Radxa X4 vs Radxa ROCK 2A

Benchmarks, specifications, and real-world performance data

Specification
Basic Specifications
Price
RAM8GB4GB
SoC
Intel® UHD Graphics
Architecturex86ARM
CPU Cores
4 cores
4× Alder Lake-N @ 3.2GHz
4 cores
4× Cortex-A53 @ 2.0GHz

Legend

Best value in category
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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Radxa X4 (8GB)
Radxa ROCK 2A (4GB)

CPU Performance

Processor performance across single and multi-core workloads

Geekbench 6

Higher Scores are Better

Single-Core
Radxa X4 (8GB)
1,243
Radxa ROCK 2A (4GB)
167
Multi-Core
Radxa X4 (8GB)
2,981
Radxa ROCK 2A (4GB)
450

7-Zip Benchmark

Higher Scores are Better

Single-Core Combined
Radxa X4 (8GB)
3,756 MIPS
Radxa ROCK 2A (4GB)
1,298 MIPS
Multi-Core Combined
Radxa X4 (8GB)
9,597 MIPS
Radxa ROCK 2A (4GB)
4,404 MIPS

High Performance Linpack

Higher Scores are Better

Performance
Radxa X4 (8GB)
27.19 GFLOPS
Radxa ROCK 2A (4GB)
9.81 GFLOPS
Performance/Watt
Radxa X4 (8GB)
1.23 GFLOPS/W
Radxa ROCK 2A (4GB)
2.08 GFLOPS/W

UnixBench

Higher Scores are Better

Single Core
Radxa X4 (8GB)
1,625
Radxa ROCK 2A (4GB)
312
Multi Core
Radxa X4 (8GB)
3,952
Radxa ROCK 2A (4GB)
1,087

PassMark CPU

Higher Scores are Better

CPU Score
Radxa X4 (8GB)
4,782
Radxa ROCK 2A (4GB)
560

CPU Mining (cpuminer-multi)

Higher Hashrates are Better

Single Core
Radxa X4 (8GB)
5.61 kH/s
Radxa ROCK 2A (4GB)
1.44 kH/s
Multi Core
Radxa X4 (8GB)
22.13 kH/s
Radxa ROCK 2A (4GB)
5.75 kH/s

Memory Performance

Memory bandwidth and throughput benchmarks

PassMark RAM

Higher Scores are Better

RAM Score
Radxa X4 (8GB)
1,815
Radxa ROCK 2A (4GB)
570

AI & LLM Performance

Large Language Model inference performance

Ollama LLM Benchmark

Higher Scores are Better

Tokens/sec
Radxa X4 (8GB)
13.77 tok/s
Radxa ROCK 2A (4GB)
2.96 tok/s
Tokens/Watt
Radxa X4 (8GB)
0.69 tok/W
Radxa ROCK 2A (4GB)
0.85 tok/W
Tokens/Dollar
Radxa X4 (8GB)
0.17 tok/$
Radxa ROCK 2A (4GB)
0.1 tok/$

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
Radxa ROCK 2A (4GB)
7.8 MB/s
4K Random Write
Radxa X4 (8GB)
No Data
Radxa ROCK 2A (4GB)
10.8 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
Radxa ROCK 2A (4GB)
No Data
4K Random Write
Radxa X4 (8GB)
1,013.3 MB/s
Radxa ROCK 2A (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
Radxa ROCK 2A (4GB)
942 Mbps
Ethernet Down
Radxa X4 (8GB)
2,355 Mbps
Radxa ROCK 2A (4GB)
941 Mbps

Power & Thermal

Power consumption at idle and under various workloads

Power Consumption

Lower is "Better"

Idle Power
Radxa X4 (8GB)
No Data
Radxa ROCK 2A (4GB)
1.5W
Load Power
Radxa X4 (8GB)
12.2W
Radxa ROCK 2A (4GB)
2.7W
Ollama Max
Radxa X4 (8GB)
20.5W
Radxa ROCK 2A (4GB)
3.5W
Linpack Max
Radxa X4 (8GB)
22.1W
Radxa ROCK 2A (4GB)
4.7W

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