ODROID-N2+ including case and RTC Battery

Fully assembled 

This is a revision from ODROID-N2.
– Maximum CPU clock of Quad-core Cortex-A73 is increased to 2.4Ghz from 1.8Ghz.
– Maximum CPU clock of Dual-core Cortex-A53 is increased to 2.0Ghz from 1.9Ghz.
– On-board RTC backup battery. (battery included)

The main CPU is based on big.Little architecture which integrates a quad-core ARM Cortex-A73 CPU cluster and a dual core Cortex-A53 cluster with a new generation Mali-G52 GPU.

Thanks to the modern 12nm silicon technology, the A73 cores run at 2.2Ghz without thermal throttling using the stock metal-housing heatsink allowing a robust and quiet computer.
The CPU multi-core performance is around 20% faster and the GPU is 10% faster than the N1. The N2+’s DDR4 RAM is running at 1320Mhz with 1.2volt low power consumption.
The large metal housing heatsink is designed to optimize the CPU and RAM heat dissipation and minimize throttling. The CPU is placed on the bottom side of the PCB to establish great thermal characteristics.

More information is on our WiKi.

Board Detail

AS922X CPUJ1 x SPI Flash 8MiB
B4 x DDR4 RAMK1 x SPI Boot Select Switch
C1 x RJ45 Ethernet Port (10/100/1000)L1 x eMMC Module Socket
D1 x HDMI 2.0M1 x Micro SD Slot
E4 x USB 3.0N1 x IR Receiver
F2 x System LED IndicatorsO1 x RTC Backup Battery Holder
G1 x DC Power JackP1 x Active Cooling Fan Connector (2-pin)
H1 x AV Out (Stereo Audio with Composite video)Q40 x GPIO Pins
I1 x Micro USB2.0 OTGR1 x UART for System Console

Optional Active Cooler

  

Heatsink size comparison : The system height decreased from 34mm to 29mm approximately thanks to the slimmer heatsink.

N2 block diagram

 

CPU performance
Dhrystone-2, Double-Precision Whetstone, Sysbench and Memory bandwidth benchmark results show the N2+ system performance comes out ahead of other popular ARM SBCs.

GPU shader performance
The Mali-G52 runs at 800Mhz and is ~10% faster than Mali-T860MP4 in ODROID-N1.
The Mali-G52 is the second Bifrost-based mainstream GPU from Arm.
There are two Shader Processors in the GPU and each core has three Execution Engines. This is sometimes referred to as MP6.
GPU performance was measured with glmark2-es2 “–off-screen” option.

GPU OpenCL performance 

Source : Tested by forum user hominoid
The GPU powered hash computing rate on N2 is over 30% faster than N1.
All three SBC ran Lyra2rev2 simultaneously on a shared network. Each platform’s sgminer was compiled with the latest ARM Compute Library v18.11.

 

Thermal characteristics 
To check the thermal throttling, we ran some heavy CPU and GPU loads together on the SoC and monitored temperature. We ran the test within a chamber that keeps the ambient temperature at 35°C. So we believe the large stock passive heatsink is enough for very heavy computing loads.
cmd : stress-ng –cpu 6 –cpu-method matrixprod && glmark2-es2-fbdev –off-screen –run-forever

But you will meet a throttling phenomenon if you overclock the CPU frequency to 2.4Ghz and there is no cooling fan when your room temperature is higher than 30°C.

 

 

Gbit Ethernet
According to our iperf test result, the throughput performance was near 1Gbps.

USB 3.0 hosts
We measured the USB transfer speed with a UAS capable SSD.
The average ~340MB/s of throughput should be acceptable for many application.
Since four USB host ports share a single root hub, the transfer rate must be lower if you use multiple USB devices at the same time.

eMMC storage performance
Sequential read and write speed is over 150MB/s and 125MB/s respectively.
4K random access performance is reasonably fast too. iozone test result are as follows.

Micro-SD UHS performance
Using properly implemented UHS dynamic voltage scaling, the sequential read and write speed is over 70MB/s and 55MB/s respectively.

The previous S905 SoC couldn’t activate the UHS mode once the system boots from eMMC. But S922X can keep using the UHS mode with the eMMC module simultaneously.

 

Sound DAC
ODROID-N2 has an on-board high quality 384Khz/32bit stereo audio line output.
Dynamic range and SNR is near 100dB and Total-Harmonic-Distortion is lower than 0.006%. You can enjoy Hi-Fi sound quality without an external expensive audio DAC.

Signal to Noise Ratio : 1KHz (384KHz, 32bit, 2-ch)

THD + N Ratio : 1KHz (384KHz, 32bit, 2-ch)

Frequency Response : 20Hz – 20KHz(384KHz, 32bit, 2-ch)

 

SPI Flash memory boot
ODROID-N2 can boot from on-board SPI memory instead of uSD memory or eMMC cards.
The on-board SPI memory is 8MB in size and can include the bootstrap binaries, U-boot, bare minimum Linux kernel, and a ramdisk that includes “Petitboot”. The “Petitboot” software provides a user friendly interface and allows users to select a boot media.

RTC
ODROID-N2 has an on-board RTC component, NXP PCF8563, interfaced to the I2C bus and can use a backup battery as an alternative power source while the main power source is absent. Since the actually measured power consumption is less than 1uA, the RTC can run for over 10 years with a CR2032 backup battery. Also, this will let your ODROID-N2 wake up at a certain time once you set an alarm time and shutdown it.
– Installing RTC backup battery : https://wiki.odroid.com/odroid-n2/getting_started/equip_an_rtc_battery

Crypto Engine
The ARMv8 architecture supports hardware accelerated crypto extensions for building a secure system. As expected, we could see very decent openSSL performance with ODROID-N2.
cmd: openssl speed sha256 (8KByte)

GPIO (40Pin header)

The N2 GPIO interface is similar to C2 and fully supports a 3.3Volt interface while N1 could only support 2.8Volt IO. This is beneficial for using various peripherals without complicated level shifters.
Another big improvement is a faster SPI bus interface. Its maximum frequency is over 150Mhz, and we will try to implement a DMA driven SPI driver for faster LCD display.

Motherboard Specification
Audio 1x Stereo Line Out (3.5mm Jack) / 1 x HDMI digital output / 1x Optional SPDIF optical output
Video Output 1x HDMI 2.1 (up to 4k 60Hz with HDR, CEC, EDID
Processor Amlogic S922X Processor (12nm) / Quad-Core ARM Cortex-A73 CPU cluster + Dual Core Cortex-A53 cluster
RAM Memory DDR4 4GB or 2GB Versions available with 32GB Bus Width / 2640MT/s (PC4-21333 grade)
Graphics Mali-G52 GPU with 6x Execution Engines (846 MHz)
Storage 1x eMMC Module Connector (8GB / 16GB / 32GB / 64GB / 128GB cards available) / 1x microSD slot (DS / HS modes up to UHS-1)
I/O Connectors (ODROID) 4x USB 3.0 Host ports / 1x USB 2.0 OTG port / 1x Debug serial console
Network 1x GbE LAN ports (RJ45, supports 10/100/1000 Mbps) (Realtek RTL 8211F)
Common Parameters
Power 1x DC Jack 5.5mm x 2.1mm - DC 12V 2A included.

Odroid N2+ - 4GB RAM with Case [77301]

  • Brand: Hard Kernel
  • Product Code: Odroid N2+ 4GB RAM WITH CASE
  • Availability: In Stock
  • 109.20€

  • Ex Tax: 91.00€

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