Apple has updated its MacBook Pro with Retina display lineup with faster processors across the board and more RAM in the base 13.3-inch and 15.4-inch models, that kick off at $1,299 and $1,999, respectively. The new processors are 200 MHz faster than before, BetaNews reports.

Both the entry-level and mid-range 13.3-inch Retina MacBook Pros come with a 2.6 GHz dual-core Intel Core i5 processor (with Turbo Boost up to 3.1 GHz), while the high-end model packs an even faster 2.8 GHz processor (with Turbo Boost up to 3.3 GHz). The base model gains 8 GB of RAM in the new generation, twice as much as its predecessor offered, but retains its 128 GB of internal storage.

The mid-range 13.3-inch Retina MacBook Pro, which comes with 8 GB of RAM and 256 GB of internal storage, costs $1,499. The beefier model, with 8 GB of RAM and 512 GB of internal storage, goes for $1,799. Available hardware upgrades include: 2.8 GHz dual-core Intel Core i5 for $100, 3.0 GHz dual-core Intel Core i7 for $300 (just $200 for the top of the line model), and 16 GB of RAM for $200, BetaNews says.

Other highlights include: 13.3-inch IPS display with a resolution of 2,560 by 1,600 (227 pixels per inch); Intel Iris Graphics; 720p FaceTime HD camera; two Thunderbolt 2 ports; two USB 3.0 ports; SDXC card slot; Wi-Fi 802.11 a/b/g/n/ac; Bluetooth 4.0; OS X 10.9 Mavericks; nine hours of Wi-Fi web browsing or video playback; physical dimensions of 31.4 x 21.9 x 1.8 cm and weight of 1.57 kg.

The entry-level 15.4-inch Retina MacBook Pro offers a 2.2 GHz quad-core Intel Core i7 processor (with Turbo Boost up to 3.4 GHz), while the high-end model comes with a 2.5 GHz processor (with Turbo Boost up to 3.7 GHz). The former ships with 16 GB of RAM, which is double than before, and 256 GB of internal storage.

The high-end 15.4-inch Retina MacBook Pro, which features 16 GB of RAM and 512 GB of internal storage, can be had for $2,499. Available hardware upgrades include: 2.5 GHz quad-core Intel Core i7 processor for $100 (only for the base model), 2.8 GHz quad-core Intel Core i7 processor for $300 (just $200 for the high-end model), 512 GB of internal storage for $300 (only for the base model), and 1 TB of internal storage for $800 (just $500 for the high-end model), BetaNews says.

Other highlights include: 15.4-inch IPS display with a resolution of 2,880 by 1,800 (220 pixels per inch); Intel Iris Pro Graphics (high-end model also gets Nvidia's GeForce GT 750M with 2 GB of GDDR5 memory); 720p FaceTime HD camera; two Thunderbolt 2 ports; two USB 3.0 ports; SDXC card slot; Wi-Fi 802.11 a/b/g/n/ac; Bluetooth 4.0; OS X 10.9 Mavericks; eight hours of Wi-Fi web browsing or video playback; physical dimensions of 35.89 x 24.71 x 1.8 cm and weight of 2.02 kg.