BlackBerry Curve 8520 vs Xiaomi Mi 11 Ultra (512GB/12GB)
Side by side comparison between BlackBerry Curve 8520 vs Xiaomi Mi 11 Ultra 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
6.81"
AMOLED
AMOLED
1440x3200
50
MP
MP
20mp
12GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Mi 11 Ultra (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!
4 Advantages 
31 Advantages | 3 Common items in both devices |
| Hands-free calling |
| Vibrating alert |
| 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 Mi 11 Ultra (512GB/12GB) | |
| Change model | ||
| Model | Curve 8520 | Xiaomi Mi 11 Ultra (512GB/12GB) |
| Other model names | RIM BlackBerry Curve 8520, RIM Gemini | Xiaomi Mi 11 Ultra (512GB + 12GB RAM) |
| Country or region available | feature not registered |  (Global, International) |
| Brand | BlackBerry | Xiaomi |
| Release date | 8/3/2009 | 4/2/2021, Announced: 3/29/2021 |
| Depth | 13.9 millimeters (0.55 inches) | 8.38 millimeters (0.33 inches) |
| Size (width x height) | 60 x 109 millimeters (2.36 x 4.29 in) | 74.6 x 164.3 millimeters (2.94 x 6.47 in) |
| Weight | 106 grams (3.71 ounces) | 234 grams (8.19 ounces) |
| Build, materials | feature not registered | Aluminum body, glass front, ceramic back |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| BlackBerry Curve 8520 | Xiaomi Mi 11 Ultra (512GB/12GB) | |
| Display type | TFT LCD | AMOLED |
| Screen size | 2.46" inches | 6.81" inches |
| Screen-to-body ratio | ~28.7% (screen-to-body ratio) | ~91.4% (screen-to-body ratio) |
| Display resolution | 320x240 pixels | 1440x3200 pixels (20:9) |
| Touchscreen | Not supported | Capacitive Multitouch |
| Pixel density (dot pitch) | 163 PPI | 515 PPI |
| Colors | 65 thousand | 1 billion |
| Scratch-resistant glass | Not supported | Gorilla Glass Victus |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 1700nits[peak] Dolby Vision/HDR10+ |
🤖 Operating System | ||
| BlackBerry Curve 8520 | Xiaomi Mi 11 Ultra (512GB/12GB) | |
| System version | BlackBerry OS 4.6 | Android 11 |
| Firmware update | BlackBerry OS 5.0 | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| BlackBerry Curve 8520 | Xiaomi Mi 11 Ultra (512GB/12GB) | |
| Chipset | 32bit: Freescale MXC275-30 | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) |
| CPU | Single-core, 1 processor: 1x 512MHz ARM1136JF-S (Single-core) | Octa-core, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core) |
| GPU graphical controller | feature not registered | Qualcomm Adreno 660 (840MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| BlackBerry Curve 8520 | Xiaomi Mi 11 Ultra (512GB/12GB) | |
| RAM memory | 128MB SDRAM | 12GB LPDDR5 |
| Internal storage | 256MB | 512GB (485GB available) UFS 3.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| BlackBerry Curve 8520 | Xiaomi Mi 11 Ultra (512GB/12GB) | |
| 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 | 3500/1024 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 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 66) TD-LTE (38, 40, 41, 42) China version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) |
| Primary 5G network | Not supported | Global version: SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78, 79) China version: SA/NSA (1, 3, 28, 41, 77, 78, 79) |
| Primary data network | CSD, GPRS, EDGE | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, 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 | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| BlackBerry Curve 8520 | Xiaomi Mi 11 Ultra (512GB/12GB) | |
| Back camera (main camera) | 2 megapixels | (triple camera) 50 megapixels 48MP periscope telephoto f/4.1120mm1/2.0"0.8µmPDAFOIS5x-optical-zoom 48MP ultrawide f/2.212mm128°1/2.0"0.8µmPDAF |
| Main camera resolution | 1600x1200 pixels | 8160x6120 pixels |
| Video recording (primary) | QVGA (320x240) | 8K UHD (7680x4320) 24 fps |
| Flash | Not supported | Dual-LED flash |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | 24mm (lens) |
| Sensor size | feature not registered | 1/1.12" inches |
| Pixel size | feature not registered | 1.4µm pixel |
| Autofocus | Not supported | PDAF: phase detection autofocus |
| Touch focus | feature not registered | Supported |
| Image stabilization | feature not registered | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | feature not registered | Face detection, Smile detection |
| BSI sensor | feature not registered | Supported |
| HDR | feature not registered | HDR photo/video on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| BlackBerry Curve 8520 | Xiaomi Mi 11 Ultra (512GB/12GB) | |
| Front camera (secondary) | Not supported | 20 megapixels |
| Front camera resolution | Not supported | 5184x3840 pixels |
| Video recording (secondary) | Not supported | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | 27mm (lens) |
| Sensor size | feature not registered | 1/3.4" inches |
| Pixel size | feature not registered | 0.8µm pixel |
🔉 Sound and multimedia | ||
| BlackBerry Curve 8520 | Xiaomi Mi 11 Ultra (512GB/12GB) | |
| Loudspeaker | Supported | Supported |
| 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 Mi 11 Ultra (512GB/12GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C jack with 3.5mm jack adapter |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 2.0 + A2DP | 5.2 + 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 | Supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC |
| NFC | Not supported | Supported |
| Infrared port | feature not registered | Supported |
🧭 Sensors | ||
| BlackBerry Curve 8520 | Xiaomi Mi 11 Ultra (512GB/12GB) | |
| Sensors | Not supported | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| BlackBerry Curve 8520 | Xiaomi Mi 11 Ultra (512GB/12GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1150 mAh | 5000 mAh |
| Charger, watts | Wired charging | 67W Wired fast charging Quick Charge 4+ USB Power Delivery 3.0 |
| Inductive / wireless charging | feature not registered | 67W Qi wireless charging 10W Reverse wireless charging |
| Talk time autonomy | 4.5 hours | feature not registered |
| Standby | 408 hours (17 days) | feature not registered |
➕ Other features | ||
| BlackBerry Curve 8520 | Xiaomi Mi 11 Ultra (512GB/12GB) | |
| 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: Ceramic black, Ceramic white • MIUI 12.5 • Screen protector included • Protective case included • 24-bit/192kHz audio • Tuned by Harman Kardon • Secondary 1.1" AMOLED display next to the rear camera |
☢️ Radiation rate | ||
| BlackBerry Curve 8520 | Xiaomi Mi 11 Ultra (512GB/12GB) | |
| 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 |