Xiaomi 15 (Global 512GB/12GB) vs LG G8 ThinQ (G820UM1)
Side by side comparison between Xiaomi 15 vs LG G8 ThinQ 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
5240
mAh
mAh
(Non removable)
vs
6.1"
POLED
POLED
1440x3120
12
MP
MP
8mp
6GB
RAM
RAM
Octa-core
3500
mAh
mAh
(Non removable)
What's the better phone? Xiaomi 15 (Global 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!
26 Advantages 
8 Advantages | 26 Common items in both devices |
| 8.4 millimeters (0.33 inches) |
| Aluminum body, glass front / Aluminum frame, glass front/back |
| PDAF: phase detection autofocus / PDAF on back camera and autofocus front camera |
| OIS: Optical stabilization |
| BSI sensor |
| HDR photo/video on both cameras / HDR photo/video and HDR photo on front camera |
| Capacitive |
| +19 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 (Global 512GB/12GB) | LG G8 ThinQ (G820UM1) | |
| Model | Xiaomi 15 (Global 512GB/12GB) | LG G8 ThinQ (G820UM1) |
| Other model names | Xiaomi 15 24129PN74G, 24129PN74I | AT&T LG G8 ThinQ LMG820UM1, LM-G820UM1 |
| Country or region available |  (Global, International) |  USA |
| Brand | Xiaomi | LG |
| Release date | 10/29/2024 | 4/11/2019, Announced: 2/24/2019 |
| Depth | 8.4 millimeters (0.33 inches) | 8.4 millimeters (0.33 inches) |
| Size (width x height) | 71.2 x 152.3 millimeters (2.8 x 6 in) | 71.882 x 151.892 millimeters (2.83 x 5.98 in) |
| Weight | 192 grams (6.72 ounces) | 167 grams (5.85 ounces) |
| Build, materials | Aluminum body, glass front | Aluminum frame, glass front/back |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | IP68 certified: dust/waterproof over 1.5 meters and 30min. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| Xiaomi 15 (Global 512GB/12GB) | LG G8 ThinQ (G820UM1) | |
| Display type | LTPO AMOLED | P-OLED |
| Screen size | 6.36" inches | 6.1" inches |
| Screen-to-body ratio | ~90% (screen-to-body ratio) | ~83.7% (screen-to-body ratio) |
| Display resolution | 1200x2670 pixels (20:9) | 1440x3120 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 460 PPI | 563 PPI |
| Colors | 68 billion | 16 million |
| Scratch-resistant glass | Dragon Crystal Glass | Gorilla Glass 5 |
| Refresh rate | 120Hz | 60Hz |
| Display features | 3200nits[peak] Dolby Vision/HDR10+ Touch Sampling Rate: 300Hz | HDR10 100% DCI-P3 Always-On Display |
🤖 Operating System | ||
| Xiaomi 15 (Global 512GB/12GB) | LG G8 ThinQ (G820UM1) | |
| System version | Android 15 | Android 9.0 Pie |
| Firmware update | feature not registered | Android 12 |
| User Interface | HyperOS 2 | LG UX 8.0 / 9.0 / 10 / 11 |
⚙️ Processor | ||
| Xiaomi 15 (Global 512GB/12GB) | LG G8 ThinQ (G820UM1) | |
| Chipset | 64bit: Qualcomm Snapdragon 8 Elite (SM8750-AB) (3nm) | 64bit: Qualcomm Snapdragon 855 (SM8150) (7nm) |
| CPU | Octa-core, 2 processors: 2x 4.32GHz Oryon V2 Phoenix L (Dual-core) 6x 3.53GHz Oryon V2 Phoenix M (Hexa-core) | Octa-core, 3 processors: 1x 2.84GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.78GHz Kryo 485 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 830 (1100MHz) | Qualcomm Adreno 640 (585MHz) |
| Performance (benchmark) | AnTuTu: 2534643 (v10) Geekbench: 9419 (v6) | AnTuTu: 331537 (v7), 362730 (v8) Geekbench: 10735 (v4.4), 2700 (v5.1) GFXBench: 20fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Xiaomi 15 (Global 512GB/12GB) | LG G8 ThinQ (G820UM1) | |
| RAM memory | 12GB LPDDR5X | 6GB LPDDR4X |
| Internal storage | 512GB (458GB available) UFS 4.0 | 128GB (104GB available) UFS 2.1 |
| External storage | Not supported | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Xiaomi 15 (Global 512GB/12GB) | LG G8 ThinQ (G820UM1) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 3000/1024 Mbps | 1600/150 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G |
| 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 850/1700/1900/2100 |
| Primary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (32, 38, 39, 40, 41, 42, 48) VoLTE | LTE Cat19 (1, 2, 3, 4, 5, 7, 12, 14, 20, 29, 30, 66) TD-LTE (38, 39, 40, 41, 46) |
| Primary 5G network | SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 48, 66, 75, 77, 78) | 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+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (32, 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 | Not supported |
📷 Camera | ||
| Xiaomi 15 (Global 512GB/12GB) | LG G8 ThinQ (G820UM1) | |
| 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 | (dual camera) 12 megapixels 16MP ultrawide f/1.91/3.1"16mm1.0µmFF |
| Main camera resolution | 8160x6120 pixels | 4000x3000 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 30 fps | 4K UHD (3840x2160) 60 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.6 (aperture) | f/1.5 (aperture) |
| Focal length | 23mm (lens) | 27mm (lens) |
| Sensor size | 1/1.31" inches | 1/2.6" inches |
| Pixel size | 1.2µm pixel | 1.4µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF on back camera and autofocus front camera |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | OIS: Optical stabilization |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo/video on both cameras | HDR photo/video and HDR photo on front 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 | 1080p@30/60fps 720p@240fps |
📸 Front camera | ||
| Xiaomi 15 (Global 512GB/12GB) | LG G8 ThinQ (G820UM1) | |
| Front camera (secondary) | 32 megapixels | (dual front camera) 8 megapixels 0.3MP TOF f/1.4 |
| Front camera resolution | 6528x4896 pixels | 3264x2448 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/1.7 (aperture) |
| Focal length | 21mm (lens) | 26mm (lens) |
| Sensor size | 1/3.14" inches | 1/3.6" inches |
| Pixel size | 0.7µm pixel | 1.22µm pixel |
🔉 Sound and multimedia | ||
| Xiaomi 15 (Global 512GB/12GB) | LG G8 ThinQ (G820UM1) | |
| Loudspeaker | Stereo sound 24-bit/192kHz Dolby Atmos Hi-Res | Mono sound (not stereo) 32-bit/192kHz DTS:X |
| Active noise cancellation | 4 microphones | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Xiaomi 15 (Global 512GB/12GB) | LG G8 ThinQ (G820UM1) | |
| USB | USB 3.2 Type-C, USB OTG On-The-Go | USB 3.1 Type-C, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 6.0 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Xiaomi 15 (Global 512GB/12GB) | LG G8 ThinQ (G820UM1) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gesture Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi 15 (Global 512GB/12GB) | LG G8 ThinQ (G820UM1) | |
| Battery type | Li-Si: lithium-silicon (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5240 mAh | 3500 mAh |
| Charger, watts | 90W Wired fast charging Reverse charging by cable Quick Charge 3+ USB Power Delivery 3.0 | 21W Wired fast charging Quick Charge 3 USB Power Delivery 2.0 |
| Inductive / wireless charging | 50W Qi Wireless charging (Qi/WPC) 10W Reverse wireless charging | 9W Qi wireless charging |
| Talk time autonomy | feature not registered | 19 hours |
| Standby | feature not registered | 504 hours (21 days) |
➕ Other features | ||
| Xiaomi 15 (Global 512GB/12GB) | LG G8 ThinQ (G820UM1) | |
| 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: Aurora Black, Platinum Gray |
☢️ Radiation rate | ||
| Xiaomi 15 (Global 512GB/12GB) | LG G8 ThinQ (G820UM1) | |
| 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 |