Compare Devices
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Brand |
samsung | samsung | xiaomi |
Model |
samsung galaxy f02s | samsung galaxy a8 star (a9 star) | xiaomi redmi 8a |
Announced |
2021 April 05 | 2018 June | 2019 September 25 |
Status |
Available. Released 2021 April 09 | Available. Released 2018 June | Available. Released 2019 September 30 |
Device Body |
glass front | plastic back | plastic frame | glass front ( gorilla glass 5 ) | glass back ( gorilla glass 5 ) | aluminum frame | glass front ( gorilla glass 5 ) | plastic back | plastic frame |
Dimensions |
164.2 x 75.9 x 9.1 mm ( 6.46 x 2.99 x 0.36 in ) | 162.4 x 77 x 7.6 mm ( 6.39 x 3.03 x 0.30 in ) | 156.5 x 75.4 x 9.4 mm ( 6.16 x 2.97 x 0.37 in ) |
Weight in gram |
196 | 191 | 188 |
SIM card |
dual SIM ( Nano-SIM | dual stand-by ) | Hybrid dual SIM ( Nano-SIM | dual stand-by ) | dual SIM ( Nano-SIM | dual stand-by ) |
Water Resistance |
No | No | water repellent coating |
Display type |
pls LCD | Super AMOLED | IPS LCD | 400 Luminance units ( typ ) |
Display resolution |
720 x 1600 pixels | 20 : 9 ratio ( ~270 pixel per inch density ) | 1080 x 2220 pixels | 18.5 : 9 ratio ( ~392 pixel per inch density ) | 720 x 1520 pixels | 19 : 9 ratio ( ~270 pixel per inch density ) |
Display size |
6.5 inches | 102.0 cm2 ( ~81.8% screen to body ratio ) | 6.3 inches | 100.7 cm2 ( ~80.6% screen to body ratio ) | 6.22 inches | 96.6 cm2 ( ~81.8% screen to body ratio ) |
Display Protection |
corning gorilla glass 5 | corning gorilla glass 5 | |
Operating System |
android 10 | android 8.0 ( oreo ) | upgradable to android 9.0 ( pie ) | one ui | android 9.0 ( pie ) | upgradable to android 10 | miui 12 |
CPU |
Octa-core 1.8 GHz cortex-a53 | Octa-core ( 4x2.2 GHz kryo 260 gold & 4x1.8 GHz kryo 260 silver ) | Octa-core ( 4x1.95 GHz cortex-a53 & 4x1.45 GHz Cortex a53 ) |
Chipset |
Qualcomm sdm450 snapdragon 450 ( 14 nm ) | Qualcomm sdm660 snapdragon 660 ( 14 nm ) | Qualcomm sdm439 snapdragon 439 ( 12 nm ) |
GPU |
adreno 506 | adreno 512 | adreno 505 |
Memory card |
microsdxc ( dedicated slot ) | microsdxc ( uses shared sim slot ) | microsdxc ( dedicated slot ) |
Memory v1 |
32gb 3gb RAM | 64gb 4gb RAM | 32gb 2gb RAM |
Memory v2 |
64gb 4gb RAM | 64gb 6gb RAM | 32gb 3gb RAM | 64gb 4gb RAM |
Primary camera |
13 megapixel| lens aperture2.2 | ( wide ) | Auto focus 2 megapixel| lens aperture2.4 | ( macro ) 2 megapixel| lens aperture2.4 | ( depth ) |
24 megapixel| lens aperture1.7 | 27mm ( wide ) | 1/2.8" | 0.9µm | phase detection autofocus 16 megapixel| lens aperture1.7 | phase detection autofocus |
12 megapixel| lens aperture1.8 | ( wide ) | 1/2.55" | 1.4µm | Dual Pixel phase detection autofocus |
Secondary camera |
5 megapixel| lens aperture2.2 |
24 megapixel| lens aperture2.0 | 26mm ( wide ) | 1/2.8" | 0.9µm |
8 megapixel| lens aperture2.0 | 1/4" | 1.12µm |
Loud speaker |
Yes | Yes | Yes |
Audio jack |
Yes | Yes | Yes |
WLAN |
Wi-Fi 802.11 b/g/n | Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct | hotspot | Wi-Fi 802.11 b/g/n | Wi-Fi Direct | hotspot |
Bluetooth |
4.2 | a2dp | 5.0 | a2dp | le | 4.2 | a2dp | le |
GPS |
Yes with a-gps glonass bds galileo | Yes with a-gps glonass bds | |
NFC |
No | Yes | No |
Radio |
FM Radio | FM Radio | FM Radio | built-in antenna |
USB |
USB Type-C 2.0 | otg | USB Type-C 2.0 | USB Type-C 2.0 | USB on-the-go |
Sensors |
accelerometer | proximity | fingerprint ( rear-mounted ) | accelerometer | gyroscope | proximity | compass | accelerometer | proximity | compass |
Battery |
li-po 5000 mAh | Non-removable | Li-lon 3700 mAh | Non-removable | li-po 5000 mAh | Non-removable |
Battery Charge |
15w wired | Fast charging 15w | Fast charging 18w |
Colors |
ceramic color color gradations, white color gradations, black color gradations | black, white | black color gradations, ocean color color gradations, sunset color color gradations |
Network technology |
gsm / hspa / lte | gsm / cdma / hspa / lte | gsm / hspa / lte |
5G bands |
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Network speed |
hspa 42.2/5.76 mbps lte cat4 150/50 mbps | hspa 42.2/5.76 mbps lte-a (3ca) cat9 450/50 mbps | hspa 42.2/5.76 mbps lte-a |
GPRS |
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EDGE |
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Approx price |
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100 GBP
127 EUR
1130 NOK
1200 SEK
7300 RUB
120 USD
620 BRL
170 AUD
160000 KRW
16000 JPY
160 SGD
520 MYR
430 AED
2000 ZAR
