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Raspberry Pi Zero 2 WRaspberry Pi Compute Module 0 (CM0)

Raspberry Pi Zero 2 W vs Raspberry Pi Compute Module 0 (CM0)

Tested by Bret Weber Last updated

Raspberry Pi Zero 2 WvsRaspberry Pi Compute Module 0 (CM0)

Fastest

Raspberry Pi Zero 2 W

2,721 MIPS 7-Zip multi-core

Best value

Raspberry Pi Zero 2 W

171 MIPS/$ at $16

Most efficient

Raspberry Pi Zero 2 W

2.3W under load

Comparison Summary

The Raspberry Pi Zero 2 W and the Raspberry Pi Compute Module 0 (CM0) go head to head below, with every figure taken from our own hands-on testing. If power budget matters, the Raspberry Pi Zero 2 W draws the least at 2.3W under load.

Read our individual reviews:

Specification
Basic Specifications
Price$60
RAM512MB512MB
SoC
ArchitectureARMARM
CPU Cores
4 cores
4× Cortex-A53 @ 1.0GHz
4 cores
4× Cortex-A53 @ 1.0GHz
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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.

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Detailed Reviews

Full write-ups on bret.dk, using the same benchmark data:

Raspberry Pi Zero 2 W (512MB)
Raspberry Pi Compute Module 0 (CM0) (512MB)

CPU Performance

Processor performance across single and multi-core workloads

7-Zip Benchmark

Higher Scores are Better

Raspberry Pi Zero 2 W (512MB)808 MIPS #104 of 118
Raspberry Pi Compute Module 0 (CM0) (512MB)810 MIPS #103 of 118
Raspberry Pi Zero 2 W (512MB)2,721 MIPS #101 of 113
Raspberry Pi Compute Module 0 (CM0) (512MB)2,683 MIPS 1% slower #102 of 113

UnixBench

Higher Scores are Better

Raspberry Pi Zero 2 W (512MB)260 6% slower #95 of 118
Raspberry Pi Compute Module 0 (CM0) (512MB)276 #94 of 118
Raspberry Pi Zero 2 W (512MB)833 7% slower #94 of 109
Raspberry Pi Compute Module 0 (CM0) (512MB)897 #91 of 109

CPU Mining (cpuminer-multi)

Higher Hashrates are Better

Raspberry Pi Zero 2 W (512MB)0.96 kH/s #91 of 108
Raspberry Pi Compute Module 0 (CM0) (512MB)0.93 kH/s 3% slower #93 of 108
Raspberry Pi Zero 2 W (512MB)3.81 kH/s #90 of 104
Raspberry Pi Compute Module 0 (CM0) (512MB)3.69 kH/s 3% slower #92 of 104

PassMark CPU

Higher Scores are Better

Raspberry Pi Zero 2 W (512MB)CPU Score: 152#94 of 95

Only this board has been tested so far, so there is nothing to compare against yet.

Memory Performance

Memory bandwidth and throughput benchmarks

TinyMemBench

Higher Bandwidth is Better

Raspberry Pi Compute Module 0 (CM0) (512MB)memcpy: 1,170.2 MB/s#51 of 65memset: 1,603.4 MB/s#60 of 65

Only this board has been tested so far, so there is nothing to compare against yet.

GPU Performance

Graphics rendering with OpenGL and Vulkan, plus raw Vulkan compute throughput

glmark2 (OpenGL)

Higher Scores are Better

Raspberry Pi Compute Module 0 (CM0) (512MB)1080p: 105#19 of 25

Only this board has been tested so far, so there is nothing to compare against yet.

Storage Performance

Disk I/O throughput measured with FIO

fio Storage Performance - microSD

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

Raspberry Pi Zero 2 W (512MB)4K Random Read: 10.8 MB/s4K Random Write: 8.7 MB/s

Only this board has been tested so far, so there is nothing to compare against yet.

fio Storage Performance - eMMC

Higher Speeds are Better • Raspberry Pi CM0 (8GB eMMC)

Raspberry Pi Compute Module 0 (CM0) (512MB)4K Random Read: 12.6 MB/s4K Random Write: 9.3 MB/s

Only this board has been tested so far, so there is nothing to compare against yet.

Network Performance

Ethernet and WiFi throughput measured with iPerf3

iPerf3 Network Performance

Higher Speeds are Better

Ethernet Up
Raspberry Pi Zero 2 W (512MB)No Data
Raspberry Pi Compute Module 0 (CM0) (512MB)94 Mbps
Ethernet Down
Raspberry Pi Zero 2 W (512MB)No Data
Raspberry Pi Compute Module 0 (CM0) (512MB)94 Mbps
WiFi Up
Raspberry Pi Zero 2 W (512MB)22 Mbps 37% slower
Raspberry Pi Compute Module 0 (CM0) (512MB)35 Mbps
WiFi Down
Raspberry Pi Zero 2 W (512MB)18 Mbps 31% slower
Raspberry Pi Compute Module 0 (CM0) (512MB)26 Mbps

Power & Thermal

Power consumption at idle and under various workloads

Power Consumption

Lower is "Better"

Raspberry Pi Zero 2 W (512MB)No Data
Raspberry Pi Compute Module 0 (CM0) (512MB)1.1W #12 of 74
Raspberry Pi Zero 2 W (512MB)2.3W #19 of 105
Raspberry Pi Compute Module 0 (CM0) (512MB)3W 30% more #31 of 105

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