Colors | Sun Shower, Rainy Night | |
| Display | ||
| Type | Color Super AMOLED Screen (16M colors Colors) | Color IPS Screen (16.7M) |
| Touch | Yes | Yes, 180 Hz Touch Sampling Rate |
| Size | 6.28 inches, 1080 x 2280 pixels | 6.72 inches, 1080 x 2400 pixels, 90 Hz |
| Aspect Ratio | 19:9 | 20.1:9 |
| PPI | ~ 402 PPI | ~ 392 PPI |
| Screen to Body Ratio | ~ 91.4% | |
| Features | Brightness: 550 nit, Color Saturation: 96% NTSC, Sunlight Screen Support, Screen Contrast: 1500:1, | |
| Notch | Yes, Punch Hole | |
| Memory | ||
| RAM | 6 GB | 8 GB |
| Expandable RAM | Upto 8 GB Extra Virtual RAM | |
| Storage | 128 GB | 128 GB |
| Storage Type | UFS 2.2 | |
| Card Slot | Yes, (Hybrid Slot) | Yes, upto 1 TB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 5 (a/b/g/n/ac) (2.4 GHz | 5 GHz) | |
| Bluetooth | Yes | Yes, v5.2 |
| USB | Yes, microUSB | Yes, USB-C v2.0 |
| USB Features | USB on-the-go | USB on-the-go, USB Charging |
| Extra | ||
| GPS | Yes, with A-GPS Support | with AGPS, BEIDOU, GALILEO |
| Fingerprint Sensor | Yes | Yes, Side |
| Face Unlock | Yes | |
| Sensors | Accelerometer, Compass | Accelerometer, Proximity, Compass |
| 3.5mm Headphone Jack | Yes | Yes |
| Extra Features | Mini Capsule | |
| Camera | ||
| Rear Camera | 12 MP + 5 MP with autofocus | 64 MP PDAF f/1.79 (Wide Angle) 2 MP (Depth Sensor) with autofocus |
| Features | Face detection, Geo tagging, Panorama, Touch to focus | Photo, AI Beauty, Filter, AI Scene Recognition, Night Mode, Professional, Panoramic View, Portrait Mode, Street, HDR, 64MP Mode, Starry, Chroma Boost, Bokeh Flare Portrait, AI Color Portrait, Video Feature: Video, Video Filter, Slow Motion, Timelapse |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | 12 MP | Punch Hole 8 MP f/2 (Wide Angle) with Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v8.1 (Oreo) | Android v13 |
| Custom UI | realme UI 4.0 | |
| Chipset | Qualcomm Snapdragon 660 | Mediatek Helio G88 |
| CPU | 2.2 GHz, Octa Core Processor | 2 GHz, Octa Core Processor |
| Core Details | 2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55 | |
| GPU | Adreno 512 | Mali-G52 MC2 |
| Java | Yes, via 3rd party | No |
| Browser | Yes, supports HTML | Yes |
| Multimedia | ||
| Supports | MMS | |
| Yes, with Push Email | Yes | |
| Music | MP3, WAV, eAAC+, FLAC | AAC, APE, FLAC, AMR, MID, MP3, OGG, WAV, WMA, MKA |
| Video | MP4, H.264 | MP4, 3GP, ASF, AVI, FLV, M2TS, MKV, MPG, TS, WEBM, WMV |
| FM Radio | Yes | No |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 3200 mAh, Li-ion Battery | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 33W | |
| Reverse Charging | Yes | |