sbc.compare

Radxa X4 vs Radxa ROCK 5B+

Benchmarks, specifications, and real-world performance data

Specification
RadxaX4 (8GB)X4 (8GB) Product Page
RadxaROCK 5B+ (16GB)ROCK 5B+ (16GB) Product Page
Basic Specifications
Price
$80*
AliExpressALI**OFF
$135*
AmazonAMZ**AliExpressALI**
RAM8GB16GB
SoC
Intel N100
Intel® UHD Graphics
Rockchip RK3588
Mali-G610 MP4
Rockchip NPU 3.0 (6 TOPS)
Architecturex86ARM
CPU Cores
4 cores
4× Alder Lake-N @ 3.2GHz
8 cores
4× Cortex-A76 @ 2.4GHz
4× Cortex-A55 @ 1.8GHz

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)
Radxa ROCK 5B+ (16GB)

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 5B+ (16GB)
813
Multi-Core
Radxa X4 (8GB)
2,981
Radxa ROCK 5B+ (16GB)
2,944

7-Zip Benchmark

Higher Scores are Better

Single-Core Combined
Radxa X4 (8GB)
3,756 MIPS
Radxa ROCK 5B+ (16GB)
2,883 MIPS
Multi-Core Combined
Radxa X4 (8GB)
9,597 MIPS
Radxa ROCK 5B+ (16GB)
15,470 MIPS

High Performance Linpack

Higher Scores are Better

Performance
Radxa X4 (8GB)
27.19 GFLOPS
Radxa ROCK 5B+ (16GB)
44.15 GFLOPS
Performance/Watt
Radxa X4 (8GB)
1.23 GFLOPS/W
Radxa ROCK 5B+ (16GB)
2.3 GFLOPS/W

UnixBench

Higher Scores are Better

Single Core
Radxa X4 (8GB)
1,625
Radxa ROCK 5B+ (16GB)
1,280
Multi Core
Radxa X4 (8GB)
3,952
Radxa ROCK 5B+ (16GB)
6,076

PassMark CPU

Higher Scores are Better

CPU Score
Radxa X4 (8GB)
4,782
Radxa ROCK 5B+ (16GB)
2,778

CPU Mining (cpuminer-multi)

Higher Hashrates are Better

Single Core
Radxa X4 (8GB)
5.61 kH/s
Radxa ROCK 5B+ (16GB)
3.64 kH/s
Multi Core
Radxa X4 (8GB)
22.13 kH/s
Radxa ROCK 5B+ (16GB)
21.43 kH/s

Memory Performance

Memory bandwidth and throughput benchmarks

PassMark RAM

Higher Scores are Better

RAM Score
Radxa X4 (8GB)
1,815
Radxa ROCK 5B+ (16GB)
1,346

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 5B+ (16GB)
1.12 tok/s
Tokens/Watt
Radxa X4 (8GB)
0.69 tok/W
Radxa ROCK 5B+ (16GB)
0.09 tok/W
Tokens/Dollar
Radxa X4 (8GB)
0.17 tok/$
Radxa ROCK 5B+ (16GB)
0.02 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 5B+ (16GB)
16.4 MB/s
4K Random Write
Radxa X4 (8GB)
No Data
Radxa ROCK 5B+ (16GB)
11.1 MB/s

fio Storage Performance - M.2 NVMe

Higher Speeds are Better • Western Digital Black SN770M (500GB M.2 NVMe), Crucial P5 Plus (1024GB M.2 NVMe)

4K Random Read
Radxa X4 (8GB)
1,069.6 MB/s
Radxa ROCK 5B+ (16GB)
581.8 MB/s
4K Random Write
Radxa X4 (8GB)
1,013.3 MB/s
Radxa ROCK 5B+ (16GB)
466.3 MB/s

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 5B+ (16GB)
2,349 Mbps
Ethernet Down
Radxa X4 (8GB)
2,355 Mbps
Radxa ROCK 5B+ (16GB)
2,352 Mbps

Power & Thermal

Power consumption at idle and under various workloads

Power Consumption

Lower is "Better"

Load Power
Radxa X4 (8GB)
12.2W
Radxa ROCK 5B+ (16GB)
8.6W
Ollama Max
Radxa X4 (8GB)
20.5W
Radxa ROCK 5B+ (16GB)
14.3W
Linpack Max
Radxa X4 (8GB)
22.1W
Radxa ROCK 5B+ (16GB)
19.2W

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