Lenovo ZUK Z1 (Z1221) vs Samsung Galaxy A21s (SM-A217F)
Side by side comparison between Lenovo ZUK Z1 vs Samsung Galaxy A21s 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
6.5"
PLS
PLS
720x1600
48
MP
MP
13mp
3GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy A21s (SM-A217F)
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!
10 Advantages 
15 Advantages | 19 Common items in both devices |
| 8.9 millimeters (0.35 inches) |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Full HD (1920x1080) |
| (front) Full HD (1920x1080) |
| 4G LTE / 4G LTE-A |
| +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 | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy A21s (SM-A217F) | |
| Change model | ||
| Model | ZUK Z1 (Z1221) | Galaxy A21s (SM-A217F) |
| Other model names | Lenovo Zuk Z1221, Lenovo Z1221 | Galaxy A21s SM-A217F Single-Sim (32GB + 3GB RAM) |
| Country or region available |    (Global, International), China, Hong Kong |    South Africa, Australia, New Zealand |
| Brand | Lenovo | Samsung |
| Release date | 9/1/2015 | 6/2/2020, Announced: 5/15/2020 |
| Depth | 8.9 millimeters (0.35 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 77.3 x 155.7 millimeters (3.04 x 6.13 in) | 75.3 x 163.7 millimeters (2.96 x 6.44 in) |
| Weight | 175 grams (6.13 ounces) | 192 grams (6.72 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 A21s (SM-A217F) | |
| Display type | TFT IPS LCD | TFT PLS |
| Screen size | 5.5" inches | 6.5" inches |
| Screen-to-body ratio | ~69.3% (screen-to-body ratio) | ~82.8% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 720x1600 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 401 PPI | 270 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy A21s (SM-A217F) | |
| System version | CyanogenMod 12.1 | Android 10 |
| Firmware update | CyanogenMod 13 | Android 12 |
| User Interface | feature not registered | One UI 2.0 / 3.1 / 4.1 |
⚙️ Processor | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy A21s (SM-A217F) | |
| Chipset | 32bit: Qualcomm Snapdragon 801 MSM8974-AC (28nm) | 64bit: Samsung Exynos 850 (8nm) |
| CPU | Quad-core, 1 processor: 4x 2.5GHz Krait 400 (Quad-core) | Octa-core, 1 processor: 8x 2GHz ARM Cortex-A55 (Octa-core) |
| GPU graphical controller | Qualcomm Adreno 330 578Mhz | ARM Mali-G52 MP1 |
| Performance (benchmark) | feature not registered | AnTuTu: 107157 (v8) Geekbench: 1100 (v5.1) GFXBench: 11fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy A21s (SM-A217F) | |
| RAM memory | 3GB LPDDR3 | 3GB LPDDR4X |
| Internal storage | 64GB (54GB available) | 32GB (19GB available) eMMC 5.1 |
| External storage | Not supported | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy A21s (SM-A217F) | |
| 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) nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 Mbps | 300/150 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 850/900/1900/2100 |
| Primary 4G network | LTE Cat4 1800/2100/2600 (Bands 1,3,7) TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41) | LTE Cat7/13 (1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) |
| 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 | 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 A21s (SM-A217F) | |
| Back camera (main camera) | 13 megapixels | (quad camera) 48 megapixels 8MP ultrawide f/2.21/4"1.12µm123° 2MP macro f/2.4 2MP depth f/2.4 |
| Main camera resolution | 4128x3096 pixels | 8000x6000 pixels |
| Video recording (primary) | Full HD (1920x1080) 60 fps | Full HD (1920x1080) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/2.2 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | feature not registered | 1/2" 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 A21s (SM-A217F) | |
| Front camera (secondary) | 8 megapixels | 13 megapixels |
| Front camera resolution | 3264x2448 pixels | 4128x3096 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/3.1" inches |
| Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy A21s (SM-A217F) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| 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 A21s (SM-A217F) | |
| 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 | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy A21s (SM-A217F) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor | Accelerometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor Virtual ambient light sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy A21s (SM-A217F) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4100 mAh | 5000 mAh |
| Charger, watts | 10W (5V/2A) Wired charging | 15W (9V/1.67A) Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 38 hours (1.6 days) | feature not registered |
| Standby | 526 hours (21.9 days) | feature not registered |
➕ Other features | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy A21s (SM-A217F) | |
| 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: Black, White, Blue, Red |
☢️ Radiation rate | ||
| Lenovo ZUK Z1 (Z1221) | Galaxy A21s (SM-A217F) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.422W/kg (head), 1.544W/kg (body) |