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 2624 x 1208. Both have the same amount of internal memory.
| Name | Xiaomi 18 Pro Max | OnePlus 15 |
| RAM | 12 GB | 12 GB |
|---|---|---|
| Display | 6.9 in | 6.78 in |
| Internal Memory | 256 GB | 256 GB |
| Battery | 8500 mAh | 7300 mAh |
| Camera | 200 MP + 200 MP + 50 MP Triple | 50 MP + 50 MP + 50 MP Triple |
| Price | Rs. 99999 | Rs. 85999 |
The launch Date of the first phone is September 23, 2026. The Expected cost of Xiaomi 18 Pro Max is Rs. 99999. The launch Date of the second phone is October 27, 2025. The cost of OnePlus 15 is Rs. 85999.
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 418 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 ~ 91.6%. 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 and both have same Internal Memory of 256 GB.
Xiaomi 18 Pro Max's 200 MP + 200 MP + 50 MP Triple Rear Camera outclasses OnePlus 15's 50 MP + 50 MP + 50 MP Triple Rear Camera in terms of resolution. 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 | 18 pro max | 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 |
| eSIM Support | Yes | |
| SAR | 1.17 W/kg (Head) 1 W/kg (Body) | |
| Device Type | Smartphone | Smartphone |
| Release Date | September 23, 2026 | October 27, 2025 |
| In The Box | OnePlus 15, Charger, USB data cable, SIM Ejector Tool, Protective Case, Quick Guide | |
| Design | ||
| Dimensions | 77.6 x 163.4 x 8.4 mm | 76.7 x 161.4 x 8.1 mm |
| Weight | 235 g | 211 g |
| Colors | Black, White, Pink, Red | 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, 1208 x 2624 pixels, 120 Hz | 6.78 inches, 1272 x 2772 pixels, 165 Hz |
| Aspect Ratio | 20:9 | 20/9 |
| PPI | ~ 418 PPI | ~ 450 PPI |
| Screen to Body Ratio | ~ 91.6% | ~ 95.5% |
| Glass Type | Xiaomi Dragon Crystal Glass 3 | Corning Gorilla Glass Victus 2 |
| Brightness | 4000 nits (peak) | 800 nits (typ), 1800 nits (HBM) |
| HDR Support | Yes, Dolby Vision | |
| Adaptive Refresh Rate | Yes, LTPO | Yes |
| Display Dimming | 2160Hz PWM, 120Hz | |
| Color Gamut | Support 100% DCI-P3 | |
| Features | Dolby Vision, Sun Display, Reduce White Point, Eye Comfort Reminders, Motion Cues, Minimum 1nit, Eye Comfort for Gaming | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Dual Display | 2.9 inches, LTPO AMOLED, 596 x 976 pixels, 120Hz, Dolby Vision, HDR Vivid, HDR10+, BT.2020, 4000 nits (peak) | |
| Memory | ||
| RAM | 12 GB | 12 GB |
| RAM Type | LPDDR5X Ultra | |
| Storage | 256 GB | 256 GB |
| Storage Type | UFS 4.1 | 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 | 3,677,810 (Total) (v11) 1,129,775 (CPU) 1,319,203 (GPU) 428,136 (Memory) 800,696 (UX) | |
| 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, Barometer | 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 |
| Cooling System | 360° Cryo Velocity Cooling System: Cool Under Pressure., Game-changing Military-grade Gyro, First to support Native 165fps on CODM | |
| Gaming Features | Always-on 120 FPS. Period., 120 FPS in games like MLBB | |
| AI Features | Plus Mind, Gemini AI | |
| Water Resistance | Yes, 6 m upto 30 min | Yes, 2 m upto 30 min |
| IP Rating | IP68 | 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 | 200 MP ƒ/1.7 (Wide Angle) 23mm (wide), 1/1.28", 0.61µm, dual pixel PDAF, OIS 200 MP ƒ/2.4 (Periscope Telephoto) 1/1.56", PDAF (10cm - ∞), OIS, 3.2x optical zoom 50 MP ƒ/2.4 (Ultra Wide) 17mm, 102˚ (ultrawide), 1/2.88", 0.61µm, PDAF | 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 @ 120 fps FHD, 720p | 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 |
| Front Camera Features | HDR, panorama | Photo, Video, Portrait, Night, Panorama, Dual-view video, TIME-LAPSE, Retouch, Screen Fill Light |
| Technical | ||
| OS | Android v17 | Android v16 |
| Custom UI | HyperOS 4 | OxygenOS 16 |
| Chipset | Qualcomm Snapdragon 8 Elite Extreme Gen 6 | Qualcomm Snapdragon 8 Elite Gen 5 |
| CPU | 5 GHz, 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 | |
| Fabrication Node | 2nm | |
| GPU | Adreno | Adreno 840 |
| NPU | Qualcomm Hexagon NPU | |
| 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 |
| Audio Features | 24-bit/192kHz Hi-Res & Hi-Res wireless audio Snapdragon sound | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 8500 mAh, Si/C Li-ion Battery | 7300 mAh, Si/C |
| Fast Charging | Yes, 100W Fast Charging | Yes, 120W SUPERVOOC Charging |
| Wireless Charging | Yes, 50W | Yes, 50W AIRVOOC |
| Reverse Charging | Yes | Yes, 10W |
| Reverse Wireless Charging | Yes, 27W | Yes, 5W |
| Bypass Charging | Yes | |