Meizu 21 vs Xiaomi Redmi Turbo 4

General Info

Manufacturer
Meizu	Xiaomi
Announced
November 2023	January 2025
Status
Available - November 2023	Available - January 2025
Colors
Black, Purple, Green, White	Black, White, Blue
Form Factor
Candybar	Candybar
Dimension
156.7 x 75.3 x 7.9 mm (6.17 x 2.96 x 0.31 in)	161 x 75.2 x 8.1 mm (6.34 x 2.96 x 0.32 in)
Weight
198 g (6.98 oz)	203.5 g (7.16.0.18 oz)
SIM Type
Dual SIM (Nano-SIM, dual stand-by)	Nano-SIM + Nano-SIM
2G Network
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900 CDMA 800
3G Network
HSDPA 850 / 900 / 1700(AWS) / 2100	HSDPA 800 / 850 / 900 / 1700(AWS) / 2100 CDMA2000 1x
4G Network
1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41	1, 3, 4, 5, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66
5G Network
1, 3, 5, 8, 28, 38, 41, 77, 78 SA/NSA	1, 3, 5, 8, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA/Sub6
Messaging

Build Features
- Fingerprint Sensor IP54, dust and splash resistant	- Fingerprint Sensor (under display, optical) IP68 dust/water resistant (up to 2m for 30 min)

OS
Android 1	Android 15
User Interface
Flyme 10.5	HyperOS 2
Processor
Octa-core (1x3.3 GHz Cortex-X4 & 5x3.2 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520), Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm) [Similar]	Octa-core (1x3.25 GHz Cortex-A725 & 3x3.0 GHz Cortex-A725 & 4x2.1 GHz Cortex-A725), Mediatek Dimensity 8400 Ultra (4 nm) [Similar]
GPU
Adreno 750 [Similar]	Immortalis-G720 MC7 [Similar]
RAM
12 GB [Browse Similar]	16 GB [Browse Similar]
Internal Memory
512 GB	512 GB
External Memory
No	No

Type
FHD+ AMOLED Screen 120Hz Refresh Rate HDR10+, 600 Nits (typ), 1100 Nits (HBM), 1800 Nits (peak)	FHD+ AMOLED Screen 120Hz Refresh Rate, Dolby Vision, HDR10+, HDR Vivid 1400 Nits (HBM), 3200 Nits (peak)
Colors
16M colors	68B colors
Size
6.55 inches [Similar]	6.67 inches [Similar]
Resolution
1080 x 2340 pixels (393 ppi)	1220 x 2712 pixels (446 ppi)
Screen-to-Body Ratio
89.47%	88.63%
Multi-Touch

Rear Camera
200 MP + 13 MP + 5 MP [Similar]	50 MP + 8 MP [Similar]
Flash
Ring-LED Flash	LED Flash
Features
200 MP, f/1.7, 22mm (wide), PDAF, OIS 13 MP, f/2.4, 15mm, 122˚ (ultrawide) 5 MP, f/2.4, 27mm (wide) Panorama, HDR	50 MP, f/1.5, 26mm (wide), 1/1.95", 0.8µm, PDAF, OIS 8 MP, f/2.2, 15mm (ultrawide), 1/4.0", 1.12µm HDR, Panorama
Video
8K, 4K, 1080p; gyro-EIS	4K@24/30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS
Front Camera
32 MP, f/2.4, (wide) HDR Yes [Similar]	20 MP, f/2.2, (wide), 1/4" Video - 1080p@30fps [Similar]

GPRS
Yes	Yes
Edge
Yes	Yes
3G
HSPA, LTE-A, 5G	HSPA, LTE, 5G
Bluetooth
5.4, A2DP, LE	6.0, A2DP, LE, aptX, LHDC 5
Wi-Fi
Wi-Fi 802.11 а/b/g/n/ac/6e/7, dual-band	Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
USB
USB Type-C, OTG	USB Type-C 2.0, OTG
GPS
GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)	GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
Browser
Yes	Yes

Internal
512 GB, 12 GB RAM or 256 GB, 12 GB RAM or 256 GB, 8 GB RAM UFS 4.0	512 GB, 16 GB RAM or 512 GB, 12 GB RAM or 256 GB, 16 GB RAM or 256 GB, 12 GB RAM UFS 4.0
Expandable Storage
No	No
USB OTG
Supported	Supported

Fingerprint

Proximity Sensor

Accelerometer Sensor

Magnetic-field Sensor (Compass)

Gyroscope Sensor

NFC

Type
Non-removable Li-Po Battery Fast battery Charging 80W wired, PD3 PPS, QC4+	Non-removable Si/C Battery Fast Battery Charging 90W wired, PD3.0, QC3+, 100% in 45 min
Capacity
4800 mAh	6550 mAh
Stand by
-	-
Talk Time
-	-