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| Mobiles | HTC Desire 526G | Samsung Galaxy M21 |
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| Technology | GSM / HSPA | GSM / HSPA / LTE |
| 2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G bands | HSDPA 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G bands | 1, 3, 5, 7, 8, 20, 38, 40, 41 | |
| Network Speed | HSPA 21.1/5.76 Mbps | HSPA 42.2/5.76 Mbps, LTE-A |
| WiFi | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| GPRS | Yes | |
| EDGE | Yes | |
| SAR US | SAR : 0.47 W/kg (head) | |
| SIM | Dual SIM (Micro-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| Announced | 2015, January | 2020, March 18 |
| Release Status | Available. Released 2015, January | Available. Released 2020, March 23 |
| Colors | Glacier blue, Stealth black, Lacquer black, Fervor red - 526G+ Glacier blue, Stealth black - 526G | Midnight Blue, Raven Black |
| Dimensions | 139.8 x 69.8 x 9.9 mm (5.50 x 2.75 x 0.39 in) | 159 x 75.1 x 8.9 mm (6.26 x 2.96 x 0.35 in) |
| Weight | 154 g (5.43 oz) | 188 g (6.63 oz) |
| Build | Glass front (Gorilla Glass 3), plastic back, plastic frame | |
| Display Type | Capacitive touchscreen, 16M colors | Super AMOLED capacitive touchscreen, 16M colors |
| Display Size | 4.7 inches (~62.4% screen-to-body ratio) | 6.4 inches, 100.5 cm2 (~84.2% screen-to-body ratio) |
| Screen Resolution | 540 x 960 pixels (~234 ppi pixel density) | 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) |
| Multitouch option | Yes | |
| Display Protection | Corning Gorilla Glass 3 | |
| USB Type | microUSB v2.0 | 2.0, Type-C 1.0 reversible connector |
| Battery | Removable Li-Ion 2000 mAh battery | Non-removable Li-Po 6000 mAh battery |
| Battery Talk Time | Up to 15 h (3G) | |
| Battery Standby Time | Up to 622 h (3G) | |
| Primary Camera | 8 MP, f/2.2, autofocus, LED flash | Triple : 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.2, (depth) |
| Camera features | Geo-tagging | HDR |
| Camera Video Quality | 1080p@30fps | 1080p@30fps |
| Secondary Camera | 2 MP, 720p | Single : 20 MP, f/2.0, 26mm (wide) |
| Operating System | Android OS, v4.4.2 (KitKat) | Android 10, One UI 2 |
| CPU | Octa-core 1.7 GHz - 526G+ model Quad-core 1.3 GHz - 526G model | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) |
| GPU | Mali-G72 MP3 | |
| Chipset | Exynos 9611 (10nm) | |
| Internal Memory | 8/16 GB, 1 GB RAM | 64GB 4GB RAM, 128GB 6GB RAM |
| Memory card slot | microSD, up to 32 GB (dedicated slot) | microSDXC (dedicated slot) |
| Alert types | Vibration; MP3, WAV ringtones | |
| 3.5mm jack | Yes | Yes |
| Loudspeaker | Yes | Yes |
| FM Radio | FM radio | FM radio, RDS, recording |
| Sensors | Accelerometer, proximity | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass |
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS, BDS |
| Bluetooth | v4.0, A2DP, aptX | 5.0, A2DP, LE |
| Messaging | SMS (threaded view), MMS, Email, Push Email | |
| Browser | HTML5 | |
| Java | No | |
| Additional features | - MP4/H.263 player - MP3/WAV player - Photo/video editor - Document viewer | Charging : Fast charging 15W |
| Price (Around) | 180 USD, 160 EUR, Rs. 12000 INR | ₹ 13,999 / $ 233.49 / £ 280.00 / € 213.39 |
Samsung Galaxy Core vs Samsung Galaxy M21