Lenovo ZUK Z1 (Z1221) vs Xiaomi 15 (China 512GB/12GB)

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Side by side comparison between Lenovo ZUK Z1 vs Xiaomi 15 phones, differences, pros, cons and full specifications. What's the better?

5/20/2025 6:04 PM, updated: 5/20/2025 6:20 PM

Compare Xiaomi 15 X Lenovo ZUK Z1 (Z1221) 02Points

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

13
MP

8mp

3GB
RAM

Quad-core

4100
mAh

(Non removable)

31Points Xiaomi 15 (China 512GB/12GB) Compare Lenovo ZUK Z1 X

Specifications Compare Models Pictures

6.36"
AMOLED

1200x2670

50
MP

32mp

12GB
RAM

Octa-core

5400
mAh

(Non removable)

What's the better phone? Xiaomi 15 (China 512GB/12GB)

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!

2 Advantages Lenovo ZUK Z1 (Z1221)	vs	31 Advantages Xiaomi 15 (China 512GB/12GB)
+175 grams (6.13 ounces)10% Lighter	vs	192 grams (6.72 ounces)
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
2.5GHz 32bit Quad-core	vs	+4.32GHz 64bit Octa-core (3nm)159% More powerful processor, you can open your applications faster
3GB LPDDR3	vs	+12GB LPDDR5X3 times More RAM memory. Typically more responsive and better for multitasking.
64GB (54GB available)	vs	+512GB (458GB available)7 times More internal storage for applications and files
8.9 millimeters (0.35 inches)	vs	+8.4 millimeters (0.33 inches)6% Thinner
TFT IPS LCD	vs	+LTPO AMOLEDAdvantage LTPO AMOLED display is brighter and more vivid
16 million	vs	+68 billion4249 times More colors on the screen is better quality images and videos
1080x1920 pixels	vs	+1200x2670 pixels55% Higher resolution screen
401 PPI	vs	+460 PPI15% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.5"	vs	+6.36"16% Larger screen
(back) 13MP	vs	+(triple camera) 50MP + 50MP + 50MP11 times Higher resolution main camera
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
HDR photo only main camera	vs	+HDR photo/video on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
f/2.2 (aperture)	vs	+f/1.6 (aperture)38% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 8MP	vs	+(front) 32MP3 times Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)	vs	+8K UHD (7680x4320)15 times More image quality for recording videos with the primary camera
(front) Full HD (1920x1080)	vs	+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera
2000000 apps (Google Play Store)	vs	+3500000 apps (Google Play Store)75% More apps available to download and use
4G LTE	vs	+5G Sub6Advantage The 5G Sub6 network is newer and faster
(4G LTE) 150 Mbps	vs	+(5G Sub6) 3000 Mbps19 times Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
4100 mAh	vs	+5400 mAh32% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
10W	vs	+90W8 times More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
2 slots (Dual-SIM)	vs	+2 slots (Dual-SIM) + e-SIM (Eletronic)Advantage You can have more mobile carriers/operators on the same device.
802.11 a/b/g/n/ac [wifi5]	vs	+802.11 a/b/g/n/ac/ax/be [wifi7/6E/6]Advantage WiFi 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] is newer and faster
4.1 + A2DP	vs	+6.0 + A2DP/LEAdvantage Bluetooth 6.0 + A2DP/LE is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
USB 3.1 Type-C reversible connector	vs	+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.
Not supported	vs	+Dragon Crystal GlassAdvantage Protection against scratches on the screen lets you carry your phone with your keys
Not supported	vs	+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

18 Common items in both devices

Dual-LED flash

Autofocus / PDAF: phase detection autofocus

OIS: Optical stabilization

Capacitive

Multitouch

Accelerometer

Ambient light sensor

+11 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 Z1 (Z1221)	Xiaomi 15 (China 512GB/12GB)
Change model		Choose the model
Model	ZUK Z1 (Z1221)	Xiaomi 15 (China 512GB/12GB)
Other model names	Lenovo Zuk Z1221, Lenovo Z1221	Xiaomi 15 24129PN74C
Country or region available	(Global, International), China, Hong Kong	China
Brand	Lenovo	Xiaomi
Release date	9/1/2015	10/29/2024
Depth	8.9 millimeters (0.35 inches)	8.4 millimeters (0.33 inches)
Size (width x height)	77.3 x 155.7 millimeters (3.04 x 6.13 in)	71.2 x 152.3 millimeters (2.8 x 6 in)
Weight	175 grams (6.13 ounces)	192 grams (6.72 ounces)
Build, materials	feature not registered	Aluminum body, glass front
Protection against water and others	Not supported	IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant
📲 Display
	Lenovo ZUK Z1 (Z1221)	Xiaomi 15 (China 512GB/12GB)
Display type	TFT IPS LCD	LTPO AMOLED
Screen size	5.5" inches	6.36" inches
Screen-to-body ratio	~69.3% (screen-to-body ratio)	~90% (screen-to-body ratio)
Display resolution	1080x1920 pixels	1200x2670 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 10-points
Pixel density (dot pitch)	401 PPI	460 PPI
Colors	16 million	68 billion
Scratch-resistant glass	Not supported	Dragon Crystal Glass
Refresh rate	feature not registered	120Hz
Display features	feature not registered	3200nits[peak] Dolby Vision/HDR10+ Touch Sampling Rate: 300Hz
🤖 Operating System
	Lenovo ZUK Z1 (Z1221)	Xiaomi 15 (China 512GB/12GB)
System version	CyanogenMod 12.1	Android 15
Firmware update	CyanogenMod 13	feature not registered
User Interface	feature not registered	HyperOS 2
⚙️ Processor
	Lenovo ZUK Z1 (Z1221)	Xiaomi 15 (China 512GB/12GB)
Chipset	32bit: Qualcomm Snapdragon 801 MSM8974-AC (28nm)	64bit: Qualcomm Snapdragon 8 Elite (SM8750-AB) (3nm)
CPU	Quad-core, 1 processor: 4x 2.5GHz Krait 400 (Quad-core)	Octa-core, 2 processors: 2x 4.32GHz Oryon V2 Phoenix L (Dual-core) 6x 3.53GHz Oryon V2 Phoenix M (Hexa-core)
GPU graphical controller	Qualcomm Adreno 330 578Mhz	Qualcomm Adreno 830 (1100MHz)
Performance (benchmark)	feature not registered	AnTuTu: 2534643 (v10) Geekbench: 9419 (v6)
💽 Memory and storage
	Lenovo ZUK Z1 (Z1221)	Xiaomi 15 (China 512GB/12GB)
RAM memory	3GB LPDDR3	12GB LPDDR5X
Internal storage	64GB (54GB available)	512GB (458GB available) UFS 4.0
External storage	Not supported	Not supported
📶 Mobile networks
	Lenovo ZUK Z1 (Z1221)	Xiaomi 15 (China 512GB/12GB)
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) + e-SIM
Maximum Download / Upload	150/50 Mbps	3000/1024 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G, 5G
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 Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42, 48) VoLTE
Primary 5G network	Not supported	SA/NSA/Sub6 (1, 2, 3, 5, 12, 20, 26, 28, 38, 40, 41, 48, 66, 77, 78, 80, 81, 83, 84, 89)
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, SA/NSA, Sub6
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42, 48) VoLTE
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6
📷 Camera
	Lenovo ZUK Z1 (Z1221)	Xiaomi 15 (China 512GB/12GB)
Back camera (main camera)	13 megapixels	(triple camera) 50 megapixels 50MP telephoto f/2.060mm1/2.76"0.64µmPDAFOIS2.6x-optical-zoom 50MP ultrawide f/2.214mm115°1/2.76"0.64µm
Main camera resolution	4128x3096 pixels	8160x6120 pixels
Video recording (primary)	Full HD (1920x1080) 60 fps	8K UHD (7680x4320) 30 fps
Flash	Dual-LED flash	Dual-LED flash
Focal aperture	f/2.2 (aperture)	f/1.6 (aperture)
Focal length	feature not registered	23mm (lens)
Sensor size	feature not registered	1/1.31" inches
Pixel size	1.12µm pixel	1.2µm pixel
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	OIS: Optical stabilization
Zoom	Only digital zoom	Digital and optical zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Supported
HDR	HDR photo only main camera	HDR photo/video on both cameras
Camera extras	feature not registered	8K@24/30fps (HDR) 4K@24/30/60fps (HDR10+, 10-bit Dolby Vision HDR, 10-bit LOG) 1080p@30/60/120/240/960fps 720p@1920fps Leica Summilux
📸 Front camera
	Lenovo ZUK Z1 (Z1221)	Xiaomi 15 (China 512GB/12GB)
Front camera (secondary)	8 megapixels	32 megapixels
Front camera resolution	3264x2448 pixels	6528x4896 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	21mm (lens)
Sensor size	feature not registered	1/3.14" inches
Pixel size	feature not registered	0.7µm pixel
🔉 Sound and multimedia
	Lenovo ZUK Z1 (Z1221)	Xiaomi 15 (China 512GB/12GB)
Loudspeaker	Supported	Stereo sound 24-bit/192kHz Dolby Atmos Hi-Res
Active noise cancellation	2 microphones or more	4 microphones
Radio	Not supported	Not supported
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)	Xiaomi 15 (China 512GB/12GB)
USB	USB 3.1 Type-C reversible connector	USB 3.2 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	Type-C reversible connector
TV output	Not supported	USB Type-C (reversible)
Bluetooth	4.1 + A2DP	6.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO	802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Not supported	Supported
Infrared port	Not supported	Supported
🧭 Sensors
	Lenovo ZUK Z1 (Z1221)	Xiaomi 15 (China 512GB/12GB)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Lenovo ZUK Z1 (Z1221)	Xiaomi 15 (China 512GB/12GB)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Si: lithium-silicon (Non removable)
Battery capacity	4100 mAh	5400 mAh
Charger, watts	10W (5V/2A) Wired charging	90W Wired fast charging Reverse charging by cable Quick Charge 3+ USB Power Delivery 3.0
Inductive / wireless charging	feature not registered	50W Qi Wireless charging (Qi/WPC) 10W Reverse wireless charging
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)	Xiaomi 15 (China 512GB/12GB)
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, Green, Lilac, Liquid Silver • Xiaomi HyperAI
☢️ Radiation rate
	Lenovo ZUK Z1 (Z1221)	Xiaomi 15 (China 512GB/12GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.99W/kg (head), 1W/kg (body)