BlackBerry Curve 8520 vs Xiaomi Poco X4 GT (256GB)
Side by side comparison between BlackBerry Curve 8520 vs Xiaomi Poco X4 GT phones, differences, pros, cons and full specifications. What's the better?
,
2.46"
TFT
TFT
320x240
2
MP
MP
128MB
RAM
RAM
Single-core
1150
mAh
mAh
(Removable)
vs
6.6"
IPS
IPS
1080x0
64
MP
MP
16mp
8GB
RAM
RAM
Octa-core
5080
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!
5 Advantages 
27 Advantages | 5 Common items in both devices |
| Only digital zoom |
| Hands-free calling |
| Vibrating alert |
| 3.5mm jack |
| MicroUSB 2.0 / USB 2.0 Type-C, USB OTG On-The-Go |
| + 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 | ||
| BlackBerry Curve 8520 | Xiaomi Poco X4 GT (256GB) | |
| Change model | ||
| Model | Curve 8520 | Poco X4 GT (256GB) |
| Other model names | RIM BlackBerry Curve 8520, RIM Gemini | POCO X4 GT 5G (8GB RAM) |
| Country or region available | feature not registered |  (Global, International) |
| Brand | BlackBerry | Xiaomi |
| Release date | 8/3/2009 | 6/27/2022, Announced: 6/23/2022 |
| Depth | 13.9 millimeters (0.55 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 60 x 109 millimeters (2.36 x 4.29 in) | 74.29 x 163.64 millimeters (2.92 x 6.44 in) |
| Weight | 106 grams (3.71 ounces) | 200 grams (7 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| BlackBerry Curve 8520 | Xiaomi Poco X4 GT (256GB) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 2.46" inches | 6.6" inches |
| Screen-to-body ratio | ~28.7% (screen-to-body ratio) | feature not registered |
| Display resolution | 320x240 pixels | Not supported (20.5:9) |
| Touchscreen | Not supported | Capacitive Multitouch |
| Pixel density (dot pitch) | 163 PPI | feature not registered |
| Colors | 65 thousand | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 5 |
| Refresh rate | feature not registered | 144Hz |
| Display features | feature not registered | 500nits[typ] Dolby Vision/HDR10 DCI-P3 |
🤖 Operating System | ||
| BlackBerry Curve 8520 | Xiaomi Poco X4 GT (256GB) | |
| System version | BlackBerry OS 4.6 | Android 12 |
| Firmware update | BlackBerry OS 5.0 | feature not registered |
| User Interface | feature not registered | MIUI 13 |
⚙️ Processor | ||
| BlackBerry Curve 8520 | Xiaomi Poco X4 GT (256GB) | |
| Chipset | 32bit: Freescale MXC275-30 | 64bit: MediaTek Dimensity 8100 (5nm) |
| CPU | Single-core, 1 processor: 1x 512MHz ARM1136JF-S (Single-core) | Octa-core, 2 processors: 4x 2.85GHz ARM Cortex-A78 (Quad-core) 4x 2GHz ARM Cortex-A55 (Quad-core) |
| GPU graphical controller | feature not registered | ARM Mali-G610 MC6 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| BlackBerry Curve 8520 | Xiaomi Poco X4 GT (256GB) | |
| RAM memory | 128MB SDRAM | 8GB LPDDR5 |
| Internal storage | 256MB | 256GB (218GB available) UFS 3.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| BlackBerry Curve 8520 | Xiaomi Poco X4 GT (256GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 0.236 Mbps | 2000/1024 Mbps |
| Network technology | 2G | 2G, 3G, 4G, 5G |
| 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 | Not supported | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat13 (1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | Not supported | 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) |
| Primary data network | CSD, GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| 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 Cat13 (1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41) TD-LTE (38, 40, 41) VoLTE |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
| BlackBerry Curve 8520 | Xiaomi Poco X4 GT (256GB) | |
| Back camera (main camera) | 2 megapixels | (triple camera) 64 megapixels 8MP ultrawide f/2.2120°1/4"1.12µm 2MP macro f/2.41.75µm |
| Main camera resolution | 1600x1200 pixels | 10120x6328 pixels |
| Video recording (primary) | QVGA (320x240) | 4K UHD (3840x2160) 30 fps |
| Flash | Not supported | LED flash |
| Focal aperture | feature not registered | f/1.9 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/1.72" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| Autofocus | Not supported | PDAF: phase detection autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | feature not registered | Face detection, Smile detection |
| BSI sensor | feature not registered | Supported |
| HDR | feature not registered | HDR photo on both cameras |
| Camera extras | feature not registered | 1080p@60fps |
📸 Front camera | ||
| BlackBerry Curve 8520 | Xiaomi Poco X4 GT (256GB) | |
| Front camera (secondary) | Not supported | 16 megapixels |
| Front camera resolution | Not supported | 4608x3456 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.5 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/3.06" inches |
| Pixel size | feature not registered | 1µm pixel |
🔉 Sound and multimedia | ||
| BlackBerry Curve 8520 | Xiaomi Poco X4 GT (256GB) | |
| Loudspeaker | Supported | Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos |
| Active noise cancellation | feature not registered | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| BlackBerry Curve 8520 | Xiaomi Poco X4 GT (256GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 2.0 + A2DP | 5.3 + A2DP/LE |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | feature not registered | Not supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Not supported | Supported |
| Infrared port | feature not registered | Supported |
🧭 Sensors | ||
| BlackBerry Curve 8520 | Xiaomi Poco X4 GT (256GB) | |
| Sensors | Not supported | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| BlackBerry Curve 8520 | Xiaomi Poco X4 GT (256GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1150 mAh | 5080 mAh |
| Charger, watts | Wired charging | 67W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 4.5 hours | feature not registered |
| Standby | 408 hours (17 days) | feature not registered |
➕ Other features | ||
| BlackBerry Curve 8520 | Xiaomi Poco X4 GT (256GB) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | WAP, HTML | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Fixed QWERTY keyboard | Not supported |
| Miscellaneous | • Colors: Black • 1GB microSD included • Touch-sensitive optical trackpad • UMA • GMA • Java framework | • Colors: Black, Blue, Silver • LiquidCool Technology 2.0 |
☢️ Radiation rate | ||
| BlackBerry Curve 8520 | Xiaomi Poco X4 GT (256GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |