System76 Lemur is the latest Linux laptop in the market, packing a 14.1 inch display and Intel Broadwell processor. The cheapest model retails for 599 dollars for which you get 4GB RAM and 500GB HDD. If you spend $89 extra, you get 120GB mSATA SSD that will give tremendous boost to performance. Its 6 cell battery promises 4-5 hour of runtime on a single charge.
System76 Lemur specifications
Processor: Intel Core i3-5010U dual-core (2.10GHz – Cache 3MB)
Graphics: Intel HD 5500
Display: 14.1-inch (1366 × 768 pixels) HD, polished
Memory: up to 16GB Dual Channel DDR3 @ 1600 MHz
Storage: 1 mSATA, SATA III 2.5-inch
Interfaces: 2 USB 3.0, USB 2.0, HDMI 1.4a, VGA, SD card reader, Kensington Lock
Optical Drive: DVD-RW
Networking: Gigabit Ethernet, Intel Wireless-AC, Bluetooth
Audio: Stereo speakers, microphone, headphone jack and microphone, 5.1-channel (HDMI)
Camera: 720p HD
Battery: Removable Smart 6 Cell Li-Ion – 62.16 Wh
Dimensions: 33.98 × 24.13 × 2.26 cm
Weight: 1.9 kg
Specs via evleaks
Intel Core i3 5010u is a fifth generation i-series processor from Intel and is used in many laptops with ultra low voltage processors. The 5010u is very power sipping and yields very little heat, making it comfortable for use on laps.