Xiaomi Redmi K40 vs ZTE nubia Z50 Ultra
Product
Price
579 USD
579 USD
Status
Available
Available
Brand
Xiaomi Mobiles
ZTE Mobiles
Model No
M2012K11C
NX712J
Launch Date
2021, March 04
2023, March 14
Wikipedia
Technology
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2,
CDMA 800
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800
3G bands
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100,
CDMA2000 1x
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
CDMA2000 1x
4G bands
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42
LTE
5G bands
1, 3, 28, 41, 77, 78 SA/NSA/Sub6
SA/NSA
Speed
HSPA 42.2/5.76 Mbps, LTE-A, 5G
HSPA, LTE-A (CA), 5G
Dimensions
163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in)
169.9 x 76.3 x 8.3 mm (6.69 x 3.00 x 0.33 in)
Weight
196 g (6.91 oz)
228 g (8.04 oz)
Build
IP53, dust and splash protection, Corning Gorilla Glass 5
SIM
Dual SIM (Nano-SIM, dual stand-by)
Dual SIM (Nano-SIM, dual stand-by)
Colors
Black, White, Aurora
Black, Silver, Starry Sky
Type
Super AMOLED, 120Hz, HDR10+, 1300 nits (peak)
AMOLED, 1B colors, 120Hz, HDR10+, 1500 nits (peak)
Size
6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio)
6.8 inches, 111.6 cm2 (~86.1% screen-to-body ratio)
Resolution
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
1116 x 2480 pixels, 20:9 ratio (~400 ppi density)
RAM
8GB/12GB
8GB/12GB/16GB
Storage
128GB/256GB, UFS 3.1
256GB/512GB/1TB
Card Slot
No
No
Lens 1
64 MP, f/1.9, 26mm (wide), 1/1.7", 0.8µm, PDAF
64 MP, f/1.6, 35mm (standard), 1/1.3", 1.0µm, PDAF, Laser AF, OIS
Lens 2
8 MP, f/2.2, 119˚ (ultrawide)
64 MP, f/3.3, 85mm (periscope telephoto), 1/2", PDAF, OIS, 3.3x optical zoom (vs. 26mm cam)
Lens 3
5 MP, 50mm (macro), 1/5.0", 1.12µm
50 MP, f/2.X, 14mm, 116˚ (ultrawide), PDAF
Features
Digital Zoom, Auto Flash, Face detection, Touch to focus, Exposure compensation, ISO control
Ring-LED, dual-tone flash, panorama, HDR
Video
8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+
8K@30fps, 4K@30/60/120fps, 1080p@30/60fps, gyro-EIS, HDR10, 10‑bit video
Lens 1
20 MP, (wide), 1/3.4", 0.8µm
16 MP, f/2.0, 26mm (wide), 1/2.8", 1.22µm, under display
Video
1080p@30fps, 720p@120fps
1080p@30fps
Features
HDR
Capacity
Li-Po 4520 mAh, non-removable
Li-Po 5000 mAh, non-removable
Charging
Fast charging 33W, 100% in 52 min,
Power Delivery 3.0,
Quick Charge 3+
80W wired, PD3.0, QC4
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, color spectrum, barometer
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Loudspeaker
Yes, with stereo speakers
Yes, with stereo speakers
3.5mm jack
Yes
No,
24-bit/192kHz audio
WLAN
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Bluetooth
5.2, A2DP, LE
5.3, A2DP, LE
GPS
Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO, QZSS, NavIC
GPS (L1+L5), GLONASS (L1+L2+L5), GALILEO, BDS
NFC
Yes
Yes, eSE
USB
USB Type-C 2.0, USB On-The-Go
USB Type-C 3.1, OTG
Radio
No
OS
Android 13, MyOS 13
Chipset
Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm)
CPU
Octa-core (1x3.2 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510)
GPU
Adreno 740