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Home » Cooler Master GeminII S524 CPU Cooler Review

Cooler Master GeminII S524 CPU Cooler Review

[nextpage title=”Introduction”]

The GeminII S524 is a horizontal CPU cooler from Cooler Master, with five heatpipes and a 120 mm fan. Let’s check it out.

The S524 box is simple, in the usual Cooler Master colors, as shown in Figure 1.

Cooler Master GeminII S524Figure 1: Package

Figure 2 shows what the box contains: the cooler itself, manual, installation hardware, and a small tube of thermal compound.

Cooler Master GeminII S524Figure 2: Accessories

This cooler is discussed in detail in the following pages.

[nextpage title=”The Cooler Master GeminII S524″]

In Figure 3, you see the cooler from the side. Notice that most of the cooler area has a good clearance (1.8” or 47 mm), which allows it to help cool the memory modules, while being compatible with models with a tall heatsink.

Cooler Master GeminII S524Figure 3: Side view

Figure 4 reveals the front of the heatsink, where you can see the tips of the five heatpipes.

Cooler Master GeminII S524Figure 4: Front view

Figure 5 presents the back of the cooler.

Cooler Master GeminII S524Figure 5: Rear view

A bottom view of the cooler is shown in Figure 6, where it is clear how small the base of the cooler is, compared with the size of the heatsink.

Cooler Master GeminII S524Figure 6: Bottom view

[nextpage title=”The Cooler Master GeminII S524 (Cont’d)”]

Figure 7 shows the top of the cooler, where the 120 mm fan is visible.

Cooler Master GeminII S524Figure 7: Top view

The base of the cooler is shown in Figure 8. It is well polished, providing an almost mirror-like look.

Cooler Master GeminII S524Figure 8: Base

In Figure 9, you can see the top of the heatsink, without the fan. The threaded holes are compatible with 120 mm fans (such as the one that comes with the cooler) but can also support 140 mm fans.

Cooler Master GeminII S524Figure 9: Without the fan

Figure 10 shows the fan that comes with the GeminII S524. It has a four-pin connector, which means it supports PWM speed control.

Cooler Master GeminII S524Figure 10: Fan

[nextpage title=”Installation”]

Figure 11 shows the base of the cooler with the clips used to install it on Intel systems.

Cooler Master GeminII S524Figure 11: Intel clips

Figure 12 reveals the clip for use with AMD processors (at the left), the universal backplate (at the right) and the nuts used to install the GeminII S524. Installation is simple: just put the cooler over the CPU, put the backplate on the solder side of the motherboard, then attach the nuts under the backplate.

Cooler Master GeminII S524Figure 12: Installation parts

In Figure 13, you see the Cooler Master GeminII S524 installed in our computer.

Cooler Master GeminII S524Figure 13: Installed in our case

[nextpage title=”How We Tested”]

We tested the cooler with a Core i7-860 CPU (quad-core, 2.8 GHz), which is a socket LGA1156 processor with a 95 W TDP (Thermal Design Power). In order to get higher thermal dissipation, we overclocked it to 3.3 GHz (150 MHz base clock and 22x multiplier), keeping the standard core voltage (Vcore), which was the maximum stable overclock we could make with the stock cooler. Keep in mind that we could have raised the CPU clock more, but to include the stock cooler in our comparison, we needed to use this moderate overclock.

We measured noise and temperature with the CPU idle and under full load. In order to get 100% CPU usage in all threads, we ran Prime 95 25.11 with the "In-place Large FFTs" option. (In this version, the software uses all available threads.)

We compared the tested cooler to the Intel stock cooler with a copper base (included with the CPU), as well as with other coolers. Note that in the past, we tested coolers with a socket LGA775 CPU, and we retested some "old" coolers with this new methodology. This means you can find different values in older reviews than the values you will read in the next page. Every cooler was tested with the thermal compound that accompanies it.

Room temperature measurements were taken with a digital thermometer. The core temperature was read with the SpeedFan program (available from the CPU thermal sensors), using an arithmetic average of the core temperature readings. During the tests, the left panel of the case was open.

The sound pressure level (SPL) was measured with a digital noise meter, with its sensor placed 4" (10 cm) from the fan. We turned off the case and video board cooler fans so they wouldn’t interfere with the results. This measurement is only for comparison purposes, because a precise SPL measurement needs to be made insid
e an acoustically insulated room with no other noise sources, which isn’t the case here.

Hardware Configuration

  • Processor: Core i7-860
  • Motherboard: Gigabyte P55A-UD6
  • Memory: 2 GB Markvision (DDR3-1333/PC3-10700 with 9-9-9-22 timings), configured at 1,200 MHz
  • Hard disk: Seagate Barracuda XT 2 TB
  • Video card: Zotac GeForce GTS 250
  • Video resolution: 1680×1050
  • Video monitor: Samsung Syncmaster 2232BW Plus
  • Power supply: Seventeam ST-550P-AM
  • Case: 3RSystem L-1100 T.REX Cool

Operating System Configuration

  • Windows 7 Home Premium 64 bit SP1

Software Used

  • Prime95
  • SpeedFan

Error Margin

We adopted a 2 °C error margin, meaning temperature differences below 2 °C are considered irrelevant.

[nextpage title=”Our Tests”]

The table below presents the results of our measurements. We repeated the same test on all coolers listed below. Each measurement was taken with the CPU at idle and at full load. In the models with a fan supporting PWM, the motherboard controlled the fan speed according to core load and temperature. On coolers with an integrated fan controller, the fan was set at the minimum speed on the idle test and at full speed on the full load test.

 

Idle Processor

Processor at Full Load

Cooler Room Temp. Noise Speed Core Temp. Noise Speed Core Temp.
Intel stock (socket LGA1156) 14 °C 44 dBA 1700 rpm 46 °C 54 dBA 2500 rpm 90 °C
Cooler Master Hyper TX3 G1 14 °C 47 dBA 2050 rpm 33 °C 56 dBA 2900 rpm 62 °C
Zalman CNPS10X Extreme 14 °C 45 dBA 1400 rpm 27 °C 53 dBA 1950 rpm 51 °C
Thermaltake Silent 1156 14 °C 44 dBA 1200 rpm 38 °C 49 dBA 1750 rpm 69 °C
Noctua NH-D14 14 °C 49 dBA 1250 rpm 27 °C 49 dBA 1250 rpm 53 °C
Zalman CNPS10X Performa 14 °C 46 dBA 1500 rpm 28 °C 52 dBA 1950 rpm 54 °C
Prolimatech Megahalems 14 °C 40 dBA 750 rpm 27 °C 60 dBA 2550 rpm 50 °C
Thermaltake Frio 14 °C 46 dBA 1450 rpm 27 °C 60 dBA 2500 rpm 50 °C
Prolimatech Samuel 17 14 °C 40 dBA 750 rpm 40 °C 60 dBA 2550 rpm 63 °C
Zalman CNPS8000A 18 °C 43 dBA 1400 rpm 39 °C 54 dBA 2500 rpm 70 °C
Spire TherMax Eclipse II 14 °C 55 dBA 2200 rpm 28 °C 55 dBA 2200 rpm 53 °C
Scythe Ninja3 17 °C 39 dBA 700 rpm 32 °C 55 dBA 1800 rpm 57 °C
Corsair A50 18 °C 52 dBA 1900 rpm 33 °C 52 dBA 1900 rpm 60 °C
Thermaltake Jing 18 °C 44 dBA 850 rpm 34 °C 49 dBA 1300 rpm< /td>

60 °C
GlacialTech Alaska 18 °C 43 dBA 1150 rpm 36 °C 51 dBA 1600 rpm 60 °C
Deepcool Gamer Storm 18 °C 43 dBA 1100 rpm 35 °C 48 dBA 1600 rpm 62 °C
Corsair A70 26 °C 56 dBA 1900 rpm 40 °C 56 dBA 1900 rpm 65 °C
Deepcool Ice Blade Pro 23 °C 45 dBA 1200 rpm 38 °C 52 dBA 1500 rpm 64 °C
AC Freezer 7 Pro Rev. 2 23 °C 47 dBA 1750 rpm 44 °C 51 dBA 2100 rpm 77 °C
Corsair H70 27 °C 60 dBA 1900 rpm 37 °C 60 dBA 1900 rpm 61 °C
Zalman CNPS9900 Max 27 °C 55 dBA 1600 rpm 38 °C 58 dBA 1750 rpm 63 °C
Arctic Cooling Freezer 11 LP 25 °C 45 dBA 1700 rpm 51 °C 49 dBA 1950 rpm 91 °C
CoolIT Vantage 26 °C 60 dBA 2500 rpm 37 °C 60 dBA 2500 rpm 62 °C
Deepcool Ice Matrix 600 25 °C 46 dBA 1100 rpm 41 °C 53 dBA 1300 rpm 69 °C
Titan Hati 26 °C 46 dBA 1500 rpm 40 °C 57 dBA 2450 rpm 68 °C
Arctic Cooling Freezer 13 27 °C 49 dBA 1950 rpm 41 °C 53 dBA 2300 rpm 70 °C
Noctua NH-C14 26 °C 52 dBA 1300 rpm 37 °C 52 dBA 1300 rpm 61 °C
Intel XTS100H 26 °C 49 dBA 1200 rpm 42 °C 64 dBA 2600 rpm 68 °C
Zalman CNPS5X SZ 23 °C 52 dBA 2250 rpm 38 °C 57 dBA 2950 rpm 69 °C
Thermaltake SlimX3 21 °C 50 dBA 2700 rpm 46 °C 50 dBA 2750 rpm 99 °C
Cooler Master Hyper 101 21 °C 50 dBA 2600 rpm 38 °C 57 dBA 3300 rpm 71 °C
Antec Kühler H2O 620 19 °C 52 dBA 1400 rpm 34 °C 55 dBA 1400 rpm 58 °C
Arctic Cooling Freezer 13 Pro 20 °C 46 dBA 1100 rpm 36 °C 49 dBA 1300 rpm 62 °C
GlacialTech Siberia 22 °C 49 dBA 1400 rpm 34 °C 49 dBA 1400 rpm 61 °C
Evercool Transformer 3 18 °C 46 dBA 1800 rpm 33 °C 51 dBA 2250 rpm 65 °C
Zalman CNPS11X Extreme 20 °C 51 dBA 1850 rpm 34 °C 56 dBA 2050 rpm 61 °C
Thermaltake Frio OCK 15 °C 44 dBA 1000 rpm 27 °C 64 dBA 2200 rpm 51 °C
Prolimatech Genesis 18 °C 49 dBA 1050 rpm 30 °C 49 dBA 1050 rpm 54 °C
Arctic Cooling Freezer XTREME Rev. 2 15 °C 41 dBA 1050 rpm 32 °C 44 dBA 1400 rpm 60 °C
NZXT HAVIK 140 16 °C 48 dBA 1250 rpm 29 °C 49 dBA 1250 rpm 55 °C
Antec Kühler H2O 920 18 °C 41 dBA 650 rpm 29 °C 64 dBA 2500 rpm 49 °C
Zalman CNP7X LED 18 °C 45 dBA 1950 rpm 33 °C 48 dBA 2150 rpm 58 °C
EVGA Superclock 14 °C 43 dBA 1300 rpm 27 °C 58 dBA 2350 rpm 47 °C
Evercool Transformer 4 15 °C 46 dBA 1500 rpm 26 °C 53 dBA 1950 rpm 52 °C
Xigmatek Dark Knight 18 °C 47 dBA 1700 rpm 30 °C 53 dBA 2150 rpm 57 °C
Xigmatek Aegir 15 °C 44 dBA 1500 rpm 27 °C 50 dBA 1950 rpm 52 °C
Cooler Master GeminII S524 16 °C 45 dBA 1300 rpm 29 °C 53 dBA 1800 rpm 58 °C

In the graph below, at full load you can see how many degrees Celsius hotter the CPU core is than the air outside the case. The lower this difference, the better is the performance of the cooler.

 Cooler Master GeminII S524

[nextpage title=”Main Specifications”]

The main specifications for the Cooler Master GeminII S524 CPU cooler include:

  • Application: Sockets 775, 1155, 1156, 1366, AM2, AM2+, AM3, AM3+, and FM1 processors
  • Dimensions: 5.7 x 5.7 x 4.1 inches (144 x 144 x 105 mm) (W x L x H)
  • Fins: Aluminum
  • Base: Nickel-plated Copper
  • Heat-pipes: Five 6 mm copper heat-pipes
  • Fan: 120 mm (compatible with 140 mm fans)
  • Nominal fan speed: 1,800 rpm
  • Fan air flow: 77.7 cfm
  • Maximum power consumption: Not informed
  • Nominal noise level: 31.6 dBA
  • Weight: 1.31 lbs (594 g)
  • More information: https://www.coolermaster.com
  • Average Price in the US: We couldn’t found this product being sold in the US.

[nextpage title=”Conclusions”]

The Cooler Master GeminII S524 may not present top-notch performance, but it performs very well for a horizontal cooler, while cooling the memories and the motherboard as well. Its clearance of 1.8” (47 mm) allows it to be compatible with most memory modules.

The level noise is good, thanks to its beautiful and efficient fan.

Being a good option for the user who wants to cool not only the CPU, but also the memory modules, the Cooler Master GeminII S524 receives our Silver Award.

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