Samsung and Apple have been battling for control of the top-end smartphone market since the Korean firm released its first Galaxy phone nearly half a decade ago.
In the past, while Samsung has managed to beat Apple in overall smartphone sales by swamping the market with a horde of affordable handsets, its top-end Galaxy S2 and S3 devices have always played second fiddle to the iPhone.
Yet, the gap in sales between Samsung and Apple has gradually been narrowing with each passing year. Analysts have since cautiously predicted that the Galaxy S4 may be the first Android phone to beat the next iPhone in global sales.
However this victory will hinge on Samsung's ability to beat the Apple iPhone in both technical specifications and software innovations. Here we take a look at the crucial specs and which firm has the most impressive device.
Measurements and weight
Samsung Galaxy S4: 137x70x7.9 mm, 130g
Apple iPhone 5: 124x59x7.6 mm, 112g
It's undeniable the Apple iPhone is lighter and more small-hand friendly than the Samsung Galaxy S4, however it achieves this at the expense of screen size.
Samsung Galaxy S4: 5in full HD super Amoled 1920x1080 display, 441 ppi
Apple iPhone 5: 4in 1136x640 Retina display, 326 ppi
When it was released last year the iPhone 5's Retina Display was the best ever seen on a smartphone. However since then competitors like HTC, Sony and now Samsung have caught up creating even higher pixels-per-inch displays.
Samsung Galaxy S4: 1.6 GHz Octa-Core Processor or quad-core 1.9GHz Qualcomm Snapdragon 600 processor in US, Canada and Sweden
Apple iPhone 5: A6 dual-core
Apple has consistently claimed there's no need for quad-core processors in a smartphone as the device's speed is largely dependent on how well optimised the software is for the components.
This claim has proved true in the past and for that reason we think the eight-core processor in the Galaxy S4 could be overkill.
Samsung Galaxy S4: 2,600 mAh
Apple iPhone 5: 1,440 mAh
The Galaxy S4's battery is significantly bigger than the iPhone 5's. However powering the much larger display it's still up in the air whether the increase capacity will result in a longer battery life.
Samsung Galaxy S4: Android 4.2.2 Jelly Bean
Apple iPhone 5: iOS 6
Picking which operating system is better is largely down to the individual user's personal preference.
However it's worth noting the S4 does feature several innovative camera and interactive features the iPhone does not. These include Air Gesture and View features that let users interact with the device using Minority Report style gestures.
Samsung Galaxy S4: 13MP rear, 2MP front
Apple iPhone 5: 8MP rear, 1.2MP front
The Samsung Galaxy S4 on paper has a better megapixel count, though as demonstrated by the HTC One, pixel count is not indicative of photographic quality.
Samsung Galaxy S4: 16/32/64GB user memory + microSD slot (up to 64GB)
Apple iPhone 5: 16/32/64GB internal
Both devices are available with multiple storage options. If you really want to store a lot of media, Samsung is offering up its new HomeSync product, which offers users 1TB of storage via a streaming server. However, with the advent of low-cost cloud storage services like iCloud, Google Drive and DropBox it's unlikely you'll ever be short of space with either smartphone.
Samsung Galaxy S4: GSM/GPRS/EDGE/HSPA+/4G LTE Cat 3; Wi-Fi 802.11 a/b/g/n/ac, GPS, NFC, Bluetooth 4
Apple iPhone 5: GSM/EDGE/HSPA+/HSDPA/LTE 4G; 802.11a/b/g/n Wi-Fi, 802.11n on 2.4GHz and 5GHz; Bluetooth 4; GPS
The upload and download of either device will depend on the network carrier and location of the user.
With the iPhone 5 midway through its lifecycle, the Samsung Galaxy S4 is on paper far more powerful.
However, specs aren't always 100 percent accurate meaning it's all but impossible to know which is better till we've had more hands-on time with the Galaxy S4.
Additionally, while the iPhone 5 is one of the S4's biggest current competitors, its real enemy, the next iPhone is yet to appear.
Check back with V3 later for a full review of the Samsung Galaxy S4.
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