On this page we compare specs HTC One A9s Octa-core (4x1.8 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) with HTC Desire 820 Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 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 One A9s | HTC Desire 820 |
|---|
| Operating system | Android 6.0 (Marshmallow); Sense UI | Android 4.4.2 (KitKat), upgradable to 6.1 (Marshmallow); Sense UI 7 |
| Processor | Octa-core (4x1.8 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) | Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53) |
| Chipset | Mediatek MT6755 Helio P10 (28 nm) | Qualcomm MSM8939 Snapdragon 615 (28 nm) |
| GPU | Mali-T860MP2 | Adreno 405 |
| Internal memory | 32 GB, 3 GB RAM16 GB, 2 GB RAM | 16 GB, 2 GB RAM |
| External memory | microSD, up to 256 GB (dedicated slot) | microSD, up to 256 GB (dedicated slot) |
| Display | HTC One A9s | HTC Desire 820 |
|---|
| Type | Super LCD | LCD |
| Size | 5" inc | 5.5" inc |
| Resolution | 720 x 1280 px | 720 x 1280 px |
| Protection | Corning Gorilla Glass (unspecified version) | Corning Gorilla Glass 3 |
| Touchscreen | capacitive touchscreen | capacitive touchscreen |
| Screen-to-Body Ratio | 65.8% | 67.2% |
| Display area | 68.9 cm2 | 83.4 cm2 |
| Display aspect ratio | 16:9 (height:width) | 16:9 (height:width) |
| Pixel Density | 294 PPI | 267 PPI |
| Colors | 16M | 16M |
| Connectivity | HTC One A9s | HTC Desire 820 |
|---|
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 - EMEA, Asia |
| 4G Network | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 28(700), 38(2600), 40(2300) | LTE band 3(1800), 7(2600), 8(900), 20(800) - Europe |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot |
| Network | GSM / HSPA / LTE | GSM / HSPA / LTE |
| SIM card | Nano-SIM | Nano-SIM |
| Bluetooth | 4.2, A2DP | 4.0, A2DP, aptX |
| Edge | Yes | Yes |
| GPRS | Yes | Yes |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS |
| NFC | Yes (payments only) | Yes (optional) |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| USB | microUSB 2.0 | microUSB 2.0, USB Host |
| Camera | HTC One A9s | HTC Desire 820 |
|---|
| Main camera | 13 MP, Single | 13 MP, Single |
| Specs | 13 MP, f/2.2, 28mm (wide), 1.12µm, AF | 13 MP, f/2.2, 28mm (wide), AF |
| Features | LED flash, panorama, HDR | LED flash, HDR |
| Video | 1080p@30fps | 1080p@30fps, 720p@60fps |
| Selfie camera | 5 MP, Single | 8 MP, Single |
| Multimedia | HTC One A9s | HTC Desire 820 |
|---|
| 3.5 mm Jack | Yes | Yes |
| Radio | FM radio | FM radio |
| Design | HTC One A9s | HTC Desire 820 |
|---|
| Colors | Black, Silver, Gold | Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tangerine White, Saffron Grey, Flamingo Grey, Blue Misty, Monarch Orange |
| Dimensions | 146.5 x 71.5 x 8 mm | 157.7 x 78.7 x 7.7 mm |
| Weight | 149.8 g | 155 g |
| Battery | HTC One A9s | HTC Desire 820 |
|---|
| Battery capacity | 2300 mAh, Non-removable Li-Ion | 2600 mAh, Non-removable Li-Po |
| Battery life | Stand by time- Up to 432 h (3G)
Talking time- Up to 13 h (3G)
| Stand by time- Up to 424 h (3G)
Talking time- Up to 22 h 24 min (3G)
|
| Other | HTC One A9s | HTC Desire 820 |
|---|
| Release date | 2016, September | 2014, September |
| Sensors | Fingerprint (front-mounted), accelerometer, proximity, compass | Accelerometer, proximity, compass |
