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Radxa ROCK 2A

Radxa ROCK 2A

Tested by Bret Weber Last updated

Geekbench 6

450

multi-core · 167 single-core

Power draw

2.7W load

1.5W idle

Price

$30.00

Performance Summary

At the heart of the Radxa ROCK 2A sits the Rockchip RK3528A, giving this ARM board 4 CPU cores alongside 4GB of memory. In our hands-on testing it scored 450 multi-core and 167 single-core in Geekbench 6, plus 4,404 MIPS in multi-core 7-Zip compression. Raw floating point throughput came in at 9.81 GFLOPS in Linpack. We measured 1.5W idle and 2.7W loaded power consumption.

Specification
Basic Specifications
Price
RAM4GB
SoC
ArchitectureARM
CPU Cores
4 cores
4× Cortex-A53 @ 2.0GHz
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Price History

$30.00 at Allnet China, unchanged since 12 September 2026. Checked daily.

Out of stock at that pricePrices are before tax and shipping.

Every figure above comes from hardware run in-house by Bret Weber, on the exact OS build, kernel, firmware and boot device listed here. Boards are tested to a fixed procedure so results stay comparable between them: see our testing methodology for how each benchmark is run.

Radxa ROCK 2A (4GB)

CPU Performance

Processor performance across single and multi-core workloads

Geekbench 6

Higher Scores are Better

Radxa ROCK 2A (4GB)167 #59 of 72
Radxa ROCK 2A (4GB)450 #62 of 72

7-Zip Benchmark

Higher Scores are Better

Radxa ROCK 2A (4GB)1,298 MIPS #68 of 118
Radxa ROCK 2A (4GB)4,404 MIPS #71 of 113

High Performance Linpack

Higher Scores are Better

Radxa ROCK 2A (4GB)9.81 GFLOPS #61 of 80
Radxa ROCK 2A (4GB)2.08 GFLOPS/W #45 of 74

UnixBench

Higher Scores are Better

Radxa ROCK 2A (4GB)312 #82 of 118
Radxa ROCK 2A (4GB)1,087 #82 of 109

PassMark CPU

Higher Scores are Better

Radxa ROCK 2A (4GB)560 #64 of 96

CPU Mining (cpuminer-multi)

Higher Hashrates are Better

Radxa ROCK 2A (4GB)1.44 kH/s #71 of 108
Radxa ROCK 2A (4GB)5.75 kH/s #70 of 104

Memory Performance

Memory bandwidth and throughput benchmarks

PassMark RAM

Higher Scores are Better

Radxa ROCK 2A (4GB)570 #58 of 87

AI & LLM Performance

Large Language Model inference performance

Ollama LLM Benchmark

Higher Scores are Better

Radxa ROCK 2A (4GB)2.96 tok/s #44 of 66
Radxa ROCK 2A (4GB)0.85 tok/W #24 of 64
Radxa ROCK 2A (4GB)0.1 tok/$ #7 of 59

Storage Performance

Disk I/O throughput measured with FIO

fio Storage Performance - microSD

Higher Speeds are Better • Raspberry Pi 64GB (64GB microSD)

4K Random Read
Radxa ROCK 2A (4GB)7.8 MB/s
4K Random Write
Radxa ROCK 2A (4GB)10.8 MB/s

Network Performance

Ethernet and WiFi throughput measured with iPerf3

iPerf3 Network Performance

Higher Speeds are Better

Ethernet Up
Radxa ROCK 2A (4GB)942 Mbps
Ethernet Down
Radxa ROCK 2A (4GB)941 Mbps

Power & Thermal

Power consumption at idle and under various workloads

Power Consumption

Lower is "Better"

Radxa ROCK 2A (4GB)1.5W #21 of 74
Radxa ROCK 2A (4GB)2.7W #27 of 105
Radxa ROCK 2A (4GB)3.5W #6 of 64
Radxa ROCK 2A (4GB)4.7W #11 of 75

Frequently Asked Questions

How fast is the Radxa ROCK 2A?

In our testing the Radxa ROCK 2A scored 450 in Geekbench 6 multi-core and 167 in single-core, with 4,404 MIPS in multi-core 7-Zip compression.

How much power does the Radxa ROCK 2A use?

We measured the Radxa ROCK 2A drawing 1.5W at idle and 2.7W under sustained CPU load.

How much does the Radxa ROCK 2A cost?

The Radxa ROCK 2A sells for $30 at the official store (Allnet China) as of 25 October 2026 for the 4GB RAM configuration, although it was out of stock at the last check. The price has not changed since we began tracking it on 12 September 2026. Prices are in USD before tax and shipping.

See how the Radxa ROCK 2A stacks up against another board, side by side.