Compare Devices
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Brand | asus | realme | realme |
Model | asus zenfone ar zs571kl | realme c21y | realme 13 4g |
Announced | 2017 January | 2021 June 21 | 2024 August 07 |
Status | Available. Released 2017 June | Available. Released 2021 July 02 | Available. Released 2024 August 08 |
Device Body | glass front | plastic back | plastic frame | ||
Dimensions | 158.7 x 77.7 x 9 mm ( 6.25 x 3.06 x 0.35 in ) | 164.5 x 76 x 9.1 mm ( 6.48 x 2.99 x 0.36 in ) | 163 x 75.5 x 7.9 mm ( 6.42 x 2.97 x 0.31 in ) |
Weight in gram | 170 | 200 | 187 |
SIM card | Hybrid dual SIM ( Nano-SIM | dual stand-by ) | dual SIM ( Nano-SIM | dual stand-by ) | Nano-SIM + Nano-SIM |
Water Resistance | No | ip64 dust tight and water resistant water splashes | |
Display type | Super AMOLED capacitive touchscreen | 16millioncolors | IPS LCD | 400 Luminance units ( typ ) | AMOLED | 120hz | 600 Luminance units ( typ ) | 2000 Luminance units ( the peak ) |
Display resolution | 1440 x 2560 pixels | 16 : 9 ratio ( ~515 pixel per inch density ) | 720 x 1600 pixels | 20 : 9 ratio ( ~270 pixel per inch density ) | 1080 x 2400 pixels | 20 : 9 ratio ( ~395 pixel per inch density ) |
Display size | 5.7 inches | 89.6 cm2 ( ~72.6% screen to body ratio ) | 6.5 inches | 102.0 cm2 ( ~81.6% screen to body ratio ) | 6.67 inches | 107.4 cm2 ( ~87.3% screen to body ratio ) |
Display Protection | |||
Operating System | android 7 ( nougat ) | zenui 3 | android 10/ android 11 | android 14 | realme ui 5.0 |
CPU | Quad-core ( 2x2.35 GHz kryo & 2x1.6 GHz kryo ) | Octa-core ( 2x1.8 GHz cortex-a75 & 6x1.8 GHz cortex-a55 ) | Octa-core ( 4x2.8 GHz cortex-a73 & 4x1.9 GHz cortex-a53 ) |
Chipset | Qualcomm msm8996 snapdragon 821 ( 14 nm ) | unisoc t610 ( 12 nm ) | Qualcomm sm6225 snapdragon 685 ( 6 nm ) |
GPU | adreno 530 | mali-g52 mp2 | adreno 610 |
Memory card | microsdxc ( uses shared sim slot ) | microsdxc ( dedicated slot ) | microsdxc ( uses shared sim slot ) |
Memory v1 | 64gb 6gb RAM | 32gb 3gb RAM | 128gb 8gb RAM |
Memory v2 | 128gb 6gb RAM | 256gb 8gb RAM | 64gb 4gb RAM | 256gb 8gb RAM |
Primary camera | 23 megapixel| lens aperture2.0 | 1/2.6" | 1.0µm | phase detection autofocus | 4-axis OIS | depth & motion tracking sensors | 13 megapixel| lens aperture2.2 | 26mm ( wide ) | 1/3.06" | 1.12µm | phase detection autofocus 2 megapixel| lens aperture2.4 | ( macro ) -- | 50 megapixel| lens aperture1.9 | 26mm ( wide ) | 1/1.95" | phase detection autofocus | OIS 2 megapixel| lens aperture2.4 | ( depth ) |
Secondary camera | 8 megapixel| lens aperture2.0 | 5 megapixel| lens aperture2.2 | ( wide ) | 1/5.0" | 1.12µm | 16 megapixel| lens aperture2.5 | ( wide ) |
Loud speaker | Yes | Yes | Yes with dual speakers |
Audio jack | Yes | Yes | Yes |
WLAN | Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct | hotspot | Wi-Fi 802.11 b/g/n | hotspot | Wi-Fi 802.11 a/b/g/n/ac | dual-band |
Bluetooth | 4.2 | a2dp | le | 5.0 | a2dp | le | 5.0 | a2dp | le |
GPS | Yes with a-gps glonass bds | ||
NFC | No | Yes | 360Ë | |
Radio | FM Radio | unspecified | unspecified |
USB | 2.0 | Type-C 1.0.0 reversible connector | USB on-the-go | microusb 2.0 | USB on-the-go | USB Type-C 2.0 |
Sensors | fingerprint ( front-mounted ) | accelerometer | gyroscope | proximity | compass | barometer | fingerprint ( rear-mounted ) | accelerometer | proximity | compass | fingerprint ( under display | optical ) | accelerometer | gyroscope | proximity | compass |
Battery | Non-removable Li-lon 3300 mAh battery | li-po 5000 mAh | Non-removable | 5000 mAh |
Battery Charge | reverse wired | 67w wired | 50% in 19 min | 100% in 47 min | |
Colors | black | black color gradations, blue color gradations | blue color gradations, green color gradations |
Network technology | gsm / hspa / lte | gsm / hspa / lte | gsm / hspa / lte |
5G bands | |||
Network speed | hspa 42.2/5.76 mbps lte-a (3ca) cat12 600/75 mbps | hspa lte | hspa lte |
GPRS | |||
EDGE | |||
Approx price |
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310 GBP
374 EUR
3660 NOK
3900 SEK
23600 RUB
380 USD
1990 BRL
550 AUD
500000 KRW
51000 JPY
520 SGD
1680 MYR
1380 AED
6400 ZAR
