Logic Supply CL100 Fanless Braswell NUC PC

Complete|Mobile Systems
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Energy Efficiency Comparison

Energy efficiency is one area that Logic Supply's PCs excel. The CL100 is quite thrifty with power, drawing just 7W at idle and 10~11W during 1080p video playback, slightly more than the ML100G-10. The N3150 has a slightly lower TDP but its second SODIMM may negate the difference.

The machine is advertised as suitable for 4K media playback but we didn't find this to be the case, at least not downscaled on a 1080p display. Both 4K content on YouTube (Chrome) and widely available 4K H.264-encoded MKVs (MPC-HC and VLC Player) stuttered on the CL100, with framerate drops, brief pauses, and sync issues. 1440p videos played smoothly albeit with high CPU usage, but 2160p seemed too demanding on the hardware. It's still possible that a better or more compatible set of CODECs could provide acceptable 4K video performance; we didn't try them all.

On heavy load, the power consumption again is similar to that of the ML100G-10.

Thermal Performance

System Measurements (Extended Use):
Logic Supply ML100G-10 (N2930)
System State
Avg. Core Temp
SSD Temp
Ext. Temp*
System Power (AC)
MPC-HC H.264 Playback
30°C
50°C
32°C
9W
TMPGEnc Video Encoding
34°C
59°C
35°C
11W
Resident Evil 5 Benchmark
38°C
59°C
39°C
14W
Logic Supply CL100 (N3150)
MPC-HC H.264 Playback
47°C
44°C
34°C
10W
TMPGEnc Video Encoding
50°C
51°C
35°C
11W
Resident Evil 5 Benchmark
51°C
57°C
38°C
15W
*measured at the hottest point of the exterior
Ambient temperature: 20°C.

As the CL100 has similar power requirements as the ML100G-10, there is a thermal cost to the CL100's lower profile design. Fortunately, it's not a particularly high price. Through three different extended usage cases (video playback, video editing, gaming), the CL100 exhibited higher CPU core temperatures with a difference of between 13°C and 17°C. It's a significant increase but the the temperature barely cracked 50°C so it's not particularly alarming. Furthermore, the SSD actually ran cooler and a similar level of heat radiated from the case exterior.

Boot Performance

For boot performance we record the time required to reach the Windows loading screen (we stop here because this is the point where the speed of the drive becomes a factor). Prior to this test, the BIOS/UEFI is optimized by setting the hard drive recognition and other delays set to minimum, taking care not to disable common functionality like full USB support, POST messages, etc.

Like many SFF systems, the CL100 boots up quickly, hitting the Windows loading screen in under nine seconds. Depending on how quickly the display wakes up from sleep, the POST screen may not even be visible.

Wireless Performance

Our wireless performance test is a simple timed 700 MB file transfer both ways to a gigabit-connected desktop on our lab's 802.11n network. There's nothing special about our setup as it consists of basic consumer networking gear.

The CL100's Atheros wireless adapter is somewhat slower than the ML100G-10's Intel NIC but it's does a solid enough job compared to previous WiFi enabled nettops and laptops. The average transfer speed was about 70 mbps up and downstream which puts the Brix Pro and ZBOX CI540 Nano to shame.



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