With the Samsung Galaxy Note 5 now officially official, it's time for a quick reminder of how it stacks up against its two immediate predecessors, the Galaxy Note 4 and Note 3. While all three are 5.7-inch phones with Samsung's S Pen stylus input, the company's latest big-screened handset loses a couple of trademark features, while bumping up specs in other areas.

Read on to see how these three compare.

Category Galaxy Note 5 Galaxy Note 4 Galaxy Note 3 OS Android 5.0 Lollipop Android 5.0 Lollipop Android 5.1 Lollipop Dimensions 153.2 x 76.1 x 7.6mm, 171g 153.5 x 78.6 x 8.5mm, 176g 151.2 x 79.2 mm x 8.3 mm, 168g Processor Exynos 7420 (64bit, 14nm)

Octa core (2.1GHz Quad + 1.5GHz Quad) 2.7 GHz Quad-Core Processor (Snapdragon 805)

or 1.9 GHz Octa-Core (1.9GHz Quad + 1.3GHz Quad-Core) Processor (Exynos) 2.3GHz Snapdragon 800 CPU

or Exynos Octa-Core Memory 4GB RAM (LPDDR4)

32/64GB (UFS 2.0) 3GB RAM

32 GB Internal memory ＋ micro SD slot (up to 64GB) 3GB RAM

32GB/64GB on-board storage, expandable via microSD card (upto 64GB card supported) Display 5.7" Quad HD Super AMOLED 2560x1440 (518ppi) 5.7" Quad HD Super AMOLED 2560x1440 (518ppi) 5.7" Quad HD Super AMOLED 1920x1080 (386ppi) Camera Rear: 16 MP OIS (F1.9)

Front: 5 MP (F1.9) Rear: 16 MP OIS (F2.2)

Front: 3.7 MP (F1.9) Rear: 13MP (F2.2)

Front: 2.1 MP Battery 3000mAh non-removable 3220mAh removable 3220mAh removable Wireless Charging Built-in With replacement back With replacement back SIM Nano SIM Micro SIM Micro SIM Connectivity WiFi 802.11 a/b/g/n/ac (2.4/5GHz), MIMO (2x2) 620Mbps

Bluetooth® v4.2 LE, ANT+, USB 2.0, NFC, Location (GPS, Glonass, Beidou) WiFi 802.11 a/b/g/n/ac (HT80) MIMO PCIe

GPS / GLONASS / Baidu

NFC, Bluetooth® v 4.1 (BLE, ANT+) Wifi 802.11 a/b/g/n/ac, Bluetooth 4.0, GPS Quick Charge Yes Yes No

So, Note 4 and Note 3 owners, are you planning on upgrading? Let us know in the comments!