On this page we compare specs HTC Desire 21s Qualcomm SM7125 Snapdragon 720G (8 nm) with Oppo A3s Octa-core 1.8 GHz Cortex-A53, we compare external dimensions, compare screens and performance, the amount of RAM and memory for storing media data, battery capacity and characteristics of photo cameras, compare the presence of various sensors and functions.
Hardware and OS | HTC Desire 21s | Oppo A3s |
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Operating system | Android v11 | Android 8.1 (Oreo); ColorOS 5.1 |
Processor | Qualcomm SM7125 Snapdragon 720G (8 nm) | Octa-core 1.8 GHz Cortex-A53 |
Chipset | | Qualcomm SDM450 Snapdragon 450 (14 nm) |
RAM | 8 GB | |
GPU | | Adreno 506 |
Internal Storage | 128 GB | |
Internal memory | | 16 GB, 2 GB RAM |
External memory | | microSD, up to 256 GB (dedicated slot) |
Display | HTC Desire 21s | Oppo A3s |
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Type | IPS LCD | IPS LCD |
Size | 6.6 inches | 6.2" inc |
Resolution | 720 x 1600 Pixels | 720 x 1520 px |
Aspect ratio | 20:9 | |
Touchscreen | Yes, Capacitive Touchscreen, Multi-touch | capacitive touchscreen |
Screen-to-Body Ratio | | 81.2% |
Display area | | 95.9 cm2 |
Display aspect ratio | | 19:9 (height:width) |
Pixel Density | 270 ppi | 271 PPI |
Colors | | 16M |
Connectivity | HTC Desire 21s | Oppo A3s |
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Network support | 4G , 3G, 2G | |
Dual SIM | Dual SIM, GSM GSM | |
SIM size | SIM1: Nano, SIM2: Nano | |
2G Network | | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
USB connectivity | Mass storage device, USB charging | |
3G Network | | HSDPA 850 / 900 / 2100 |
4G Network | | LTE |
Wi-Fi | Yes, Wi-Fi 802.11, b/g/n | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot |
Network | | GSM / HSPA / LTE |
SIM card | | Dual SIM (Nano-SIM, dual stand-by) |
Bluetooth | Yes, v5.0 | 4.2, A2DP, LE |
Edge | | Yes |
GPRS | | Yes |
GPS | Yes, with A-GPS, Glonass | Yes, with A-GPS |
Speed | | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
USB | | microUSB 2.0, USB On-The-Go |
Camera | HTC Desire 21s | Oppo A3s |
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Front camera resolution | 20 MP Primary Camera | |
Camera features | Digital Zoom, Auto Flash, Face detection, Touch to focus | |
Flash | Yes, LED Flash | |
Autofocus | Yes | |
Video recording | Yes | |
Main camera | | 13 MP, Dual |
Specs | | 13 MP, f/2.2, AF -2 MP, f/2.4, depth sensor |
Features | | LED flash, HDR, panorama |
Video | | 1080p@30fps |
Selfie camera | | 8 MP, Single |
Multimedia | HTC Desire 21s | Oppo A3s |
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Loudspeaker | Yes | |
3.5 mm Jack | | Yes |
Radio | | FM radio |
Design | HTC Desire 21s | Oppo A3s |
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Height | 164.9 mm | |
Width | 75.7 mm | |
Thickness | 9 mm | |
Colours | Dawn Orange, Twilight Black | |
Colors | | Red, Dark Purple |
Dimensions | | 156.2 x 75.6 x 8.2 mm |
Weight | 203 grams | 168 g |
Battery | HTC Desire 21s | Oppo A3s |
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Capacity | 5200 mAh | |
Type | Lithium Polymer | |
Battery capacity | | 4230 mAh, Non-removable Li-Ion |
Other | HTC Desire 21s | Oppo A3s |
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Fingerprint sensor | Yes | |
Fingerprint sensor position | Rear | |
Other sensors | Accelerometer, Gyro, Proximity, Compass | |
Release date | | 2018, July |
Sensors | | Accelerometer, proximity, compass |