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Brand | xiaomi | oppo | alcatel |
Model | xiaomi redmi k40 | oppo f31 pro+ | alcatel 1s (2021) |
Announced | 2021 February 25 | 2025 September 16 | 2021 January 12 |
Status | Available. Released 2021 March 04 | Available. Released 2025 September 16 | Available. Released 2021 March 25 |
Device Body | glass front | plastic back | plastic frame | ||
Dimensions | 163.7 x 76.4 x 7.8 mm ( 6.44 x 3.01 x 0.31 in ) | 163.1 x 77.6 x 7.7 mm or 7.9 mm | 165.6 x 75.6 x 8.8 mm ( 6.52 x 2.98 x 0.35 in ) |
Weight in gram | 196 | 195 | 190 |
SIM card | dual SIM ( Nano-SIM | dual stand-by ) | Nano-SIM + Nano-SIM | · Nano-SIM |
Water Resistance | No | ip68/ip69 dust tight and water resistant high pressure water jets; immersible up to 1.5meterfor 30 min | No |
Display type | Super AMOLED | 120hz | hdr10+ | 1300 Luminance units ( the peak ) | AMOLED | 1b colors | 120hz | 1600 Luminance units ( hbmillion) | IPS LCD |
Display resolution | 1080 x 2400 pixels | 20 : 9 ratio ( ~395 pixel per inch density ) | 1280 x 2800 pixels | 19.5 : 9 ratio ( ~453 pixel per inch density ) | 720 x 1600 pixels | 20 : 9 ratio ( ~269 pixel per inch density ) |
Display size | 6.67 inches | 107.4 cm2 ( ~85.9% screen to body ratio ) | 6.8 inches | 112.8 cm2 ( ~89.1% screen to body ratio ) | 6.52 inches | 102.6 cm2 ( ~82.0% screen to body ratio ) |
Display Protection | corning gorilla glass 5 | agc dt-star d+ | |
Operating System | android 11 | miui 12 | android 15 | coloros 15 | android 11 |
CPU | Octa-core ( 1x3.2 GHz kryo 585 & 3x2.42 GHz kryo 585 & 4x1.80 GHz kryo 585 ) | Octa-core ( 1x2.63 GHz cortex-a715 & 3x2.4 GHz cortex-a715 & 4x1.8 GHz cortex-a510 ) | Octa-core ( 4x1.8 GHz cortex-a53 & 4x1.5 GHz cortex-a53 ) |
Chipset | Qualcomm sm8250-ac snapdragon 870 5g ( 7 nm ) | Qualcomm sm7550-ab snapdragon 7 generation 3 ( 4 nm ) | mediatek mt6762d helio p22 ( 12 nm ) |
GPU | adreno 650 | adreno 720 | powervr ge8320 |
Memory card | No | No | microsdxc ( uses shared sim slot ) |
Memory v1 | 128gb 6gb RAM | 256gb 8gb RAM | 32gb 3gb RAM |
Memory v2 | 128gb 8gb RAM | 256gb 8gb RAM | 256gb 12gb RAM | 256gb 12gb RAM | |
Primary camera | 48 megapixel| lens aperture1.8 | 26mm ( wide ) | 1/2" | 0.8µm | phase detection autofocus 8 megapixel| lens aperture2.2 | 119˚ ( ultrawide ) 5 megapixel| lens aperture2.4 | 50mm ( macro ) | 1/5.0" | 1.12µm | 50 megapixel| lens aperture1.8 | ( wide ) | phase detection autofocus | OIS auxiliary lens | 13 megapixel| lens aperture2.0 | 27mm ( wide ) | 1/3.06" | 1.12µm | phase detection autofocus 2 megapixel ( macro ) auxiliary lens |
Secondary camera | 20 megapixel| lens aperture2.5 | ( wide ) | 1/3.4" | 0.8µm | 32 megapixel| lens aperture2.4 | ( wide ) | 5 megapixel| lens aperture2.2 | 27mm ( wide ) | 1/5.0" | 1.12µm |
Loud speaker | Yes with stereo speakers | Yes with stereo speakers | Yes |
Audio jack | No | No | Yes |
WLAN | Wi-Fi 802.11 a/b/g/n/ac/6 | dual-band | Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6 | dual-band | Wi-Fi 802.11 b/g/n | Wi-Fi Direct |
Bluetooth | 5.1.0 | a2dp | le | 5.2 | a2dp | le | aptx hd | 5.0 | a2dp | le |
GPS | |||
NFC | Yes | No | No |
Radio | No | No | FM Radio |
USB | USB Type-C 2.0 | otg | USB Type-C 2.0 | otg | microusb 2.0 | otg |
Sensors | fingerprint ( side-mounted ) | accelerometer | gyroscope | proximity | compass | color spectrum | fingerprint ( under display | optical ) | accelerometer | gyroscope | proximity | compass | fingerprint ( rear-mounted ) | accelerometer | proximity | compass |
Battery | li-po 4520 mAh | Non-removable | si/c Li-lon 7000 mAh | li-po 4000 mAh |
Battery Charge | 33w wired | pd3.0 | qc3 | 100% in 52 min ( advertised ) | 80w wired | 13.5w pd | 44w ufcs | 33w pps | 42% in 20 min | 10w reverse wired | 10w wired |
Colors | black, white, aurora color | pink color gradations, white color gradations, blue color gradations | black color gradations, twilight color color gradations |
Network technology | gsm / cdma / hspa / cdma2000 / lte / 5g | gsm / hspa / lte / 5g | gsm / hspa / lte |
5G bands | 1 | 3 | 28 | 41 | 77 | 78 sa/nsa/sub6 | 1 | 3 | 5 | 8 | 28 | 38 | 40 | 41 | 77 | 78 sa/nsa | |
Network speed | hspa lte-a 5g | hspa lte 5g | hspa 42.2/5.76 mbps lte cat4 150/50 mbps |
GPRS | |||
EDGE | |||
Approx price |
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230 GBP
273 EUR
2670 NOK
2900 SEK
17200 RUB
280 USD
1450 BRL
400 AUD
360000 KRW
37000 JPY
380 SGD
1230 MYR
1010 AED
4700 ZAR
