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Radxa ROCK 4B+ 4GB

Benchmarks, specifications, and real-world performance data

Geekbench 6

782

multi-core · 315 single-core

Power draw

10.5W load

4.3W idle

Price

$68.00

RRP

Performance Summary

The Radxa ROCK 4B+ is an ARM single board computer built around the Rockchip RK3399 OP1, pairing 6 CPU cores with 4GB of RAM in this configuration. Benchmarked on real hardware, it managed 782 points in Geekbench 6 multi-core (315 single-core) and pushed 6,509 MIPS through 7-Zip compression. It also delivered 14.55 GFLOPS in our Linpack run. Power draw measured 4.3W at idle and 10.5W under load.

Specification
Basic Specifications
Price$68*
RAM4GB
SoC
Mali-T860 MP4
ArchitectureARM
CPU Cores6 cores
* Manufacturer's RRP** Affiliate link; qualifying purchases may earn us a commission
Radxa ROCK 4B+ (4GB)

CPU Performance

Processor performance across single and multi-core workloads

Geekbench 6

Higher Scores are Better

Single-Core
Radxa ROCK 4B+ (4GB)315
Multi-Core
Radxa ROCK 4B+ (4GB)782

7-Zip Benchmark

Higher Scores are Better

Single-Core Combined
Radxa ROCK 4B+ (4GB)1,832 MIPS
Multi-Core Combined
Radxa ROCK 4B+ (4GB)6,509 MIPS

High Performance Linpack

Higher Scores are Better

Performance
Radxa ROCK 4B+ (4GB)14.55 GFLOPS
Performance/Watt
Radxa ROCK 4B+ (4GB)0.92 GFLOPS/W

UnixBench

Higher Scores are Better

Single Core
Radxa ROCK 4B+ (4GB)641
Multi Core
Radxa ROCK 4B+ (4GB)2,101

PassMark CPU

Higher Scores are Better

CPU Score
Radxa ROCK 4B+ (4GB)1,212

CPU Mining (cpuminer-multi)

Higher Hashrates are Better

Single Core
Radxa ROCK 4B+ (4GB)2.5 kH/s
Multi Core
Radxa ROCK 4B+ (4GB)10.7 kH/s

Memory Performance

Memory bandwidth and throughput benchmarks

TinyMemBench

Higher Bandwidth is Better

memcpy
Radxa ROCK 4B+ (4GB)2,434 MB/s
memset
Radxa ROCK 4B+ (4GB)5,599.4 MB/s

PassMark RAM

Higher Scores are Better

RAM Score
Radxa ROCK 4B+ (4GB)733

AI & LLM Performance

Large Language Model inference performance

Ollama LLM Benchmark

Higher Scores are Better

Tokens/sec
Radxa ROCK 4B+ (4GB)4.4 tok/s
Tokens/Watt
Radxa ROCK 4B+ (4GB)0.35 tok/W
Tokens/Dollar
Radxa ROCK 4B+ (4GB)0.06 tok/$

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 4B+ (4GB)11.4 MB/s
4K Random Write
Radxa ROCK 4B+ (4GB)7 MB/s

fio Storage Performance - eMMC

Higher Speeds are Better • Radxa ROCK 4B+ (32GB eMMC)

4K Random Read
Radxa ROCK 4B+ (4GB)46.9 MB/s
4K Random Write
Radxa ROCK 4B+ (4GB)46.5 MB/s

fio Storage Performance - M.2 NVMe

Higher Speeds are Better • Crucial P5 Plus (1024GB M.2 NVMe)

4K Random Read
Radxa ROCK 4B+ (4GB)269.8 MB/s
4K Random Write
Radxa ROCK 4B+ (4GB)186.8 MB/s

Power & Thermal

Power consumption at idle and under various workloads

Power Consumption

Lower is "Better"

Idle Power
Radxa ROCK 4B+ (4GB)4.3W
Load Power
Radxa ROCK 4B+ (4GB)10.5W
Ollama Max
Radxa ROCK 4B+ (4GB)12.2W
Linpack Max
Radxa ROCK 4B+ (4GB)15.7W

Frequently Asked Questions

How fast is the Radxa ROCK 4B+?

In our testing the Radxa ROCK 4B+ scored 782 in Geekbench 6 multi-core and 315 in single-core, with 6,509 MIPS in multi-core 7-Zip compression.

How much power does the Radxa ROCK 4B+ use?

We measured the Radxa ROCK 4B+ drawing 4.3W at idle and 10.5W under sustained CPU load.

How much does the Radxa ROCK 4B+ cost?

The Radxa ROCK 4B+ has a manufacturer's recommended price of $68.00 for the 4GB RAM configuration. Street prices vary by retailer and availability.

See how the Radxa ROCK 4B+ stacks up against another board, side by side.