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A Comparison Between Snapdragon 835 and Snapdragon 821 Proccessors

A Comparison Between Snapdragon 835 and Snapdragon 821 Proccessors

Jomst C.

Qualcomm has officially released details on the newest Snapdragon 835 during their Keynote at CES. The Snapdragon 835 offers improvements overall, and the company has included a lot of new features, including Bluetooth 5, 802.11ad Wi-Fi, gigabit LTE and more.

The older version, the 14nm Snapdragon 820/821 was not bad, but the change to the 10nm node has given the company a capability to register huge gains in performance and energy efficiency. The Snapdragon 835 is almost 27 percent faster and consumes less power by 40 percent. The overall size of it is 30 percent smaller compared to its older versions.

Aside from the difference in the node from 14nm to 10nm, listed below are the key areas where the SoC has improved from the last year's SoC.

Category

Snapdragon 835

Snapdragon 821

Node

10nm FinFET (LPE)

14nm FinFET (LPP)

CPU

Four 2.45GHz Kryo 280 cores
Four 1.9GHz Kryo 280 cores

Two 2.35GHz Kryo cores
Two 1.6GHz Kryo cores

GPU

Adreno 540
(OpenGL ES 3.2, OpenCL 2.0, Vulkan 1.0, DirectX 12)

Adreno 530
(OpenGL ES 3.1, OpenCL 2.0, Vulkan 1.0, DirectX 11.2)

Memory

Dual-channel LPDDR4X
1866MHz
29.8GB/s

Dual-channel LPDDR4
1866MHz
29.8GB/s

Storage

eMMC 5.1
UFS 2.1

eMMC 5.1
UFS 2.0

Camera

Dual ISP up to 32MP
16MP dual camera

Dual ISP up to 28MP

Modem

X16 gigabit LTE
Download up to 1000Mbit/sec
Upload up to 150Mbit/sec

X12 LTE
Download up to 600Mbit/sec
Upload up to 150Mbit/sec

Bluetooth

Bluetooth 5

Bluetooth 4.2

Wi-Fi

802.11ad multi-gigabit Wi-Fi

802.11ac gigabit Wi-Fi

Charging

Quick Charge 4.0

Quick Charge 3.0

We will still have to wait until the new Snapdragon 835 gets used in devices, which is expected to happen in the later part of this quarter before we can have a detailed review and compare it to the older Snapdragon 820/821. Although, based on the node shrink and the hardware, it will take another year for the company in the premium mobile SoC bracket, presumably.

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