rk3566与rk3568安卓主板有什么区别？
首先RK3566与RK3568都有NPU算力，rk3566的算力为0.8Tops，RK3568的算力为1Tops，可以做为轻量的AI算力项目开发与实践.
在跑分方面：安安兔的跑分，rk3566分值为61026，rk3568跑分为115027，在Geekbench4跑分方面：3568多核跑分为：2375，单核跑分为：875分，3566多核跑分为1997分，单核跑分为：756分。
RK3566和RK3568参数差异在于3个方面：
1、外部存储接口：RK3568 支持ECC 而 RK3566 没有ECC的支持
2、PCI-E方面：RK3568 支持到 PCI-E 3.0 而 RK3566 只支持到 PCI-E 2.1
3、以太网接口方面：RK3568 是双千兆网口而 RK3566 是单千兆网口。
基于RK3566的安卓主板DC_A566技术参数：
1、系统支持：DC_A566支持Android 11/Linux系统。
2、应用领域：机顶盒，电视盒子，人工智能物联网，人脸识别，强大的NPU，支持丰富的AI应用。
3、显示输出：LVDS、HDMI、EDP，双屏同显，最高支持8K视频解码。
4、板载接口：USB、TTL(RS232、RS485可选配)、GPIO、 I2C等外设接口的扩展。
5、PCB工艺：6层，沉金。
基于RK3568的安卓主板DC_RK3568_A技术参数：
1、主频：定昌智通利DC_RK3568_A采用瑞芯微RK3568主控，主频达2.0GHz，22nm工艺，低功耗高性能。
2、网络支持：支持 2.4GHz/5GHz 双频 WiFi，4G，百兆以太网。
3、应用场景：智能网关，盒子，云终端，智慧安防，学生教育平板电脑，4K高清广告机主板。
4、主板做工：黑色沉金6层PCB。
5、系统支持：安卓，linux,ubuntu,鸿蒙。
6、接口：HDMI2.0*1，LVDS*1,MIPI DSI*1,双模WIFI，MINI PCIE*1,4G，USB*3，4路串口，5个GPIO。
以下是rk3566与rk3568更为详细的技术参数差异表：
| Processor | Rockchip RK3568 | Rockchip RK3566 | ||||||
| Market (main) | Single-board computer | Single-board computer | ||||||
| ISA | ARMv8.2-A (64-bit) | ARMv8.2-A (64-bit) | ||||||
| Microarchitecture | Cortex-A55 | Cortex-A55 | ||||||
| Family | RK3500 | RK3500 | ||||||
| Part number(s), S-Spec | RK3568 | RK3566 | ||||||
| Release date | Q2 2020 | Q2 2020 | ||||||
| Lithography | 22 nm | 22 nm | ||||||
| Cores | 4 | 4 | ||||||
| Threads | 4 | 4 | ||||||
| Base frequency | 2.0 GHz | 1.8 GHz | ||||||
| Turbo frequency | - | - | ||||||
| High performance cores | 4x ARM Cortex-A55 @ 2.0 GHz | 4x ARM Cortex-A55 @ 1.8 GHz | ||||||
| Cache memory | 256 KB | 256 KB | ||||||
| Max memory capacity | 8 GB | 4 GB | ||||||
| Memory types | LPDDR4-1600 | DDR3, DDR3L, LPDDR3, DDR4, LPDDR4X | ||||||
| Max PCIe lanes | 1 | 1 | ||||||
| TDP | 5 W | 5 W | ||||||
| GPU integrated graphics | ARM Mali-G52 2EE MC2 | ARM Mali-G52 MP2 | ||||||
| GPU execution units | 2 | 2 | ||||||
| GPU shading units | 32 | 32 | ||||||
| GPU base clock | - | 850 MHz | ||||||
| GPU boost clock | 820 MHz | 950 MHz | ||||||
| GPU FP32 floating point | 54.4 GFLOPS | 54.4 GFLOPS | ||||||
| Socket | SoC | SoC | ||||||
| Drystone MIPS | 22,736 DMIPS | 20,462 DMIPS | ||||||
| AI accelerator | AI accelerator RKNN NPU | - | ||||||
| AI computing operations per seconds | 0.8 TOPS | - | ||||||
| Crypto engine | Cipher Engine, SHA-1, SHA-256/224, SHA-512/384, MD5, AES-128, AES-192, AES-256, DES, TDES, TRNG | - | ||||||
| Max display resolution | 4K@60fps | - | ||||||
| Video decoding | H.265/H.264/VP9 4K@60fps | - | ||||||
| Video encoding | H.265/H.264 1080p@60fps | - | ||||||
| Max video capture | MIPI-CSI | - | ||||||
| Modem | Gigabit Ethernet | - | ||||||
| Connectivity | SATA 3.0, eMMC, HDMI 2.0, USB 3.0, USB 2.0 | - | ||||||
| Wi-Fi | WiFi 6 (802.11ax) | - | ||||||
| Bluetooth | Bluetooth 5.0 | - | ||||||
| Audio | SPDIF, PWM, SPI, I2S, I2C | - | ||||||
| (Android 64-bit) Geekbench 4 single core | 875 | 756 | ||||||
| (Android 64-bit) Geekbench 4 multi-core | 2,375 | 1,997 | ||||||
| (Android) Geekbench 5 single core | 161 | 108 | ||||||
| (Android) Geekbench 5 multi-core | 492 | 281 | ||||||
| (SGEMM) GFLOPS performance | 21.2 GFLOPS | 18.2 GFLOPS | ||||||
| (Multi-core / watt performance) Performance / watt ratio | 475 pts / W | 399 pts / W |