Radxa ROCK 3B 2GB
Benchmarks, specifications, and real-world performance data
Power draw
6.0W load
3.4W idle
Price
$51.00
RRP
Performance Summary
At the heart of the Radxa ROCK 3B sits the Rockchip RK3568, giving this ARM board 4 CPU cores alongside 2GB of memory. In our testing it reached 4,683 MIPS in multi-core 7-Zip compression. Raw floating point throughput came in at 8.07 GFLOPS in Linpack. It sips 3.4W when idle, rising to 6.0W under full load.
| Specification | |
|---|---|
| Basic Specifications | |
| Price | $51* |
| RAM | 2GB |
| SoC | |
| Architecture | ARM |
| CPU Cores | 4 cores 4× Cortex-A55 @ 2.0GHz |
CPU Performance
Processor performance across single and multi-core workloads
7-Zip Benchmark
Higher Scores are Better
High Performance Linpack
Higher Scores are Better
UnixBench
Higher Scores are Better
PassMark CPU
Higher Scores are Better
CPU Mining (cpuminer-multi)
Higher Hashrates are Better
Memory Performance
Memory bandwidth and throughput benchmarks
TinyMemBench
Higher Bandwidth is Better
PassMark RAM
Higher Scores are Better
Storage Performance
Disk I/O throughput measured with FIO
fio Storage Performance - microSD
Higher Speeds are Better • Raspberry Pi 64GB (64GB microSD)
fio Storage Performance - eMMC
Higher Speeds are Better • Radxa eMMC (32GB eMMC)
fio Storage Performance - M.2 NVMe
Higher Speeds are Better • Crucial P5 Plus (1024GB M.2 NVMe)
Network Performance
Ethernet and WiFi throughput measured with iPerf3
iPerf3 Network Performance
Higher Speeds are Better
Power & Thermal
Power consumption at idle and under various workloads
Power Consumption
Lower is "Better"
Frequently Asked Questions
How much power does the Radxa ROCK 3B use?
We measured the Radxa ROCK 3B drawing 3.4W at idle and 6.0W under sustained CPU load.
How much does the Radxa ROCK 3B cost?
The Radxa ROCK 3B has a manufacturer's recommended price of $51.00 for the 2GB RAM configuration. Street prices vary by retailer and availability.
See how the Radxa ROCK 3B stacks up against another board, side by side.