Vivo X21 Ud vs ZTE nubia Red Magic 5S

Product
Vivo X21 Ud
580 USD

Price
580 USD
580 USD
Status
Discontinued
Available
Brand
Vivo Mobiles
ZTE Mobiles
Model No
X21 Ud
ZTE nubia Red Magic 5S

Launch Date
2018, March 08
2020, August 01

Technology
GSM / CDMA / HSPA / LTE
GSM / CDMA / HSPA / EVDO / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA
3G bands
HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO
4G bands
1, 2, 3, 5, 8, 34, 38, 39, 40, 41
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 34, 38, 39, 40, 41
Speed
HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps
HSPA 42.2/5.76 Mbps, LTE-A, 5G 7.5 Gbps DL
5G bands
41, 78, 79 SA/NSA

Dimensions
154.5 x 74.8 x 7.4 mm (6.08 x 2.94 x 0.29 in)
168.6 x 78 x 9.8 mm (6.64 x 3.07 x 0.39 in)
Weight
156.2 g (5.50 oz)
Weight 220 g (7.76 oz)
Build
Glass front (Gorilla Glass 3), aluminum back, aluminum frame
Glass front (Gorilla Glass), glass back (Gorilla Glass), aluminum frame
SIM
Hybrid Dual SIM (Nano-SIM, dual stand-by)
Dual SIM (Nano-SIM, dual stand-by)
Colors
Black, Ruby Red
Silver, Pulse

Type
Super AMOLED capacitive touchscreen, 16M colors
AMOLED, 144Hz
Size
6.28 inches, 98.4 cm2 (~85.2% screen-to-body ratio)
6.65 inches, 108.6 cm2 (~82.5% screen-to-body ratio)
Resolution
1080 x 2280 Pixels, 19:9 ratio (~402 ppi density)
1080 x 2340 pixels, 19.5:9 ratio (~388 ppi density)

OS
Android 8.1 (Oreo), Funtouch 4
Android 10, Redmagic 3.0
Chipset
Qualcomm SDM660 Snapdragon 660 (14 nm)
Qualcomm SM8250 Snapdragon 865 (7 nm+)
CPU
Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)
GPU
Adreno 512
Adreno 650

RAM
6GB
8GB/16GB UFS 3.1
Storage
128GB
128GB/256GB
Card Slot
microSDXC (uses shared SIM slot)
No

Lens 1
12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF
64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF
Lens 2
5 MP, f/2.4, (depth)
8 MP, f/2.0, 120˚, 13mm (ultrawide), 1.12µm
Features
Main Camera,Dual,16 MP, f/2.0, PDAF 5 MP, f/2.4, (depth)Features,Dual-LED flash, HDR, panoramaVideo,4K@30fps, 1080p@30fps
LED flash, HDR, Panorama, Face Focus, Scene Detection
Video
1080p@30fps
8K@30fps, 4K@30/60fps, 1080p@30/60/120/240fps
Lens 3
2 MP, (macro)

Lens 1
12 MP, f/2.0, (wide), 1/2.8", 1.28µm
8 MP, f/2.0, (wide), 1.12µm
Video
1080p@30fps
1080p@30fps
Features
HDR

Capacity
Li-Ion 3200 mAh, non-removable
Li-Po 4500 mAh, non-removable
Charging
Fast charging 18W
Talk Time
Fast charging 55W, 56% in 15 min, 100% in 40 min (advertised)

Sensors
Fingerprint (under display, optical), accelerometer, proximity, compass
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass

Loudspeaker
Yes
Yes, with stereo speakers
3.5mm jack
Yes, 32-bit/192kHz audio
3.5mm jack Yes 32-bit/384kHz audio

WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot
Bluetooth
5.0, A2DP, LE
5.1, A2DP, aptX, LE
GPS
A-GPS, GLONASS
Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO
Radio
Yes
No
USB
microUSB 2.0, USB On-The-Go
USB Type-C 3.0, USB On-The-Go; accessory connector
NFC
Yes

Performance
AnTuTu: 557056 (v8) GeekBench: 13400 (v4.4), 3386 (v5.1) GFXBench: 46fps (ES 3.1 onscreen)
Loudspeaker
-22.6 LUFS (Excellent)
Battery life
Endurance rating 83h