Lenovo ZUK Z1 (Z1221) vs Samsung Galaxy Round (SM-G910S)
Side by side comparison between Lenovo ZUK Z1 vs Samsung Galaxy Round phones, differences, pros, cons and full specifications. What's the better?
,
5.5"
IPS
IPS
1080x1920
13
MP
MP
8mp
3GB
RAM
RAM
Quad-core
4100
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 ZUK Z1 (Z1221)
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 
12 Advantages | 25 Common items in both devices |
| 3GB LPDDR3 |
| 16 million |
| 1080x1920 pixels |
| (back) 13MP |
| Only digital zoom |
| Autofocus |
| HDR photo only main camera |
| +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 ZUK Z1 (Z1221) | Galaxy Round (SM-G910S) | |
| Change model | ||
| Model | ZUK Z1 (Z1221) | Galaxy Round (SM-G910S) |
| Other model names | Lenovo Zuk Z1221, Lenovo Z1221 | Galaxy Round G910S 4G LTE-A, SM-G910S |
| Country or region available |    (Global, International), China, Hong Kong |  South Korea |
| Brand | Lenovo | Samsung |
| Release date | 9/1/2015 | 10/9/2013 |
| Depth | 8.9 millimeters (0.35 inches) | 7.9 millimeters (0.31 inches) |
| Size (width x height) | 77.3 x 155.7 millimeters (3.04 x 6.13 in) | 79.6 x 151.1 millimeters (3.13 x 5.95 in) |
| Weight | 175 grams (6.13 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 ZUK Z1 (Z1221) | Galaxy Round (SM-G910S) | |
| Display type | TFT IPS LCD | Flexible Super AMOLED |
| Screen size | 5.5" inches | 5.7" inches |
| Screen-to-body ratio | ~69.3% (screen-to-body ratio) | ~74.5% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1080x1920 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 401 PPI | 386 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 | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy Round (SM-G910S) | |
| System version | CyanogenMod 12.1 | Android 4.3 Jelly Bean |
| Firmware update | CyanogenMod 13 | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Lenovo ZUK Z1 (Z1221) | 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 ZUK Z1 (Z1221) | Galaxy Round (SM-G910S) | |
| RAM memory | 3GB LPDDR3 | 3GB LPDDR3 |
| Internal storage | 64GB (54GB available) | 32GB (26GB available) |
| External storage | Not supported | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy Round (SM-G910S) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 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 | CDMA 800, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 | UMTS 850/1900/2100 |
| Primary 4G network | LTE Cat4 1800/2100/2600 (Bands 1,3,7) TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41) | LTE Cat4 (Bands 3, 5) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | 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 ZUK Z1 (Z1221) | Galaxy Round (SM-G910S) | |
| Back camera (main camera) | 13 megapixels | 13 megapixels |
| Main camera resolution | 4128x3096 pixels | 4128x3096 pixels |
| Video recording (primary) | Full HD (1920x1080) 60 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
| Autofocus | Autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not 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 ZUK Z1 (Z1221) | Galaxy Round (SM-G910S) | |
| Front camera (secondary) | 8 megapixels | 2.1 megapixels |
| Front camera resolution | 3264x2448 pixels | 1920x1080 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | 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 ZUK Z1 (Z1221) | Galaxy Round (SM-G910S) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | 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, OGG, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, AC3, FLAC |
🔌 Connectivity | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy Round (SM-G910S) | |
| USB | USB 3.1 Type-C reversible connector | 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 | 4.1 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO | 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 | Not supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy Round (SM-G910S) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor ANT+ Barometer Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy Round (SM-G910S) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4100 mAh | 2800 mAh |
| Charger, watts | 10W (5V/2A) Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 38 hours (1.6 days) | 16 hours |
| Standby | 526 hours (21.9 days) | 330 hours (13.8 days) |
➕ Other features | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy Round (SM-G910S) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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: White, Dark Gray • USB OTG On-The-Go • Aluminum body • Sony IMX214 sensor back camera • Fast battery charging: 100% in 2,5h • WiFi hotspot | • 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 ZUK Z1 (Z1221) | 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) |