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Snapdragon 855 - Qualcomm
< qualcomm
Revision as of 18:05, 7 December 2018 by David (talk | contribs)

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Snapdragon 855
sd 855 (front).png
General Info
DesignerQualcomm,
ARM Holdings
ManufacturerTSMC
MarketMobile
IntroductionDecember 4, 2018 (announced)
Q1, 2019 (launched)
General Specs
FamilySnapdragon 800
Series800
Microarchitecture
ISAARMv8 (ARM)
MicroarchitectureCortex-A76, Cortex-A55
Core NameKryo 485 Gold, Kryo 485 Silver
Process7 nm
TechnologyCMOS
Word Size64 bit
Cores8
Threads8
Max Memory16 GiB
Multiprocessing
Max SMP1-Way (Uniprocessor)
Packaging
sd 855 (back).png
Succession
Block Diagram

Snapdragon 855 is a high-performance 64-bit ARM LTE system on a chip designed by Qualcomm and introduced in late 2018. Fabricated on TSMC's 7nm process, the 855 features four Kryo 485 Silver high-efficiency cores operating at 1.8 GHz along with three high-performance Kryo 485 Gold operating at 2.42 GHz and another higher-performance Kryo 485 Gold core operating at 2.84 GHz. The Snapdragon 855 integrates the Adreno 640 GPU operation at ? MHz and features an X24 LTE modem supporting Cat 20 uplink and Cat 20 downlink. This chip supports up to ? GiB of quad-channel LPDDR4X-4266 memory.

Memory controller

[Edit/Modify Memory Info]

ram icons.svg
Integrated Memory Controller
Max TypeLPDDR4X-4266
Supports ECCNo
Max Mem16 GiB
Frequency2133 MHz
Controllers1
Channels8
Width16 bit
Max Bandwidth31.79 GiB/s
32,552.96 MiB/s
34.134 GB/s
34,134.253 MB/s
0.031 TiB/s
0.0341 TB/s
Bandwidth
Single 7.95 GiB/s
Double 15.89 GiB/s
Quad 31.79 GiB/s

DSP

This chip features Qualcomm's Hexagon 685 DSP.

Graphics

[Edit/Modify IGP Info]

screen icon.svg
Integrated Graphics Information
GPUAdreno 640 GPU
DesignerQualcomm
Max Displays2
Frequency? MHz
"? MHz" is not a number.

Standards
DirectX12
OpenCL2.0
OpenGL ES3.2
Vulkan1.1
  • Codec: H.265 (HEVC), H.264 (AVC), HDR10, HDR10+, HLG, VP8, VP9
  • HDR Playback Codec support for HDR10+, HDR10, HLG and Dolby Vision
  • Volumetric VR video playback
  • 8K 360 VR video playback

Camera

  • ISP
    • Qualcomm Spectra 380 image signal processor
      • Dual 14-bit CV-ISPs
      • Hardware accelerator for computer vision (CV-ISP)
    • Up to 20 MP dual camera
    • Up to 32 MP single camera
  • Photo Capture: HEIF photo capture
  • Video Capture:
    • Rec. 2020 color gamut video capture
    • Up to 10-bit color depth video capture
    • Slow motion video capture up to 720p at 480fps,HEVC Video Capture

Connectivity

  • X24 LTE modem
    • LTE Category 20
    • Downlink:
      • 2 Gbps peak
      • 7x20 MHz carrier aggregation
      • Up to 256-QAM
      • Up to 4x4 MIMO on five carriers
      • Full-Dimension MIMO (FD-MIMO)
      • Maximum 20 spatial streams
    • Uplink:
      • 316 Mbps peak
      • 3x20 MHz carrier aggregation
      • Up to 2x 106Mbps LTE streams
      • Up to 256-QAM
      • Uplink data compression
  • LTE FDD, LTE TDD including CBRS support, LAA, LTE Broadcast, WCDMA (DB-DC-HSDPA, DC-HSUPA), TD-SCDMA, CDMA 1x, EV-DO, GSM/EDGE
  • WiFi
    • Standards: 802.11ad, 802.11ac Wave 2, 802.11a/b/g, 802.11n
    • Spectral Bands: 2.4 GHz, 5 GHz, 60 GHz
  • Bluetooth
    • Bluetooth 5.0
    • 2 Mbps

Location

  • Systems: GPS, GLONASS, Beidou, Galileo, QZSS, SBAS, Dual frequency GNSS

Documents

back imageFile:sd 855 (back).png +
core count8 +
core nameKryo 485 Gold + and Kryo 485 Silver +
designerQualcomm + and ARM Holdings +
dspHexagon 690 DSP +
familySnapdragon 800 +
first announcedDecember 4, 2018 +
first launchedJanuary 2019 +
full page namequalcomm/snapdragon 800/855 +
has ecc memory supportfalse +
instance ofmicroprocessor +
integrated gpuAdreno 640 GPU +
integrated gpu designerQualcomm +
isaARMv8 +
isa familyARM +
ldateJanuary 2019 +
main imageFile:sd 855 (front).png +
manufacturerTSMC +
market segmentMobile +
max cpu count1 +
max memory16,384 MiB (16,777,216 KiB, 17,179,869,184 B, 16 GiB, 0.0156 TiB) +
max memory bandwidth31.79 GiB/s (32,552.96 MiB/s, 34.134 GB/s, 34,134.253 MB/s, 0.031 TiB/s, 0.0341 TB/s) +
max memory channels8 +
microarchitectureCortex-A76 + and Cortex-A55 +
nameSnapdragon 855 +
process7 nm (0.007 μm, 7.0e-6 mm) +
series800 +
smp max ways1 +
supported memory typeLPDDR4X-4266 +
technologyCMOS +
thread count8 +
word size64 bit (8 octets, 16 nibbles) +