Lenovo ZUK Z2 (Z2131 32GB) vs Xiaomi Redmi K20 (64GB)

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Side by side comparison between Lenovo ZUK Z2 vs Xiaomi Redmi K20 phones, differences, pros, cons and full specifications. What's the better?

7/29/2019 8:22 PM, updated: 6/24/2020 10:54 PM

Compare Xiaomi Redmi K20 X Lenovo ZUK Z2 (Z2131 32GB) 06Points

Specifications Compare Models Pictures

5"
LTPS

1080x1920

13
MP

8mp

3GB
RAM

Quad-core

3500
mAh

(Non removable)

21Points Xiaomi Redmi K20 (64GB) Compare Lenovo ZUK Z2 X

Specifications Compare Models Pictures

6.39"
AMOLED

1080x2340

48
MP

20mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Xiaomi Redmi K20 (64GB)

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 Lenovo ZUK Z2 (Z2131 32GB)	vs	21 Advantages Xiaomi Redmi K20 (64GB)
+149 grams (5.22 ounces)28% Lighter	vs	191 grams (6.69 ounces)
+8.5 millimeters (0.33 inches)4% Thinner	vs	8.8 millimeters (0.35 inches)
+441 PPI9% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	403 PPI
+PedometerAdvantage Sensors help you use the device	vs	Not supported
+UV radiationAdvantage Sensors help you use the device	vs	Not supported
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
2.15GHz 64bit Quad-core	vs	+2.2GHz 64bit Octa-core (8nm)45% More powerful processor, you can open your applications faster
3GB LPDDR4	vs	+6GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.
32GB (21GB available)	vs	+64GB (49GB available)133% More internal storage for applications and files
LTPS LCD	vs	+AMOLEDAdvantage AMOLED display is brighter and more vivid
1080x1920 pixels	vs	+1080x2340 pixels22% Higher resolution screen
5"	vs	+6.39"28% Larger screen
(back) 13MP	vs	+(triple camera) 48MP + 8MP + 13MP4 times Higher resolution main camera
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
HDR photo only main camera	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
1/2.6" inches	vs	+1/2" inches30% The larger sensor camera lets you take photos with better depth.
f/2.2 (aperture)	vs	+f/1.8 (aperture)22% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 8MP	vs	+(front) 20MP149% Higher resolution secondary camera to take pictures and selfies
Android 7.0 Nougat	vs	+Android 10Advantage Android 10 is newer and safer
(4G LTE-A) 300 Mbps	vs	+(4G LTE-A) 800 Mbps167% Faster for surfing the internet and download files
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
3500 mAh	vs	+4000 mAh14% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general
4.1 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
Not supported	vs	+Gorilla Glass 5Advantage Protection against scratches on the screen lets you carry your phone with your keys

25 Common items in both devices

16 million

PDAF: phase detection autofocus

EIS: Digital stabilization

4K UHD (3840x2160)

(front) Full HD (1920x1080)

4G LTE-A

Capacitive

+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

📱 Model features
	Lenovo ZUK Z2 (Z2131 32GB)	Redmi K20 (64GB)
Change model		Choose the model
Model	ZUK Z2 (Z2131 32GB)	Redmi K20 (64GB)
Other model names	Lenovo Zuk Z2131 3GB RAM, Lenovo Z2131, 联想 Zuk Z2	Xiaomi Redmi K20 M1903F10A, M1903F10C, MZB7754IN, MZB7755IN
Country or region available	(Global, International), China	China, India
Brand	Lenovo	Xiaomi
Release date	6/1/2016	6/1/2019
Depth	8.5 millimeters (0.33 inches)	8.8 millimeters (0.35 inches)
Size (width x height)	68.9 x 141.7 millimeters (2.71 x 5.58 in)	74.3 x 156.7 millimeters (2.93 x 6.17 in)
Weight	149 grams (5.22 ounces)	191 grams (6.69 ounces)
Build, materials	feature not registered	Aluminum frame, glass front/back
Protection against water and others	Not supported	Not supported
📲 Display
	Lenovo ZUK Z2 (Z2131 32GB)	Redmi K20 (64GB)
Display type	LTPS LCD	AMOLED
Screen size	5" inches	6.39" inches
Screen-to-body ratio	~70.6% (screen-to-body ratio)	~86.1% (screen-to-body ratio)
Display resolution	1080x1920 pixels	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	441 PPI	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 5
Refresh rate	feature not registered	60Hz
Display features	feature not registered	600nits[typ] HDR10
🤖 Operating System
	Lenovo ZUK Z2 (Z2131 32GB)	Redmi K20 (64GB)
System version	Android 6.0.1 Marshmallow	Android 9.0 Pie
Firmware update	Android 7.0 Nougat	Android 10
User Interface	feature not registered	feature not registered
⚙️ Processor
	Lenovo ZUK Z2 (Z2131 32GB)	Redmi K20 (64GB)
Chipset	64bit: Qualcomm Snapdragon 820 MSM8996 (14nm)	64bit: Qualcomm Snapdragon 730 (SM7150-AA) (8nm)
CPU	Quad-core, 2 processors: 2x 2.15GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-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 530 624Mhz	Qualcomm Adreno 618 (610MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Lenovo ZUK Z2 (Z2131 32GB)	Redmi K20 (64GB)
RAM memory	3GB LPDDR4	6GB LPDDR4X
Internal storage	32GB (21GB available)	64GB (49GB available) UFS 2.1
External storage	Not supported	Not supported
📶 Mobile networks
	Lenovo ZUK Z2 (Z2131 32GB)	Redmi K20 (64GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Dual-SIM Standby - Call active on one sim card
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	300/50 Mbps	800/150 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	CDMA 800 (China), GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100	MZB7754IN, MZB7755IN, MZB7756IN version: UMTS 850/900/1900/2100 M1903F10A, M1903F10C, M1903F10T version: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100
Primary 4G network	LTE Cat6 850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8) TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41)	LTE Cat15/13 VoLTE MZB7754IN, MZB7755IN, MZB7756IN version: LTE (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 38, 40, 41) M1903F10A, M1903F10C, M1903F10T version: LTE (Bands 1, 3, 5, 7, 8) TD-LTE (Bands 34, 38, 39, 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, LTE-A	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, 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 Z2 (Z2131 32GB)	Redmi K20 (64GB)
Back camera (main camera)	13 megapixels	(triple camera) 48 megapixels 8MP telephoto f/2.453mm1/4"1.12µmPDAF2x-optical-zoom 13MP ultrawide f/2.412mm1/3"1.12µm
Main camera resolution	4128x3096 pixels	8000x6000 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/2.2 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	1/2.6" inches	1/2" inches
Pixel size	1.34µm pixel	0.8µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Digital and optical 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 Z2 (Z2131 32GB)	Redmi K20 (64GB)
Front camera (secondary)	8 megapixels	20 megapixels *Motorized pop-up camera (slider)
Front camera resolution	3264x2448 pixels	5184x3840 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	1.4µm pixel	0.8µm pixel
🔉 Sound and multimedia
	Lenovo ZUK Z2 (Z2131 32GB)	Redmi K20 (64GB)
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
Audio formats	MP3, WAV, OGG, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Lenovo ZUK Z2 (Z2131 32GB)	Redmi K20 (64GB)
USB	USB 2.0 Type-C reversible connector	USB 2.0 Type-C, USB OTG On-The-Go
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 WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Lenovo ZUK Z2 (Z2131 32GB)	Redmi K20 (64GB)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Pedometer Proximity sensor UV radiation	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Lenovo ZUK Z2 (Z2131 32GB)	Redmi K20 (64GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3500 mAh	4000 mAh
Charger, watts	Wired charging	18W (9V/2A) Wired fast charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Lenovo ZUK Z2 (Z2131 32GB)	Redmi K20 (64GB)
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: Titanium Black, Ceramic White • Aluminum frame • Back glass • ZUI 2.5 • Always-on display • Fast battery charging: 83% in 30min • Quick Charge 3.0 • 24-bit/192kHz audio	• Colors: Carbon black, Flame red, Glacier blue • MIUI 10 • HDR display • 24-bit/192kHz audio • Quick Charge 4+
☢️ Radiation rate
	Lenovo ZUK Z2 (Z2131 32GB)	Redmi K20 (64GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	1.07W/kg (head), 0.72W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered