
Libre Computer Alta 4GB
Benchmarks, specifications, and real-world performance data
Geekbench 6
1,246
multi-core · 385 single-core
Power draw
5.8W load
1.9W idle
Price
$55.00
RRP
Performance Summary
The Libre Computer Alta is an ARM single board computer built around the Amlogic A311D, pairing 6 CPU cores with 4GB of RAM in this configuration. Benchmarked on real hardware, it managed 1,246 points in Geekbench 6 multi-core (385 single-core) and pushed 9,536 MIPS through 7-Zip compression. It also delivered 21.68 GFLOPS in our Linpack run. Power draw measured 1.9W at idle and 5.8W under load.
| Specification | |
|---|---|
| Basic Specifications | |
| Price | $55* |
| RAM | 4GB |
| SoC | |
| Architecture | ARM |
| CPU Cores | 6 cores 4× Cortex-A73 @ 2.2GHz 2× Cortex-A53 @ 2.0GHz |
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
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 - microSD
Higher Speeds are Better • Raspberry Pi 64GB (64GB microSD)
fio Storage Performance - eMMC
Higher Speeds are Better • Libre Computer eMMC (16GB eMMC)
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"
Frequently Asked Questions
How fast is the Libre Computer Alta?
In our testing the Libre Computer Alta scored 1,246 in Geekbench 6 multi-core and 385 in single-core, with 9,536 MIPS in multi-core 7-Zip compression.
How much power does the Libre Computer Alta use?
We measured the Libre Computer Alta drawing 1.9W at idle and 5.8W under sustained CPU load.
How much does the Libre Computer Alta cost?
The Libre Computer Alta has a manufacturer's recommended price of $55.00 for the 4GB RAM configuration. Street prices vary by retailer and availability.
See how the Libre Computer Alta stacks up against another board, side by side.