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Raijintek Ereboss Review - Testing and Results

Testing and Results

We place our test rigs under load using the Small FFTs stress test in the free application Prime95, as this test is designed to place maximum load on the CPU and minimum load on the system's memory. We use the freeware application Core Temp to measure the temperature of our CPUs, as it reads data from the DTS (digital thermal sensor) embedded inside each core of Intel's modern processors and thus provides as accurate a reading as possible. We always take the temperature of the hottest core for consistency, and do so after 15 minutes of the Prime95 test, which is enough time for temperatures to plateau.

The results provided are the delta T results; the difference between the recorded CPU temperature and ambient temperature at the time of testing. Our labs are not temperature controlled, so this provides the most accurate method of comparison for coolers tested on different days.

Any cooler that causes one of our CPUs to hit its Tj Max, the maximum temperature at which the CPU will operate before downclocking itself, is considered a fail. If a cooler has multiple available fan speeds, we retest at appropriate speeds to highlight the differences. Unless otherwise stated, closed loop liquid coolers are installed with their fans as exhausts. Finally, any cooler that is PWM (pulse width modulation) capable is tested both at full speed and using our LGA1155 motherboard's standard PWM setting, with both results posted if there's a difference.

Intel LGA1155 Test System
  • Intel Core i7-2600K overclocked to 4.4GHz (44 x 100MHz) using a vcore of 1.275V
  • Asus Maximus V Formula
  • 2 x 2GB Crucial Ballistix 1,600MHz low-profile RAM
  • PNY Performance 60GB SSD
  • Corsair HX750W PSU
Intel LGA2011 Test System
  • Intel Core i7-3960X Extreme Edition overclocked to 4.2GHz (37 x 113.5MHz) using a vcore of 1.275V
  • Asus P9X79 Pro
  • 4 x 4GB G.Skill Ripjaw 1,6000MHz RAM
  • Samsung SSD 830 128GB
  • Enermax Revolution 87+ 750W PSU
Both systems run Windows 7 64-bit, are built inside a Corsair Carbide 500R and use an AMD ATI Radeon HD 5770 1GB. Coolers are tested with both of the case's side panels fully attached and with its two 120mm front intake fans and rear 120mm exhaust fan operating at consistent speeds, providing interior airflow that is more realistic than a benchtable or our previous set-up. The cases have been cable tidied and had their front drive cages removed to optimise airflow.

Intel LGA1155 CPU delta T

Arranged by 100 per cent CPU load delta T value

  • NZXT Kraken X60 (Maximum profile)
  • Corsair H110
  • Corsair H100i (Maximum profile)
  • Thermalright SilverArrow SB-E Extreme
  • Antec Kühler H2O 920 (Extreme profile)
  • NZXT Kraken X60 (Silent profile)
  • Phanteks PH-TC14PE
  • NZXT Kraken X40 (Maximum profile)
  • SilverStone Tundra TD02
  • Alpenföhn K2 Mount Doom
  • Corsair H80i (Maximum profile)
  • Corsair H100i (Balanced profile)
  • Noctua NH-D14
  • Thermalright Archon SB-E X2
  • SilverStone Tundra TD02 (PWM)
  • Noctua NH-D14 (low noise adaptor)
  • Raijintek Ereboss (dual fan)
  • Thermalright SilverArrow SB-E Extreme (PWM)
  • Zalman Reserator 3 Max
  • Corsair H80i (Balanced profile)
  • Phanteks PH-TC14PE (PWM)
  • Raijintek Ereboss (dual fan PWM)
  • Raijintek Ereboss
  • SilverStone Argon AR01
  • SilverStone Tundra TD03
  • Alpenföhn K2 Mount Doom (PWM)
  • Cooler Master Seidon 120M
  • Corsair H90
  • Noctua NH-D14 (PWM)
  • SilverStone Tundra TD03 (PWM)
  • Thermalright Archon SB-E X2 (PWM)
  • Antec Kühler H2O 920 (Silent profile)
  • Corsair H80i (Quiet profile)
  • Corsair H100i (Quiet profile)
  • Raijintek Ereboss (PWM)
  • Thermalright True Spirit 120M
  • Gelid GX-7 Rev. 2
  • Alpenföhn K2 Mount Doom (7V adaptor)
  • Noctua NH-D14 (PWM; low noise adaptor)
  • NZXT Kraken X40 (Silent profile)
  • Phanteks PH-TC12DX
  • SilverStone Argon AR01 (PWM)
  • Zalman Reserator 3 Max (PWM)
  • Gelid GX-7 Rev. 2 (PWM)
  • Gelid The Black Edition
  • Thermalright True Spirit 120M (PWM)
  • Gelid The Black Edition (PWM)
  • Arctic Cooling Freezer i30
  • Gelid Tranquillo Rev. 2
  • Thermalright AXP-100
  • Thermalright AXP-100 (PWM)
  • Zalman FX100 Cube
  • Intel Stock Cooler
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Delta T (°C) (lower is better)

Intel LGA2011 CPU delta T

Arranged by 100 per cent CPU load delta T value

  • SilverStone Tundra TD02
  • NZXT Kraken X60 (Maximum profile)
  • Corsair H100i (Maximum profile)
  • Phanteks PH-TC14PE
  • Corsair H80i (Maximum profile)
  • Corsair H110
  • Thermalright SilverArrow SB-E Extreme
  • Antec Kühler H2O 920 (Extreme profile)
  • Thermalright Archon SB-E X2
  • Corsair H100i (Balanced profile)
  • Noctua NH-D14
  • SilverStone Tundra TD03
  • Alpenföhn K2 Mount Doom
  • Corsair H80i (Balanced profile)
  • NZXT Kraken X60 (Silent profile)
  • SilverStone Argon AR01
  • Antec Kühler H2O 920 (Silent profile)
  • Noctua NH-D14 (low noise adaptor)
  • Corsair H100i (Quiet profile)
  • Zalman Reserator 3 Max
  • Cooler Master Seidon 120M
  • NZXT Kraken X40 (Maximum profile)
  • Corsair H90
  • Phanteks PH-TC12DX
  • Arctic Cooling Freezer i30
  • Corsair H80i (Quiet Profile)
  • Gelid The Black Edition
  • Raijintek Ereboss
  • NZXT Kraken X40 (Silent profile)
  • Alpenföhn K2 Mount Doom (7V adaptor)
  • Thermalright True Spirit 120M
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Delta T (°C) (lower is better)

Read our performance analysis on the next page.