Raspberry Pi Compute Module 4 (CM4) vs Radxa ROCK 5B

Benchmarks, specifications, and real-world performance data

Specification
Basic Specifications
Price
RAM2GB8GB
SoC
VideoCore VI
Mali-G610 MP4
Rockchip NPU 3.0 (6 TOPS)
ArchitectureARMARM
CPU Cores
4 cores
4× Cortex-A72 @ 1.5GHz
8 cores
4× Cortex-A76 @ 2.4GHz
4× Cortex-A55 @ 1.8GHz

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 Compute Module 4 (CM4) (2GB)
Radxa ROCK 5B (8GB)

CPU Performance

Processor performance across single and multi-core workloads

Geekbench 6

Higher Scores are Better

Single-Core
Raspberry Pi Compute Module 4 (CM4) (2GB)
255
Radxa ROCK 5B (8GB)
849
Multi-Core
Raspberry Pi Compute Module 4 (CM4) (2GB)
609
Radxa ROCK 5B (8GB)
3,043

7-Zip Benchmark

Higher Scores are Better

Single-Core Combined
Raspberry Pi Compute Module 4 (CM4) (2GB)
1,522 MIPS
Radxa ROCK 5B (8GB)
3,113 MIPS
Multi-Core Combined
Raspberry Pi Compute Module 4 (CM4) (2GB)
5,170 MIPS
Radxa ROCK 5B (8GB)
16,486 MIPS

High Performance Linpack

Higher Scores are Better

Performance
Raspberry Pi Compute Module 4 (CM4) (2GB)
12.46 GFLOPS
Radxa ROCK 5B (8GB)
41.58 GFLOPS
Performance/Watt
Raspberry Pi Compute Module 4 (CM4) (2GB)
2.22 GFLOPS/W
Radxa ROCK 5B (8GB)
2.17 GFLOPS/W

UnixBench

Higher Scores are Better

Single Core
Raspberry Pi Compute Module 4 (CM4) (2GB)
493
Radxa ROCK 5B (8GB)
1,376
Multi Core
Raspberry Pi Compute Module 4 (CM4) (2GB)
1,528
Radxa ROCK 5B (8GB)
6,340

PassMark CPU

Higher Scores are Better

CPU Score
Raspberry Pi Compute Module 4 (CM4) (2GB)
518
Radxa ROCK 5B (8GB)
2,911

CPU Mining (cpuminer-multi)

Higher Hashrates are Better

Single Core
Raspberry Pi Compute Module 4 (CM4) (2GB)
1.89 kH/s
Radxa ROCK 5B (8GB)
3.7 kH/s
Multi Core
Raspberry Pi Compute Module 4 (CM4) (2GB)
7.54 kH/s
Radxa ROCK 5B (8GB)
21.76 kH/s

Memory Performance

Memory bandwidth and throughput benchmarks

TinyMemBench

Higher Bandwidth is Better

memcpy
Raspberry Pi Compute Module 4 (CM4) (2GB)
2,847.4 MB/s
Radxa ROCK 5B (8GB)
No Data
memset
Raspberry Pi Compute Module 4 (CM4) (2GB)
3,182.1 MB/s
Radxa ROCK 5B (8GB)
No Data

PassMark RAM

Higher Scores are Better

RAM Score
Raspberry Pi Compute Module 4 (CM4) (2GB)
625
Radxa ROCK 5B (8GB)
1,402

AI & LLM Performance

Large Language Model inference performance

Ollama LLM Benchmark

Higher Scores are Better

Tokens/sec
Raspberry Pi Compute Module 4 (CM4) (2GB)
3.46 tok/s
Radxa ROCK 5B (8GB)
0.21 tok/s
Tokens/Watt
Raspberry Pi Compute Module 4 (CM4) (2GB)
0.72 tok/W
Radxa ROCK 5B (8GB)
0.02 tok/W
Tokens/Dollar
Raspberry Pi Compute Module 4 (CM4) (2GB)
0.06 tok/$
Radxa ROCK 5B (8GB)
No Data

Storage Performance

Disk I/O throughput measured with FIO

fio Storage Performance - eMMC

Higher Speeds are Better • Raspberry Pi CM4 (16GB eMMC)

4K Random Read
Raspberry Pi Compute Module 4 (CM4) (2GB)
26.3 MB/s
Radxa ROCK 5B (8GB)
No Data
4K Random Write
Raspberry Pi Compute Module 4 (CM4) (2GB)
38.8 MB/s
Radxa ROCK 5B (8GB)
No Data

fio Storage Performance - M.2 NVMe

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

4K Random Read
Raspberry Pi Compute Module 4 (CM4) (2GB)
245.7 MB/s
Radxa ROCK 5B (8GB)
No Data
4K Random Write
Raspberry Pi Compute Module 4 (CM4) (2GB)
153.6 MB/s
Radxa ROCK 5B (8GB)
No Data

Network Performance

Ethernet and WiFi throughput measured with iPerf3

iPerf3 Network Performance

Higher Speeds are Better

Ethernet Up
Raspberry Pi Compute Module 4 (CM4) (2GB)
942 Mbps
Radxa ROCK 5B (8GB)
2,352 Mbps
Ethernet Down
Raspberry Pi Compute Module 4 (CM4) (2GB)
941 Mbps
Radxa ROCK 5B (8GB)
2,358 Mbps

Power & Thermal

Power consumption at idle and under various workloads

Power Consumption

Lower is "Better"

Idle Power
Raspberry Pi Compute Module 4 (CM4) (2GB)
No Data
Radxa ROCK 5B (8GB)
4.5W
Load Power
Raspberry Pi Compute Module 4 (CM4) (2GB)
4.2W
Radxa ROCK 5B (8GB)
9.5W
Ollama Max
Raspberry Pi Compute Module 4 (CM4) (2GB)
4.8W
Radxa ROCK 5B (8GB)
14.7W
Linpack Max
Raspberry Pi Compute Module 4 (CM4) (2GB)
5.6W
Radxa ROCK 5B (8GB)
19.2W

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