Milk-V Mars vs Radxa ROCK 5B

Benchmarks, specifications, and real-world performance data

Specification
Basic Specifications
Price
RAM4GB8GB
SoC
Imagination BXE-4-32
Mali-G610 MP4
Rockchip NPU 3.0 (6 TOPS)
ArchitectureRISC-VARM
CPU Cores
4 cores
4× SiFive U74 @ 1.5GHz
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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Milk-V Mars (4GB)
Radxa ROCK 5B (8GB)

CPU Performance

Processor performance across single and multi-core workloads

Geekbench 6

Higher Scores are Better

Single-Core
Milk-V Mars (4GB)
74
Radxa ROCK 5B (8GB)
849
Multi-Core
Milk-V Mars (4GB)
221
Radxa ROCK 5B (8GB)
3,043

7-Zip Benchmark

Higher Scores are Better

Single-Core Combined
Milk-V Mars (4GB)
1,181 MIPS
Radxa ROCK 5B (8GB)
3,113 MIPS
Multi-Core Combined
Milk-V Mars (4GB)
3,964 MIPS
Radxa ROCK 5B (8GB)
16,486 MIPS

High Performance Linpack

Higher Scores are Better

Performance
Milk-V Mars (4GB)
3.19 GFLOPS
Radxa ROCK 5B (8GB)
41.58 GFLOPS
Performance/Watt
Milk-V Mars (4GB)
0.69 GFLOPS/W
Radxa ROCK 5B (8GB)
2.17 GFLOPS/W

UnixBench

Higher Scores are Better

Single Core
Milk-V Mars (4GB)
411
Radxa ROCK 5B (8GB)
1,376
Multi Core
Milk-V Mars (4GB)
1,524
Radxa ROCK 5B (8GB)
6,340

PassMark CPU

Higher Scores are Better

CPU Score
Milk-V Mars (4GB)
No Data
Radxa ROCK 5B (8GB)
2,911

CPU Mining (cpuminer-multi)

Higher Hashrates are Better

Single Core
Milk-V Mars (4GB)
No Data
Radxa ROCK 5B (8GB)
3.7 kH/s
Multi Core
Milk-V Mars (4GB)
No Data
Radxa ROCK 5B (8GB)
21.76 kH/s

Memory Performance

Memory bandwidth and throughput benchmarks

PassMark RAM

Higher Scores are Better

RAM Score
Milk-V Mars (4GB)
No Data
Radxa ROCK 5B (8GB)
1,402

AI & LLM Performance

Large Language Model inference performance

Ollama LLM Benchmark

Higher Scores are Better

Tokens/sec
Milk-V Mars (4GB)
No Data
Radxa ROCK 5B (8GB)
0.21 tok/s
Tokens/Watt
Milk-V Mars (4GB)
No Data
Radxa ROCK 5B (8GB)
0.02 tok/W

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
Milk-V Mars (4GB)
11.9 MB/s
Radxa ROCK 5B (8GB)
No Data
4K Random Write
Milk-V Mars (4GB)
8.3 MB/s
Radxa ROCK 5B (8GB)
No Data

fio Storage Performance - eMMC

Higher Speeds are Better • Radxa eMMC (16GB eMMC)

4K Random Read
Milk-V Mars (4GB)
19.7 MB/s
Radxa ROCK 5B (8GB)
No Data
4K Random Write
Milk-V Mars (4GB)
25.6 MB/s
Radxa ROCK 5B (8GB)
No Data

Network Performance

Ethernet and WiFi throughput measured with iPerf3

iPerf3 Network Performance

Higher Speeds are Better

Ethernet Up
Milk-V Mars (4GB)
942 Mbps
Radxa ROCK 5B (8GB)
2,352 Mbps
Ethernet Down
Milk-V Mars (4GB)
941 Mbps
Radxa ROCK 5B (8GB)
2,358 Mbps

Power & Thermal

Power consumption at idle and under various workloads

Power Consumption

Lower is "Better"

Idle Power
Milk-V Mars (4GB)
No Data
Radxa ROCK 5B (8GB)
4.5W
Load Power
Milk-V Mars (4GB)
4W
Radxa ROCK 5B (8GB)
9.5W
Ollama Max
Milk-V Mars (4GB)
No Data
Radxa ROCK 5B (8GB)
14.7W
Linpack Max
Milk-V Mars (4GB)
4.6W
Radxa ROCK 5B (8GB)
19.2W

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