Lenovo ZUK Z1 (Z1221) vs Samsung Galaxy M51 (SM-M515F/DSN 8GB RAM)
Side by side comparison between Lenovo ZUK Z1 vs Samsung Galaxy M51 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
6.7"
AMOLED
AMOLED
1080x2340
64
MP
MP
32mp
8GB
RAM
RAM
Octa-core
7000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy M51 (SM-M515F/DSN 8GB RAM)
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 
21 Advantages | 23 Common items in both devices |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| (front) Full HD (1920x1080) |
| 4G LTE / 4G LTE-A |
| Capacitive |
| Multitouch |
| +16 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 M51 (SM-M515F/DSN 8GB RAM) | |
| Change model | ||
| Model | ZUK Z1 (Z1221) | Galaxy M51 (SM-M515F/DSN 8GB RAM) |
| Other model names | Lenovo Zuk Z1221, Lenovo Z1221 | Samsung Galaxy M51 SM-M515F/DSN (8GB RAM) |
| Country or region available |    (Global, International), China, Hong Kong |    India, Malaysia, Turkey |
| Brand | Lenovo | Samsung |
| Release date | 9/1/2015 | 9/11/2020 |
| Depth | 8.9 millimeters (0.35 inches) | 9.5 millimeters (0.37 inches) |
| Size (width x height) | 77.3 x 155.7 millimeters (3.04 x 6.13 in) | 76.3 x 163.9 millimeters (3 x 6.45 in) |
| Weight | 175 grams (6.13 ounces) | 213 grams (7.46 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 M51 (SM-M515F/DSN 8GB RAM) | |
| Display type | TFT IPS LCD | Super AMOLED Plus |
| Screen size | 5.5" inches | 6.7" inches |
| Screen-to-body ratio | ~69.3% (screen-to-body ratio) | ~88.1% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1080x2340 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 401 PPI | 385 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 3 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| System version | CyanogenMod 12.1 | Android 10 |
| Firmware update | CyanogenMod 13 | Android 11 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Chipset | 32bit: Qualcomm Snapdragon 801 MSM8974-AC (28nm) | 64bit: Qualcomm Snapdragon 730G (SM7150-AB) (8nm) |
| CPU | Quad-core, 1 processor: 4x 2.5GHz Krait 400 (Quad-core) | Octa-core, 2 processors: 2x 2.2GHz Kryo 470 Gold (Dual-core) 6x 1.8GHz Kryo 470 Silver (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 330 578Mhz | Qualcomm Adreno 618 (700MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| RAM memory | 3GB LPDDR3 | 8GB LPDDR4X |
| Internal storage | 64GB (54GB available) | 128GB (106GB available) eMMC 5.1 |
| External storage | Not supported | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 Mbps | 400/50 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 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat4 1800/2100/2600 (Bands 1,3,7) TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41) | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE |
| 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+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
📷 Camera | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Back camera (main camera) | 13 megapixels | (quad camera) 64 megapixels 12MP ultrawide f/2.2123° 5MP macro f/2.4 5MP depth f/2.4 |
| Main camera resolution | 4128x3096 pixels | 10120x6328 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) | f/1.8 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/1.73" inches |
| Pixel size | 1.12µm pixel | 0.8µm pixel |
| Autofocus | Autofocus | PDAF: phase detection 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 on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Front camera (secondary) | 8 megapixels | 32 megapixels |
| Front camera resolution | 3264x2448 pixels | 6528x4896 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/2.8" inches |
| Pixel size | feature not registered | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, OGG, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| USB | USB 3.1 Type-C reversible connector | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.1 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4100 mAh | 7000 mAh |
| Charger, watts | 10W (5V/2A) Wired charging | 25W Wired fast charging Reverse charging by cable |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 38 hours (1.6 days) | 64 hours (2.7 days) |
| Standby | 526 hours (21.9 days) | feature not registered |
➕ Other features | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), 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, Dark Gray • USB OTG On-The-Go • Aluminum body • Sony IMX214 sensor back camera • Fast battery charging: 100% in 2,5h • WiFi hotspot | • Colors: Celestial Black, Electric Blue • One UI 2.1, 3.1 |
☢️ Radiation rate | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.609W/kg (head), 1.446W/kg (body) |