With a more cluttered smartphone market than ever, it's important to know the differences between the most popular choices. The Samsung Galaxy S4 and S3, the iPhone 5S, the HTC One and Samsung Galaxy Note 2 are all excellent choices. But which one is right for you? Here's a comprehensive list of each phone's specs

Samsung Galaxy S4

Display: 5"³ HD Super AMOLED with 1920 x 1080 resolution

Hardware: 1.9 GHz quad-core Snapdragon 600 CPU, 16/32/64 GB internal memory (expandable to another 64 GB), 2 GB of RAM, 2600 mAh battery

Features: 1080p video recording, 13-megapixel camera w/autofocus, LED flash, various scene modes, digital zoom; 2-megapixel front camera

OS: Google Android 4.2.2 with Samsung TouchWiz

Networking: 802.11a/b/g/n/ac Wi-Fi, Wi-Fi Direct, BT 4.0, GPS, barometer, pedometer, humidistat, thermostat, GSM/EDGE/HSPA+/CDMA/EVDO/LTE (depending on model), NFC

Dimensions: 5.38"³ x 2.75"³ x 0.31"³, weight of 4.6 ounces

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Samsung Galaxy S3

Display: 4.8 HD Super AMOLED with 1280 x 720 resolution

Hardware: 1.5 GHz quad-core Cortex-A9, 16/32 GB internal memory (expandable to 64 GB), 1-2 GB RAM (depending on market), 2100 mAh battery

Features: 1080p video recording, 8-megapixel camera w/ geo-tagging and touch focus, face and smile detection; 1.9-megapixel front camera

OS: Android OS, v4.0.4 (Ice Cream Sandwich), upgradeable to 4.1.2 (Jelly Bean) w/ TouchWiz UI

Networking: Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, Wi-Fi Direct, Wi-Fi hotspot

Dimensions: 5.38" x 2.78" x 0.34", 4.69 ounces

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Apple iPhone 5

Display: 4-inch Retina Display with 1136 x 640 resolution

Hardware: 1.3 GHz dual-core processor Apple A6, 16/32/64 GB internal memory, 1GB of Ram, 1440 mAh battery

Features: 1080p video recording, 8-megapixel camera w/ auto/touch focus, face and smile detection; 1.2-megapixel front camera w/ HD video

OS: iOS 6.1.3 (iOS 7 available on iPhone 5S)

Networking: Wi-Fi (802.11 a/b/g/n) (802.11n: 2.4 and 5 GHz), Bluetooth 4.0, GPS & GLONASS, Quad-band GSM/GPRS/EDGE (850, 900, 1800, 1900 MHz), Quad-band UMTS/HSDPA+/DC-HSDPA (850, 900, 1900, 2100 MHz).

Dimensions: 4.87" x 2.31" x 0.30", 3.95 ounces

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HTC One

Display: Super LCD3 capacitive touchscreen, 16M colors

Hardware: 1.7 GHZ Qualcomm Snapdragon, 600 CPU, 32/64 GB internal memory (capacity varies), 2 GB RAM, 2300 mAh

Features: 1080p Full HD video recording with HDR Video, HTC BoomSound, HTC UltraPixel Camera, Smart Flash: Five levels of flash automatically set by distance to subject.

OS: Android 4.1.2 with HTC Sense 5

Networking: GSM/GPRS/EDGE (850/900/1800/1900 MHz), WCDMA (1900/2100 (B2/B1) MHz), CDMA (800/1900 BC0/BC1/BC10, Sprint), LTE (1900 (B25, SPCS), Frequencies will vary by region/operator

Dimensions: 5.29" x 2.75" x 0.35", 4.59 ounces

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Samsung Galaxy Note 2

Display: 5.5-inch HD Super AMOLED with 1,280 x 720 resolution

Hardware: 1.6 GHz quad-core processor, 16/32/64 GB internal memory, 2 GB RAM, 3100 mAh

Features: 8 Megapixel Auto Focus Camera with LED Flash, BSI; Sub(Front): 1.9 Megapixel VT Camera, BSI; Best Photo, Best Faces, Low light shot,S Pen Experience

OS: Android 4.1 (Jelly Bean)

Networking:  Bluetooth® v 4.0 (Apt-X Codec support) LE; USB 2.0 Host; WiFi 802.11 a/b/g/n (2.4 & 5 GHz), Wi-Fi HT40; Wi-Fi Direct; mHL; NFC

Dimensions: 5.95" x 3.17" x 0.37", 6.35 ounces