Microsoft Lumia 640 (LTE) vs Xiaomi 17 (512GB/16GB)
Side by side comparison between Microsoft Lumia 640 vs Xiaomi 17 phones, differences, pros, cons and full specifications. What's the better?
,
vs
6.3"
AMOLED
AMOLED
1220x2656
50
MP
MP
50mp
16GB
RAM
RAM
Octa-core
7000
mAh
mAh
(Non removable)
What's the better phone? Xiaomi 17 (512GB/16GB)
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 
32 Advantages | 16 Common items in both devices |
| Autofocus / PDAF: phase detection autofocus on both cameras |
| BSI sensor |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Compass |
| +9 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 | ||
| Microsoft Lumia 640 (LTE) | Xiaomi 17 (512GB/16GB) | |
| Model | Lumia 640 (LTE) | Xiaomi 17 (512GB/16GB) |
| Other model names | AT&T Microsoft Lumia 640 4G RM-1072, Lumia 640 RM-1073 | Xiaomi 17 25113PN0EC |
| Country or region available | feature not registered |  (Global, International) |
| Brand | Microsoft | Xiaomi |
| Release date | 4/1/2015 | 9/27/2025, Announced: 9/25/2025 |
| Depth | 8.8 millimeters (0.35 inches) | 8.1 millimeters (0.32 inches) |
| Size (width x height) | 72.2 x 141.3 millimeters (2.84 x 5.56 in) | 71.8 x 151.1 millimeters (2.83 x 5.95 in) |
| Weight | 145 grams (5.08 ounces) | 191 grams (6.69 ounces) |
| Build, materials | feature not registered | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Microsoft Lumia 640 (LTE) | Xiaomi 17 (512GB/16GB) | |
| Display type | TFT IPS LCD | LTPO AMOLED |
| Screen size | 5" inches | 6.3" inches |
| Screen-to-body ratio | ~67.6% (screen-to-body ratio) | ~89.5% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 1220x2656 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 294 PPI | 464 PPI |
| Colors | 16 million | 68 billion |
| Scratch-resistant glass | Gorilla Glass 3 | Dragon Crystal Glass |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 3500nits[peak] Dolby Vision/HDR10+ |
🤖 Operating System | ||
| Microsoft Lumia 640 (LTE) | Xiaomi 17 (512GB/16GB) | |
| System version | Windows Phone 8.1 | Android 16 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | HyperOS 3 |
⚙️ Processor | ||
| Microsoft Lumia 640 (LTE) | Xiaomi 17 (512GB/16GB) | |
| Chipset | 32bit: Qualcomm Snapdragon 400 MSM8926 (28nm) | 64bit: Qualcomm Snapdragon 8 Elite Gen 5 (SM8850-AC) (3nm) |
| CPU | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A7 (Quad-core) | Octa-core, 2 processors: 2x 4.61GHz Oryon V3 Phoenix L (Dual-core) 6x 3.62GHz Oryon V3 Phoenix M (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 305 400Mhz | Qualcomm Adreno 840 |
| Performance (benchmark) | feature not registered | AnTuTu: 3492566 (v11) Geekbench: 11228 (v6.5) |
💽 Memory and storage | ||
| Microsoft Lumia 640 (LTE) | Xiaomi 17 (512GB/16GB) | |
| RAM memory | 1GB LPDDR2 | 16GB LPDDR5X |
| Internal storage | 8GB (3GB available) | 512GB (458GB available) |
| External storage | Until 128GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Microsoft Lumia 640 (LTE) | Xiaomi 17 (512GB/16GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 Mbps | 3000/1024 Mbps |
| Network technology | 2G, 3G, 4G | 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 | UMTS 850/900/2100 | UMTS 800/850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat4 800/900/1800/2100/2600 (Bands 1/3/7/8/20) | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42, 48) VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 18, 20, 25, 26, 28, 38, 40, 41, 48, 66, 77, 78, 80, 81, 83, 84, 89) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 800/850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42, 48) VoLTE |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
📷 Camera | ||
| Microsoft Lumia 640 (LTE) | Xiaomi 17 (512GB/16GB) | |
| Back camera (main camera) | 8 megapixels | (triple camera) 50 megapixels 50MP telephoto f/2.060mm1/2.76"0.64µmPDAFOIS2.6x-optical-zoom 50MP ultrawide f/2.417mm102°1/2.76"0.64µm |
| Main camera resolution | 3264x2448 pixels | 8160x6120 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 8K UHD (7680x4320) 30 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/2.2 (aperture) | f/1.7 (aperture) |
| Focal length | feature not registered | 23mm (lens) |
| Sensor size | 1/4" inches | 1/1.31" inches |
| Pixel size | feature not registered | 1.2µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus on both cameras |
| Touch focus | Supported | Supported |
| Image stabilization | feature not registered | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Face detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo only main camera | HDR photo/video on both cameras |
| Camera extras | feature not registered | 8K@30fps (HDR) 4K@30/60fps (HDR10+ 10-bit Dolby Vision/HDR 10-bit LOG 1080p@30/60/120/240/960fps 720p@1920fps |
📸 Front camera | ||
| Microsoft Lumia 640 (LTE) | Xiaomi 17 (512GB/16GB) | |
| Front camera (secondary) | 1 megapixels | 50 megapixels |
| Front camera resolution | 1280x720 pixels | 8160x6120 pixels |
| Video recording (secondary) | HD (1280x720) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | 21mm (lens) |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Microsoft Lumia 640 (LTE) | Xiaomi 17 (512GB/16GB) | |
| Loudspeaker | Supported | Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos Hi-Res audio |
| Active noise cancellation | 2 microphones or more | 4 microphones |
| Radio | FM | 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 | ||
| Microsoft Lumia 640 (LTE) | Xiaomi 17 (512GB/16GB) | |
| USB | MicroUSB 2.0 | USB 3.2 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 4.0 + A2DP | 5.4 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 a/b/g/n/ac/ax/be [wifi7/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC |
| NFC | Supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Microsoft Lumia 640 (LTE) | Xiaomi 17 (512GB/16GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Microsoft Lumia 640 (LTE) | Xiaomi 17 (512GB/16GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Si: lithium-silicon (Non removable) |
| Battery capacity | 2500 mAh | 7000 mAh |
| Charger, watts | Wired charging | 100W Wired fast charging Reverse charging by cable Quick Charge 3+ USB Power Delivery 3.0 |
| Inductive / wireless charging | feature not registered | 50W Qi Wireless charging (Qi/WPC) 22.5W Reverse wireless charging |
| Talk time autonomy | 20 hours | feature not registered |
| Standby | 840 hours (35 days) | feature not registered |
➕ Other features | ||
| Microsoft Lumia 640 (LTE) | Xiaomi 17 (512GB/16GB) | |
| Call control | Voice dialing, Voice recorder | 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 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • Lumia Denim UI • Microsoft ClearBlack display • OneDrive 30GB • Beidou GPS • WiFi hotspot | • Colors: Black, Blue, Pink, White |
☢️ Radiation rate | ||
| Microsoft Lumia 640 (LTE) | Xiaomi 17 (512GB/16GB) | |
| 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 |