Product
OnePlus 3
OnePlus 3
Xiaomi Redmi K80 Ultra
Xiaomi Redmi K80 Ultra
Battery
Charging 20W wired 100W wired, PD3.0 Bypass charging
Type Li-Ion 3000 mAh, non-removable Si/C Li-Ion 7410 mAh
Body
Build Glass front (Gorilla Glass 4), aluminum back, aluminum frame Glass front, aluminum frame
Dimensions 152.7 x 74.7 x 7.4 mm (6.01 x 2.94 x 0.29 in) 163.1 x 77.9 x 8.2 mm (6.42 x 3.07 x 0.32 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 158 g (5.57 oz) 219 g (7.72 oz)
  - IP68 dust tight and water resistant (immersible up to 2m for 30 min)
Comms
Bluetooth 4.2, A2DP, LE, aptX HD 5.4, A2DP, LE, LHDC 5
Infrared port - Yes
NFC Yes Yes
Positioning GPS, GLONASS, BDS GPS (L1+L5), BDS (B1I+B1C+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC, GLONASS
Radio No Unspecified
USB USB Type-C 2.0 USB Type-C
WLAN Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, DLNA Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 4 Scratch/drop-resistant glass
Resolution 1080 x 1920 pixels, 16:9 ratio (~401 ppi density) 1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)
Size 5.5 inches, 83.4 cm2 (~73.1% screen-to-body ratio) 6.83 inches, 114.5 cm2 (~90.2% screen-to-body ratio)
Type Optic AMOLED OLED, 68B colors, 144Hz, Dolby Vision, HDR10+, HDR Vivid, 1800 nits (HBM), 3200 nits (peak)
Features
Sensors Fingerprint (front-mounted), accelerometer, gyro, proximity, compass Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
Launch
Announced 2016, June. Released 2016, June 2025, June 26
Status Discontinued Available. Released 2025, June 26
Main Camera
Dual - 50 MP, f/1.9, 23mm (wide), 1/1.55", 1.0µm, PDAF, OIS 8 MP, 119˚ (ultrawide), 1/4.0", 1.12µm
Features LED flash, panorama, HDR Color spectrum sensor, Dual-LED dual-tone flash, HDR, panorama
Single 16 MP, f/2.0, 1/2.8", 1.12µm, PDAF, OIS -
Video 4K@30fps, 1080p@30/60fps, 720p@120fps, Auto HDR 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS
Memory
Card slot No No
Internal 64GB 6GB RAM 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
  - UFS 4.1
Misc
Colors Graphite, soft gold Gray, White, Blue, Green
Models A3003, A3000, SM-A3000 -
SAR EU 0.39 W/kg (head)     0.32 W/kg (body)     -
Network
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 800 / 850 / 900 / 1700(AWS) / 2100
4G bands 1, 3, 5, 7, 8, 20, 38, 40 1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66
5G bands - 1, 3, 5, 7, 8, 26, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA
Speed HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps HSPA, LTE, 5G
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
  - CDMA2000 1x
Our Tests
Audio quality Noise -93.4dB / Crosstalk -94.4dB -
Battery (old) Endurance rating 66h -
Camera Photo / Video -
Display Contrast ratio: Infinite (nominal), 4.424(sunlight) -
Loudspeaker Voice 62dB / Noise 71dB / Ring 77dB -
Performance Basemark OS II 2.0: 2365Basemark X: 32715 -
Platform
Chipset Qualcomm MSM8996 Snapdragon 820 (14 nm) Mediatek Dimensity 9400+ (3 nm)
CPU Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo) Octa-core (1x3.63 GHz Cortex-X925 & 3x3.3 GHz Cortex-X4 & 4x2.4 GHz Cortex-A720)
GPU Adreno 530 Immortalis-G925
OS Android 6.0.1 (Marshmallow), upgradable to Android 9.0 (Pie) Android 15, HyperOS 2
Selfie camera
Features - HDR
Single 8 MP, f/2.0, 1/3.2", 1.4µm 20 MP, (wide), 1/2.0", 0.8µm
Video 1080p@30/60fps
Sound
3.5mm jack Yes No
Loudspeaker Yes Yes, with stereo speakers
  - 24-bit/192kHz Hi-Res & Hi-Res Wireless audio