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General
| Name | Microsoft Lumia 540 Dual SIM | Microsoft Surface Duo |
|---|---|---|
| Launch Date | 1 Apr 2015 | 12 Aug 2020 |
| Brand | Microsoft | Microsoft |
| Colors | Orange, white, black, gray, blue | White |
Display
| Display Size | 5.0 Inches | 8.1 Inches |
|---|---|---|
| Display Type | IPS LCD | AMOLED |
| Resolution | 720 x 1280 pixels | 1800 x 2700 pixels |
| Refresh Rate | 60Hz | 60Hz |
| Display Protection | - | Gorilla Glass 5 |
| Aspect Ratio | 16:9 | 3:2 |
| Stylus Support | No | Yes |
| Features | 64.9% (screen to body ratio), 294 ppi | 144.2% (screen to body ratio), 401 ppi |
Cover Display
| Display Size | - | 5.6 Inches |
|---|---|---|
| Display Type | - | AMOLED |
| Resolution | - | 1350 x 1800 pixels |
| Refresh Rate | - | 60Hz |
| Aspect Ratio | - | 4:3 |
Platform
| Operating System | Microsoft Windows Phone 8.1 with Lumia Denim | Android 10, upgradable to Android 11 |
|---|---|---|
| Processor | Snapdragon 200 (28 nm) | Snapdragon 855 (7 nm) |
| CPU | Quad-core 1.2 GHz Cortex-A7 | Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485) |
| GPU | Adreno 302 | Adreno 640 |
Memory
| Ram | 1GB | 6GB |
|---|---|---|
| Ram Type | LPDDR2 | LPDDR4x |
| Storage | 8GB | 128GB, 256GB |
| Storage Type | eMMC 4.5 | UFS 3.0 |
| SD Card Slot | Yes | No |
Camera
| Type | Single Camera | Single Camera |
|---|---|---|
| Main | 8 MP, f/2.2, 28mm, 1/4.0", AF | 11 MP, f/2.0, 23mm, 1.0µm |
| Video | 480p@30fps | 4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, HDR |
| Features | - | HDR |
Front Camera
| Type | Single Camera | Single Camera |
|---|---|---|
| Selfie | 5 MP | 11 MP (Uses main camera) |
| Video | 480p | 4K@30/60fps, 1080p@30/60fps, gyro-EIS, HDR |
| Features | - | HDR, panorama |
Battery
| Capacity | 2200 mAh | 3577 mAh |
|---|---|---|
| Battery Technology | Li-Ion, removable | Li-Po, non-removable |
| Charging Speed | - | 18W |
| USB Type | Micro USB, USB 2.0 | Type C, USB 3.1 |
| Wireless Charging | No | No |
Network
| Sim | Dual Sim | Dual Sim |
|---|---|---|
| Sim Type | Dual SIM (Micro-SIM, dual stand-by) | Nano-SIM and eSIM |
| Technology | 3G | 4G |
| Bands | ||
Connectivity
| Wi-Fi | WiFi 2.4 | WiFi 5 |
|---|---|---|
| Bluetooth | V4.0 | V5.0 |
| NFC | No | No |
| GPS | Yes | Yes |
Audio
| Loudspeaker | Yes | Yes |
|---|---|---|
| Headphone Jack | Yes | No |
Biometric
| Fingerprint | No | Yes |
|---|---|---|
| Fingerprint Type | - | Capacitive Fingerprint Scanner |
| Fingerprint Position | - | Side-Mounted |
| Face Unlock | Not Available | 2D Face Unlock |
Body
| Dimensions | 144 x 73.7 x 8.6 mm | 145.2 x 93.3 x 9.9 mm (Folded) 186.9 x 145.2 x 4.8 mm (Unfolded) |
|---|---|---|
| Weight | 152 g | 250 g |
| Frame | Plastic Frame | Aluminium Frame |
| Back | Plastic Back | Glass Back |
| Back Protection | - | Gorilla Glass 5 |
| IP Rating | No | No |
Others
| Sensors | Accelerometer, proximity | Dual accelerometer, dual gyro, proximity, dual compass |
|---|
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