The Samsung S10 is now the world’s most advanced smartphone powered by Qualcomm’s 855 – at least until Huawei challenges with its new Kirin 990 in the coming Mate 30 series.

This is an article about
smartphone technology and how the evolution under the bonnet affects us all. Invariably
today’s flagship processor, in this case, the new Qualcomm Snapdragon 855 features will
flow down to the Snapdragon 7XX, 6XX, 4XX and 2XX series.

855

Note that the Qualcomm Snapdragon 855 is for use in certain international markets. Samsung also uses its Exynos 9820 that has similar performance specifications to the Snapdragon 855 (in all but name!) and powers the S10 series in many markets.

You can read all about the S10 here.

Why the two chips?

Samsung needs to control its silicon, just as Huawei has its
Kirin and Apple its A-series chipsets. If
you want to do something different you need to make sure that the silicon can support
it.

SamMobile published the Exynos 9820 vs Snapdragon 855 specs comparison

Specification Exynos 9820 Snapdragon 855
Process 8nm LPP FinFET 7nm FinFET
CPU Octa-core custom CPU: Dual-core (Custom CPU) + Dual-core
(Cortex-A75) + Quad-core (Cortex-A55)
Octa-core semi-custom Kryo 485 CPU: Single-core (Cortex
A76 @ 2.84GHz) + Tri-core (Cortex-A76 @ 2.42GHz) + Quad-core (Cortex-A55 @
1.8GHz)
GPU ARM Mali-G76 MP12 Adreno 640
Dedicated NPU Yes Yes
Display WQUXGA (3840×2400), 4K UHD (4096×2160) Up to 4K, HDR and 10-bit colour depth
LTE Modem LTE-Advanced Pro Cat.20 8CA 2Gbps (DL) / Cat.20 3CA
316Mbps (UL)
X24 LTE 2 Gbps (DL)/316 Mbps (UL), Optional X50 5G Modem
Storage UFS 3.0, UFS 2.1 UFS 3.0
Memory LPDDR4x LPDDR4x
Camera Rear 22MP, Front 22MP, Dual-camera 16MP+16MP Up to 20 MP dual cameras, up to 48 MP single camera
Video Capture 8K @ 30fps or 4K @ 150fps 4K HDR @ 60fps. Supports shooting in HDR10+, HDR10, HLG
Video Playback 10-bit HEVC(H.265), H.264, VP9 codec 8K 360° VR, HDR10+, HDR10, HLG, Dolby Vision, 10-bit colour depth, H.265, VP9 video decoder

To my trained eye, there
are a few minor differences, but none
that really matter – in real life the new
7nm Snapdragon 855 is marginally ahead of the 8nm Exynos 9820 in performance.

Qualcomm Snapdragon 855 integrates even more into the chip

One of biggest advancements
is the tighter integration of formerly separate components into a single System
on a Chip or SoC. This means smaller
chips (Qualcomm 855 is now a very thin 7nm) that use less power and do not suffer
the loss of speeds by using an external
bus to connect them.

855

The 855 has eight-cores that run up to 2.84GHz each. This scales up or down as needed and gives 45%
more performance over the 845.

It also supports USB-C 3.1, Wi-Fi 6 (AX), Bluetooth 5.0 (2Mbps),
NFC and almost every version of GPS, QZSS, GLONASS, SBAS, Beidou, Galileo, Dual
frequency GNSS.

Wi-Fi 6 gives MU-MIMO and HT160 (aggregation) with supporting
routers for up to 10Gbps speeds.

Adreno 604

20% faster graphics than the previous generation while
continuing to lead the mobile industry in performance per watt. It has full AR
and VR functionality.

It supports 4K, HDR10+ (video capture and screen), 10-bit (1
billion colours) and Rec 2020 colour gamut. That is the best you can get. It
supports OpenCL 2.0 FP, OpenGL ES 3.2, Vulkan 1.1, and DX12 standards.

X55 5G modem

The 855 incorporates its X24 4G LTE modem which means Dual Sim
Voice over LTE (VoLTE), Ultra HD Voice; Cat
20 2Gbps download/Cat 13 316Mbps upload, 7x20MHz carrier band aggregation and
more. It is the fastest 4G can go subject to the Telco’s network implementation.
This is for the S10 series.

855

The Galaxy S10 5G version adds the X55 modem for
multi-gigabit speeds using the sub-6 GHz and mmWave frequency bands. It also
supports 5G non-standalone (NSA) and standalone (SA) modes, and 5G/4G spectrum
sharing.



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