Blu Studio 5.3 II (D540) vs LG Viper 4G LTE (LS840)
Side by side comparison between Blu Studio 5.3 II vs LG Viper 4G LTE phones, differences, pros, cons and full specifications. What's the better?
,
5.3"
IPS
IPS
540x960
8
MP
MP
2mp
512MB
RAM
RAM
Dual-core
2200
mAh
mAh
(Removable)
vs
What's the better phone? Blu Studio 5.3 II (D540)
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!
12 Advantages 
9 Advantages | 17 Common items in both devices |
| Until 32GB microSD, microSDHC |
| TFT IPS LCD / TFT NOVA IPS |
| 16 million |
| Only digital zoom |
| Autofocus |
| Capacitive |
| Multitouch |
| +10 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 | ||
| Blu Studio 5.3 II (D540) | LG Viper 4G LTE (LS840) | |
| Model | Studio 5.3 II (D540) | Viper 4G LTE (LS840) |
| Other model names | BLU Studio 5.3 2 D540i, Blu Studio 5.3 II D540a | Sprint LG Viper LS840 CDMA + LTE |
| Country or region available | feature not registered |  USA |
| Brand | Blu | LG |
| Release date | 2/1/2013 | 4/22/2012 |
| Depth | 10.8 millimeters (0.43 inches) | 11.7 millimeters (0.46 inches) |
| Size (width x height) | 77 x 150 millimeters (3.03 x 5.91 in) | 62 x 116.6 millimeters (2.44 x 4.59 in) |
| Weight | 210 grams (7.35 ounces) | 142 grams (4.97 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Blu Studio 5.3 II (D540) | LG Viper 4G LTE (LS840) | |
| Display type | TFT IPS LCD | TFT NOVA IPS |
| Screen size | 5.3" inches | 4" inches |
| Screen-to-body ratio | ~67% (screen-to-body ratio) | ~63% (screen-to-body ratio) |
| Display resolution | 540x960 pixels | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 208 PPI | 233 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Blu Studio 5.3 II (D540) | LG Viper 4G LTE (LS840) | |
| System version | Android 4.1.2 Jelly Bean | Android 2.3.6 Gingerbread |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Blu Studio 5.3 II (D540) | LG Viper 4G LTE (LS840) | |
| Chipset | 32bit: MediaTek MT6577 | 32bit: Qualcomm Snapdragon MSM8660 |
| CPU | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) | Dual-core, 1 processor: 2x 1.2GHz Scorpion (Dual-core) |
| GPU graphical controller | PowerVR SGX531 | Qualcomm Adreno 220 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Blu Studio 5.3 II (D540) | LG Viper 4G LTE (LS840) | |
| RAM memory | 512MB LPDDR2 | 1GB LPDDR2 |
| Internal storage | 4GB (2GB available) | 4GB (1.68GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Blu Studio 5.3 II (D540) | LG Viper 4G LTE (LS840) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 7.2/5.76 Mbps | 75/25 Mbps |
| Network technology | 2G, 3G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Not supported |
| Primary 2G network | GSM 850/900/1800/1900 | CDMA 800/1900 |
| Primary 3G network | UMTS D540a: 850/1900 - D540i: 850/2100 | CDMA2000 1xEV-DO |
| Primary 4G network | Not supported | LTE 1900 |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA | CDMA2000 EV-DO Rev A, LTE |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Blu Studio 5.3 II (D540) | LG Viper 4G LTE (LS840) | |
| Back camera (main camera) | 8 megapixels | 5 megapixels |
| Main camera resolution | 3264x2448 pixels | 2560x1920 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | Full HD (1920x1080) 24 fps |
| Flash | Dual-LED flash | LED flash |
| 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 |
| Autofocus | Autofocus | Autofocus |
| Touch focus | Supported | Not supported |
| Image stabilization | feature not registered | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Blu Studio 5.3 II (D540) | LG Viper 4G LTE (LS840) | |
| Front camera (secondary) | 2 megapixels | 0.3 megapixels |
| Front camera resolution | 1600x1200 pixels | 640x480 pixels |
| Video recording (secondary) | Not supported | VGA (640x480) |
| 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 | ||
| Blu Studio 5.3 II (D540) | LG Viper 4G LTE (LS840) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, XviD, H.263, H.264, WMV | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, AAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Blu Studio 5.3 II (D540) | LG Viper 4G LTE (LS840) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 3.0 | 3.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | feature not registered | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging |
| NFC | Not supported | Supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Blu Studio 5.3 II (D540) | LG Viper 4G LTE (LS840) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Blu Studio 5.3 II (D540) | LG Viper 4G LTE (LS840) | |
| Battery type | Li-Ion: lithium-ion (Removable) C766205220T | Li-Ion: lithium-ion (Removable) BL-44JS |
| Battery capacity | 2200 mAh | 1700 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 14 hours | 4.8 hours |
| Standby | 820 hours (34.2 days) | 290 hours (12.1 days) |
➕ Other features | ||
| Blu Studio 5.3 II (D540) | LG Viper 4G LTE (LS840) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (Swype), 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, Flash player | HTML, XHTML, Flash player |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White • Java framework | • Colors: Black • 4GB microSD included • Java framework |
☢️ Radiation rate | ||
| Blu Studio 5.3 II (D540) | LG Viper 4G LTE (LS840) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |