PC Water Cooling

Cooler Master MasterLiquid Maker 92 Review: Palm-Sized Liquid Cooling

« Installation Procedure and Clearance Compatibility | Final Thoughts »

Test System and Benchmark Results

Test System:

Processor Intel Core i7-4770K (Retail)
Motherboard ASUS Maximus VI Gene Z87 Motherboard (1603 BIOS)
Memory Mushkin Stealth 1600MHz DDR3
Drive OCZ Agility 4 256GB SSD
Video Card Intel Integrated Graphics
Thermal Compound Noctua NT-H1
Case DimasTech Mini v1
Power Supply Corsair HX850W
Operating System Windows 7 x64 Pro

Test was conducted on a DimasTech MiniV1 open-air test-bench for parity performance between tower-style coolers and C-type downward or upward blowing coolers. Ambient temperature is measured at the fan intake and kept as constant as possible (room controlled temperature). All case and heat sink fans were benchmarked with fan control settings disabled and running at 100% unless otherwise specified.

To get closer to real world performance, a retail Intel i7-4770K CPU was used (non-delidded). Stock settings use a constant 1.1Vcore voltage while overclock settings use a constant 1.2Vcore voltage with EIST disabled (1.28Vcore OC test added for high-end air coolers). The Intel core i7-4770K integrated graphics was used for display output and no discrete graphics card was installed to prevent additional heat sources from contributing inside and outside the case. Multi-core enhancement is enabled in the BIOS by default and left on (ASUS Turbo Core policy used instead of Intel standard). Note that performance results on this setup are not directly comparable with any benchmarks from some of the previous reviews as the UEFI BIOS on the motherboard has been updated and now has a much tighter control on the Vcore voltage.

Mushkin Stealth DDR3 modules ensure full compatibility with any CPU cooler tested as its heatspreaders only add ~1.5mm to the standard JEDEC module height of 30mm compared to other modules which limit cooler compatibility.

Temperatures are averaged (last minute) from individual core temperature results monitored by AIDA64 after 15 minutes using the default CPU, FPU, Memory and Cache simultaneous load. AIDA64 is able to use the latest instructions including AVX and AVX2, etc unlike other older CPU load tests so it is also a lot more “future proof” as more software start to utilize it. FPU-only load average is used to simulate worst case scenario load levels similar to Intel Burn Test or OCCT. Please keep in mind that this test is brutal and not even close to real-world load (especially not that constant for that amount of time), so not many CPU coolers are expected to pass this test but the ones that do are exceptional. Results marked “100″ and in red means thermal limit was reached and the CPU was throttled, even for just but a second. This includes results where even just the first core reached the limit and even if it briefly happened. It is marked as 100 in red in the review if it happens three times. Three runs are conducted per cooler and a fourth run is done after a remounting to verify. Last minute average is taken instead of peak because it represents the averaged behaviour of the thermal performance instead of worst-case scenario or a snapshot. Temperature delta results are used to account for variance since not all heatsinks can be conducted on the same day.

aida
Screenshot of the Noctua NH-U9S under FPU-only load surviving 15-minute run in AIDA64. Getting the thermal behaviour presents a more accurate performance assessment than a single second snapshot or a mere peak temperature recording.

The Corsair HX850W power supply’s fans only ramp up when system load is past 20% making it an excellent power supply to use for when testing the CPU cooler’s noise levels. Any load under that and the fan does not spin at all, effectively acting in passive mode.

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The American Recording Technologies SPL-8810 meter is placed 20-inches/50cm from the source fan to measure sound level. The entire test unit is moved to an acoustically treated room to get the ambient noise as low as controllably possible for real-world results. All other fans are disabled to eliminate sound sources that are not from the cooling unit itself that is being tested. This includes all case fans and all other component fan is shut off. The boiler during winter or the air conditioner during summer is also shut off to eliminate ambient noise further and sound testing is conducted from 2AM to 5AM so sound traffic from the outside is minimized as much as possible. Fan levels are controlled manually via software and at a separate time from the temperature testing.

A FlirONE Thermal Imaging Camera was used to observe thermal behaviour under load. This is a lower-cost thermal imaging unit equipped with a low resolution thermal lens working in conjunction with a regular resolution camera lens to produces a composite image. Because of the FlirONE’s low resolution performance, it is not used as a benchmarking tool to measure temperature but rather a tool for observing thermal behaviour under load.

Comparison Coolers Tested:

Coolers Dimension (L x W x H) Fan Size (mm) Current List Price ($USD) Type
CM MasterLiquid Maker 92 99 x 81.6 x 167.5 (Vertical)

99 x 142 x 118.8 (Horizontal)

2 x 92 99 Compact All-in-one Liquid Cooler
be quiet! Dark Rock TF 162.58 x 140 x 130.8 2 x 140 77 High-end C-type
be quiet! Shadow Rock 2 147 x 122 x 160 1 x 120 47 Large Mainstream Tower
CM Hyper 212+ 120 x 79.7 x 158.5 1 x 120 29 Mainstream Tower
CM MasterAir Pro 3 61.5 x 108 x 140 1 x 92 39 Compact Mainstream Tower
CM MasterAir Pro 4 60 x 116 x 158 1 x 120 44 Mainstream Tower
CRYORIG H7 98 x 123 x 145 1 x 120 34 Mainstream Tower
Enermax ETS-T40Fit 126 x 40 x 161.7 1 x 120 39 Mainstream Tower
GELID GX-7 Rev. 2 130 x 80.8 x 159 1 x 120 (SLIM) 43 Mainstream Tower
Noctua NH-C14S 163 x 140 x 115 1 x 140 75 High-end C-type
Noctua NH-D9L 95 x 95 x 110 1 x 92 54 Compact dual-tower
Noctua NH-U12S 125 x 71 x 158 1 x 120 69 High-end Tower
Noctua NH-U9S 95 x 95 x 125 1 x 92 59 Compact High-end Tower
Raijintek Themis EVO 82 x 122 x 165 1 x 120 39 Mainstream Tower
Reeven Hans 81.5 x 133 x 155 1 x 120 36 Mainstream Tower
Silverstone AR01 75 x 120 x 159 1 x 120 34 Mainstream Tower
Silverstone TD03-SLIM 65 x 65 x 39.2 (block)

153 x 120 x 22 (radiator)

1 x 120 (SLIM) 65 Slim All-in-one Liquid Cooler

Temperature Benchmarks:

 Cooler Master MasterLiquid Maker 92 Benchmarks Overclocked

 Cooler Master MasterLiquid Maker 92 Benchmarks Overclocked

Thermal behaviour (white with red bias are the hot parts, black with blue bias are the colder parts):

VRM temperatures under AIDA64 LOAD after 15 minutes. Horizontal (Left) vs Vertical (Right) mounting:

Sound Profile (Fan RPM vs Noise Level) – Room ambient noise is 34.8dBA:

Fan Speed 2x 92mm Cooler Master FA029025L12LPB
RPM dBA
2600 41.1
2500 40.7
2400 39.4
2300 39.1
2200 38.8
2100 38.6
2000 38.4
1900 38.3
1800 38.3
1700 37.8
1600 37.7
1500 37.5
Pump-only 37.4

 

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