Radxa X4 vs Libre Computer Solitude

Benchmarks, specifications, and real-world performance data

Specification
Basic Specifications
Price
RAM8GB4GB
SoC
Intel® UHD Graphics
Mali-G31 MP2
Architecturex86ARM
CPU Cores
4 cores
4× Alder Lake-N @ 3.2GHz
4 cores
4× Cortex-A55 @ 2.0GHz

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:

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Radxa X4 (8GB)
Libre Computer Solitude (4GB)

CPU Performance

Processor performance across single and multi-core workloads

Geekbench 6

Higher Scores are Better

Single-Core
Radxa X4 (8GB)
1,243
Libre Computer Solitude (4GB)
243
Multi-Core
Radxa X4 (8GB)
2,981
Libre Computer Solitude (4GB)
698

7-Zip Benchmark

Higher Scores are Better

Single-Core Combined
Radxa X4 (8GB)
3,756 MIPS
Libre Computer Solitude (4GB)
1,525 MIPS
Multi-Core Combined
Radxa X4 (8GB)
9,597 MIPS
Libre Computer Solitude (4GB)
5,440 MIPS

High Performance Linpack

Higher Scores are Better

Performance
Radxa X4 (8GB)
27.19 GFLOPS
Libre Computer Solitude (4GB)
9.76 GFLOPS
Performance/Watt
Radxa X4 (8GB)
1.23 GFLOPS/W
Libre Computer Solitude (4GB)
1.99 GFLOPS/W

UnixBench

Higher Scores are Better

Single Core
Radxa X4 (8GB)
1,625
Libre Computer Solitude (4GB)
308
Multi Core
Radxa X4 (8GB)
3,952
Libre Computer Solitude (4GB)
1,099

PassMark CPU

Higher Scores are Better

CPU Score
Radxa X4 (8GB)
4,782
Libre Computer Solitude (4GB)
739

CPU Mining (cpuminer-multi)

Higher Hashrates are Better

Single Core
Radxa X4 (8GB)
5.61 kH/s
Libre Computer Solitude (4GB)
1.82 kH/s
Multi Core
Radxa X4 (8GB)
22.13 kH/s
Libre Computer Solitude (4GB)
7.28 kH/s

Memory Performance

Memory bandwidth and throughput benchmarks

PassMark RAM

Higher Scores are Better

RAM Score
Radxa X4 (8GB)
1,815
Libre Computer Solitude (4GB)
617

AI & LLM Performance

Large Language Model inference performance

Ollama LLM Benchmark

Higher Scores are Better

Tokens/sec
Radxa X4 (8GB)
13.77 tok/s
Libre Computer Solitude (4GB)
2.99 tok/s
Tokens/Watt
Radxa X4 (8GB)
0.69 tok/W
Libre Computer Solitude (4GB)
0.73 tok/W
Tokens/Dollar
Radxa X4 (8GB)
0.17 tok/$
Libre Computer Solitude (4GB)
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
Radxa X4 (8GB)
No Data
Libre Computer Solitude (4GB)
19.9 MB/s
4K Random Write
Radxa X4 (8GB)
No Data
Libre Computer Solitude (4GB)
14.2 MB/s

fio Storage Performance - eMMC

Higher Speeds are Better • Libre Computer eMMC (128GB eMMC)

4K Random Read
Radxa X4 (8GB)
No Data
Libre Computer Solitude (4GB)
26.8 MB/s
4K Random Write
Radxa X4 (8GB)
No Data
Libre Computer Solitude (4GB)
37.5 MB/s

fio Storage Performance - M.2 NVMe

Higher Speeds are Better • Western Digital Black SN770M (500GB M.2 NVMe)

4K Random Read
Radxa X4 (8GB)
1,069.6 MB/s
Libre Computer Solitude (4GB)
No Data
4K Random Write
Radxa X4 (8GB)
1,013.3 MB/s
Libre Computer Solitude (4GB)
No Data

Network Performance

Ethernet and WiFi throughput measured with iPerf3

iPerf3 Network Performance

Higher Speeds are Better

Ethernet Up
Radxa X4 (8GB)
2,350 Mbps
Libre Computer Solitude (4GB)
941 Mbps
Ethernet Down
Radxa X4 (8GB)
2,355 Mbps
Libre Computer Solitude (4GB)
931 Mbps

Power & Thermal

Power consumption at idle and under various workloads

Power Consumption

Lower is "Better"

Load Power
Radxa X4 (8GB)
12.2W
Libre Computer Solitude (4GB)
3.5W
Ollama Max
Radxa X4 (8GB)
20.5W
Libre Computer Solitude (4GB)
4.1W
Linpack Max
Radxa X4 (8GB)
22.1W
Libre Computer Solitude (4GB)
4.9W

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