| Global Score | |
| 80.1 | 76.4 |
| Basic Information | |
| Xiaomi | LG |
| Android 15 | Android 5.0, 4.4.2 |
| -- | 2014-05-27 |
| -- | 5.76 x 2.94 x 0.35 inches |
| -- | 5.26 ounces |
| -- | Black, Gold, Pink, Purple and White |
| -- | $ 155.00 |
| Display / Screen | |
| 6.7 inches | 5.5 inches |
| -- | 1440 x 2560 pixels (Quad HD / 2K) |
| AMOLED | IPS LCD |
| -- | 534 pixels per inch |
| 3000 cd/m2 brightness | 450 cd/m2 brightness |
| No touch screen | Capacitive, Multi-touch |
| 5 | 10 |
| Performance | |
| Qualcomm Snapdragon 8 Elite SM8750-AB (4 nm) chipset | Qualcomm Snapdragon 801 8974-AC chipset |
| processor | Krait 400 (Quad-Core 2500 MHz) processor |
| 16 GB RAM | 3 GB (800 MHz) RAM |
| Adreno 830 GPU | Adreno 330 (450 MHz) GPU |
| 6.3 | 9.45 |
| Storage | |
| 512 GB internal memory | 32 GB internal memory |
| No SD card slot | microSD, microSDHC, microSDXC (up to 128 GB) external memory slot |
| 17.6 | 8.12 |
| Camera | |
| 200.00 MP + 32.00 MP | 13.00 MP + 2.10 MP |
| -- | f/2.40 aperture |
| -- | 0.33 inches (1/3.06") sensor |
| 7680 x 4320 (30 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (1920 fps) (Full HD) slow motion video | -- |
| 12.87 | 9.46 |
| Networks | |
| -- | Wi-Fi |
| -- | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE (4G), HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM |
| Nano SIM | Micro SIM |
| 7.6 | 7 |
| Battery Life | |
| 6000mAh Si - Carbon Battery | 3000mAh Li-Ion Battery |
| Non-Removable Battery | Removable Battery |
| Wireless Charging | Wireless Charging |
| -- | 548 hours standby time 19 hours talk time |
| 7.52 | 4.96 |
| Other Features | |
| Bluetooth 5.4 | Bluetooth 4.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | Infra-red port |
| Fingerprint ID Scanner | -- |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Xiaomi 15 Ultra (Rumored) has a score of 80.1, which is slightly better than LG G3's 76.4 overall score. Both of these phones have Android operating system, but Xiaomi 15 Ultra (Rumored) has a more recent 15 version while LG G3 has Android 5.0, so it gives a couple nice extra features. The Xiaomi 15 Ultra (Rumored) body is extremely lighter and thinner than LG G3.
The LG G3 features a way better hardware performance than Xiaomi 15 Ultra (Rumored), because although it has a smaller amount of RAM and a lower number of cores , it also counts with an additional graphics processor. LG G3 counts with a much more vibrant display than Xiaomi 15 Ultra (Rumored), although it has a little smaller display and way less brightness.
The Xiaomi 15 Ultra (Rumored) takes a lot better videos and photos than LG G3, because it has a back facing camera with lot more megapixels and a way better video definition. The Xiaomi 15 Ultra (Rumored) has a way bigger storage capacity for apps and games than LG G3, because although it has no slot for an external memory card, it also counts with more internal memory capacity.
Xiaomi 15 Ultra (Rumored) has a really longer battery lifetime than LG G3, because it has 6000mAh of battery capacity.
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