Samsung Galaxy Note 5
A Samsung Electronics Galaxy Note 5 smartphone is seen at the company's headquarters in Seoul, South Korea, October 27, 2015. Reuters/Kim Hong-Ji

Amazon is selling the factory unlocked Samsung Galaxy Note 5 at a huge discount of US$400 (AU$555). Samsung’s 2015 flagship smartphone is now priced at just $598 (AU$831), which, when compared to the regular Galaxy Note 5 price of US $999 (AU$1388) on the retailer website, translates into a cool 40 percent discount.

The deal, available for the international version of the unlocked 32GB variant of Galaxy Note 5 (Gold), with a model number N920, can be accessed via this link.

The unlocked Samsung Galaxy Note 5 on sale will only be compatible with GSM networks like AT&T and T-Mobile. It will not work on CDMA networks such as Verizon and Sprint.

The smartphone on sale is offered by Shopebest, which has received 100 percent feedback on Amazon. The same seller is also offering the international version of the 32GB Galaxy Note 5 (Black) for US$610 (AU$848), which gives customers savings of up to US $398 (AU$553).

Currently, AT&T is offering the 32GB Galaxy Note 5 for US$740 (AU$1,029), whereas T-Mobile listed the smartphone at US$700 (AU$973) on full retail price.

Amazon has also listed the factory unlocked Samsung Galaxy Note 5 in Silver and White.

International versions of the smartphones were not originally intended for sale in the US market. Depending on the region it sells in, international variants differed in terms of default settings, manufacturer warranties and accessories.

Quick summary of the Galaxy Note 5 specs:

The phablet features a 5.7-inch Quad HD display with a resolution of 2560 x 1440 pixels.

The Galaxy Note 5 is powered by Samsung’s own Exynos 7420 processor paired with 4GB of RAM and 32GB of internal memory. The phablet touts a stylus and houses a 3,000 mAh battery.

The smartphone also features a 16-megapixel rear-facing camera unit equipped with optical image stabilisation (OIS), autofocus and LED flash along with a 5-megapixel front shooter.