Samsung Galaxy A21 vs Vivo Y400
Product
Price
199 USD
199 USD
Status
Available
Available
Brand
Samsung Mobile
Vivo Mobiles
Model No
Galaxy A21
Vivo Y400
Launch Date
2020, February 01
2025, August 07
Website
Technology
GSM / CDMA / HSPA / EVDO / LTE
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only)
CDMA 800 / 1900
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA
CDMA2000 1xEV-DO
HSDPA 800 / 850 / 900 / 2100
4G bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71 - USA
1, 3, 4, 5, 8, 18, 19, 26, 28, 38, 40, 41, 42, 48
Speed
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA, LTE, 5G
5G bands
1, 3, 5, 8, 28, 40, 77, 78 SA/NSA
Dimensions
167.8 x 76.7 x 8.1 mm (6.61 x 3.02 x 0.32 in)
162.3 x 75.3 x 7.9 mm (6.39 x 2.96 x 0.31 in)
Weight
193 g (6.81 oz)
197 g (6.95 oz)
Build
Glass front, plastic back, plastic frame
Glass front, plastic back, plastic frame
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 2m for 30 min)
MIL-STD-810H compliant*
* does not guarantee ruggedness or use in extreme conditions
SIM
Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Nano-SIM + Nano-SIM
Colors
Black
Glam White, Olive Green
Type
IPS LCD capacitive touchscreen, 16M colors
AMOLED, 120Hz, 1200 nits (HBM), 1800 nits (peak)
Size
6.5 inches, 102.0 cm2 (~79.3% screen-to-body ratio)
6.67 inches, 107.4 cm2 (~87.9% screen-to-body ratio)
Resolution
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
OS
Android 10, One UI 2.0
Android 15, Funtouch 15
Chipset
Octa-core (4x2.3 GHz & 4x1.8 GHz)
Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm)
CPU
Octa core (2 x 1.8 GHz Cortex A73 + 6x 1.6 GHz Cortex A53)
Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55)
GPU
microSDXC (dedicated slot)
Adreno 613
RAM
3GB
8GB
Storage
32GB Built-in,
eMMC 5.1
128GB/256GB
UFS 3.1
Card Slot
microSDXC (dedicated slot)
Lens 1
16 MP, f/1.8, (wide), 1/3.06", 1.0µm, PDAF
50 MP, f/1.8, (wide), 1/2.96", PDAF
Lens 2
8 MP, f/2.2, (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (depth)
Lens 3
2 MP, f/2.4, (macro)
Lens 4
2 MP, f/2.4, (depth)
Features
LED flash, panorama, HDR
Ring-LED flash, panorama, HDR
Video
1080p@30fps
1080p@30fps
Lens 1
13 MP, f/2.0, (wide)
32 MP, f/2.5, (wide)
Video
1080p@30fps
1080p@30fps
Capacity
Li-Po 4000 mAh, non-removable
Li-Ion 6000 mAh
Charging
Fast charging 15W
90W wired, 50% in 20 min
Reverse wired
Bypass Charging
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Circle to Search
Loudspeaker
Yes
Yes, with stereo speakers
3.5mm jack
Yes
No
24-bit/192kHz Hi-Res 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, dual-band
Bluetooth
5.0, A2DP, LE
5.0, A2DP, LE
GPS
Yes, with A-GPS, GLONASS, BDS
GPS, GLONASS, GALILEO, BDS, QZSS
NFC
Yes (market/region dependent)
Radio
Unspecified
USB
2.0, Type-C 1.0 reversible connector
USB Type-C 2.0, OTG