7 small-screen smartphones: Can 4-inch iPhone SE trump rivals?

The Sony Xperia Z5 Compact is one of the smallest screen modern smartphones available today. It's priced around $450 and has a 4.6 inch 1280x720 pixels display.

Tech specs include:

• Qualcomm Snapdragon 810 processor
• 2GB RAM
• 32GB internal storage with microSD card slot
• Rear 23 megapixel camera.

The HTC One A9 looks similar to an iPhone, but runs Android 6.0 Marshmallow. It's HTC's newest smartphone with a 5 inch 1920x1080 pixels resolution display.

You can buy the HTC One A9 for $499.99 and technical specifications include:

• Snapdragon 617 processor
• 3GB RAM
• 32GB storage with microSD card
• 13 megapixel rear camera

The Moto G is not the most powerful handset by far, but probably one of the best handsets for the money, doubly so given that you can buy it unlocked for under $200.

Tech specs:

• Android 5.1.1 (Lollipop)
• 5.0 inch 720 x 1280 pixel IPS LCD capacitive touchscreen featuring Corning Gorilla Glass 3
• Quad-core Snapdragon 410 with 1.4 GHz Cortex-A53 with Adreno 306 GPU
• 1GB of RAM in the 8GB storage version, 2GB in the 16GB storage version
• 8/16GB of storage
• Non-removable Li-Ion 2470 mAh battery
• 13-megapixel rear-facing camera
• 5-megapixel front-facing camera
• Micro SD card support
• IPX7 certified - water resistant up to 1 meter for 30 minutes
• Color options: Black and White, but with many accent and trim options

The OnePlus X is another very affordable smartphone, coming in at just $249. Tech specs include:

• Oxygen OS based on Android 5.1.1 (Lollipop)
• 5.0 inch 1,080 by 1920 pixels display
• Quad-core Snapdragon 801 processor
• 3GB of RAM in the 16GB storage with microSD expansion card
• 13 megapixel rear camera

The newest phone from Samsung comes in at a high price, likely to rival that of the new iPhone. It ranges from $670 to $730, depending on the carrier you purchase it from.

The Samsung Galaxy S7 tech specs include:

• 5.1 inch 1440x2560 pixels resolution Super AMOLED display
• 12 megapixel camera
• 4GB RAM
• 32GB storage with microSD card
• Marshmallow 6.0 OS
• Water resistant design
• 3000 mAh battery

The Google Nexus 5X can be used with a GSM carrier or with the Project Fi service. It's the first phone to get the latest version of Android and starts at $379.

Tech specs include:

• Processor: Qualcomm Snapdragon 808 1.8 GHz hexa-core 64-bit with Adreno 418 GPU
• Display: 5.2 inch LCD at 1920 x 1080 pixels resolution, 423 ppi, Corning Gorilla Glass 3
• Operating system: Android 6.0 Marshmallow
• RAM: 2GB LPDDR3
• Storage: 16 and 32 GB internal options
• Cameras: Rear 12.3 megapixel camera with f/2.0 aperture and large 1.55 micrometer pixels. 5 megapixel front-facing camera with f/2.0 aperture and 1.4 micrometer pixels
• Speaker/mics: Single front-facing speaker, 3 microphones
• Sensors: Fingerprint, proximity, motion, compass, gyro, barometer, Android Sensor Hub
• Wireless: Bluetooth 4.2, 802.11 a/b/g/n/ac @x2 MIMO WiFi, GPS, NFC
• Battery: 2,700 mAh battery with fast charging via USB Type-C (up to 7 hours of use with 10 minutes of charging)
• Dimensions: 147 x 72.6 x 7.9 mm and 136 grams
• Colors: Carbon (black), quartz (white), ice (mint green)

The Nextbit Robin is a unique device with a focus on cloud storage and access. It's available now for a reasonable $399.

Tech specs include:

• 13 megapixel rear camera
• Marshmallow OS
• Dual front-facing speakers
• 3GB RAM
• 32GB internal storage with unique 100GB cloud storage option

While the Windows 10 Mobile market share is low compared to Android and iOS, as universal apps roll out the Lumia devices become more compelling for the enterprise user. The Lumia 950 carries a rather high price at $549, but the 5.2 inch display device fits nicely in your pocket.

Tech specs for the Lumia 950 include:

• 20 megapixel rear camera
• Windows 10 Mobile
• Qualcomm Snapdragon 808 processor
• 3GB RAM
• 32GB internal storage with microSD expansion card option
• User replaceable battery