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Zalman CNPS7000A-AlCu
Page 2 - Performance Results
Author: Dan Podhola (WebMasterP)
Date: November 04, 2003
Category: Cooling
Options: Printable Version 12 pt Times New Roman 10 pt Times New Roman 12 pt Tahoma 10 pt Tahoma


Noise levels for the CNPS7000A were very low. Both high and low fan speeds provided very quiet operation. Unless your work space is perfectly silent, there is little chance you will be able to hear the fan. Here are the brief system specifications.

Test Machine
CPU AMD Athlon 1800+
Motherboard EPoX 8RDA
Case Closed Case, 2 Case Fans, standard intake and exhaust

Ambient temperature for all tests was held steady at 24.8°C. Temperatures were taken after 15 minutes of idle and after 15 minutes of load. Idle temperatures were taken first and then load temperature measurements followed. Load was created by running Folding@Home concurrently with a looped movie clip. Temperatures were recorded with the on-board thermal probe located underneath CPU in the center of the socket.

Heatsink Performance
Idle (Celsius)
Volcano 11+ (Fan Low)
OCZ Gladiator 3 (LED Fan)
Zalman CNPS7000A-AlCu (Fan Low)
AVC Avalanche
Zalman CNPS6000-Cu (Fan High)
Volcano 11+ (Fan High)
Zalman CNPS7000A-AlCu (Fan High)
50
41
40
40
40
38
36
 |
0
 |
8.6
 |
17.2
 |
25.8
 |
34.4
 |
43
 |
51.6

These results are impressive. Even at low fan speed the CNPS7000A hangs around in the middle of the pack despite the noise level being much less.

Heatsink Performance
Load (Celsius)
Volcano 11+ (Fan Low)
OCZ Gladiator 3
AVC Avalanche
Zalman CNPS6000-Cu (Fan High)
Zalman CNPS7000A-AlCu (Fan Low)
Volcano 11+ (Fan High)
Zalman CNPS7000A-AlCu (Fan High)
58
47
46
46
44
43
39
 |
0
 |
9.9
 |
19.8
 |
29.7
 |
39.6
 |
49.5
 |
59.4

Load performance for the CNPS7000A-AlCu is nothing short of astounding. The high fan setting for the CNPS7000A-AlCu is many times quieter than the Volcano 11+ (inaudible versus loud). Despite the noise difference, the CNPS7000A-AlCu outperforms its closest competitor, the Volcano 11+, by 4°C.

Page 1
Conclusion, Thoughts



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