Product
Oppo Reno4 Z 5G
Oppo Reno4 Z 5G
Xiaomi Redmi K80 Ultra
Xiaomi Redmi K80 Ultra
Battery
Charging 18W wired 100W wired, PD3.0 Bypass charging
Type Li-Po 4000 mAh Si/C Li-Ion 7410 mAh
Body
Build - Glass front, aluminum frame
Dimensions 163.8 x 75.5 x 8.1 mm (6.45 x 2.97 x 0.32 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 184 g (6.49 oz) 219 g (7.72 oz)
  - IP68 dust tight and water resistant (immersible up to 2m for 30 min)
Comms
Bluetooth 5.1, A2DP, LE, aptX HD 5.4, A2DP, LE, LHDC 5
Infrared port - Yes
NFC Yes Yes
Positioning GPS, GLONASS, GALILEO, BDS, QZSS 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, OTG USB Type-C
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 3+ Scratch/drop-resistant glass
Resolution 1080 x 2400 pixels, 20:9 ratio (~401 ppi density) 1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)
Size 6.57 inches, 104.2 cm2 (~84.3% screen-to-body ratio) 6.83 inches, 114.5 cm2 (~90.2% screen-to-body ratio)
Type IPS LCD, 120Hz, 480 nits (typ) OLED, 68B colors, 144Hz, Dolby Vision, HDR10+, HDR Vivid, 1800 nits (HBM), 3200 nits (peak)
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
Launch
Announced 2020, September 29 2025, June 26
Status Available. Released 2020, October 15 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, HDR, panorama Color spectrum sensor, Dual-LED dual-tone flash, HDR, panorama
Quad 48 MP, f/1.7, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (depth) 2 MP, f/2.4, (depth) -
Video 4K@30fps, 1080p@30fps, gyro-EIS 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS
Memory
Card slot No No
Internal 128GB 8GB RAM, 256GB 12GB RAM 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
  UFS 2.1 UFS 4.1
Misc
Colors Ink Black, Dew White Gray, White, Blue, Green
Models CPH2065 -
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 800 / 850 / 900 / 1700(AWS) / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66 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, 20, 28, 38, 40, 41, 77, 78 SA/NSA 1, 3, 5, 7, 8, 26, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA
Speed HSPA, LTE, 5G 3.5 Gbps DL HSPA, LTE, 5G
Technology GSM / HSPA / LTE / 5G GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
  - CDMA2000 1x
Our Tests
Battery (old) Endurance rating 78h -
Camera Photo / Video -
Display 1284:1 contrast ratio, 398 nits max brightness (measured) -
Loudspeaker -28.1 LUFS (Average) -
Performance AnTuTu: 295562 (v8) GeekBench: 2196 (v5.1) GFXBench: 16fps (ES 3.1 onscreen) -
Platform
Chipset Mediatek Dimensity 800 (7 nm) Mediatek Dimensity 9400+ (3 nm)
CPU Octa-core (4x2.0 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55) Octa-core (1x3.63 GHz Cortex-X925 & 3x3.3 GHz Cortex-X4 & 4x2.4 GHz Cortex-A720)
GPU Mali-G57 MC4 Immortalis-G925
OS Android 10, upgradable to Android 11, ColorOS 11.1 Android 15, HyperOS 2
Selfie camera
Dual 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm 2 MP, f/2.4, (depth) -
Features HDR HDR
Single - 20 MP, (wide), 1/2.0", 0.8µm
Video 1080p@30fps 1080p@30/60fps
Sound
3.5mm jack Yes No
Loudspeaker Yes Yes, with stereo speakers
  24-bit/192kHz Hi-Res audio 24-bit/192kHz Hi-Res & Hi-Res Wireless audio