| RELEASE DATE | 2015, APRIL | 
| SIM SUPPORT | DUAL SIM (MICRO-SIM, DUAL STAND-BY) | 
| PHONE DIMENSIONS | 5.67 X 2.90 X 0.34 IN | 
| PHONE WEIGHT | 152 G | 
| OPERATING SYSTEM | MICROSOFT WINDOWS PHONE 8.1 WITH LUMIA DENIM | 
| SCREEN SIZE | 5.0 INCHES | 
| SCREEN RESOLUTION | 720 X 1280 PIXELS | 
| SCREEN TYPE | IPS LCD CAPACITIVE TOUCHSCREEN, 16M COLORS | 
| SCREEN PROTECTION | CORNING GORILLA GLASS | 
| INTERNAL MEMORY | 8GB | 
| RAM | 8GB 1GB RAM | 
| CARD SLOT | MICROSD, UP TO 256 GB (DEDICATED SLOT) | 
| PROCESSOR | QUAD-CORE 1.2 GHZ CORTEX-A7 | 
| GPU | ADRENO 302 | 
| TYPE | REMOVABLE LI-ION 2200 MAH BATTERY | 
| FRONT CAMERA | 5 MP | 
| FRONT FLASH LIGHT | NO | 
| FRONT VIDEO RECORDING | 480P | 
| BACK FLASH LIGHT | YES | 
| BACK CAMERA | 8 MP | 
| BACK VIDEO RECORDING | 480P@30FPS | 
| BLUETOOTH | YES | 
| 3G | YES | 
| 4G/LTE | NO | 
| RADIO | FM RADIO | 
| WIFI | YES | 
| NFC | NO | 
| Specifications |   Microsoft Lumia 540 Dual SIM$ 66 | |||
|---|---|---|---|---|
| General Features | ||||
| Release Date | 2015, April | 2015, October | 2015, October | 2015, January | 
| SIM Support | Dual SIM (Micro-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) | Nano-SIM | Micro-SIM | 
| Phone Dimensions | 5.67 x 2.90 x 0.34 in | 5.98 x 3.09 x 0.32 in | 5.36 x 2.67 x 0.39 in | 4.65 x 2.55 x 0.46 in | 
| Phone Weight | 152 g | 165 g | 141.9 | 134.1 g | 
| Operating System | Microsoft Windows Phone 8.1 with Lumia Denim | Microsoft Windows 10 | Microsoft Windows 10 | Microsoft Windows Phone 8.1, planned upgrade to Windows 10 | 
| Display | ||||
| Screen Size | 5.0 inches | 5.7 inches | 4.7 inches | 4.0 inches | 
| Screen Resolution | 720 x 1280 pixels | 1440 x 2560 pixels | 720 x 1280 pixels | 480 x 800 pixels | 
| Screen Type | IPS LCD capacitive touchscreen, 16M colors | AMOLED capacitive touchscreen, 16M colors | IPS LCD, capacitive touchscreen, 16M colors | IPS LCD, capacitive touchscreen, 16M colors | 
| Screen Protection | Corning Gorilla Glass | Corning Gorilla Glass 4 | Corning Glass | |
| Memory | ||||
| Internal Memory | 8GB | 32 GB | 8 GB | 8 GB | 
| RAM | 8GB 1GB RAM | 3 GB RAM | 1 GB RAM | 1 GB RAM | 
| Card Slot | microSD, up to 256 GB (dedicated slot) | microSD, up to 200 GB | microSD, up to 256 GB (dedicated slot) | microSD, up to 256 GB (dedicated slot) | 
| Performance | ||||
| Processor | Quad-core 1.2 GHz Cortex-A7 | Quad-core 1.5 GHz Cortex-A53 & Quad-core 2 GHz Cortex-A57 | Quad-core 1.1 GHz Cortex-A7 | Dual-core 1.2 GHz Cortex-A7 | 
| GPU | Adreno 302 | Adreno 430 | Adreno 304 | Adreno 302 | 
| Battery | ||||
| Type | Removable Li-Ion 2200 mAh battery | Li-Ion 3340 mAh battery | Removable Li-Ion 2100 mAh battery | Removable Li-Ion 1560 mAh battery | 
| Camera | ||||
| Front Camera | 5 MP | 5 MP | 2 MP | VGA | 
| Front Flash Light | No | No | No | |
| Front Video Recording | 480p | Yes | 480p | 480p | 
| Back Flash Light | Yes | Yes | Yes | No | 
| Back Camera | 8 MP | 20 MP | 5 MP | 2 MP | 
| Back Video Recording | 480p@30fps | Yes | 720p@30fps | 480p@30fps | 
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes | 
| 3G | Yes | Yes | Yes | Yes | 
| 4G/LTE | No | Yes | Yes | No | 
| Radio | FM radio | FM radio | FM radio | FM radio, RDS | 
| WiFi | Yes | Yes | Yes | Yes | 
| NFC | No | Yes | No | |
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