Apple Iphone 15
Apple Iphone 15 Pro Max
Samsung Galaxy S23 Ultra
Microsoft Lumia 640 Dual SIM LTE vs Nokia Lumia 928 vs Microsoft Lumia 840
Microsoft Lumia 640 Dual SIM LTE
Nokia Lumia 928
Microsoft Lumia 840
| BASIC INFO |
|---|
| Model No | - | - | Lumia 840 |
| Status | Discontinued | Released 2013, May | Available |
| Release Date | 2015, March | 2013, April | 2015, April, Q3 |
| Dimension | 141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in) | 133 x 68.9 x 10.1 mm, 92.8 cc (5.24 x 2.71 x 0.40 in) | 137mm x 71mm x 8.9mm |
| Weight | 145 g (5.11 oz) | 162 g (5.71 oz) | 146 g |
| Colors | Glossy cyan, Orange, White, Matte black | Black, white | Yellow, white, black, red |
| Body Metrial | - | - | - |
| W & D Proof | - | - | - |
| SIM Type | - | - | Micro sim, Dual Sim |
| Technology | - | - | GSM |
| OS | Microsoft Windows Phone 8.1 | Microsoft Windows Phone 8, upgradeable to WP8 Amber | Microsoft Windows Phone 8.1 |
| PROSESSING |
|---|
| Processor | Qualcomm Snapdragon 400, Quad core 1.2 GHz cortex a7 Adreno 305 GPU | Dual-core 1.5 GHz Krait | Quad-core, 2.7 Ghz Krait 400 |
| Chipset | - | - | Qualcomm Snapdragon 400 |
| GPU | - | - | Adreno420 |
| MEMORY |
|---|
| RAM | - | - | 2 GB |
| Storage | - | - | 16 GB |
| Card Slot | 8 GB Storage, 1 GB RAM, microSD, up to 32 GB card slot | 32 GB, 1 GB RAM | microSD, up to 128 GB |
| DISPLAY |
|---|
| Size | 720 x 1280 pixels, 5 inches (~229 ppi pixel density) | 768 x 1280 pixels, 4.5 inches (~332 ppi pixel density) | 5.0 inches |
| Type | IPS LCD capacitive touchscreen, 16M colors | AMOLED capacitive touchscreen, 16M colors | Super Amoled capacitive touchscreen, 16M colors |
| Resolation | - | - | 1080 x 1920 pixels |
| PPI | - | - | 441 ppi pixel density |
| Multi touch | - | - | Yes |
| Protection | - | - | Corning Gorilla Glass |
| CAMERA |
|---|
| Primary | 8 MP, 3264 x 2448 pixels, autofocus, LED flash | 8 MP, 3264 x 2448 pixels, Carl Zeiss optics, optical image stabilization, autofocus, xenon flash | 14 MP, 3456 x 4608 pixels, optical image stabilization, autofocus, triple-LED flash, Geo-tagging, touch focus, face detection, panorama, HDR |
| Video | Yes, 1080p@30fps | Yes, 1080p@30fps, video stabilization, stereo sound rec. | Yes, 1080p@30fps |
| Flash | - | - | LED |
| Features | - | - | Yes |
| Selfie | Yes, 1 MP | Yes, 1.3 MP, 720p@30fps | Yes 5 MP |
| BATTERY |
|---|
| Battery | Li-Ion 2500 mAh battery | Non-removable Li-Ion 2000 mAh battery (BV 4-NW) | Li-Ion Battry |
| Capacity | - | - | 3000 mah |
| Removable | - | - | Non-Removable |
| StandBy | - | - | - |
| Talk Time | - | - | - |
| Music Play | - | - | - |
| Browsing | - | - | Yes |
| Video Playback | - | - | - |
| F Charging | - | - | - |
| W Charging | - | - | - |
| NETWORK |
|---|
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900, CDMA 800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 1700 / 1900 / 2100, CDMA2000 1xEV-DO | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE | LTE 700 MHz Class 13 / 1700 / 2100 , LTE 700 MHz Class 13 / 1700 / 2100 | LTE |
| Speed | - | - | Yes |
| 5G | - | - | - |
| CONECTIVY |
|---|
| WALAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi hotspot |
| BlueTooth | Yes, v4.0 with A2DP | Yes, v3.1 with A2DP, EDR | Yes, v4.0 with A2DP |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | Yes, with A-GPS, GLONASS, Beidou | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support and GLONASS |
| NFC | - | - | Yes |
| Audio jeck | - | - | Yes |
| OTHERS |
|---|
| Sensors | - | - | Accelerometer, Ambient Light |
| Radio | FM radio | Stereo FM radio with RDS | FM radio |
| SARUS | - | - | - |
| SAREU | - | 0.88 W/kg (head) | - |
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