Qualcomm Snapdragon 835 vs Snapdragon 821: Which is better?

Qualcomm's Snapdragon 835 processor is set to launch with the Samsung Galaxy S8 in April, followed by other flagships later this year. We take a look at whether it is significantly better compared to the Snapdragon 821 or if it deserves a miss.

Here's how Qualcomm's Snapdragon 835 compares with the existing Snapdragon 821 chipset.

In September of last year, Google launched its new Pixel and Pixel XL smartphones featuring a Snapdragon 821 processor, a chip which, like its name suggested, introduced incremental performance improvements over the capable Snapdragon 820 which powered most flagships launched in the first half of 2016.

Here are a few parameters which should let you decide if the Snapdragon 835 is worth waiting for or if the existing Snapdragon 821 chip is capable enough to support your needs.

Samsung Galaxy S8 will be first smartphone with Snapdragon 835

Power efficiency

The new Snapdragon 835 is based on Samsung's 10nm FinFET technology, thanks to which it offers up to 40% lower power consumption compared to 14nm-based chipsets. While this will help save a handy amount of battery life, the chipset is also compatible with Qualcomm's Quick Charge 4.0 technology which helps replenish smartphone batteries in no time. As per Qualcomm, Quick Charge 4.0 is  '20 percent faster, or 30 percent more efficient, while charging up to 5° C cooler' when compared to Quick Charge 3.0 which the Snapdragon 821 chip supports.

Camera support

As of now, the existing Snapdragon 821 chip supports up to 28-MP rear camera resolutions but the new one will increase that to 32-MP. Snapdragon 835 will also support dual rear cameras with resolutions of up to 16-MP each. As such, you may not need the new chip if you are happy with camera resolutions of up to 28-MP but since some manufacturers prefer to add high resolution cameras in their phones, the new chip may turn out to be handy enough by the end of the year.

Qualcomm Snapdragon 820 vs Snapdragon 821: Which is better?

Both chips also feature 14-bit Qualcomm Spectra™ Image Signal Processor (ISP) which offers zero shutter lag in smartphone cameras and lets smartphones run cameras with up to 28-MP in resolution.

Internet speeds

Snapdragon 821 fields a X12 LTE modem that offers download speeds of up to 600 Mbps and upload speeds of up to 150 Mbps. In comparison, the Snapdragon 835 chip features a new X16 LTE modem which supports download speeds up to 10x as fast as first generation 4G LTE devices. The peak download and upload speeds it can support will be 1 Gbps and 150 Mbps respectively.

Considering that no network operator in the world currently offers download speeds in excess of 600Mbps, the Snapdragon 835 offers no practical increments to users when compared to the Snapdragon 821.

Qualcomm Snapdragon 835: Top specs and features

Processing power

The new Snapdragon 835 chip offers the same maximum clock speeds as the Snapdragon 821, but what separates it from the Snapdragon 821 is that it runs four 1.9 GHz cores which are dedicated towards ensuring power efficiency. This ensures that the phone remains cool even when you are pushing it performance-wise. On its part, the Snapdragon 821 supports up to 4K Ultra HD video capture @ 30FPS, a 4K Ultra HD display, up to 4W output power from amplifiers, HD Voice over 3G and VoLTE and Wi-Fi calling with LTE call continuity which makes it quite capable to support all your requirements, unless you're looking for more.

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