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Review: Enermax Liqtech 120X

by Parm Mann on 11 October 2013, 10:00

Tags: Enermax (8093.TWO)

Quick Link: HEXUS.net/qab3wf

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Specification and Test Methodology

To put CPU cooler performance into perspective we're testing using a high-end Intel Ivy Bridge system. A detailed description of our test bench and all comparison coolers can be found in the tables below.

Enermax Liqtech 120X Specification

Model ELC-LT120X-HP
Cold Plate Material Copper
Pump Bearing Ceramic Bearing
MTBF 50,000 hrs
Motor Speed 2500 rpm
Rated Voltage 12V
Rated Current 0.3A
Radiator Dimension 153 x 120 x 43 mm
Material Aluminium
Tube Material Rubber
Length 310 mm
Weight (w/o fan) 955 g
Bracket Intel Compatibility LGA 775/1150/1155/1156/1366/2011
AMD Compatibility AM2/AM2+/AM3/AM3+/FM1/FM2
Fan Dimension 120 x 120 x 25mm
Bearing Twister Bearing
MTBF 100,000 hrs
Speed 600-1300/2000/2500 rpm
Rated Voltage 12V
Rated Current 0.13A/0.27A/0.45A
Air Flow 28.6~60.3/88.9/111.0 CFM
48.5~102.4/150.9/188.7 m3/h
Static Pressure 0.8~1.7/4.7/7.4 mm-H2O
Noise Level 15~21.5/27/30 dBA
Connector 4 pin PWM
Warranty 2 years

Test Bench

Processor Intel Core i7-3770K (3.5GHz, 8MB cache, quad-core)
Motherboard Gigabyte GA-Z77X-UD5H
Memory G.Skill TridentX 8GB (2x4GB) DDR3 @ 2,400MHz
Graphics Sapphire Radeon HD 7950 OC 2GB
Disk drive Samsung SSD
Optical drive Generic 24x DVD-RW
Chassis Corsair Graphite Series 600T
Power supply Corsair AX750
Operating system Windows 7 Home Premium (SP1, 64-bit)

Comparison Coolers

  Fan(s) Fan speed Radiator dimensions Heatsink dimensions (inc. fans) Warranty
Arctic Cooling Freezer 13 Arctic Cooling PWM 92mm 600 RPM - 2,000 RPM - Height: 130mm
Width: 96mm
Depth: 123mm
6 Years
be quiet! Dark Rock Pro 2 1 x SilentWings PWM 120mm
1 x SilentWings PWM 135mm

1,500 RPM
1,700 RPM

- Height: 166mm
Width: 138mm
Depth: 147mm
3 Years
Corsair Hydro Series H60 Corsair 120mm 1,700 RPM Width: 120mm
Height: 152mm
Depth: 27mm
- 5 Years
Corsair Hydro Series H100 2 x Corsair 120mm 2,600 RPM Width: 275mm
Height: 122mm
Depth: 27mm
- 5 Years
Corsair Hydro Series H100i 2 x Corsair 120mm 2,700 RPM Width: 275mm
Height: 122mm
Depth: 27mm
- 5 Years
Enermax ELC240 2 x Enermax T.B.Silence 120mm 800 RPM - 2,200 RPM Width: 270mm
Height: 120mm
Depth: 32mm
- 5 Years
Enermax ETS-T40 White Cluster Enermax Cluster Advance 120mm 800 RPM - 1,500/1,800/2,200 RPM - Height: 160mm
Width: 93mm
Depth: 139mm
2 Years
Enermax Liqtech 120X 2 x Enermax 120mm 600 RPM - 1,300/2,000/2,500 RPM Width: 120mm
Height: 153mm
Depth: 43mm
- 2 Years
Intel Reference E97378-001 Intel PWM 92mm 1,200 RPM - 2,800 RPM - Height: 50mm
Width: 92mm
Depth: 92mm
1 Year
Noctua NH-U9B SE2 2 x Noctua NF-B9 92mm Standard: 1,600 RPM
Low Noise Adapter: 1,300 RPM
Ultra Low Noise Adapter: 1,000 RPM
- Height: 125mm
Width: 95mm
Depth: 120mm
6 Years
NZXT Havik 120 2 x NZXT FZ 120mm Standard: 1,500 RPM
Low Noise Adapter: 1,200 RPM
- Height: 160mm
Width: 125mm
Depth: 112mm
2 Years
Phanteks PH-TC14PE 2 x Phanteks PH-F140 140mm 700 RPM - 1,200 RPM - Height: 171mm
Width: 140mm
Depth: 159mm
5 Years
Sapphire Vapor-X 2 x Sapphire Dual-X 120mm 495 RPM - 2,200 RPM - Height: 164mm
Width: 135mm
Depth: 111mm
2 Years
SilverStone Heligon HE01 SilverStone 140mm Low Setting: 500 RPM - 1,200 RPM
High Setting: 500 RPM - 2,000 RPM
- Height: 165mm
Width: 150mm
Depth: 119mm
2 Years
Thermaltake Contac 39 2 x Thermaltake 120mm 800 RPM - 2,000 RPM - Height: 160mm
Width: 104mm
Depth: 120mm
2 Years

Benchmark Process

To get a feel for how well all of the above coolers compare, we start by running our Core i7-3770K at its default frequency and run Prime95's small FFT test to apply maximum load to all four cores/eight threads. This test is run for 15 minutes while temperature is logged and in order to provide a stabilised reading we then calculate an average temperature across all cores from the last five minutes of testing.

We then repeat the same test, only this time with the Core i7-3770K processor overclocked to a modest 4,4GHz, with voltage increased from 1.17V to 1.22V.

Actual CPU temperature is recorded, but to take into account any temperature fluctuations in our lab, we also graph the delta temperature - that's CPU temperature minus ambient temperature. And, last but not least, to give you an idea of cooler acoustics, we use a PCE-318 noise meter to measure overall system noise in both idle and load states.

Notes

To put the onus on the CPU coolers, our Corsair Graphite Series 600T chassis is set to run with two fans; a 200mm front intake and a 120mm rear exhaust. The top 200mm exhaust is disabled. Both chassis fans are set to run as 'silent' from within the Gigabyte BIOS, while each CPU cooler is set to a 'normal' profile.

Each cooler is configured for optimum performance as per the manufacturer's recommendations, and any fans connected to a radiator are configured to draw air in from outside the chassis (hereby ensuring that the delta between the air temperature and the temperature of the radiator is maximised).

For the duration of our temperature benchmarks, the Liqtech 120X's dual fans were set to their balanced profile, enabling speeds of up to 2,000RPM.