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Brand | xiaomi | oppo | |
Model | xiaomi redmi k90 | oppo reno4 pro | |
Announced | 2025 October 23 | 2020 July 31 | |
Status | Available. Released 2025 October 23 | Available. Released 2020 August 05 | |
Device Body | glass front | aluminum frame | glass front ( gorilla glass 5 ) | plastic frame | plastic back | |
Dimensions | 157.5 x 75.3 x 8 mm ( 6.20 x 2.96 x 0.31 in ) | 160.2 x 73.2 x 7.7 mm ( 6.31 x 2.88 x 0.30 in ) | |
Weight in gram | 206 | 161 | |
SIM card | Nano-SIM + Nano-SIM | dual SIM ( Nano-SIM | dual stand-by ) | |
Water Resistance | ip68 dust tight and water resistant immersible up to 1.5meterfor 30 min | No | |
Display type | AMOLED | 68b colors | 2560hz pwmillion| 120hz | dolby vision | hdr vivid | hdr10+ | 3500 Luminance units ( the peak ) | Super AMOLED | 90hz | HDR10 | 500 Luminance units ( typ ) | |
Display resolution | 1156 x 2510 pixels | 19.5 : 9 ratio ( ~419 pixel per inch density ) | 1080 x 2400 pixels | 20 : 9 ratio ( ~402 pixel per inch density ) | |
Display size | 6.59 inches | 106.5 cm2 ( ~89.8% screen to body ratio ) | 6.5 inches | 103.5 cm2 ( ~88.3% screen to body ratio ) | |
Display Protection | corning gorilla glass 5 | ||
Operating System | android 16 | hyperos 3 | android 10 | coloros 7.2 | |
CPU | Octa-core ( 2x4.32 GHz oryon v2 phoenix l + 6x3.53 GHz oryon v2 phoenix m ) | Octa-core ( 2x2.3 GHz kryo 465 gold & 6x1.8 GHz kryo 465 silver ) | |
Chipset | Qualcomm sm8750-ab snapdragon 8 elite ( 3 nm ) | Qualcomm sm7125 snapdragon 720g ( 8 nm ) | |
GPU | adreno 830 | adreno 618 | |
Memory card | No | microsdxc ( dedicated slot ) | |
Memory v1 | 256gb 12gb RAM | 128gb 8gb RAM | |
Memory v2 | 512gb 12gb RAM | 512gb 16gb RAM | 1tb 16gb RAM | 256gb 8gb RAM | |
Primary camera | 50 megapixel| lens aperture1.9 | 24mm ( wide ) | 1/1.55" | 1.0µm | phase detection autofocus | OIS 50 megapixel| lens aperture2.2 | 60mm ( telephoto ) | phase detection autofocus | 2.5x optical zoom 8 megapixel| lens aperture2.2 | 15mm | 120˚ ( ultrawide ) | 48 megapixel| lens aperture1.7 | 26mm ( wide ) | 1/2.0" | 0.8��m | phase detection autofocus 8 megapixel| lens aperture2.2 | 119�� ( ultrawide" | 1.12��m 2 megapixel| lens aperture2.4 | ( macro ) 2 megapixel| lens aperture2.4 | ( de | |
Secondary camera | 20 megapixel| ( wide ) | 1/2.0" | 0.8µm | 32 megapixel| lens aperture2.4 | 26mm ( wide ) | 1/2.8" | 0.8� | |
Loud speaker | Yes with stereo speakers | Yes | |
Audio jack | No | Yes | |
WLAN | Wi-Fi 802.11 a/b/g/n/ac/6/7 | dual-band | Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct | hotspot | |
Bluetooth | 5.4 | a2dp | le | lhdc 5.0 | asha | 5.1.0 | a2dp | le | aptx hd | |
GPS | Yes with a-gps glonass galileo bds qzss gnss | ||
NFC | Yes | Yes ( market/region dependent ) | |
Radio | No | FM Radio | |
USB | USB Type-C | otg | USB Type-C 2.0 | USB on-the-go | |
Sensors | fingerprint ( under display | ultrasonic ) | accelerometer | gyroscope | proximity | compass | fingerprint ( under display | optical ) | accelerometer | gyroscope | proximity | compass | |
Battery | si/c li-po 7100 mAh | li-po 4000 mAh | Non-removable | |
Battery Charge | 100w wired | pd3.0 | qc3+ | 100w pps | 22.5w reverse wired | Fast charging 65w | 60% in 15 min | 100% in 36 min ( advertised ) | |
Colors | black, white, blue, purple | starry night, white color gradations | |
Network technology | gsm / hspa / lte / 5g | gsm / hspa / lte | |
5G bands | 1 | 3 | 5 | 7 | 8 | 28 | 66 | 38 | 40 | 41 | 48 | 77 | 78 sa/nsa | ||
Network speed | hspa lte 5g | hspa 42.2/5.76 mbps lte-a | |
GPRS | |||
EDGE | |||
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