Lenovo Vibe Z2 Pro (K920) vs Samsung Galaxy Round (SM-G910S)
Side by side comparison between Lenovo Vibe Z2 Pro vs Samsung Galaxy Round phones, differences, pros, cons and full specifications. What's the better?
,
6"
IPS
IPS
1440x2560
16
MP
MP
5mp
3GB
RAM
RAM
Quad-core
4000
mAh
mAh
(Non removable)
vs
5.7"
AMOLED
AMOLED
1080x1920
13
MP
MP
2.1mp
3GB
RAM
RAM
Quad-core
2800
mAh
mAh
(Removable)
What's the better phone? Lenovo Vibe Z2 Pro (K920)
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!
15 Advantages 
10 Advantages | 25 Common items in both devices |
| 3GB LPDDR3 |
| 16 million |
| Only digital zoom |
| Autofocus |
| HDR photo only main camera |
| 4K UHD (3840x2160) |
| (front) Full HD (1920x1080) |
| +18 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 | ||
| Lenovo Vibe Z2 Pro (K920) | Galaxy Round (SM-G910S) | |
| Change model | ||
| Model | Vibe Z2 Pro (K920) | Galaxy Round (SM-G910S) |
| Other model names | Phablet Lenovo K920 Vibe Z2 Pro LTE-A | Galaxy Round G910S 4G LTE-A, SM-G910S |
| Country or region available | feature not registered |  South Korea |
| Brand | Lenovo | Samsung |
| Release date | 9/1/2014 | 10/9/2013 |
| Depth | 7.7 millimeters (0.3 inches) | 7.9 millimeters (0.31 inches) |
| Size (width x height) | 81.3 x 156 millimeters (3.2 x 6.14 in) | 79.6 x 151.1 millimeters (3.13 x 5.95 in) |
| Weight | 179 grams (6.27 ounces) | 154 grams (5.39 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Lenovo Vibe Z2 Pro (K920) | Galaxy Round (SM-G910S) | |
| Display type | TFT IPS LCD | Flexible Super AMOLED |
| Screen size | 6" inches | 5.7" inches |
| Screen-to-body ratio | ~78.3% (screen-to-body ratio) | ~74.5% (screen-to-body ratio) |
| Display resolution | 1440x2560 pixels | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 490 PPI | 386 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Lenovo Vibe Z2 Pro (K920) | Galaxy Round (SM-G910S) | |
| System version | Android 4.4.2 KitKat | Android 4.3 Jelly Bean |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Lenovo Vibe Z2 Pro (K920) | Galaxy Round (SM-G910S) | |
| Chipset | 32bit: Qualcomm Snapdragon 801 MSM8974-AC (28nm) | 32bit: Qualcomm Snapdragon 800 MSM8974AB |
| CPU | Quad-core, 1 processor: 4x 2.5GHz Krait 400 (Quad-core) | Quad-core, 1 processor: 4x 2.3GHz Krait 400 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 330 578Mhz | Qualcomm Adreno 330 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Lenovo Vibe Z2 Pro (K920) | Galaxy Round (SM-G910S) | |
| RAM memory | 3GB LPDDR3 | 3GB LPDDR3 |
| Internal storage | 32GB | 32GB (26GB available) |
| External storage | Not supported | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Lenovo Vibe Z2 Pro (K920) | Galaxy Round (SM-G910S) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 150/50 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G, 4G | 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 850/900/1700/1900/2100 | UMTS 850/1900/2100 |
| Primary 4G network | LTE 800/850/900/1800/2100/2600 | LTE Cat4 (Bands 3, 5) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| 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 | ||
| Lenovo Vibe Z2 Pro (K920) | Galaxy Round (SM-G910S) | |
| Back camera (main camera) | 16 megapixels | 13 megapixels |
| Main camera resolution | 4608x3456 pixels | 4128x3096 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 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 | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo only main camera | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Lenovo Vibe Z2 Pro (K920) | Galaxy Round (SM-G910S) | |
| Front camera (secondary) | 5 megapixels | 2.1 megapixels |
| Front camera resolution | 2592x1944 pixels | 1920x1080 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 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 | ||
| Lenovo Vibe Z2 Pro (K920) | Galaxy Round (SM-G910S) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, DivX, XviD, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, AC3, FLAC |
🔌 Connectivity | ||
| Lenovo Vibe Z2 Pro (K920) | Galaxy Round (SM-G910S) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Micro-B USB MHL-2 |
| Bluetooth | 4.0 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Lenovo Vibe Z2 Pro (K920) | Galaxy Round (SM-G910S) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor ANT+ Barometer Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Lenovo Vibe Z2 Pro (K920) | Galaxy Round (SM-G910S) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4000 mAh | 2800 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 45 hours (1.9 days) | 16 hours |
| Standby | 940 hours (39.2 days) | 330 hours (13.8 days) |
➕ Other features | ||
| Lenovo Vibe Z2 Pro (K920) | Galaxy Round (SM-G910S) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| 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 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White, Gold • WiFi hotspot Java framework | • Colors: Luxury Brown • Curved body and display • USB On-The-Go 1.3 • SoundAlive • S-Voice natural language • ANT+ support • Dropbox 50GB Java framework |
☢️ Radiation rate | ||
| Lenovo Vibe Z2 Pro (K920) | Galaxy Round (SM-G910S) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.63W/kg (head), 0.69W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.21W/kg (head), 0.35W/kg (body) |