Xiaomi Redmi K20 (128GB) vs Infinix Zero Flip (512GB)

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

6/19/2025 6:36 AM, updated: 6/19/2025 6:41 AM

Compare Infinix Zero Flip X Xiaomi Redmi K20 (128GB) 10Points

Specifications Compare Models Pictures

6.39"
AMOLED

1080x2340

48
MP

20mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

24Points Infinix Zero Flip (512GB) Compare Xiaomi Redmi K20 X

Specifications Compare Models Pictures

6.9"
AMOLED

1080x2640

50
MP

50mp

8GB
RAM

Octa-core

4720
mAh

(Non removable)

What's the better phone? Infinix Zero Flip (512GB)

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 Xiaomi Redmi K20 (128GB)	vs	24 Advantages Infinix Zero Flip (512GB)
+191 grams (6.69 ounces)2% Lighter	vs	195 grams (6.83 ounces)
+Aluminum frame, glass front/backAdvantage More resistant material	vs	Plastic body
+HDR10Advantage The HDR10 display provides vibrant colors and more details	vs	Not supported
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	HDR photo only main camera
+f/1.8 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/1.9 (aperture)
+Ambient light sensorAdvantage Sensors help you use the device	vs	Not supported
+Face unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
+Gorilla Glass 5Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
2.2GHz 64bit Octa-core (8nm)	vs	+2.6GHz 64bit Octa-core (6nm)20% More powerful processor, you can open your applications faster
6GB LPDDR4X	vs	+8GB LPDDR4X33% More RAM memory. Typically more responsive and better for multitasking.
128GB (109GB available)	vs	+512GB (458GB available)3 times More internal storage for applications and files
UFS 2.1	vs	+UFS 3.1Advantage Fastest write and read storage.
8.8 millimeters (0.35 inches)	vs	+7.6 millimeters (0.3 inches)16% Thinner
AMOLED	vs	+LTPO AMOLEDAdvantage LTPO AMOLED display is brighter and more vivid
60Hz	vs	+120Hz100% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
1080x2340 pixels	vs	+1080x2640 pixels13% Higher resolution screen
403 PPI	vs	+413 PPI2% Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.39"	vs	+6.9"8% Larger screen
(triple camera) 48MP + 8MP + 13MP	vs	+(dual camera) 50MP + 50MP45% Higher resolution main camera
Dual-LED flash	vs	+Dual-LED on both camerasAdvantage The Dual-LED on both cameras helps in dark places or in low light
EIS: Digital stabilization	vs	+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
1/2" inches	vs	+1/1.57" inches27% The larger sensor camera lets you take photos with better depth.
(front) 20MP	vs	+(front) 50MP151% Higher resolution secondary camera to take pictures and selfies
(front) Full HD (1920x1080)	vs	+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera
Android 10	vs	+Android 16Advantage Android 16 is newer and safer
4G LTE-A	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(4G LTE-A) 800 Mbps	vs	+(5G SA/NSA) 2000 Mbps150% Faster for surfing the internet and download files
4000 mAh	vs	+4720 mAh18% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
18W	vs	+70W3 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.
802.11 a/b/g/n/ac [wifi5]	vs	+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
5.0 + A2DP/LE	vs	+5.4 + A2DP/LEAdvantage Bluetooth 5.4 + A2DP/LE is newer and faster

21 Common items in both devices

16 million

PDAF: phase detection autofocus / PDAF: phase detection autofocus on both cameras

4K UHD (3840x2160)

Capacitive

Multitouch

Accelerometer

Compass

+14 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
	Redmi K20 (128GB)	Infinix Zero Flip (512GB)
Change model		Choose the model
Model	Redmi K20 (128GB)	Zero Flip (512GB)
Other model names	Xiaomi Redmi K20 M1903F10A, M1903F10C, MZB7754IN, MZB7755IN	Infinix Zero Flip X6962
Country or region available	China, India	(Global, International)
Brand	Xiaomi	Infinix
Release date	6/1/2019	10/1/2024, Announced: 9/27/2024
Depth	8.8 millimeters (0.35 inches)	7.6 millimeters (0.3 inches)
Size (width x height)	74.3 x 156.7 millimeters (2.93 x 6.17 in)	73.4 x 170.4 millimeters (2.89 x 6.71 in)
Weight	191 grams (6.69 ounces)	195 grams (6.83 ounces)
Build, materials	Aluminum frame, glass front/back	Plastic body Folded: 16 x 73.4 x 87.5 mm
Protection against water and others	Not supported	Not supported
📲 Display
	Redmi K20 (128GB)	Infinix Zero Flip (512GB)
Display type	AMOLED	LTPO AMOLED
Screen size	6.39" inches	6.9" inches
Screen-to-body ratio	~86.1% (screen-to-body ratio)	~86.1% (screen-to-body ratio)
Display resolution	1080x2340 pixels (19.5:9)	1080x2640 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	403 PPI	413 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 5	Not supported
Refresh rate	60Hz	120Hz
Display features	600nits[typ] HDR10	1400nits[peak] Extra display: AMOLED 3.64" (1056x1066), 120Hz, 413PPI, Gorilla Glass Victus
🤖 Operating System
	Redmi K20 (128GB)	Infinix Zero Flip (512GB)
System version	Android 9.0 Pie	Android 14
Firmware update	Android 10	Android 16
User Interface	feature not registered	XOS 14 / 15 / 16
⚙️ Processor
	Redmi K20 (128GB)	Infinix Zero Flip (512GB)
Chipset	64bit: Qualcomm Snapdragon 730 (SM7150-AA) (8nm)	64bit: MediaTek Dimensity 8020 (6nm)
CPU	Octa-core, 2 processors: 2x 2.2GHz Kryo 470 Gold (Dual-core) 6x 1.8GHz Kryo 470 Silver (Hexa-core)	Octa-core, 2 processors: 4x 2.6GHz ARM Cortex-A78 (Quad-core) 4x 2GHz ARM Cortex-A55 (Quad-core)
GPU graphical controller	Qualcomm Adreno 618 (610MHz)	ARM Mali-G77 MC9
Performance (benchmark)	feature not registered	AnTuTu: 729420 (v10)
💽 Memory and storage
	Redmi K20 (128GB)	Infinix Zero Flip (512GB)
RAM memory	6GB LPDDR4X	8GB LPDDR4X
Internal storage	128GB (109GB available) UFS 2.1	512GB (458GB available) UFS 3.1
External storage	Not supported	Not supported
📶 Mobile networks
	Redmi K20 (128GB)	Infinix Zero Flip (512GB)
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	800/150 Mbps	2000/1024 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 (China), GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	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	UMTS 850/900/1700/1900/2100
Primary 4G network	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)	LTE Cat15 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE
Primary 5G network	Not supported	SA/NSA (1, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 77, 78)
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, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
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 Cat15 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
📷 Camera
	Redmi K20 (128GB)	Infinix Zero Flip (512GB)
Back camera (main camera)	(triple camera) 48 megapixels 8MP telephoto f/2.453mm1/4"1.12µmPDAF2x-optical-zoom 13MP ultrawide f/2.412mm1/3"1.12µm	(dual camera) 50 megapixels 50MP ultrawide f/2.2115°1/2.8"0.64µmPDAF
Main camera resolution	8000x6000 pixels	8160x6120 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	Dual-LED flash	Dual-LED on both cameras
Focal aperture	f/1.8 (aperture)	f/1.9 (aperture)
Focal length	26mm (lens)	24mm (lens)
Sensor size	1/2" inches	1/1.57" inches
Pixel size	0.8µm pixel	1µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus on both cameras
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	OIS: Optical stabilization
Zoom	Digital and optical zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Supported
HDR	HDR photo on both cameras	HDR photo only main camera
Camera extras	feature not registered	4K@30fps 1080p@30/60/120fps
📸 Front camera
	Redmi K20 (128GB)	Infinix Zero Flip (512GB)
Front camera (secondary)	20 megapixels *Motorized pop-up camera (slider)	50 megapixels
Front camera resolution	5184x3840 pixels	8160x6120 pixels
Video recording (secondary)	Full HD (1920x1080)	4K UHD (3840x2160)
Front flash	Not supported	Dual-LED
Focal aperture	f/2.2 (aperture)	f/2.5 (aperture)
Focal length	feature not registered	25mm (lens)
Sensor size	feature not registered	1/2.76" inches
Pixel size	0.8µm pixel	0.64µm pixel
🔉 Sound and multimedia
	Redmi K20 (128GB)	Infinix Zero Flip (512GB)
Loudspeaker	Supported	Stereo sound 24-bit/192kHz Hi-Res audio Tuned by JBL
Active noise cancellation	2 microphones or more	2 microphones
Radio	FM	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Redmi K20 (128GB)	Infinix Zero Flip (512GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 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	5.0 + A2DP/LE	5.4 + 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/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Redmi K20 (128GB)	Infinix Zero Flip (512GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor	Accelerometer Compass Fingerprint sensor (side-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Redmi K20 (128GB)	Infinix Zero Flip (512GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4000 mAh	4720 mAh
Charger, watts	18W (9V/2A) Wired fast charging	70W Wired fast charging 10W Reverse charging by cable
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Redmi K20 (128GB)	Infinix Zero Flip (512GB)
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: Carbon black, Flame red, Glacier blue • MIUI 10 • HDR display • 24-bit/192kHz audio • Quick Charge 4+	• Colors: Rock Black, Blossom Glow
☢️ Radiation rate
	Redmi K20 (128GB)	Infinix Zero Flip (512GB)
SAR 1.6W/kg (USA, Mexico, etc.)	1.07W/kg (head), 0.72W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered