HTC One ($ 398)

Features:
SensorsAccelerometer, Gyro, Compass, Proximity

Specifications:

BuildOSAndroid OS, v4.1.2 (Jelly Bean), upgradable to v4.2.2 (Jelly Bean)
UIHTC Sense UI v5
Dimensions137.4 x 68.2 x 9.3 mm
Weight143 g
SIMMicro-SIM
ColorsBlack, Silver, Red
Frequency2G BandGSM 850 / 900 / 1800 / 1900
3G BandHSDPA 850 / 900 / 1900 / 2100
4G BandLTE 800 / 1800 / 2600
ProcessorCPUQuad-core 1.7 GHz Krait 300
ChipsetQualcomm APQ8064T Snapdragon 600
DisplayTechnologySuper LCD3 capacitive touchscreen, 16M colors, Multitouch
Size4.7 inches
Resolution1080 x 1920 pixels
ProtectionCorning Gorilla Glass 2
MemoryBuilt-in32/64GB built-in, 2GB RAM
CardNo
CameraMain4MP, 2688x1520 pixels, autofocus, LED flash
Features1/3" sensor size, 2µm pixel size, Simultaneous HD video and image recording, geo-tagging, face and smile detection, Video (1080p 30fps, stereo sound rec, video stabilization)
Front(2.1 MP, 1080p@30fps), HDR
ConnectivityWLANWi-Fi 802.11 a/ac/b/g/n, Wi-Fi Direct, DLNA, Wi-Fi hotspot
Bluetoothv4.0 with A2DP
GPSYes + A-GPS support & Glonass
RadioStereo FM radio with RDS
USBYes
NFCYes
InfraredYes
DataGPRS, EDGE, 3G (HSPA+; LTE, Cat3, 50 Mbps UL, 100 Mbps DL), 4G LTE
FeaturesSensorsAccelerometer, Gyro, Compass, Proximity
Audio3.5mm audio jack, Speakerphone
BrowserHTML5
MessagingSMS (threaded view), MMS, Email, Push Email
Gamesbuilt-in + downloadable
TorchYes
ExtraActive noise cancellation with dedicated mic, Google Search, Maps, Gmail, Document viewer/editor, Predictive text input, Speakerphone
BatteryStandbyUp to 500 h
TalktimeUp to 27 h