Radxa X4 vs Radxa Fogwise Airbox Q900

Benchmarks, specifications, and real-world performance data

Specification
Basic Specifications
Price
RAM8GB36GB
SoC
Intel® UHD Graphics
Adreno 663
Architecturex86ARM
CPU Cores
4 cores
4× Alder Lake-N @ 3.2GHz
8 cores
8× Cortex-A78C @ 2.4GHz

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 Fogwise Airbox Q900 (36GB)

CPU Performance

Processor performance across single and multi-core workloads

Geekbench 6

Higher Scores are Better

Single-Core
Radxa X4 (8GB)
1,243
Radxa Fogwise Airbox Q900 (36GB)
1,111
Multi-Core
Radxa X4 (8GB)
2,981
Radxa Fogwise Airbox Q900 (36GB)
5,638

7-Zip Benchmark

Higher Scores are Better

Single-Core Combined
Radxa X4 (8GB)
3,756 MIPS
Radxa Fogwise Airbox Q900 (36GB)
3,558 MIPS
Multi-Core Combined
Radxa X4 (8GB)
9,597 MIPS
Radxa Fogwise Airbox Q900 (36GB)
27,150 MIPS

High Performance Linpack

Higher Scores are Better

Performance
Radxa X4 (8GB)
27.19 GFLOPS
Radxa Fogwise Airbox Q900 (36GB)
125.07 GFLOPS
Performance/Watt
Radxa X4 (8GB)
1.23 GFLOPS/W
Radxa Fogwise Airbox Q900 (36GB)
5.67 GFLOPS/W

UnixBench

Higher Scores are Better

Single Core
Radxa X4 (8GB)
1,625
Radxa Fogwise Airbox Q900 (36GB)
573
Multi Core
Radxa X4 (8GB)
3,952
Radxa Fogwise Airbox Q900 (36GB)
4,098

PassMark CPU

Higher Scores are Better

CPU Score
Radxa X4 (8GB)
4,782
Radxa Fogwise Airbox Q900 (36GB)
5,158

CPU Mining (cpuminer-multi)

Higher Hashrates are Better

Single Core
Radxa X4 (8GB)
5.61 kH/s
Radxa Fogwise Airbox Q900 (36GB)
4.47 kH/s
Multi Core
Radxa X4 (8GB)
22.13 kH/s
Radxa Fogwise Airbox Q900 (36GB)
35.09 kH/s

Memory Performance

Memory bandwidth and throughput benchmarks

TinyMemBench

Higher Bandwidth is Better

memcpy
Radxa X4 (8GB)
No Data
Radxa Fogwise Airbox Q900 (36GB)
14,326 MB/s
memset
Radxa X4 (8GB)
No Data
Radxa Fogwise Airbox Q900 (36GB)
37,677.7 MB/s

PassMark RAM

Higher Scores are Better

RAM Score
Radxa X4 (8GB)
1,815
Radxa Fogwise Airbox Q900 (36GB)
2,439

GPU Performance

Graphics rendering performance using OpenGL and Vulkan

glmark2 (OpenGL)

Higher Scores are Better

1080p
Radxa X4 (8GB)
No Data
Radxa Fogwise Airbox Q900 (36GB)
973
4K
Radxa X4 (8GB)
No Data
Radxa Fogwise Airbox Q900 (36GB)
324

vkmark (Vulkan)

Higher Scores are Better

1080p
Radxa X4 (8GB)
No Data
Radxa Fogwise Airbox Q900 (36GB)
2,397
4K
Radxa X4 (8GB)
No Data
Radxa Fogwise Airbox Q900 (36GB)
889

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 Fogwise Airbox Q900 (36GB)
23.66 tok/s
Tokens/Watt
Radxa X4 (8GB)
0.69 tok/W
Radxa Fogwise Airbox Q900 (36GB)
1.37 tok/W
Tokens/Dollar
Radxa X4 (8GB)
0.17 tok/$
Radxa Fogwise Airbox Q900 (36GB)
0.04 tok/$

Storage Performance

Disk I/O throughput measured with FIO

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 Fogwise Airbox Q900 (36GB)
430.4 MB/s
4K Random Write
Radxa X4 (8GB)
1,013.3 MB/s
Radxa Fogwise Airbox Q900 (36GB)
402.7 MB/s

fio Storage Performance - UFS

Higher Speeds are Better • Radxa Q900 (128GB UFS)

4K Random Read
Radxa X4 (8GB)
No Data
Radxa Fogwise Airbox Q900 (36GB)
276 MB/s
4K Random Write
Radxa X4 (8GB)
No Data
Radxa Fogwise Airbox Q900 (36GB)
238.7 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 Fogwise Airbox Q900 (36GB)
2,343 Mbps
Ethernet Down
Radxa X4 (8GB)
2,355 Mbps
Radxa Fogwise Airbox Q900 (36GB)
2,340 Mbps

Power & Thermal

Power consumption at idle and under various workloads

Power Consumption

Lower is "Better"

Idle Power
Radxa X4 (8GB)
No Data
Radxa Fogwise Airbox Q900 (36GB)
4.9W
Load Power
Radxa X4 (8GB)
12.2W
Radxa Fogwise Airbox Q900 (36GB)
11.6W
Ollama Max
Radxa X4 (8GB)
20.5W
Radxa Fogwise Airbox Q900 (36GB)
18W
Linpack Max
Radxa X4 (8GB)
22.1W
Radxa Fogwise Airbox Q900 (36GB)
22W

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