Samsung Galaxy Nexus (SCH-i515 16GB) vs Xiaomi Poco X3 Pro (J20SI 128GB)
Side by side comparison between Samsung Galaxy Nexus vs Xiaomi Poco X3 Pro phones, differences, pros, cons and full specifications. What's the better?
,
4.65"
AMOLED
AMOLED
720x1280
5
MP
MP
1.3mp
1GB
RAM
RAM
Dual-core
1850
mAh
mAh
(Removable)
vs
6.67"
IPS
IPS
1080x2400
48
MP
MP
20mp
6GB
RAM
RAM
Octa-core
5160
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Poco X3 Pro (J20SI 128GB)
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!
6 Advantages 
30 Advantages | 20 Common items in both devices |
| Plastic body, glass front |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| 4G LTE / 4G LTE-A |
| Capacitive |
| Multitouch |
| +13 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 | ||
| Galaxy Nexus (SCH-i515 16GB) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Model | Galaxy Nexus (SCH-i515 16GB) | Poco X3 Pro (J20SI 128GB) |
| Other model names | Verizon Google Galaxy Nexus CDMA, Toro | POCO X3 Pro M2102J20SI (128GB+6GB RAM) |
| Country or region available |  USA |  India |
| Brand | Samsung | Xiaomi |
| Release date | 12/15/2011, Announced: 10/29/2011 | 3/24/2021, Announced: 3/22/2021 |
| Depth | 9.47 millimeters (0.37 inches) | 9.4 millimeters (0.37 inches) |
| Size (width x height) | 67.94 x 135.5 millimeters (2.67 x 5.33 in) | 76.8 x 165.3 millimeters (3.02 x 6.51 in) |
| Weight | 144 grams (5.04 ounces) | 215 grams (7.53 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | IP53 certified: protection against dust and splashing |
📲 Display | ||
| Galaxy Nexus (SCH-i515 16GB) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 4.65" inches | 6.67" inches |
| Screen-to-body ratio | ~64.8% (screen-to-body ratio) | ~84.6% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels (16:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 316 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 6 |
| Refresh rate | 60Hz | 120Hz |
| Display features | Not supported | 450nits[typ] HDR10 |
🤖 Operating System | ||
| Galaxy Nexus (SCH-i515 16GB) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| System version | Android 4.0.1 Ice Cream Sandwich ICS | Android 11 |
| Firmware update | Android 4.3 Jelly Bean | Android 13 |
| User Interface | feature not registered | MIUI 12.5 / 13 / 14 |
⚙️ Processor | ||
| Galaxy Nexus (SCH-i515 16GB) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Chipset | 32bit: Texas Instruments OMAP 4460 (45nm) | 64bit: Qualcomm Snapdragon 860 (SM8150-AC) (7nm) |
| CPU | Dual-core, 1 processor: 2x 1.2GHz ARM Cortex-A9 (Dual-core) | Octa-core, 3 processors: 1x 2.96GHz Kryo 485 Gold (Single-core) 3x 2.42GHz Kryo 485 Gold (Triple-core) 4x 1.78GHz Kryo 485 Silver (Quad-core) |
| GPU graphical controller | PowerVR SGX540 MP1 (384MHz) | Qualcomm Adreno 640 (250-672MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 483527 (v8) Geekbench: 2574 (v5.1) GFXBench: 38fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Galaxy Nexus (SCH-i515 16GB) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| RAM memory | 1GB LPDDR2 | 6GB LPDDR4X |
| Internal storage | 16GB (13GB available) | 128GB (106GB available) UFS 3.1 |
| External storage | Not supported | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Galaxy Nexus (SCH-i515 16GB) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 100/50 Mbps | 800/150 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Not supported | Quad-Band 850/900/1800/1900 |
| Primary 2G network | CDMA 800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat3 (Bands 13) | LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Galaxy Nexus (SCH-i515 16GB) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Back camera (main camera) | 5 megapixels | (quad camera) 48 megapixels 8MP ultrawide f/2.2119°1.0µm 2MP macro f/2.4 2MP depth f/2.4 |
| Main camera resolution | 2592x1944 pixels | 8000x6000 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/2.8 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/2" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | Not supported | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | HDR photo on both cameras |
| Camera extras | feature not registered | 1080p@960fps |
📸 Front camera | ||
| Galaxy Nexus (SCH-i515 16GB) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Front camera (secondary) | 1.3 megapixels | 20 megapixels |
| Front camera resolution | 1280x1024 pixels | 5184x3840 pixels |
| Video recording (secondary) | HD (1280x720) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/3.4" inches |
| Pixel size | feature not registered | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Galaxy Nexus (SCH-i515 16GB) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Loudspeaker | Supported | Stereo sound with dual speakers |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, AC3 | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy Nexus (SCH-i515 16GB) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro-B USB MHL | USB Type-C (reversible) |
| Bluetooth | 3.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy Nexus (SCH-i515 16GB) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Nexus (SCH-i515 16GB) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1850 mAh | 5160 mAh |
| Charger, watts | Wired charging | 33W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 12 hours | feature not registered |
| Standby | 150 hours (6.3 days) | feature not registered |
➕ Other features | ||
| Galaxy Nexus (SCH-i515 16GB) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| 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, Flash player | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • Curved glass screen (Contour Display) • Oleophobic coating resistance screen • Google Maps 5.0 3D • WiFi hotspot • Java framework | • Colors: Phantom Black, Frost Blue, Metal Bronze • Silicone Case included • Cooling up to 6 °C • LiquidCool 1.0 Plus |
☢️ Radiation rate | ||
| Galaxy Nexus (SCH-i515 16GB) | Xiaomi Poco X3 Pro (J20SI 128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.316W/kg (head), 1.39W/kg (body) | 0.99W/kg (head), 0.67W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.57W/kg (head), 0.9W/kg (body) |