Xiaomi Poco X4 GT (256GB) vs Xiaomi Mi A2 (128GB)
Side by side comparison between Xiaomi Poco X4 GT vs Xiaomi Mi A2 phones, differences, pros, cons and full specifications. What's the better?
,
6.6"
IPS
IPS
1080x0
64
MP
MP
16mp
8GB
RAM
RAM
Octa-core
5080
mAh
mAh
(Non removable)
vs
5.99"
IPS
IPS
1080x2160
12
MP
MP
20mp
6GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Poco X4 GT (256GB)
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!
19 Advantages 
8 Advantages | 27 Common items in both devices |
| TFT IPS LCD / LTPS IPS LCD |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| HDR photo on both cameras |
| 4K UHD (3840x2160) |
| +20 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 Poco X4 GT (256GB) | Xiaomi Mi A2 (128GB) | |
| Model | Poco X4 GT (256GB) | Xiaomi Mi A2 (128GB) |
| Other model names | POCO X4 GT 5G (8GB RAM) | Xiaomi Mi A2 M1804D2SG (128GB + 6GB RAM), 小米6X, Xiaomi Wayne |
| Country or region available |  (Global, International) |  (Global, International), India |
| Brand | Xiaomi | Xiaomi |
| Release date | 6/27/2022, Announced: 6/23/2022 | 7/27/2018, Announced: 7/24/2018 |
| Depth | 8.9 millimeters (0.35 inches) | 7.3 millimeters (0.29 inches) |
| Size (width x height) | 74.29 x 163.64 millimeters (2.92 x 6.44 in) | 75.4 x 158.7 millimeters (2.97 x 6.25 in) |
| Weight | 200 grams (7 ounces) | 166 grams (5.81 ounces) |
| Build, materials | Plastic body, glass front | Aluminum body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Xiaomi Poco X4 GT (256GB) | Xiaomi Mi A2 (128GB) | |
| Display type | TFT IPS LCD | LTPS IPS LCD |
| Screen size | 6.6" inches | 5.99" inches |
| Screen-to-body ratio | feature not registered | ~77.4% (screen-to-body ratio) |
| Display resolution | Not supported (20.5:9) | 1080x2160 pixels (19:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | feature not registered | 403 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass 5 |
| Refresh rate | 144Hz | 60Hz |
| Display features | 500nits[typ] Dolby Vision/HDR10 DCI-P3 | Not supported |
🤖 Operating System | ||
| Xiaomi Poco X4 GT (256GB) | Xiaomi Mi A2 (128GB) | |
| System version | Android 12 | Android 8.1 Oreo |
| Firmware update | feature not registered | Android 10 |
| User Interface | MIUI 13 | feature not registered |
⚙️ Processor | ||
| Xiaomi Poco X4 GT (256GB) | Xiaomi Mi A2 (128GB) | |
| Chipset | 64bit: MediaTek Dimensity 8100 (5nm) | 64bit: Qualcomm Snapdragon 660 (SDM660) (14nm) |
| CPU | Octa-core, 2 processors: 4x 2.85GHz ARM Cortex-A78 (Quad-core) 4x 2GHz ARM Cortex-A55 (Quad-core) | Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) |
| GPU graphical controller | ARM Mali-G610 MC6 | Qualcomm Adreno 512 (650MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 130927 (v7), 172886 (v8) Geekbench: 4625 (v4.4), 1157 (v5.1) GFXBench: 8.6fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Xiaomi Poco X4 GT (256GB) | Xiaomi Mi A2 (128GB) | |
| RAM memory | 8GB LPDDR5 | 6GB LPDDR4X |
| Internal storage | 256GB (218GB available) UFS 3.1 | 128GB (111GB available) eMMC 5.1 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Xiaomi Poco X4 GT (256GB) | Xiaomi Mi A2 (128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 600/150 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 | Global version: UMTS 850/900/1700/1900/2100 India version: UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat13 (1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41) TD-LTE (38, 40, 41) VoLTE | LTE Cat12 VoLTE Global version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 20) TD-LTE (Bands 38, 40) India version: LTE (Bands 1, 3, 5) TD-LTE (Bands 40, 41) |
| Primary 5G network | Global version: SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78) India version: SA/NSA (1, 3, 5, 8, 28, 38, 40, 41, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| 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 Cat13 (1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41) TD-LTE (38, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE |
📷 Camera | ||
| Xiaomi Poco X4 GT (256GB) | Xiaomi Mi A2 (128GB) | |
| Back camera (main camera) | (triple camera) 64 megapixels 8MP ultrawide f/2.2120°1/4"1.12µm 2MP macro f/2.41.75µm | (dual camera) 12 megapixels 20MP f/1.81/2.8"1.0µm |
| Main camera resolution | 10120x6328 pixels | 4000x3000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | Dual-LED on main camera and LED on front camera |
| Focal aperture | f/1.9 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/1.72" inches | 1/2.9" inches |
| Pixel size | 0.8µm pixel | 1.25µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | 1080p@60fps | feature not registered |
📸 Front camera | ||
| Xiaomi Poco X4 GT (256GB) | Xiaomi Mi A2 (128GB) | |
| Front camera (secondary) | 16 megapixels | 20 megapixels |
| Front camera resolution | 4608x3456 pixels | 5164x3872 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | LED |
| Focal aperture | f/2.5 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3.06" inches | 1/2.8" inches |
| Pixel size | 1µm pixel | 1µm pixel |
🔉 Sound and multimedia | ||
| Xiaomi Poco X4 GT (256GB) | Xiaomi Mi A2 (128GB) | |
| Loudspeaker | Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos | Supported |
| Active noise cancellation | 2 microphones or more | 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, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| Xiaomi Poco X4 GT (256GB) | Xiaomi Mi A2 (128GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | Type-C jack with 3.5mm jack adapter |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.3 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Supported | Supported |
🧭 Sensors | ||
| Xiaomi Poco X4 GT (256GB) | Xiaomi Mi A2 (128GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Poco X4 GT (256GB) | Xiaomi Mi A2 (128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5080 mAh | 3000 mAh |
| Charger, watts | 67W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 | 18W Wired fast charging Quick Charge 4 |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Xiaomi Poco X4 GT (256GB) | Xiaomi Mi A2 (128GB) | |
| 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, Blue, Silver • LiquidCool Technology 2.0 | • Colors: Black, Gold, Blue, Red, Rose Gold • Android One • Back camera sensor: Sony IMX486/IMX376 • Front camera sensor: Sony IMX376 • WiFi display |
☢️ Radiation rate | ||
| Xiaomi Poco X4 GT (256GB) | Xiaomi Mi A2 (128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.96W/kg (head), 0.64W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 1.16W/kg (head), 0.66W/kg (body) |