One for Mom — Joe
SUMMARY: One for Mom – barely.
The good guys at Evercool sent over their Evercool CUC-610 to test out. This is a copper base/aluminum fin forged heatsink – no solder joints between the base and fins.
The base
looks like an Alpha – nice copper insert, although there are discernible machining marks that could be polished out. The fins
are thin (about 0.25mm) and plentiful. Airflow through the heatsink is good. The blue plastic cap holds the fan above the fins, reducing noise somewhat.
The fan is an Everflow Model #EC6010HH12C – a 60 x 10mm unit rated at 20 cfm @ 4800 rpm. I found it to be tolerably quiet – I measured its noise at 57 dBA with a Radio Shack sound meter 8″ from the fan’s intake, substantially less than a Delta 38 (about 69 dBA). It’s also safe to use a motherboard fan header.
The clip requires a screwdriver to mount on the socket; once mounted, it’s secure.
In summary, a forged aluminum fin/copper base heatsink with a very secure, screwdriver-required clip.
The Evercool 610 was first tested on the CPU Die Simulator which gives results that are unaffected by motherboard influences. I then tested it on an Iwill KK266+, modified to read AMD’s on-die diode, as an example of what users might see on their systems.
| Heatsink | Die Temp | Ambient Temp | Delta | C/W |
| Evercool 610 | 57.5 C | 20.6 C | 36.9 C | 0.49 |
| CPU/Motherboard | CPU Die Temp | Ambient Temp | Delta | C/W | CPU Back Temp |
| Palomino 1200, Iwill KK266+ | 41.2 C | 21.7 C | 19.5 | 0.36 | 42.7 C |
¹In-socket thermistor per MBM: 31 C
C/W = Delta / CPU Watts
Interpreting C/W: For every watt (CPUw) that the CPU
consumes, the HSF will limit the CPU’s temperature rise to (C/W x CPUw)
plus the temperature at the HSF’s fan inlet. For example, at an ambient temp of 25 C, a C/W of 0.25 with a CPU radiating 50 watts means that CPU temp will increase 50 x 0.25 = 12.5 C over ambient temp, or 37.5 C. The lower the C/W, the better.
Die Simulator results place the Evercool 610 in the lower rank of heatsinks (Heatsink Ranking), barely above AMD’s retail heatsink.
What can I say? This is a very well made product that is not much better than less sophisticated designs. I can see using it in situations where height might be a problem and it is quiet. Could be a good one for Mom’s PC.
Thanks again to Evercool for sending this our way.
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