Xiaomi 15 Ultra vs Xiaomi Mi 8 (6GB RAM + 256GB)
Quick Comparison
Xiaomi 15 Ultra has better RAM than Xiaomi Mi 8 (6GB RAM + 256GB). In terms of display resolution, Xiaomi 15 Ultra has better resolution of 3200 x 1440 than Xiaomi Mi 8 (6GB RAM + 256GB) which has resolution of 2248 x 1080. Xiaomi 15 Ultra has more internal memory than Xiaomi Mi 8 (6GB RAM + 256GB)
| Name | Xiaomi 15 Ultra | Xiaomi Mi 8 (6GB RAM + 256GB) |
| RAM | 16 GB | 6 GB |
|---|---|---|
| Display | 6.73 in | 6.21 in |
| Internal Memory | 512 GB | 256 GB |
| Battery | 5410 mAh | 3400 mAh |
| Camera | 50 MP Quad | 12 MP + 12 MP Dual |
| Price | Rs. 109999 | Rs. 35101 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is March 11, 2025. The cost of Xiaomi 15 Ultra is Rs. 109999. The launch Date of the second phone is May, 2018. The cost of Xiaomi Mi 8 (6GB RAM + 256GB) is Rs. 35101.
Display comparison
Xiaomi 15 Ultra has larger screen size of 6.73 inches in comparison to Xiaomi Mi 8 (6GB RAM + 256GB)'s 6.21 inch screen. Xiaomi 15 Ultra has LTPO AMOLED Screen type where as Xiaomi Mi 8 (6GB RAM + 256GB) has Super AMOLED Screen type. Xiaomi 15 Ultra has display density of 522 PPI & Xiaomi Mi 8 (6GB RAM + 256GB) has only 402 PPI display density. In terms of screen to body ratio, Xiaomi 15 Ultra has better screen to body ratio of ~ 89.7% than Xiaomi Mi 8 (6GB RAM + 256GB)'s ~ 83.8%. Xiaomi 15 Ultra has 20:9 aspect ratio where as Xiaomi Mi 8 (6GB RAM + 256GB) has 18.7:9 aspect ratio.
Memory comparison
Xiaomi 15 Ultra's larger 16 GB RAM is better for playing games and all with respect to Xiaomi Mi 8 (6GB RAM + 256GB)'s lower 6 GB RAM. Xiaomi 15 Ultra has more Internal Memory (512 GB) than Xiaomi Mi 8 (6GB RAM + 256GB) (256 GB).
Camera comparison
Xiaomi 15 Ultra's 50 MP Quad Rear Camera outshines Xiaomi Mi 8 (6GB RAM + 256GB)'s 12 MP + 12 MP Dual Rear Camera in terms of resolution. Xiaomi 15 Ultra will be better choice if you're looking to click lot of selfies as it has better 32 MP Front Camera in comparison to Xiaomi Mi 8 (6GB RAM + 256GB)'s 20 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 15 and the second one on v8.1 version.
Related Comparisons
Full Comparison
| Name | Xiaomi 15 Ultra | Xiaomi Mi 8 (6GB RAM + 256GB) |
| General | ||
| Country of Origin | India | |
| Model | Mi 15 Ultra 25010PN30G | Mi 8 |
| 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 | March 11, 2025 | May, 2018 |
| In The Box | Mobile Phone, Adapter, USB Type-C Cable, SIM Eject Tool, Protective Case, Safety Information, Quick Start Guide and Warranty Card, Desiccant | |
| Design | ||
| Dimensions | 75.3 x 161.3 x 9.48 mm | 74.8 x 154.9 x 7.6 mm |
| Weight | 229 g | 175 g |
| Bezel less | Yes | |
| Qwerty | No | |
| Colors | Silver Chrome | |
| Display | ||
| Type | Color LTPO AMOLED Screen (68B) | Color Super AMOLED Screen (16M colors Colors) |
| Touch | Yes, 300 Hz Touch Sampling Rate | Yes |
| Size | 6.73 inches, 1440 x 3200 pixels, 120 Hz | 6.21 inches, 1080 x 2248 pixels |
| Aspect Ratio | 20:9 | 18.7:9 |
| PPI | ~ 522 PPI | ~ 402 PPI |
| Screen to Body Ratio | ~ 89.7% | ~ 83.8% |
| Glass Type | Xiaomi Shield Glass 2.0 | |
| Brightness | 3200 nits (peak) | |
| Features | DCI-P3, Dolby Vision, HDR10+, 1920Hz PWM Dimming / DC Dimming, Original color PRO, Pro HDR, Wet Touch Technology, HDR10+, Dolby Vision, TÜV Rheinland Low Blue Light (Hardware Solution) Certified, TÜV Rheinland Flicker Free Certified, TÜV Rheinland Circadian Friendly Certified, Always-active Display | Corning Gorilla Glass 5 |
| Notch | Yes, Punch Hole | Yes, Large Notch |
| Curved Display | Yes | |
| Memory | ||
| RAM | 16 GB | 6 GB |
| RAM Type | LPDDR5X | |
| Storage | 512 GB | 256 GB |
| Storage Type | UFS 4.1 | |
| Card Slot | No | No |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | |
| 5G Bands | SA:n1/2/3/5/7/8/12/20/25/26/28A/28B/38/40/41/48/66/75/77/78/79/71, NSA: n1/3/5/7/8/20/28/38/40/41/66/75/77/78/79/71 | |
| VoLTE | Yes, Dual Stand-By | Yes |
| Vo5G | Yes | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | WiFi 6 support | |
| Bluetooth | Yes, v6.0, A2DP, LE, aptX HD | Yes, v5.0 |
| USB | Yes, USB-C v3.2 | Yes, USB-C |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB on-the-go |
| IR Blaster | Yes | Yes |
| Performance | ||
| AnTuTu Score | 2,477,963 (Total) (v10) 542,576 (CPU) 1,036,853 (GPU) 474,641 (Memory) 423,893 (UX) | |
| Geekbench Score | 8,871 (Multi Core) (v6) 2,960 (Single Core) 18,683 (OpenCL) 25,095 (Vulkan) | |
| 3DMark Score | 21,097 (Wild Life) (125 FPS) 6,134 (Wild Life Extreme) (35 FPS) | |
| Camera Score | 153 (DxOMark) | |
| Speaker Score | 84 (Very Good) | |
| Battery Test Result | 15.98 hours | |
| Extra | ||
| GPS | GPS: L1+L5, Galileo: E1+E5a, GLONASS: G1, Beidou, QZSS: L1 + L5, NavIC: L5, A-GPS Supplementary Positioning, Electronic Compass, Wireless Network, Data Network, SAP | Yes, with A-GPS Support |
| Fingerprint Sensor | Yes, In Display | Yes, Rear |
| Face Unlock | Yes | Yes |
| Sensors | Proximity Sensor, Ambient Light Sensor, Accelerometer, Gyroscope, Electronic Compass, IR Blaster, Laser Autofocus, Barometer, Flicker Sensor, X-Axis Linear Vibration Motor | Accelerometer, Gyroscope, Compass, Barometer, Proximity |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| Extra | DLNA | |
| Water Resistance | Yes, 1.5 m upto 30 min | |
| IP Rating | IP68 | |
| Dust Resistant | Yes | |
| Extra Features | Xiaomi 3D Dual-Channel IceLoop system, Aerospace-grade Glass Fiber | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.6 (Wide Angle) 23mm (Wide), 1.0"-Type, 1.6µm, Dual Pixel PDAF, OIS 50 MP ƒ/1.8 (Telephoto) 70mm (Telephoto), 1/2.51", 0.7µm, Dual Pixel PDAF (10cm - ∞), OIS, 3x Optical Zoom 200 MP ƒ/2.6 (Periscope Telephoto) 100mm (Periscope Telephoto), 1/1.4", 0.56µm, Multi-Directional PDAF, OIS, 4.3x Optical Zoom 50 MP ƒ/2.2 (Ultra Wide) 14mm, 115˚ (Ultrawide), 1/2.76", 0.64µm, Dual Pixel PDAF | 12 MP + 12 MP |
| Camera Sensor | LYT-900 | |
| OIS | Yes | |
| Auto Focus | Yes, Laser AF | Yes |
| Features | Leica Summilux Optical Lens, Laser AF, Color Spectrum Sensor, Leica Lenses, Two Leica Photographic Styles (Leica Authentic Look, Leica Vibrant Look), Leica Filters, Leica Classic Shutter Sound, Leica Watermark, Xiaomi ProFocus (Motion Tracking Focus, Eye Tracking Focus and Motion Capture), Lightning Burst, Digital Zoom Up to 120x, HDR, Dynamic Shot, Portrait Mode, Master-Lens System (23mm-135mm), 50MP Mode (Wide/Ultra Wide/Telephoto), 200MP Mode (Periscope), Super Macro, Panorama, Long Exposure, Documents, Fastshot Mode, Supermoon, Pro Mode, Image Formats Captured: DNG, HEIF, JPEG, RAW Mode, UltraRAW: 16-Bit, Rear Camera Video Features, Movie Mode, ShootSteady, Slow Motion, Dual Video, Time-Lapse, Ultra Night Video, Video Pro Mode, Video Log Format | Face detection, Geo tagging, Panorama, Touch to focus |
| Video Recording | 8K @ 30 fps UHD, 1080p @ 30/60 fps FHD, 4K @ 120/30/60 fps UHD | 4K @ 60 fps UHD |
| Flash | Yes, Dual LED | Yes, Dual LED |
| Front Camera | 32 MP ƒ/2 (Wide Angle) 21mm (Wide), 1/3.14", 0.7µm Punch Hole, Autofocus, Screen Flash | 20 MP |
| Front Video Recording | 4K @ 30/60 fps UHD, 1080p @ 30/60 fps FHD | |
| Technical | ||
| OS | Android v15 | Android v8.1 (Oreo) |
| Custom UI | Xiaomi HyperOS 2 | |
| Chipset | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 845 |
| CPU | 4.32 GHz, Octa Core Processor | 2.8 GHz, Octa Core Processor |
| Core Details | 2x Prime Core@4.32 GHz & 6x Performance Core@3.53 GHz & Qualcomm AI engine | |
| Fabrication Node | 3 nm | |
| GPU | Adreno 830 | Adreno 630 |
| Java | No | No |
| Browser | Yes | Yes, supports HTML5 |
| Multimedia | ||
| Supports | MMS, Instant Messaging | |
| Yes | Yes, with Push Email | |
| Music | MP3, FLAC, APE, AAC, OGG, WAV, WMA, AMR, AWB | MP3, WAV, eAAC+, FLAC |
| Video | MP4, MKV, WEBM, 3GP, TS, HDR10+, Supports HDR Display When Playing HDR10+, Dolby Vision, HDR Vivid Video Content | MP4, DivX, XviD, WMV |
| FM Radio | No | No |
| Speaker Type | Stereo | |
| Audio Features | 4-Mic Array, 24-bit/192kHz Hi-Res & Hi-Res Wireless Audio. Qualcomm XPAN (24-bit/96kHz Audio), Dolby Atmos | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5410 mAh, Li-ion Battery | 3400 mAh, Li-Po Battery |
| Fast Charging | Yes, 90W HyperCharge | Yes, Quick Charge 4.0+ |
| Wireless Charging | Yes, 80W HyperCharge | |
| Reverse Charging | Yes | |
| Reverse Wireless Charging | Yes, 10W | |