Radxa ROCK 5B vs Radxa ROCK 2A

Benchmarks, specifications, and real-world performance data

Specification
Basic Specifications
Price
RAM8GB4GB
SoC
Mali-G610 MP4
Rockchip NPU 3.0 (6 TOPS)
ArchitectureARMARM
CPU Cores
8 cores
4× Cortex-A76 @ 2.4GHz
4× Cortex-A55 @ 1.8GHz
4 cores
4× Cortex-A53 @ 2.0GHz

Legend

Best value in category
Key performance metric
*Manufacturer's RRP
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Detailed Reviews

Read our comprehensive reviews from bret.dk featuring data and benchmarks from sbc.compare:

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Radxa ROCK 5B (8GB)
Radxa ROCK 2A (4GB)

CPU Performance

Processor performance across single and multi-core workloads

Geekbench 6

Higher Scores are Better

Single-Core
Radxa ROCK 5B (8GB)
849
Radxa ROCK 2A (4GB)
167
Multi-Core
Radxa ROCK 5B (8GB)
3,043
Radxa ROCK 2A (4GB)
450

7-Zip Benchmark

Higher Scores are Better

Single-Core Combined
Radxa ROCK 5B (8GB)
3,113 MIPS
Radxa ROCK 2A (4GB)
1,298 MIPS
Multi-Core Combined
Radxa ROCK 5B (8GB)
16,486 MIPS
Radxa ROCK 2A (4GB)
4,404 MIPS

High Performance Linpack

Higher Scores are Better

Performance
Radxa ROCK 5B (8GB)
41.58 GFLOPS
Radxa ROCK 2A (4GB)
9.81 GFLOPS
Performance/Watt
Radxa ROCK 5B (8GB)
2.17 GFLOPS/W
Radxa ROCK 2A (4GB)
2.08 GFLOPS/W

UnixBench

Higher Scores are Better

Single Core
Radxa ROCK 5B (8GB)
1,376
Radxa ROCK 2A (4GB)
312
Multi Core
Radxa ROCK 5B (8GB)
6,340
Radxa ROCK 2A (4GB)
1,087

PassMark CPU

Higher Scores are Better

CPU Score
Radxa ROCK 5B (8GB)
2,911
Radxa ROCK 2A (4GB)
560

CPU Mining (cpuminer-multi)

Higher Hashrates are Better

Single Core
Radxa ROCK 5B (8GB)
3.7 kH/s
Radxa ROCK 2A (4GB)
1.44 kH/s
Multi Core
Radxa ROCK 5B (8GB)
21.76 kH/s
Radxa ROCK 2A (4GB)
5.75 kH/s

Memory Performance

Memory bandwidth and throughput benchmarks

PassMark RAM

Higher Scores are Better

RAM Score
Radxa ROCK 5B (8GB)
1,402
Radxa ROCK 2A (4GB)
570

AI & LLM Performance

Large Language Model inference performance

Ollama LLM Benchmark

Higher Scores are Better

Tokens/sec
Radxa ROCK 5B (8GB)
0.21 tok/s
Radxa ROCK 2A (4GB)
2.96 tok/s
Tokens/Watt
Radxa ROCK 5B (8GB)
0.02 tok/W
Radxa ROCK 2A (4GB)
0.85 tok/W
Tokens/Dollar
Radxa ROCK 5B (8GB)
No Data
Radxa ROCK 2A (4GB)
0.1 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 5B (8GB)
No Data
Radxa ROCK 2A (4GB)
7.8 MB/s
4K Random Write
Radxa ROCK 5B (8GB)
No Data
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 5B (8GB)
2,352 Mbps
Radxa ROCK 2A (4GB)
942 Mbps
Ethernet Down
Radxa ROCK 5B (8GB)
2,358 Mbps
Radxa ROCK 2A (4GB)
941 Mbps

Power & Thermal

Power consumption at idle and under various workloads

Power Consumption

Lower is "Better"

Idle Power
Radxa ROCK 5B (8GB)
4.5W
Radxa ROCK 2A (4GB)
1.5W
Load Power
Radxa ROCK 5B (8GB)
9.5W
Radxa ROCK 2A (4GB)
2.7W
Ollama Max
Radxa ROCK 5B (8GB)
14.7W
Radxa ROCK 2A (4GB)
3.5W
Linpack Max
Radxa ROCK 5B (8GB)
19.2W
Radxa ROCK 2A (4GB)
4.7W

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