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Libre Computer Alta 4GB

Benchmarks, specifications, and real-world performance data

Specification
Libre ComputerAlta (4GB)Alta (4GB) Product Page
Basic Specifications
Price$55*
RAM4GB
SoCAmlogic A311D
ArchitectureARM
CPU Cores
6 cores
4× Cortex-A73 @ 2.2GHz
2× Cortex-A53 @ 2.0GHz

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Legend

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Key performance metric
*Manufacturer's RRP
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Detailed Reviews

Read our comprehensive reviews from bret.dk featuring data and benchmarks from sbc.compare:

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Libre Computer Alta (4GB)

Geekbench 6

Higher Scores are Better

Single-Core
Libre Computer Alta (4GB)
385
Multi-Core
Libre Computer Alta (4GB)
1,246

7-Zip Benchmark

Higher Scores are Better

Single-Core Combined
Libre Computer Alta (4GB)
2,248 MIPS
Multi-Core Combined
Libre Computer Alta (4GB)
9,536 MIPS

High Performance Linpack

Higher Scores are Better

Performance
Libre Computer Alta (4GB)
21.68 GFLOPS
Performance/Watt
Libre Computer Alta (4GB)
2.39 GFLOPS/W

UnixBench

Higher Scores are Better

Single Core
Libre Computer Alta (4GB)
477
Multi Core
Libre Computer Alta (4GB)
2,331

PassMark PerformanceTest

Higher Scores are Better

CPU Score
Libre Computer Alta (4GB)
1,434
RAM Score
Libre Computer Alta (4GB)
883

CPU Mining (cpuminer-multi)

Higher Hashrates are Better

Single Core
Libre Computer Alta (4GB)
2.22 kH/s
Multi Core
Libre Computer Alta (4GB)
12.72 kH/s

Power Consumption

Lower is "Better"

Idle Power
Libre Computer Alta (4GB)
1.9W
Load Power
Libre Computer Alta (4GB)
5.8W
Ollama Max
Libre Computer Alta (4GB)
7.4W
Linpack Max
Libre Computer Alta (4GB)
9.1W

iPerf3 Network Performance

Higher Speeds are Better

Ethernet Up
Libre Computer Alta (4GB)
940 Mbps
Ethernet Down
Libre Computer Alta (4GB)
940 Mbps

fio Storage Performance - microSD

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

4K Random Read
Libre Computer Alta (4GB)
19 MB/s
4K Random Write
Libre Computer Alta (4GB)
13 MB/s

fio Storage Performance - eMMC

Higher Speeds are Better • Libre Computer 16GB (16GB eMMC)

4K Random Read
Libre Computer Alta (4GB)
30.6 MB/s
4K Random Write
Libre Computer Alta (4GB)
45.2 MB/s

Ollama LLM Benchmark

Higher Scores are Better

Tokens/sec
Libre Computer Alta (4GB)
7.78 tok/s
Tokens/Watt
Libre Computer Alta (4GB)
1.05 tok/W
Tokens/Dollar
Libre Computer Alta (4GB)
0.14 tok/$