Raspberry Pi 5 vs Radxa CM3I

Benchmarks, specifications, and real-world performance data

Specification
Basic Specifications
Price$65*
RAM8GB2GB
SoC
VideoCore VII
Mali-G52 2EE
ArchitectureARMARM
CPU Cores
4 cores
4× Cortex-A76 @ 2.4GHz
4 cores
4× Cortex-A55 @ 2.0GHz

Legend

Best value in category
Key performance metric
*Manufacturer's RRP
**Affiliate link that may result in commissions if you purchase a qualifying item
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Detailed Reviews

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

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Raspberry Pi 5 (8GB)
Radxa CM3I (2GB)

CPU Performance

Processor performance across single and multi-core workloads

Geekbench 6

Higher Scores are Better

Single-Core
Raspberry Pi 5 (8GB)
902
Radxa CM3I (2GB)
No Data
Multi-Core
Raspberry Pi 5 (8GB)
2,188
Radxa CM3I (2GB)
No Data

7-Zip Benchmark

Higher Scores are Better

Single-Core Combined
Raspberry Pi 5 (8GB)
3,334 MIPS
Radxa CM3I (2GB)
1,425 MIPS
Multi-Core Combined
Raspberry Pi 5 (8GB)
12,000 MIPS
Radxa CM3I (2GB)
4,923 MIPS

High Performance Linpack

Higher Scores are Better

Performance
Raspberry Pi 5 (8GB)
36.6 GFLOPS
Radxa CM3I (2GB)
7.74 GFLOPS
Performance/Watt
Raspberry Pi 5 (8GB)
3.16 GFLOPS/W
Radxa CM3I (2GB)
0.83 GFLOPS/W

UnixBench

Higher Scores are Better

Single Core
Raspberry Pi 5 (8GB)
1,654
Radxa CM3I (2GB)
336
Multi Core
Raspberry Pi 5 (8GB)
4,920
Radxa CM3I (2GB)
1,112

PassMark CPU

Higher Scores are Better

CPU Score
Raspberry Pi 5 (8GB)
2,394
Radxa CM3I (2GB)
709

CPU Mining (cpuminer-multi)

Higher Hashrates are Better

Single Core
Raspberry Pi 5 (8GB)
3.86 kH/s
Radxa CM3I (2GB)
1.9 kH/s
Multi Core
Raspberry Pi 5 (8GB)
15.43 kH/s
Radxa CM3I (2GB)
7.56 kH/s

Memory Performance

Memory bandwidth and throughput benchmarks

TinyMemBench

Higher Bandwidth is Better

memcpy
Raspberry Pi 5 (8GB)
No Data
Radxa CM3I (2GB)
1,533.6 MB/s
memset
Raspberry Pi 5 (8GB)
No Data
Radxa CM3I (2GB)
4,626.7 MB/s

PassMark RAM

Higher Scores are Better

RAM Score
Raspberry Pi 5 (8GB)
1,374
Radxa CM3I (2GB)
544

AI & LLM Performance

Large Language Model inference performance

Ollama LLM Benchmark

Higher Scores are Better

Tokens/sec
Raspberry Pi 5 (8GB)
12.02 tok/s
Radxa CM3I (2GB)
No Data
Tokens/Watt
Raspberry Pi 5 (8GB)
1.24 tok/W
Radxa CM3I (2GB)
No Data
Tokens/Dollar
Raspberry Pi 5 (8GB)
0.13 tok/$
Radxa CM3I (2GB)
No Data

Storage Performance

Disk I/O throughput measured with FIO

fio Storage Performance - microSD

Higher Speeds are Better • Raspberry Pi 64GB (64GB microSD), Raspberry Pi 32GB (32GB microSD)

4K Random Read
Raspberry Pi 5 (8GB)
22 MB/s
Radxa CM3I (2GB)
12.6 MB/s
4K Random Write
Raspberry Pi 5 (8GB)
15.1 MB/s
Radxa CM3I (2GB)
5.1 MB/s

fio Storage Performance - eMMC

Higher Speeds are Better • Radxa CM3I (8GB eMMC)

4K Random Read
Raspberry Pi 5 (8GB)
No Data
Radxa CM3I (2GB)
25.7 MB/s
4K Random Write
Raspberry Pi 5 (8GB)
No Data
Radxa CM3I (2GB)
26.8 MB/s

fio Storage Performance - M.2 NVMe

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

4K Random Read
Raspberry Pi 5 (8GB)
866.5 MB/s
Radxa CM3I (2GB)
121.9 MB/s
4K Random Write
Raspberry Pi 5 (8GB)
590.6 MB/s
Radxa CM3I (2GB)
78.1 MB/s

Network Performance

Ethernet and WiFi throughput measured with iPerf3

iPerf3 Network Performance

Higher Speeds are Better

Ethernet Up
Raspberry Pi 5 (8GB)
937 Mbps
Radxa CM3I (2GB)
942 Mbps
Ethernet Down
Raspberry Pi 5 (8GB)
941 Mbps
Radxa CM3I (2GB)
942 Mbps

Power & Thermal

Power consumption at idle and under various workloads

Power Consumption

Lower is "Better"

Idle Power
Raspberry Pi 5 (8GB)
No Data
Radxa CM3I (2GB)
4.8W
Load Power
Raspberry Pi 5 (8GB)
6.5W
Radxa CM3I (2GB)
7.6W
Ollama Max
Raspberry Pi 5 (8GB)
10.8W
Radxa CM3I (2GB)
No Data
Linpack Max
Raspberry Pi 5 (8GB)
11.6W
Radxa CM3I (2GB)
9.1W

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