Acer Liquid S1 Duo (S510) vs HTC Desire 820 (4G LTE)
Side by side comparison between Acer Liquid S1 vs HTC Desire 820 phones, differences, pros, cons and full specifications. What's the better?
,
5.7"
TFT
TFT
720x1280
8
MP
MP
2mp
1GB
RAM
RAM
Quad-core
2400
mAh
mAh
(Removable)
vs
5.5"
SLCD3
SLCD3
720x1280
13
MP
MP
8mp
2GB
RAM
RAM
Octa-core
2600
mAh
mAh
(Non removable)
What's the better phone? HTC Desire 820 (4G LTE)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
6 Advantages 
16 Advantages | 19 Common items in both devices |
| 16 million |
| 720x1280 pixels |
| LED flash |
| Only digital zoom |
| Autofocus |
| HDR photo only main camera |
| Full HD (1920x1080) |
| +12 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Acer Liquid S1 Duo (S510) | HTC Desire 820 (4G LTE) | |
| Model | Liquid S1 Duo (S510) | Desire 820 (4G LTE) |
| Other model names | Acer Liquid S1 S510, Acer Liquid S1 Dual-Sim HM.HDTAA.001 | HTC Desire 820 LTE-A, HTC A50 |
| Country or region available |    (Global, International), Canada, USA | feature not registered |
| Brand | Acer | HTC |
| Release date | 8/1/2013 | 10/1/2014 |
| Depth | 9.6 millimeters (0.38 inches) | 7.7 millimeters (0.3 inches) |
| Size (width x height) | 83 x 163 millimeters (3.27 x 6.42 in) | 78.7 x 157.7 millimeters (3.1 x 6.21 in) |
| Weight | 195 grams (6.83 ounces) | 155 grams (5.43 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Acer Liquid S1 Duo (S510) | HTC Desire 820 (4G LTE) | |
| Display type | TFT LCD | TFT Super LCD 3 |
| Screen size | 5.7" inches | 5.5" inches |
| Screen-to-body ratio | ~66.2% (screen-to-body ratio) | ~67.2% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 258 PPI | 267 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Acer Liquid S1 Duo (S510) | HTC Desire 820 (4G LTE) | |
| System version | Android 4.2.2 Jelly Bean | Android 4.4.2 KitKat |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Acer Liquid S1 Duo (S510) | HTC Desire 820 (4G LTE) | |
| Chipset | 32bit: MediaTek MT6589T Turbo (28nm) | 64bit: Qualcomm Snapdragon 615 MSM8939 (28nm) |
| CPU | Quad-core, 1 processor: 4x 1.5GHz ARM Cortex-A7 (Quad-core) | Octa-core, 2 processors: 4x 1.5GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | PowerVR SXG544 MP2 357Mhz | Qualcomm Adreno 405 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Acer Liquid S1 Duo (S510) | HTC Desire 820 (4G LTE) | |
| RAM memory | 1GB LPDDR2 | 2GB LPDDR3 |
| Internal storage | 8GB (5.59GB available) | 16GB (12GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 128GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Acer Liquid S1 Duo (S510) | HTC Desire 820 (4G LTE) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 42/5.76 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 900/2100 | UMTS 850/900/1900/2100 - ASIA: 900/2100 |
| Primary 4G network | Not supported | LTE 900/1800/2100/2600 - ASIA: 1900/2300/2500/2600 |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Acer Liquid S1 Duo (S510) | HTC Desire 820 (4G LTE) | |
| Back camera (main camera) | 8 megapixels | 13 megapixels |
| Main camera resolution | 3264x2448 pixels | 4160x3120 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo only main camera | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Acer Liquid S1 Duo (S510) | HTC Desire 820 (4G LTE) | |
| Front camera (secondary) | 2 megapixels | 8 megapixels |
| Front camera resolution | 1600x1200 pixels | 3264x2448 pixels |
| Video recording (secondary) | HD (1280x720) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Acer Liquid S1 Duo (S510) | HTC Desire 820 (4G LTE) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, AAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Acer Liquid S1 Duo (S510) | HTC Desire 820 (4G LTE) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.0 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Acer Liquid S1 Duo (S510) | HTC Desire 820 (4G LTE) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Acer Liquid S1 Duo (S510) | HTC Desire 820 (4G LTE) | |
| Battery type | LiPo: li-ion polymer (Removable) BAT-E10 | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 2400 mAh | 2600 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 11 hours | 22 hours |
| Standby | 450 hours (18.8 days) | 424 hours (17.7 days) |
➕ Other features | ||
| Acer Liquid S1 Duo (S510) | HTC Desire 820 (4G LTE) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (Swype), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: White, Black • DTS sound • Acer Float UI • WiFi hotspot | • Colors: White, Grey, Tangerine, Blue, Orange • HTC Sense UI 6.0 • HTC BoomSound • Face Fusion • Java framework |
☢️ Radiation rate | ||
| Acer Liquid S1 Duo (S510) | HTC Desire 820 (4G LTE) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.44W/kg (head), 0.41W/kg (body) | feature not registered |