Both Xiaomi Redmi K80 and Nubia Z70 Ultra comes with same RAM. In terms of display resolution, Xiaomi Redmi K80 has better resolution of 3200 x 1440 than Nubia Z70 Ultra which has resolution of 2688 x 1216. Both have the same amount of internal memory.
| Name | Xiaomi Redmi K80 | Nubia Z70 Ultra | 
| RAM | 12 GB | 12 GB | 
|---|---|---|
| Display | 6.67 in | 6.85 in | 
| Internal Memory | 256 GB | 256 GB | 
| Battery | 6550 mAh | 6150 mAh | 
| Camera | 50 MP + 8 MP Dual | 64 MP + 50 MP + 50 MP Triple | 
| Price | Rs. 30990 | Rs. 53990 | 
The launch Date of the first phone is November 27, 2024. The Expected cost of Xiaomi Redmi K80 is Rs. 30990. The launch Date of the second phone is November 21, 2024. The Expected cost of Nubia Z70 Ultra is Rs. 53990.
Nubia Z70 Ultra has larger screen size of 6.85 inches in comparison to Xiaomi Redmi K80's 6.67 inch screen. Xiaomi Redmi K80 has OLED Screen type where as Nubia Z70 Ultra has AMOLED Screen type. Xiaomi's phone has display density of 526 PPI & Nubia's phone has only 431 PPI display density. In terms of screen to body ratio, Nubia's phone has better screen to body ratio of ~ 89.7% than Xiaomi's phone ~ 89.3%. Both mobiles have same aspect ratio of 20:9.
Both phones come with 12 GB RAM and both have same Internal Memory of 256 GB.
They both have the same 50 MP + 8 MP Dual Rear Camera. Xiaomi Redmi K80 will be better choice if you're looking to click lot of selfies as it has better 20 MP Front Camera in comparison to Nubia Z70 Ultra's 16 MP Front Camera.
Both the phones run on Android Operating System Version 15.
| Name | Xiaomi Redmi K80 | Nubia Z70 Ultra | 
| General | ||
| Model | K80 | NX733J, NX736J | 
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM | 
| Dual Sim | Yes | Yes | 
| Sim Size | Nano+Nano SIM | Nano+Nano SIM | 
| Device Type | Smartphone | Smartphone | 
| Release Date | November 27, 2024 | November 21, 2024 | 
| Design | ||
| Dimensions | 75 x 160.3 x 8.1 mm | 77.1 x 164.3 x 8.6 mm | 
| Weight | 206 g | 228 g | 
| Bezel less | Yes | |
| Colors | Black, White, Mint, Blue | Black, Amber, Blue | 
| Display | ||
| Type | Color OLED Screen (1B Colors) | Color AMOLED Screen (1B Colors) | 
| Touch | Yes, 480 Hz Touch Sampling Rate | Yes | 
| Size | 6.67 inches, 1440 x 3200 pixels, 120 Hz | 6.85 inches, 1216 x 2688 pixels, 144 Hz | 
| Aspect Ratio | 20:9 | 20:9 | 
| PPI | ~ 526 PPI | ~ 431 PPI | 
| Screen to Body Ratio | ~ 89.3% | ~ 89.7% | 
| Glass Type | Corning Gorilla Glass 7i | |
| Features | Dolby Vision, HDR10+, 1800 nits (HBM), 3200 nits (peak) | HDR10, 2000 nits (peak) | 
| Notch | Yes, Punch Hole | |
| Memory | ||
| RAM | 12 GB | 12 GB | 
| Storage | 256 GB | 256 GB | 
| Storage Type | UFS 4 | UFS 4 | 
| Connectivity | ||
| GPRS | Yes | Yes | 
| EDGE | Yes | Yes | 
| 3G | Yes | Yes | 
| 4G | Yes | Yes | 
| 5G | Yes | Yes | 
| VoLTE | Yes | Yes, Dual Stand-By | 
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot | 
| Wifi Version | Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band | |
| Bluetooth | Yes, v5.4, A2DP, LE | Yes, v5.4, A2DP, LE | 
| USB | Yes, USB-C | Yes, USB-C v3.1 | 
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging | 
| IR Blaster | Yes | Yes | 
| Extra | ||
| GPS | Yes, with A-GPS. Up to tri-band: GLONASS, BDS, GALILEO, QZSS, NavIC | Yes, with A-GPS (L1+L2+L5), GLONASS (G1+G5), BDS (B1I+B1C+B2a+B2b), GALILEO (E1+E5a), QZSS (L1+L5) | 
| Fingerprint Sensor | Yes, In Display | Yes, In Display | 
| Face Unlock | Yes | Yes | 
| Sensors | Accelerometer, Proximity, Gyro, Compass, Color Spectrum | Accelerometer, Gyro, Proximity, Compass, Color Spectrum | 
| 3.5mm Headphone Jack | No | No | 
| NFC | Yes | Yes | 
| Water Resistance | Yes, 2.5 m upto 30 min | Yes, 1.5 m upto 30 min | 
| IP Rating | IP68 | IP68 | 
| Dust Resistant | Yes | Yes | 
| Extra Features | LPDDR5X RAM, Dual Stereo Speakers | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.6 (Wide Angle) 24mm (wide), 1/1.55", 1.0µm, dual pixel PDAF, OIS 8 MP (Ultra Wide)  | 50 MP ƒ/1.6-ƒ/4 35mm (standard), 1/1.56", 1.0µm, PDAF, OIS 64 MP ƒ/2.5 (Telephoto) 85mm (periscope telephoto), 1/2.0", PDAF (15cm - ∞), OIS, 3.3x optical zoom (vs. 26mm cam) 50 MP ƒ/1.8 (Ultra Wide) 1/1.55", 1.0µm, PDAF, OIS  | 
| Camera Sensor | Sony IMX800 | |
| OIS | Yes | Yes | 
| Auto Focus | Yes | Yes | 
| Features | HDR, Panorama | Laser AF, Panorama, HDR | 
| Video Recording | 8K @ 24 fps UHD, 4K @ 60 fps UHD, 1080p @ 60 fps FHD, 720p @ 1920 fps HD | 8K @ 30 fps UHD, 4K @ 60 fps UHD, 1080p @ 60 fps FHD | 
| Flash | Yes, LED | Yes, LED | 
| Front Camera | 20 MP (Wide Angle) Punch Hole  | 16 MP ƒ/2 (Wide Angle) Under Display  | 
| Front Video Recording | 1080p @ 60 fps FHD | 1080p @ 30 fps FHD | 
| Technical | ||
| OS | Android v15 | Android v15 | 
| Custom UI | MIUI 15 | MyOS 15 | 
| Chipset | Qualcomm Snapdragon 8 Gen3 | Qualcomm Snapdragon 8 Elite | 
| CPU | 3.3 GHz, Octa Core Processor | 4.32 GHz, Octa Core Processor | 
| Core Details | 1xCortex-X4@3.3 GHz & 5xCortex-A720@3.2 GHz & 2x Cortex-A520@2.3 GHz | 2x Prime Core@4.32 GHz & 6x Performance Core@3.53 GHz | 
| GPU | Adreno 750 | Adreno 830 | 
| Java | No | No | 
| Browser | Yes | Yes | 
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | Yes | 
| Video | Yes | Yes | 
| FM Radio | No | No | 
| Document Reader | Yes | Yes | 
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery | 
| Size | 6550 mAh, Si/C | 6150 mAh, Li-ion Battery | 
| Fast Charging | Yes, 90W Fast charging | Yes, 80W Fast Charging |