Libre Computer Alta vs Radxa Fogwise Airbox Q900 vs Raspberry Pi Compute Module 0 (CM0)
Benchmarks, specifications, and real-world performance data
Fastest
Radxa Fogwise Airbox Q900
5,638 GB6 multi-core
Best value
Libre Computer Alta
22.7 GB6 pts/$ at $55
Most efficient
Raspberry Pi Compute Module 0 (CM0)
3.0W under load
Comparison Summary
Here we line up the Libre Computer Alta, the Radxa Fogwise Airbox Q900 and the Raspberry Pi Compute Module 0 (CM0), comparing specifications against benchmark numbers we measured ourselves on every board. Processor-wise, there is a clear winner. The Radxa Fogwise Airbox Q900 scores 5,638 in Geekbench 6 multi-core, 352% more than the Libre Computer Alta manages at 1,246. On performance per dollar the Libre Computer Alta comes out ahead, delivering 22.7 multi-core points per dollar at its $55.00 list price. The Raspberry Pi Compute Module 0 (CM0) is the most frugal under load, drawing 3.0W (1.1W at idle).
Read our individual reviews:
Detailed Reviews
Read our comprehensive reviews from bret.dk featuring data and benchmarks from sbc.compare:
CPU Performance
Processor performance across single and multi-core workloads
Geekbench 6
Higher Scores are Better
7-Zip Benchmark
Higher Scores are Better
High Performance Linpack
Higher Scores are Better
UnixBench
Higher Scores are Better
PassMark CPU
Higher Scores are Better
CPU Mining (cpuminer-multi)
Higher Hashrates are Better
Memory Performance
Memory bandwidth and throughput benchmarks
TinyMemBench
Higher Bandwidth is Better
PassMark RAM
Higher Scores are Better
GPU Performance
Graphics rendering performance using OpenGL and Vulkan
glmark2 (OpenGL)
Higher Scores are Better
vkmark (Vulkan)
Higher Scores are Better
Only this board has been tested so far, so there is nothing to compare against yet.
AI & LLM Performance
Large Language Model inference performance
Ollama LLM Benchmark
Higher Scores are Better
Storage Performance
Disk I/O throughput measured with FIO
fio Storage Performance - eMMC
Higher Speeds are Better • Libre Computer eMMC (16GB eMMC), Raspberry Pi CM0 (8GB eMMC)
fio Storage Performance - microSD
Higher Speeds are Better • Raspberry Pi 64GB (64GB microSD)
Only this board has been tested so far, so there is nothing to compare against yet.
fio Storage Performance - M.2 NVMe
Higher Speeds are Better • Crucial P5 Plus (1024GB M.2 NVMe)
Only this board has been tested so far, so there is nothing to compare against yet.
fio Storage Performance - UFS
Higher Speeds are Better • Radxa Q900 (128GB UFS)
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
Power & Thermal
Power consumption at idle and under various workloads
Power Consumption
Lower is "Better"
Cooling & Thermal Testing
Frequently Asked Questions
Which is faster, the Radxa Fogwise Airbox Q900 or the Libre Computer Alta?
The Radxa Fogwise Airbox Q900 is faster in our testing, scoring 5,638 in Geekbench 6 multi-core versus 1,246 for the Libre Computer Alta, a 352% advantage.
Which board is the best value?
Of the boards in this comparison, the Libre Computer Alta offers the best performance per dollar: 22.7 Geekbench 6 multi-core points per dollar at $55.00.