Both Xiaomi 18 Pro Max and OnePlus 15 comes with same RAM. In terms of display resolution, OnePlus 15 has better resolution of 2772 x 1272 than Xiaomi 18 Pro Max which has resolution of 2608 x 1200. Xiaomi 18 Pro Max has more internal memory than OnePlus 15
| Name | Xiaomi 18 Pro Max | OnePlus 15 |
| RAM | 12 GB | 12 GB |
|---|---|---|
| Display | 6.9 in | 6.78 in |
| Internal Memory | 512 GB | 256 GB |
| Battery | 8000 mAh | 7300 mAh |
| Camera | 50 MP + 50 MP + 50 MP Triple | 50 MP + 50 MP + 50 MP Triple |
| Price | Rs. 79990 | Rs. 72999 |
The launch Date of the first phone is expected to be September 25, 2026 (Expected). The cost of Xiaomi 18 Pro Max is Rs. 79990. The launch Date of the second phone is October 27, 2025. The cost of OnePlus 15 is Rs. 72999.
Xiaomi 18 Pro Max has larger screen size of 6.9 inches in comparison to OnePlus 15's 6.78 inch screen. Both the phones have LTPO AMOLED Screen Type. OnePlus's phone has display density of 450 PPI & Xiaomi's phone has only 416 PPI display density. In terms of screen to body ratio, OnePlus's phone has better screen to body ratio of ~ 95.5% than Xiaomi's phone ~ 92.3%. Xiaomi 18 Pro Max has 20:9 aspect ratio where as OnePlus 15 has 20/9 aspect ratio.
Both mobiles come with 12 GB RAM Xiaomi 18 Pro Max has more Internal Memory (512 GB) than OnePlus 15 (256 GB).
Xiaomi 18 Pro Max has 50 MP + 50 MP + 50 MP Triple Rear Camera in comparison to OnePlus 15's 50 MP + 50 MP + 50 MP Triple Rear Camera. Xiaomi 18 Pro Max will be better choice if you're looking to click lot of selfies as it has better 50 MP Front Camera in comparison to OnePlus 15's 32 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 17 and the second one on 16 version.
| Name | Xiaomi 18 Pro Max | OnePlus 15 |
| General | ||
| Country of Origin | India | |
| Model | CPH2745, CPH2747, PLK110 | |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| SAR | 1.17 W/kg (Head) 1 W/kg (Body) | |
| Device Type | Smartphone | Smartphone |
| Release Date | September 25, 2026 (Expected) | October 27, 2025 |
| In The Box | OnePlus 15, Charger, USB data cable, SIM Ejector Tool, Protective Case, Quick Guide | |
| Design | ||
| Dimensions | 76.7 x 161.4 x 8.1 mm | |
| Weight | 211 g | |
| Colors | Infinite Black, Ultra Violet, Sand Storm | |
| Display | ||
| Type | Color LTPO AMOLED Screen (68 B) | Color LTPO AMOLED Screen (1B Colors) |
| Touch | Yes | Yes |
| Size | 6.9 inches, 1200 x 2608 pixels | 6.78 inches, 1272 x 2772 pixels, 165 Hz |
| Aspect Ratio | 20:9 | 20/9 |
| PPI | ~ 416 PPI | ~ 450 PPI |
| Screen to Body Ratio | ~ 92.3% | ~ 95.5% |
| Glass Type | Corning Gorilla Glass Victus 2 | |
| Brightness | 800 nits (typ), 1800 nits (HBM) | |
| Features | Sun Display, Reduce White Point, Eye Comfort Reminders, Motion Cues, Minimum 1nit, Eye Comfort for Gaming | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 12 GB | 12 GB |
| RAM Type | LPDDR5X Ultra | |
| Storage | 512 GB | 256 GB |
| Storage Type | UFS | UFS 4.1 |
| Card Slot | No | |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | SA: n1/2/3/5/7/8/20/28/38/40/41/48/66*/77/78/79, NSA: n1/3/5/7/8/20/28/38/40/41/66*/77/78/79 | 5G NR: n1/n2/n3/n5/n7/n8/n20/n26/n28/n38/n40/n41/n48/n66/n77/n78 |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Vo5G | Yes | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7 | Wi-Fi 7 (802.11be), Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi Display, WLAN Tethering, Wi-Fi 2.4GHz 2×2+Wi-Fi 5GHz 2×2 concurrent, Wi-Fi 5GHz 160MHz, 2×2 MIMO |
| Bluetooth | Yes, v6.0, A2DP, LE, aptX HD | Yes, v6.0, SBC, AAC, LDAC, aptX, aptX HD, aptX Adaptive, LHDC 5.0 |
| USB | Yes, USB-C v3.2 | Yes, USB-C v3.2 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | Yes | Yes |
| Performance | ||
| AnTuTu Score | 4,187,391 (Total) (v10) | |
| Extra | ||
| GPS | with GPS, Galileo, GLONASS, Beidou, NAVIC | Dual band: GPS(L1+L5), GLONASS(G1), BeiDou(B1I+B1C+B2a), Galileo(E1+E5a), QZSS(L1+L5), NavIC(L5) |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Proximity, Gyro, Compass, Bbarometer | Proximity, Ambient Light, Color Temperature, E-compass, Accelerometer, Gyroscope, In-display Ultrasonic Fingerprint Sensor, Hall Sensor, Laser Focusing Sensor, Spectral Sensor, Infrared Remote Control |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| AI Features | Plus Mind, Gemini AI | |
| Water Resistance | Yes | Yes, 2 m upto 30 min |
| IP Rating | IP69 | IP66/IP68/IP69K/IP69 |
| Dust Resistant | Yes | Yes |
| Extra Features | OP Gaming Core, Touch Response Chip, G2 Wi-Fi Chip, Bypass Charging, 360° Cryo Velocity Cooling System | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.7 (Wide Angle) 50 MP ƒ/2.6 (Telephoto) 50 MP ƒ/2.4 (Ultra Wide) | 50 MP ƒ/1.8 (Wide Angle) Sensor: Sony's IMX906, Lens Quantity: 6P, Optical Image Stabilization: Yes, Aperture: ƒ/1.8, Field of View: 84°, Autofocus: Yes 50 MP ƒ/2.8 (Telephoto) Sensor: S5KJN5 with 3.5X optical zoom, 7x optical quality zoom, Lens Quantity: 4P, Optical Image Stabilization: Yes, Aperture: ƒ/2.8, Field of View: 30°, Autofocus: Yes, Ultra Res (digital) Zoom: up to 120x zoom 50 MP ƒ/2 (Ultra Wide) Sensor: OV50D, Lens Quantity: 6P, Aperture: ƒ/2.0, Field of view: 116°, Autofocus: Yes |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Laser AF, Color Spectrum Sensor, Leica Lens, Dual-tone , HDR, Panorama | Photo, Video, Portrait, Night, Panorama, SLO-MO, Long Exposure, Dual-view video, TIME-LAPSE, HI-RES, Underwater, Master, TEXT SCANNER, DOC SCANNER, TILT-SHIFT, PRO VIDEO |
| Video Recording | 8K @ 30 fps UHD, 1080p @ 60 fps FHD, 4K @ 60 fps UHD | 8K @ 30 fps UHD, 4K @ 120/60 fps UHD, 1080p |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | 50 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus, Screen Flash | 32 MP ƒ/2.4 (Wide Angle) Sensor: Sony IMX709, Lens Quantity: 5P, Focal Length: 21 mm equivalent, Autofocus: Supported, Aperture: f/2.4 Punch Hole, Screen Flash |
| Front Video Recording | 4K @ 60 fps UHD, 1080p @ 60 fps FHD | 4K @ 60 fps UHD, 1080p @ 60 fps FHD |
| Technical | ||
| OS | Android v17 | Android v16 |
| Custom UI | HyperOS 4 | OxygenOS 16 |
| Chipset | Qualcomm Snapdragon 8 Elite Gen 6 | Qualcomm Snapdragon 8 Elite Gen 5 |
| CPU | Octa Core Processor | 4.6 GHz, Octa Core Processor |
| Core Details | 2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M | |
| GPU | Adreno | Adreno 840 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Supports | JPEG, PNG, BMP, GIF, WEB, HEIF, HEIC, DNG | |
| Yes | Yes | |
| Music | MP3, FLAC, APE, AAC, OGG, WAV, WMA, AMR, AWB | MP3, AAC, AAC+, WMA, AMR-NB, AMR-WB, WAV, FLAC, APE, OGG, MID, M4A, IMY, AC3, EAC3, EAC3-JOC, AC4 |
| Video | MP4, MKV, AVI, WMV, WEBM, 3GP, ASF playback | Dolby Vision, HDR10, HDR10+, +HLG, HDRViVid, MKV, MOV, MP4, H.265 (HEVC), AVI, WMV, TS, 3GP, ASF, FLV, WEB |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 8000 mAh, Li-Po Battery | 7300 mAh, Si/C |
| Fast Charging | Yes, 120W Fast Charging | Yes, 120W SUPERVOOC Charging |
| Wireless Charging | Yes, 50W | Yes, 50W AIRVOOC |
| Reverse Charging | Yes | Yes, 10W |
| Reverse Wireless Charging | Yes, 22.5W | Yes, 5W |