The Snapdragon 855 is 7nm. Snapdragon 855 is a mobile processing platform chip released by Qualcomm on December 5, 2018. It uses TSMC's 7nm process. The CPU adopts the eight-core Kryo485 architecture. Compared with the Snapdragon 845 CPU, the performance is improved by about 45%. The GPU uses The latest one is Adreno640, which improves graphics rendering capabilities by about 20% compared with the previous generation product.
The operating environment of this tutorial: MIUI 13 system, Xiaomi 9 mobile phone.
The Snapdragon 855 mobile phone processor is a mobile processing platform chip released by Qualcomm on December 5, 2018. Snapdragon 855 is the world’s first commercial 5G mobile platform.
Snapdragon 855 is a mobile processing platform produced by Qualcomm. It uses TSMC’s 7nm process. The CPU adopts the eight-core Kryo™ 485 architecture. Compared with the Snapdragon 845 CPU, the performance is improved by about 45%. The GPU uses It's Adreno™ 640, which has about 20% more graphics rendering capabilities than the previous generation. It will be officially commercialized in the first quarter of 2019.
Qualcomm’s 2018 baseband processor and Snapdragon 855 chip will use TSMC’s most advanced 7nm process. 7nm refers to the line width of semiconductors. As line width shrinks, more transistors can be integrated per unit area, which can enhance chip performance and further reduce energy consumption.
Parameter information
CPU
Processor core
1 * Kryo™ 485 Gold (2.84GHz) 3 * Kryo™ 485 Gold (2.41GHz) 4 * Kryo™ 485 Silver (1.78GHz)
Processor bits
64-bit
GPU
Processor Core
Qualcomm Adreno™ 640 GPU
2*256 ALU (arithmetic logic unit)
Feature support
Support Vulkan 1.1, OpenGL ES 3.2, OpenCL 2.0 Full, Direct 3D 12.1
Memory
Memory speed: 2133MHz
Memory type: 4x16bit, LPDDR4x
Display output
Maximum device display support: up to 4KHDR
Maximum external display support :Up to two 4K HDR display devices
HDR support: HDR10, 10-bit bit depth, Rec 2020 color gamut
Wireless
Wi- Fi [5]
Wi-Fi standards: 802.11ad, 802.11ay, 802.11ax-ready, 802.11ac Wave 2, 802.11a/b/g, 802.11n
Wi-Fi Bands: 2.4 GHz, 5 GHz, 60 GHz
Peak Speed: 10 Gbps
Qualcomm Wi -Fi 6-ready technical features: 8x8 spatial streaming, 8x8 detection, WPA3 security encryption support, target wake-up time, dual-band synchronization (DBS).
Qualcomm 60 GHz Wi-Fi technical features: line-equivalent delay, always-on Wi-Fi sensing
Bluetooth
Bluetooth version: 5.0
Bluetooth speed: 2Mbps
Data function
Module: Qualcomm Snapdragon :VoLTE with SRVCC to 3G and 2G, HD and Ultra HD Calling (EVS), CSFB to 3G and 2G
Cellular network support: WCDMA (DB-DC-HSDPA, DC-HSUPA ),TD-SCDMA,CDMA 1x,EV-DO,GSM/EDGE
LTE support:LTE FDD,LTE TDD including CBRS support,LAA,LTE Broadcast
LTE Type: Upload/Download LTE Type: LTE Category 20 Upload LTE Type: LTE Category 13 (Upload)
LTE Speed LTE Download Speed Peak: 2 GbpsLTE Upload Peak speed: 316 Mbps
5G5G Chip: Qualcomm Snapdragon 8 carrier 2x2 MIMO (multivariable control system) 5G sub-6 GHz specifications: 100 MHz bandwidth, 4x4 MIMO millimeter wave characteristics: uplink and downlink double-layer polarization, beam forming, beam steering, beam tracking
DSP: Qualcomm®Hexagon™690 processor, Qualcomm®Hexagon™ vector acceleration sensor, Qualcomm®Hexagon™ tensor acceleration sensor, Qualcomm®Hexagon™ voice assistant , Qualcomm All-Ways Aware™ technology.
Supports GPS, GLONASS, Beidou, Galileo, QZSS, SBAS, dual-frequency positioning.
Other informationVideo decoding
H.265(HEVC),H.264(AVC),HDR10, HDR10,HLG,VP8,VP9
Video playback
Support volumetric virtual reality video (VR) playback, 8K 360° virtual reality video Playback
NFC: Support
Support Qualcomm Quick Charge™ 4 charging technology
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