Xiaomi 15 (China 512GB/12GB) vs Blu Studio X Plus (D770U)
Side by side comparison between Xiaomi 15 vs Blu Studio X Plus phones, differences, pros, cons and full specifications. What's the better?
,
6.36"
AMOLED
AMOLED
1200x2670
50
MP
MP
32mp
12GB
RAM
RAM
Octa-core
5400
mAh
mAh
(Non removable)
vs
5.5"
IPS
IPS
720x1280
8
MP
MP
2mp
1GB
RAM
RAM
Quad-core
2600
mAh
mAh
(Removable)
What's the better phone? Xiaomi 15 (China 512GB/12GB)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
34 Advantages 
5 Advantages | 12 Common items in both devices |
| PDAF: phase detection autofocus / Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Gyroscope |
| Proximity sensor |
| +5 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Xiaomi 15 (China 512GB/12GB) | Blu Studio X Plus (D770U) | |
| Model | Xiaomi 15 (China 512GB/12GB) | Studio X Plus (D770U) |
| Other model names | Xiaomi 15 24129PN74C | BLU Studio X Plus D770U, BLU D770U |
| Country or region available |  China |  USA |
| Brand | Xiaomi | Blu |
| Release date | 10/29/2024 | 1/1/2015 |
| Depth | 8.4 millimeters (0.33 inches) | 10.6 millimeters (0.42 inches) |
| Size (width x height) | 71.2 x 152.3 millimeters (2.8 x 6 in) | 76.6 x 155.5 millimeters (3.02 x 6.12 in) |
| Weight | 192 grams (6.72 ounces) | 170 grams (5.95 ounces) |
| Build, materials | Aluminum body, glass front | feature not registered |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
| Xiaomi 15 (China 512GB/12GB) | Blu Studio X Plus (D770U) | |
| Display type | LTPO AMOLED | TFT IPS LCD |
| Screen size | 6.36" inches | 5.5" inches |
| Screen-to-body ratio | ~90% (screen-to-body ratio) | ~70% (screen-to-body ratio) |
| Display resolution | 1200x2670 pixels (20:9) | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 460 PPI | 267 PPI |
| Colors | 68 billion | 16 million |
| Scratch-resistant glass | Dragon Crystal Glass | Not supported |
| Refresh rate | 120Hz | feature not registered |
| Display features | 3200nits[peak] Dolby Vision/HDR10+ Touch Sampling Rate: 300Hz | feature not registered |
🤖 Operating System | ||
| Xiaomi 15 (China 512GB/12GB) | Blu Studio X Plus (D770U) | |
| System version | Android 15 | Android 4.4.2 KitKat |
| Firmware update | feature not registered | Android 5.0 Lollipop |
| User Interface | HyperOS 2 | feature not registered |
⚙️ Processor | ||
| Xiaomi 15 (China 512GB/12GB) | Blu Studio X Plus (D770U) | |
| Chipset | 64bit: Qualcomm Snapdragon 8 Elite (SM8750-AB) (3nm) | 32bit: MediaTek MT6582M |
| CPU | Octa-core, 2 processors: 2x 4.32GHz Oryon V2 Phoenix L (Dual-core) 6x 3.53GHz Oryon V2 Phoenix M (Hexa-core) | Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 830 (1100MHz) | ARM Mali-400 |
| Performance (benchmark) | AnTuTu: 2534643 (v10) Geekbench: 9419 (v6) | feature not registered |
💽 Memory and storage | ||
| Xiaomi 15 (China 512GB/12GB) | Blu Studio X Plus (D770U) | |
| RAM memory | 12GB LPDDR5X | 1GB LPDDR2 |
| Internal storage | 512GB (458GB available) UFS 4.0 | 8GB (4GB available) |
| External storage | Not supported | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Xiaomi 15 (China 512GB/12GB) | Blu Studio X Plus (D770U) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM | 2 slots (Dual-SIM) micro-SIM (3FF) and standard SIM (2FF) |
| Maximum Download / Upload | 3000/1024 Mbps | 21/5.76 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/1700/1900 |
| Primary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42, 48) VoLTE | Not supported |
| Primary 5G network | SA/NSA/Sub6 (1, 2, 3, 5, 12, 20, 26, 28, 38, 40, 41, 48, 66, 77, 78, 80, 81, 83, 84, 89) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42, 48) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE |
📷 Camera | ||
| Xiaomi 15 (China 512GB/12GB) | Blu Studio X Plus (D770U) | |
| Back camera (main camera) | (triple camera) 50 megapixels 50MP telephoto f/2.060mm1/2.76"0.64µmPDAFOIS2.6x-optical-zoom 50MP ultrawide f/2.214mm115°1/2.76"0.64µm | 8 megapixels |
| Main camera resolution | 8160x6120 pixels | 3264x2448 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.6 (aperture) | feature not registered |
| Focal length | 23mm (lens) | feature not registered |
| Sensor size | 1/1.31" inches | feature not registered |
| Pixel size | 1.2µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | feature not registered |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video on both cameras | HDR photo only main camera |
| Camera extras | 8K@24/30fps (HDR) 4K@24/30/60fps (HDR10+, 10-bit Dolby Vision HDR, 10-bit LOG) 1080p@30/60/120/240/960fps 720p@1920fps Leica Summilux | feature not registered |
📸 Front camera | ||
| Xiaomi 15 (China 512GB/12GB) | Blu Studio X Plus (D770U) | |
| Front camera (secondary) | 32 megapixels | 2 megapixels |
| Front camera resolution | 6528x4896 pixels | 1600x1200 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | HD (1280x720) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | 21mm (lens) | feature not registered |
| Sensor size | 1/3.14" inches | feature not registered |
| Pixel size | 0.7µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Xiaomi 15 (China 512GB/12GB) | Blu Studio X Plus (D770U) | |
| Loudspeaker | Stereo sound 24-bit/192kHz Dolby Atmos Hi-Res | Supported |
| Active noise cancellation | 4 microphones | Not supported |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, DivX, XviD |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Xiaomi 15 (China 512GB/12GB) | Blu Studio X Plus (D770U) | |
| USB | USB 3.2 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 6.0 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Xiaomi 15 (China 512GB/12GB) | Blu Studio X Plus (D770U) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi 15 (China 512GB/12GB) | Blu Studio X Plus (D770U) | |
| Battery type | Li-Si: lithium-silicon (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 5400 mAh | 2600 mAh |
| Charger, watts | 90W Wired fast charging Reverse charging by cable Quick Charge 3+ USB Power Delivery 3.0 | Wired charging |
| Inductive / wireless charging | 50W Qi Wireless charging (Qi/WPC) 10W Reverse wireless charging | feature not registered |
| Talk time autonomy | feature not registered | 16 hours |
| Standby | feature not registered | 775 hours (32.3 days) |
➕ Other features | ||
| Xiaomi 15 (China 512GB/12GB) | Blu Studio X Plus (D770U) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White, Green, Lilac, Liquid Silver • Xiaomi HyperAI | • Colors: Black, White, Blue, Gold, Pink |
☢️ Radiation rate | ||
| Xiaomi 15 (China 512GB/12GB) | Blu Studio X Plus (D770U) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.99W/kg (head), 1W/kg (body) | feature not registered |