Radxa ROCK 4B+

Benchmarks, specifications, and real-world performance data

Tested by Bret Weber Last updated 13 October 2026

$175.99Official product page

Geekbench 6

782

multi-core · 315 single-core

Power draw

10.5W load

4.3W idle

Price

$175.99

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	Radxa ROCK 4B+ 4GB RAM
Basic Specifications
Price	$175.99
RAM	4GB
SoC	Rockchip RK3399 OP1 Mali-T860 MP4
Architecture	ARM
CPU Cores	6 cores 2× Cortex-A72 @ 2.0GHz 4× Cortex-A53 @ 1.5GHz

Connectivity
USB Ports	4× USB ports 2× USB-A 2.0, 2× USB-A 3.0
Display Ports	1× HDMI 2.0
Ethernet	1.0Gbps (PoE via HAT)
WiFi	802.11bgnac
Bluetooth	5.0, BLE
Storage & Expansion
SATA Ports	None
M.2 Slots	M-key NVMe PCIe 2.1 x4 (2280)
PCIe Support	N/A
Power & I/O
Power Requirements	5.1V
Power Inputs	GPIO, PoE+ HAT, USB-C
GPIO	N/A
Features
Real-Time Clock	No
Power Button	No
Fan Header	No
Mainline Linux	No
Armbian Support	Community

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Price History

$175.99 at Allnet China, up from $169.99 on 13 October 2026. Checked daily since 2 October 2026 (24 days). Low $169.99, high $175.99 in this window.

Official store · Allnet China$175.99 In stock

Recent price changes

13 October 2026Official store · Allnet China: $169.99 → $175.99, price rise

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

Environment	Radxa ROCK 4B+ 4GB RAM
Last Tested	20 March 2026
System Configuration
OS Version	Armbian-unofficial 26.05.0-trunk trixie
Kernel Version	6.18.19-current-rockchip64
CPU Governor	performance
Hardware Setup
Boot Device	Raspberry Pi 64GB (microSD)

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 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 #45 of 72

315 #45 of 72

Multi-Core

Radxa ROCK 4B+ (4GB)782 #49 of 72

782 #49 of 72

7-Zip Benchmark

Higher Scores are Better

Single-Core Combined

Radxa ROCK 4B+ (4GB)1,832 MIPS #43 of 118

1,832 MIPS #43 of 118

Multi-Core Combined

Radxa ROCK 4B+ (4GB)6,509 MIPS #51 of 113

6,509 MIPS #51 of 113

High Performance Linpack

Higher Scores are Better

Performance

Radxa ROCK 4B+ (4GB)14.55 GFLOPS #49 of 80

14.55 GFLOPS #49 of 80

Performance/Watt

Radxa ROCK 4B+ (4GB)0.92 GFLOPS/W #68 of 74

0.92 GFLOPS/W #68 of 74

UnixBench

Higher Scores are Better

Single Core

Radxa ROCK 4B+ (4GB)641 #42 of 118

641 #42 of 118

Multi Core

Radxa ROCK 4B+ (4GB)2,101 #50 of 109

2,101 #50 of 109

PassMark CPU

Higher Scores are Better

CPU Score

Radxa ROCK 4B+ (4GB)1,212 #47 of 96

1,212 #47 of 96

CPU Mining (cpuminer-multi)

Higher Hashrates are Better

Fastest Thread

Radxa ROCK 4B+ (4GB)2.5 kH/s #42 of 108

2.5 kH/s #42 of 108

Total

Radxa ROCK 4B+ (4GB)10.7 kH/s #49 of 104

10.7 kH/s #49 of 104

Memory Performance

Memory bandwidth and throughput benchmarks

TinyMemBench

Higher Bandwidth is Better

memcpy

Radxa ROCK 4B+ (4GB)2,434 MB/s #35 of 65

2,434 MB/s #35 of 65

memset

Radxa ROCK 4B+ (4GB)5,599.4 MB/s #42 of 65

5,599.4 MB/s #42 of 65

PassMark RAM

Higher Scores are Better

RAM Score

Radxa ROCK 4B+ (4GB)733 #49 of 87

733 #49 of 87

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 #37 of 66

4.4 tok/s #37 of 66

Tokens/Watt

Radxa ROCK 4B+ (4GB)0.35 tok/W #54 of 64

0.35 tok/W #54 of 64

Tokens/Dollar

Radxa ROCK 4B+ (4GB)0.03 tok/$ #41 of 59

0.03 tok/$ #41 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 4B+ (4GB)11.4 MB/s

11.4 MB/s

4K Random Write

Radxa ROCK 4B+ (4GB)7 MB/s

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

46.9 MB/s

4K Random Write

Radxa ROCK 4B+ (4GB)46.5 MB/s

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

269.8 MB/s

4K Random Write

Radxa ROCK 4B+ (4GB)186.8 MB/s

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 #62 of 74

4.3W #62 of 74

Load Power

Radxa ROCK 4B+ (4GB)10.5W #95 of 105

10.5W #95 of 105

Ollama Max

Radxa ROCK 4B+ (4GB)12.2W #50 of 64

12.2W #50 of 64

Linpack Max

Radxa ROCK 4B+ (4GB)15.7W #54 of 75

15.7W #54 of 75

Benchmark	Radxa ROCK 4B+ 4GB RAM

Geekbench 6 Single-Core	315
Geekbench 6 Multi-Core	782
7-Zip Single-Core Combined	1832 MIPS
7-Zip Multi-Core Combined	6509 MIPS
7-Zip Single-Core Compression	1556 MIPS
7-Zip Multi-Core Compression	4638 MIPS
7-Zip Single-Core Decompression	2109 MIPS
7-Zip Multi-Core Decompression	8381 MIPS
Linpack Performance	14.547 GFLOPS
Linpack Performance/Watt	0.915 GFLOPS/W
UnixBench Single Core	641
UnixBench Multi Core	2101
PassMark CPU Score	1212
CPU Mining Single Core	2.5 kH/s
CPU Mining Multi Core	10.7 kH/s

TinyMemBench memcpy	2434 MB/s
TinyMemBench memset	5599.4 MB/s
PassMark RAM Score	733

deepseek-r1:1.5b
Tokens per Second	4.4 tok/s
Tokens per Watt	0.35 tok/W
Tokens per Dollar	0.03 tok/$
Max Power	12.44W

Raspberry Pi 64GB (64GB)
Sequential Read 4K	10.7 MB/s (2759 IOPS)
Sequential Read 64K	19.6 MB/s (313 IOPS)
Sequential Read 1M	23.6 MB/s (23 IOPS)
Sequential Write 4K	5.5 MB/s (1409 IOPS)
Sequential Write 64K	11.8 MB/s (189 IOPS)
Sequential Write 1M	22.2 MB/s (21 IOPS)
Random Read 4K	11.4 MB/s (2936 IOPS)
Random Read 64K	18.7 MB/s (299 IOPS)
Random Read 1M	23.7 MB/s (23 IOPS)
Random Write 4K	7.0 MB/s (1792 IOPS)
Random Write 64K	18.3 MB/s (292 IOPS)
Random Write 1M	23.1 MB/s (22 IOPS)

Radxa ROCK 4B+ (32GB)
Sequential Read 4K	67.4 MB/s (17258 IOPS)
Sequential Read 64K	28.5 MB/s (456 IOPS)
Sequential Read 1M	170.2 MB/s (169 IOPS)
Sequential Write 4K	56.5 MB/s (14486 IOPS)
Sequential Write 64K	116.0 MB/s (1855 IOPS)
Sequential Write 1M	135.1 MB/s (134 IOPS)
Random Read 4K	46.9 MB/s (12021 IOPS)
Random Read 64K	171.0 MB/s (2736 IOPS)
Random Read 1M	171.8 MB/s (171 IOPS)
Random Write 4K	46.5 MB/s (11910 IOPS)
Random Write 64K	116.0 MB/s (1856 IOPS)
Random Write 1M	135.1 MB/s (134 IOPS)

Crucial P5 Plus (1024GB)
Sequential Read 4K	279.1 MB/s (71449 IOPS)
Sequential Read 64K	822.9 MB/s (13166 IOPS)
Sequential Read 1M	823.8 MB/s (823 IOPS)
Sequential Write 4K	191.7 MB/s (49095 IOPS)
Sequential Write 64K	838.2 MB/s (13410 IOPS)
Sequential Write 1M	838.5 MB/s (837 IOPS)
Random Read 4K	269.8 MB/s (69093 IOPS)
Random Read 64K	822.7 MB/s (13164 IOPS)
Random Read 1M	823.8 MB/s (823 IOPS)
Random Write 4K	186.8 MB/s (47834 IOPS)
Random Write 64K	838.0 MB/s (13407 IOPS)
Random Write 1M	838.2 MB/s (837 IOPS)

Idle Power	4.3W
Load Power	10.5W
Ollama Max Power	12.2W
Linpack Max Power	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+ sells for $175.99 at the official store (Allnet China) as of 25 October 2026 for the 4GB RAM configuration. Since we began tracking it on 2 October 2026 the price has ranged from $169.99 to $175.99. Prices are in USD before tax and shipping.

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

Radxa ROCK 4B+

Performance Summary

Price History

Recent price changes

Test Environment

CPU Performance

Geekbench 6

7-Zip Benchmark

High Performance Linpack

UnixBench

PassMark CPU

CPU Mining (cpuminer-multi)

Memory Performance

TinyMemBench

PassMark RAM

AI & LLM Performance

Ollama LLM Benchmark

Storage Performance

fio Storage Performance - microSD

fio Storage Performance - eMMC

fio Storage Performance - M.2 NVMe

Power & Thermal

Power Consumption

Benchmark Data

Frequently Asked Questions

How fast is the Radxa ROCK 4B+?

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

How much does the Radxa ROCK 4B+ cost?

Radxa ROCK 4B+

Performance Summary

Price History

Recent price changes

Test Environment

CPU Performance

Geekbench 6

7-Zip Benchmark

High Performance Linpack

UnixBench

PassMark CPU

CPU Mining (cpuminer-multi)

Memory Performance

TinyMemBench

PassMark RAM

AI & LLM Performance

Ollama LLM Benchmark

Storage Performance

fio Storage Performance - microSD

fio Storage Performance - eMMC

fio Storage Performance - M.2 NVMe

Power & Thermal

Power Consumption

Benchmark Data

Frequently Asked Questions

How fast is the Radxa ROCK 4B+?

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

How much does the Radxa ROCK 4B+ cost?

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