Realme C21Y vs Samsung Galaxy J5 SM-J500F
| Type | Touch | Touch | Touch | Touch |
| Dimensions | 164.50 x 76.00 x 9.10 mm | 142.10 x 71.80 x 7.90 mm | 154.20 x 72.70 x 8.30 mm | 164.00 x 75.40 x 7.90 mm |
| Weight | 194.00 g | 146.00 g | 150.00 g | 177.00 g |
| Display size | 6.50" | 5.00" | 5.70" | 6.52" |
| Display | Color / IPS TFT 16M colors 60 Hz 720 x 1600 px (6.50") 270 ppi | Color / Super AMOLED 16M colors 720 x 1280 px (5.00") 294 ppi | Color / IPS TFT 16M colors 720 x 1440 px (5.70") 282 ppi | Color / IPS TFT 16M colors 60 Hz 720 x 1600 px (6.52") 269 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
| Corning Gorilla Glass Buy screen protector
| ||
| Additional display | ||||
| Protection of the secondary display | ||||
| Playback time (max.) | nd | Audio: 62 h (2.6 days) Video: 13 h (0.5 days) | nd | nd |
| Internet browsing time (max.) | nd | WiFi: 11 h (0.5 days) 3G: 9 h (0.4 days) 4G: 9 h (0.4 days) | nd | nd |
| Standard battery | Li-Po 5000 mAhBuy powerbank
| Li-Ion 2600 mAhBuy powerbank
| Li-Ion 3075 mAhBuy powerbank
| Li-Po 4230 mAhBuy powerbank
|
| Quick battery charging | ||||
| Wireless battery charging | ||||
| Internal memory | 32 GB, 64 GB | 8 GB | 32 GB, 64 GB | 64 GB, 128 GB |
| End-user memory | 44 GB | |||
| RAM memory | 3 GB, 4 GB | 1.5 GB | 3 GB, 4 GB | 4 GB |
| Memory cards | microSD, microSDHC, microSDXC up to 256 GBBuy memory card | microSD, microSDHC, microSDXC up to 128 GBBuy memory card | microSD, microSDHC, microSDXC | microSD, microSDHC, microSDXC up to 256 GBBuy memory card |
| Operating system | Android 11 | Android 5.1 Lollipop | Android 8.1 Oreo | Android 10 |
| Interface | realme UI | - | Sense | ColorOS 7.2 |
| Processor | Unisoc Tiger T610 UMS512 | Qualcomm Snapdragon 410 8916 | Qualcomm Snapdragon 435 8940 | MediaTek Helio P35 MT6765 |
| Processor clock | 1800 MHz | 1200 MHz | 1400 MHz | 2300 MHz |
| GPU | ARM Mali G52 MP2 @614 MHz | Adreno 306 | Adreno 505 | PowerVR GE8320 @680 MHz |
| Touchscreen | ||||
| SAR (10g) | 0,364 W/kg | |||
| DualSIM | ||||
| SIM cards standard | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) | |
| DualSIM mode | dual standby | nd | dual standby | dual standby |
| Hybrid DualSIM | nd | |||
| Announced | 2Q 2021 | 2Q 2015 | 4Q 2018 | 4Q 2020 |
| Other names | RMX3261; RMX3263 | SM-J500FZ; SM-J500F/DS | - | CPH2179 |
| GSM frequencies | 850 900 1800 1900 | 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS | 850 900 2100 | 850 900 1900 2100 | 850 900 1900 2100 | 850 900 2100 |
| LTE standard | FDD LTE: 2600, 2100, 1800, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300 | FDD LTE: 2100, 1800, 900, 850, 800 TDD LTE: 2300 | FDD LTE: 2600, 2100, 1800, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300 | FDD LTE: 2100, 1800, 900, 850 TDD LTE: 2600, 2500, 2300 |
| Standard 5G | ||||
| CDMA | ||||
| Standard TD-SCDMA | 1900 2000 | |||
| UMA |



