Asus Zenfone 7 ZS670KS vs Realme C21

Asus Zenfone 7 ZS670KS

Asus Zenfone 7 ZS670KS

August, 2020

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Realme C21

Realme C21

March, 2021

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Asus Zenfone 7 ZS670KS vs Realme C21


Asus Zenfone 7 ZS670KS

Realme C21
Price
EUR: €910EUR: €119
USD: N/AUSD: N/A
GBP: N/AGBP: N/A
INR: N/AINR: ₹6,950
PKR: N/APKR: Rs.35,999
Body
Form Factor
Candybar, TouchscreenCandybar, Touchscreen
Dimensions
165.1 x 77.3 x 9.6 mm (6.5 x 3.04 x 0.38 in)165.2 x 76.4 x 8.9 mm (6.50 x 3.01 x 0.35 in)
Weight
230 g (8.11 oz)190 g (6.70 oz)
Build
Glass front (Gorilla Glass 6), glass back (Gorilla Glass 3), aluminum frameGlass front, plastic back, plastic frame
Colors
Aurora Black, Pastel WhiteCross Black, Cross Blue
Models
ZS670KS, ASUS_I002D, I002DRMX3201
Display
Type
Super AMOLED, 90Hz, HDR10+, 700 nits (HBM)IPS LCD, 400 nits (typ)
Size
6.67 inches, 107.4 cm2 (~84.2% screen-to-body ratio)6.5 inches, 102.0 cm2 (~80.8% screen-to-body ratio)
Resolution
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Protection
Corning Gorilla Glass 6
Brightness
HDR10+
90Hz refresh rate
700 nits typ. brightness (advertised)
Network
Technology
GSM / HSPA / LTE / 5GGSM / HSPA / LTE
2G Bands
GSM 850 / 900 / 1800 / 1900 SIM 1 & SIM 2GSM 850 / 900 / 1800 / 1900 SIM 1 & SIM 2
3G Bands
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 2100
4G Bands
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29, 38, 39, 40, 411, 3, 5, 7, 8, 20, 28, 38, 40, 41 International
5G Bands
1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78 SA/NSA
Memory
Internal Memory
128GB ROM, 6GB RAM
128GB ROM, 8GB RAM		32GB ROM, 3GB RAM
64GB ROM, 4GB RAM
Storage Type
UFS 3.1eMMC 5.1
Card Slot
microSDXC (dedicated slot)microSDXC (dedicated slot)
Connectivity
Speed
HSPA 42.2/5.76 Mbps, LTE (5CA) Cat19 1800/150 Mbps, 5G 3.6 Gbps DLHSPA, LTE
WLAN
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi DirectWi-Fi 802.11 b/g/n
Bluetooth
5.0, A2DP, LE, aptX Adaptive5.0, A2DP, LE
USB
USB Type-CmicroUSB 2.0, OTG
GPS
Yes, with dual-band A-GPS, GLONASS, GALILEO, BDS, QZSS, NavICYes, with A-GPS, GLONASS, BDS
NFC
YesNo
Camera
Main Camera
Primary: 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF
Secondary: 8 MP, f/2.4, 80mm (telephoto), PDAF, 3x optical zoom
Third: 12 MP, f/2.2, 113", 17mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF		Primary: 13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, PDAF
Secondary: 2 MP, f/2.4, (macro)
Third: 2 MP, f/2.4, (depth)
Camera Features
Dual-LED flash, HDR, auto panorama (motorized rotation)LED flash, HDR, panorama
Video
8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps, gyro-EIS, HDR1080p@30fps
Selfie Camera
Primary: Motorized flip-up main camera module
Features: Dual-LED flash, HDR, auto panorama (motorized rotation)
Video: 8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps, gyro-EIS, HDR		5 MP, f/2.2, (wide), 1/5.0", 1.12µm
Features: HDR, panorama
Video: 1080p@30fps
Multimedia
Radio
NoFM radio
Software
Operating System (OS)
Android OS, v10Android OS, v10
Upgradable
Upgradable to Android 12
UI
ZenUIRealme UI
Hardware
Chipset
Qualcomm SM8250 Snapdragon 865 5G (7 nm+)Mediatek MT6765G Helio G35 (12 nm)
CPU
Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55)Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU
Adreno 650PowerVR GE8320
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (rear-mounted), accelerometer, proximity, compass
SIM
Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
Speakers
Yes, with stereo speakers
24-bit/192kHz Hi-Res audio		Yes
Audio Jack
No3.5 mm
Battery
Battery Type
Li-Po 5000 mAh, non-removable5000 mAh, non-removable
Charging
30W wired, PD3.0, 60% in 34 min, 100% in 93 min (advertised)
Reverse wired		10W wired
Reverse wired

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