FrostyTech Mk.II Synthetic Thermal
Heatsink Test Results
AMD
Athlon64 / FX / X2 & Sempron class heatsinks
Results based on readings from a 38x38mm copper
interface die with 125W heat load on the K8 version of the Mk.II
Test Platform. Temperature results listed for each heatsink were
calculated by determining the rise over ambient temperatures at time
of test. Information on Frostytech's test methodology is available here. |
 |
| Socket 939/940/754 & AM2 compatible CPU
heatsinks | |
|
| manufacturer: |
model
no.: |
*fan
speed: |
125w thermal
test (°c) |
noise level (dba) |
|
| Thermalright |
Ultra-120 |
|
12.4 |
53.7 |
| AVC |
Z7U7414001 (stock AM2) |
high |
17.0 |
63.0 |
| Noctua |
NH-U12 |
|
17.5 |
45.4 |
| Gigabyte |
GH-PCU23-VE |
high |
17.5 |
65.6 |
| Gigabyte |
G-Power Pro |
high |
18.6 |
71.9 |
| Noctua |
NH-U9 |
|
18.8 |
58.4 |
| Apack |
Zerotherm BTF90 |
|
20.5 |
52.1 |
| Coolermaster |
Hyper6 |
high |
20.5 |
54.7 |
| Apack |
Zerotherm BTF80 |
|
21.3 |
51.9 |
| Thermaltake |
Venus 12 |
high |
21.7 |
68.1 |
| Cooljag |
SFO-Q |
high |
22.2 |
60.6 |
| ASUS |
Starice |
high |
22.8 |
67.4 |
| Zalman |
CNPS9500 AM2 |
high |
23.0 |
53.2 |
| Arctic Cooling |
Freezer 64 Pro |
|
23.2 |
50.9 |
| Coolermaster |
Aquagate Mini |
high |
23.2 |
59.2 |
| Thermaltake |
Polo 735 |
high |
23.4 |
68.0 |
| Cooljag |
SFO-H |
high |
23.6 |
60.6 |
| Alpha |
PAL-8150 |
|
23.7 |
58.9 |
| Zalman |
CNPS9500 LED |
high |
23.8 |
50.3 |
| Verax |
Helado |
|
24.3 |
36.3 |
| AVC |
Z7U3301001 (stock 939) |
high |
24.6 |
59.9 |
| Zalman |
CNPS8000 |
high |
24.8 |
57.4 |
| Gigabyte |
3D Cooler-Ultra |
high |
24.8 |
63.0 |
| OCZ |
Tempest |
|
26.0 |
51.6 |
| Scythe |
Shogun |
high |
26.0 |
45.9 |
| EKL |
V8 |
high |
26.3 |
57.5 |
| Thermalfly |
F1-IACSHA |
high |
26.6 |
60.4 |
| Zalman |
FS-C77 |
|
26.7 |
56.5 |
| Gigabyte |
3D Rocket-Pro |
high |
26.9 |
56.7 |
| Zalman |
CNPS7700-Cu |
high |
27.0 |
50.7 |
| Gigabyte |
3D Cooler-Pro |
high |
27.0 |
62.5 |
| nPowerTek |
NPH-Big K8 |
|
27.8 |
54.0 |
| Zalman |
CNPS7700-Cu LED |
high |
28.1 |
49.8 |
| Akasa |
AK-873 |
high |
28.2 |
59.2 |
| Spire |
SP601B3 |
|
28.3 |
48.9 |
| Ajigo |
MF064-074 |
high |
28.8 |
60.3 |
| Gigabyte |
3D-Rocket |
|
28.9 |
50.7 |
| Zalman |
CNPS9500 AM2 |
low |
29.2 |
36.0 |
| Vantec |
Mach1 |
high |
29.2 |
56.9 |
| CoolJag |
SFO-D(18SC) |
|
29.6 |
64.0 |
| Zalman |
CNPS9500 LED |
low |
29.7 |
36.2 |
| Antazone |
AS-C1000 |
|
30.2 |
57.6 |
| Arctic Cooling |
Alpine 64 |
|
30.5 |
43.9 |
| Zalman |
CNPS7000A-Cu |
high |
30.3 |
45.2 |
| Dynatron |
SK-V24 |
|
30.3 |
56.4 |
| Verax |
Quattro 1 |
high |
30.7 |
55.4 |
| Zalman |
CNPS7000-Cu |
high |
31.0 |
45.2 |
| Coolermaster |
Hyper48 |
|
31.7 |
43.6 |
| Scythe |
Kama SCKK1000 |
|
31.9 |
47.5 |
| Scythe |
Samurai SCSM1000 |
high |
32.1 |
51.6 |
| Zalman |
CNPS7000B-CU |
high |
32.3 |
44.9 |
| Thermaltake |
Silentboost K8 |
|
32.3 |
49.7 |
| Jetart |
JAX801 |
|
33.2 |
53.5 |
| Zalman |
CNPS7700-Cu |
low |
34.0 |
35.1 |
| Dynatron |
A22 |
|
34.5 |
44.5 |
| nPowertek |
NPH K8-1 |
|
34.6 |
52.2 |
| Ajigo |
MF043-044 (stock 754) |
|
35.0 |
45.4 |
| Zalman |
CNPS7700-Cu LED |
low |
35.6 |
34.9 |
| Arctic Cooling |
Silencer 64 Ultra TC |
|
37.5 |
55.5 |
| Gigabyte |
NeonCooler 8-BL |
|
37.7 |
42.0 |
| Titan |
TTC-K8ATB/825/SC |
|
38.7 |
63.1 |
| Zalman | CNPS8000 |
low |
39.0 |
36.4 |
| Akasa
|
AK-860SF |
|
39.4 | 45.2 |
|
Evercool |
K802-715 |
|
42.1 |
51.5 |
| Spire |
SP741B3 |
|
43.2 |
45.6 |
|
Zalman |
CNPS7000B-CU | low |
44.9 | 33.2 |
| Evercool |
Magic Cooler |
|
46.6 | 55.5
|
|
ASUS |
Starice |
low | 92.4+ |
34.4 |
| |
|
125w thermal
test (°c) |
noise level (dba) |
|
*heatsinks are ranked according to the 125w thermal
test results column (rise over ambient temp.). low temperatures with low
noise levels are considered best. for reference heatsinks with
variable-speed fans, only the high speed (12v) fan test result is included
in the comparison sheet; more detailed results reside in each specific
heatsink review. |
With a
125W heat load applied by the AMD K8 version
of the FrostyTech synthetic
thermal test platform, the Zalman CNPS7700-Cu
LED heatsink yields a good rise above ambient temperature result
of 28.1°C at its default fan speed, which generates about 49.8 dBA
noise. When we turn the dial of the Fan Mate2 all the down, so the 120mm
fan of the CNPS7700-Cu LED heatsink is spinning at 1000RPM, the
heatsink maintains
a temperature of 35.6°C
above ambient. At this lower fan speed, the heatsink is whisper quiet with
just 34.9 dBA noise.
Clearly, the Zalman
CNPS7700-Cu LED heatsink is well suited as a low noise heatsink on the K8 AMD
platform. Even at its default fan speed of 2000RPM, this Zalman heatsink performs well while
maintaining control on its noise levels.
The
results for this heatsink on the Intel LGA775 version of FrostyTech's synthetic thermal test platform are up
next. The heat output from Intel processors varies widely between single and
multi-core processors, so we've settled on two values which represent the upper
limit of both existing CPU families.
