sbc.compare

Libre Computer Alta vs Radxa Fogwise Airbox Q900 vs Raspberry Pi Compute Module 0 (CM0)

Benchmarks, specifications, and real-world performance data

Specification
Libre ComputerAlta (4GB)Alta (4GB) Product Page
RadxaFogwise Airbox Q900 (36GB)Fogwise Airbox Q900 (36GB) Product Page
Raspberry PiCompute Module 0 (CM0) (512MB)Compute Module 0 (CM0) (512MB) Product Page
Basic Specifications
Price
$55*
OFF
$590*
AliExpressALI**OFF
$60*
RAM4GB36GB512MB
SoC
Amlogic A311D
Mali-G52 MP4
Qualcomm IQ-9075
Adreno 663
Broadcom BCM2710A1
VideoCore
ArchitectureARMARMARM
CPU Cores
6 cores
4× Cortex-A73 @ 2.2GHz
2× Cortex-A53 @ 2.0GHz
8 cores
8× Cortex-A78C @ 2.4GHz
4 cores
4× Cortex-A53 @ 1.0GHz

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:

bret.dk logo
Libre Computer Alta (4GB)
Radxa Fogwise Airbox Q900 (36GB)
Raspberry Pi Compute Module 0 (CM0) (512MB)

CPU Performance

Processor performance across single and multi-core workloads

Geekbench 6

Higher Scores are Better

Single-Core
Libre Computer Alta (4GB)
385
Radxa Fogwise Airbox Q900 (36GB)
1,111
Raspberry Pi Compute Module 0 (CM0) (512MB)
No Data
Multi-Core
Libre Computer Alta (4GB)
1,246
Radxa Fogwise Airbox Q900 (36GB)
5,638
Raspberry Pi Compute Module 0 (CM0) (512MB)
No Data

7-Zip Benchmark

Higher Scores are Better

Single-Core Combined
Libre Computer Alta (4GB)
2,248 MIPS
Radxa Fogwise Airbox Q900 (36GB)
3,558 MIPS
Raspberry Pi Compute Module 0 (CM0) (512MB)
810 MIPS
Multi-Core Combined
Libre Computer Alta (4GB)
9,536 MIPS
Radxa Fogwise Airbox Q900 (36GB)
27,150 MIPS
Raspberry Pi Compute Module 0 (CM0) (512MB)
2,683 MIPS

High Performance Linpack

Higher Scores are Better

Performance
Libre Computer Alta (4GB)
21.68 GFLOPS
Radxa Fogwise Airbox Q900 (36GB)
125.07 GFLOPS
Raspberry Pi Compute Module 0 (CM0) (512MB)
No Data
Performance/Watt
Libre Computer Alta (4GB)
2.39 GFLOPS/W
Radxa Fogwise Airbox Q900 (36GB)
5.67 GFLOPS/W
Raspberry Pi Compute Module 0 (CM0) (512MB)
No Data

UnixBench

Higher Scores are Better

Single Core
Libre Computer Alta (4GB)
477
Radxa Fogwise Airbox Q900 (36GB)
573
Raspberry Pi Compute Module 0 (CM0) (512MB)
276
Multi Core
Libre Computer Alta (4GB)
2,331
Radxa Fogwise Airbox Q900 (36GB)
4,098
Raspberry Pi Compute Module 0 (CM0) (512MB)
897

PassMark CPU

Higher Scores are Better

CPU Score
Libre Computer Alta (4GB)
1,434
Radxa Fogwise Airbox Q900 (36GB)
5,158
Raspberry Pi Compute Module 0 (CM0) (512MB)
No Data

CPU Mining (cpuminer-multi)

Higher Hashrates are Better

Single Core
Libre Computer Alta (4GB)
2.22 kH/s
Radxa Fogwise Airbox Q900 (36GB)
4.47 kH/s
Raspberry Pi Compute Module 0 (CM0) (512MB)
0.93 kH/s
Multi Core
Libre Computer Alta (4GB)
12.72 kH/s
Radxa Fogwise Airbox Q900 (36GB)
35.09 kH/s
Raspberry Pi Compute Module 0 (CM0) (512MB)
3.69 kH/s

Memory Performance

Memory bandwidth and throughput benchmarks

TinyMemBench

Higher Bandwidth is Better

memcpy
Libre Computer Alta (4GB)
4,001.1 MB/s
Radxa Fogwise Airbox Q900 (36GB)
14,326 MB/s
Raspberry Pi Compute Module 0 (CM0) (512MB)
1,170.2 MB/s
memset
Libre Computer Alta (4GB)
4,818.2 MB/s
Radxa Fogwise Airbox Q900 (36GB)
37,677.7 MB/s
Raspberry Pi Compute Module 0 (CM0) (512MB)
1,603.4 MB/s

PassMark RAM

Higher Scores are Better

RAM Score
Libre Computer Alta (4GB)
883
Radxa Fogwise Airbox Q900 (36GB)
2,439
Raspberry Pi Compute Module 0 (CM0) (512MB)
No Data

GPU Performance

Graphics rendering performance using OpenGL and Vulkan

glmark2 (OpenGL)

Higher Scores are Better

1080p
Libre Computer Alta (4GB)
731
Radxa Fogwise Airbox Q900 (36GB)
973
Raspberry Pi Compute Module 0 (CM0) (512MB)
105
4K
Libre Computer Alta (4GB)
217
Radxa Fogwise Airbox Q900 (36GB)
324
Raspberry Pi Compute Module 0 (CM0) (512MB)
No Data

vkmark (Vulkan)

Higher Scores are Better

1080p
Libre Computer Alta (4GB)
No Data
Radxa Fogwise Airbox Q900 (36GB)
2,397
Raspberry Pi Compute Module 0 (CM0) (512MB)
No Data
4K
Libre Computer Alta (4GB)
No Data
Radxa Fogwise Airbox Q900 (36GB)
889
Raspberry Pi Compute Module 0 (CM0) (512MB)
No Data

AI & LLM Performance

Large Language Model inference performance

Ollama LLM Benchmark

Higher Scores are Better

Tokens/sec
Libre Computer Alta (4GB)
7.78 tok/s
Radxa Fogwise Airbox Q900 (36GB)
23.66 tok/s
Raspberry Pi Compute Module 0 (CM0) (512MB)
No Data
Tokens/Watt
Libre Computer Alta (4GB)
1.05 tok/W
Radxa Fogwise Airbox Q900 (36GB)
1.37 tok/W
Raspberry Pi Compute Module 0 (CM0) (512MB)
No Data
Tokens/Dollar
Libre Computer Alta (4GB)
0.14 tok/$
Radxa Fogwise Airbox Q900 (36GB)
0.04 tok/$
Raspberry Pi Compute Module 0 (CM0) (512MB)
No Data

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
Libre Computer Alta (4GB)
19 MB/s
Radxa Fogwise Airbox Q900 (36GB)
No Data
Raspberry Pi Compute Module 0 (CM0) (512MB)
No Data
4K Random Write
Libre Computer Alta (4GB)
13 MB/s
Radxa Fogwise Airbox Q900 (36GB)
No Data
Raspberry Pi Compute Module 0 (CM0) (512MB)
No Data

fio Storage Performance - eMMC

Higher Speeds are Better • Libre Computer eMMC (16GB eMMC), Raspberry Pi CM0 (8GB eMMC)

4K Random Read
Libre Computer Alta (4GB)
30.6 MB/s
Radxa Fogwise Airbox Q900 (36GB)
No Data
Raspberry Pi Compute Module 0 (CM0) (512MB)
12.6 MB/s
4K Random Write
Libre Computer Alta (4GB)
45.2 MB/s
Radxa Fogwise Airbox Q900 (36GB)
No Data
Raspberry Pi Compute Module 0 (CM0) (512MB)
9.3 MB/s

fio Storage Performance - M.2 NVMe

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

4K Random Read
Libre Computer Alta (4GB)
No Data
Radxa Fogwise Airbox Q900 (36GB)
430.4 MB/s
Raspberry Pi Compute Module 0 (CM0) (512MB)
No Data
4K Random Write
Libre Computer Alta (4GB)
No Data
Radxa Fogwise Airbox Q900 (36GB)
402.7 MB/s
Raspberry Pi Compute Module 0 (CM0) (512MB)
No Data

fio Storage Performance - UFS

Higher Speeds are Better • Radxa Q900 (128GB UFS)

4K Random Read
Libre Computer Alta (4GB)
No Data
Radxa Fogwise Airbox Q900 (36GB)
276 MB/s
Raspberry Pi Compute Module 0 (CM0) (512MB)
No Data
4K Random Write
Libre Computer Alta (4GB)
No Data
Radxa Fogwise Airbox Q900 (36GB)
238.7 MB/s
Raspberry Pi Compute Module 0 (CM0) (512MB)
No Data

Network Performance

Ethernet and WiFi throughput measured with iPerf3

iPerf3 Network Performance

Higher Speeds are Better

Ethernet Up
Libre Computer Alta (4GB)
940 Mbps
Radxa Fogwise Airbox Q900 (36GB)
2,343 Mbps
Raspberry Pi Compute Module 0 (CM0) (512MB)
94 Mbps
Ethernet Down
Libre Computer Alta (4GB)
940 Mbps
Radxa Fogwise Airbox Q900 (36GB)
2,340 Mbps
Raspberry Pi Compute Module 0 (CM0) (512MB)
94 Mbps
WiFi Up
Libre Computer Alta (4GB)
No Data
Radxa Fogwise Airbox Q900 (36GB)
No Data
Raspberry Pi Compute Module 0 (CM0) (512MB)
35 Mbps
WiFi Down
Libre Computer Alta (4GB)
No Data
Radxa Fogwise Airbox Q900 (36GB)
No Data
Raspberry Pi Compute Module 0 (CM0) (512MB)
26 Mbps

Power & Thermal

Power consumption at idle and under various workloads

Power Consumption

Lower is "Better"

Idle Power
Libre Computer Alta (4GB)
1.9W
Radxa Fogwise Airbox Q900 (36GB)
4.9W
Raspberry Pi Compute Module 0 (CM0) (512MB)
1.1W
Load Power
Libre Computer Alta (4GB)
5.8W
Radxa Fogwise Airbox Q900 (36GB)
11.6W
Raspberry Pi Compute Module 0 (CM0) (512MB)
3W
Ollama Max
Libre Computer Alta (4GB)
7.4W
Radxa Fogwise Airbox Q900 (36GB)
18W
Raspberry Pi Compute Module 0 (CM0) (512MB)
No Data
Linpack Max
Libre Computer Alta (4GB)
9.1W
Radxa Fogwise Airbox Q900 (36GB)
22W
Raspberry Pi Compute Module 0 (CM0) (512MB)
No Data

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