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Cooler Master MA824 Stealth vs DeepCool Assassin IV

We have reviewed several AIO coolers in recent months, some good and some less impressive. But today it’s the return of air coolers as we have two very similar spec and similarly priced dual tower air coolers to review. So instead of an individual review for each cooler, we are putting these two head to head to find out which one is the best.

Timestamps:

00:00 Start
00:37 Pricing
01:13 Assassin IV technical details
01:46 MA824 Stealth technical details
02:50 Assassin IV accessories box
03:37 MA824 Stealth accessories box
04:25 Assassin IV close look
07:37 MA824 close look
10:08 Installation process
11:55 Testing the coolers
12:25 Noise Output
12:53 Thermal performance / 40dBa
13:56 James thoughts on the coolers

The Cooler Master MA824 Stealth and DeepCool Assassin IV are very similar CPU coolers. They both have large dual aluminium fin stacks, solid copper CPU contact plates and come with two fans. However, the MA824 Stealth trumps the Assassin IV in one area, the Assassin IV has seven 6mm diameter heat pipes while the MA824 Stealth has eight superconductive composite heat pipes which could be the difference in performance between the two coolers, we will find out later in this review.

Both coolers also share similar MSRP pricing with the DeepCool Assassin IV being slightly cheaper out of the two with an MSRP of £84.99 while the MA824 Stealth is a little more at £89.99. If you look at online retailers you will find the Assassin IV selling at its MSRP but the best price currently for the MA824 Stealth seems to be a little above the MSRP at almost £100. So the Assassin IV has the edge when it comes to value for money but that doesn’t mean it’s the best buy, does it?

DeepCool Assassin IV Features:

  • Seven 6mm diameter heat pipes with a solid copper CPU contact plate.
  • Large dual aluminium heat sink fin stacks with a black coating for an elegant look and optimal airflow.
  • The cooler is equipped with 120mm and 140mm DeepCool FDB fans and a heatsink-mounted switch for swapping between performance and quiet fan modes.
  • The heat sink design allows for unobstructed RAM clearance on AMD AM4/AM5 and Intel LGA 1700/1200/115X desktop platforms with two fans installed.
  • Total height of 164mm for improved compatibility.
  • An optional 3rd fan bracket is included for users to add an additional 120mm fan if required.
  • 6-year warranty.

DeepCool Assassin IV Specification:

  • CPU Socket Compatibility – LGA1700, LGA1200, LGA1151, LGA1150, LGA1156, LGA1155, AM5, AM4
  • Dimensions (L x W x H) – 144×147×164 mm(L×W×H)
  • Heat Sink Material – 7 x Ø6mm Heat Pipes, Aluminium Fins
  • Fan Dimensions (L x W x H) – 140×140×25 mm(L×W×H) / 120×120×25 mm(L×W×H)
  • Fan Speed – 500-1700 RPM±10% (performance mode)
  • Fan Airflow – 1 CFM / 58.06 CFM (performance mode)
  • Fan Pressure – 44 mmH₂O / 2.1 mmH₂O (performance mode)
  • Fan Noise Level – ≤29.3 dB(A) (performance mode)
  • Fan Bearing Type – Fluid Dynamic Bearing
  • Fan Power Connector – 4-Pin (PWM)
  • Warranty – 6 years

MA824 Stealth Features:

  • MA824 Stealth is equipped with eight New Superconductive Composite heat pipes with different internal textures at the bottom and top of the heat pipe for improved heat dissipation – fine texture at the bottom on the evaporator side and coarse texture at the top on the condenser side.
  • Uses two fans – one 135mm central and a 120mm front Mobius series fan.
  • Large solid copper CPU contact plate and dual aluminium heat sink fin stack with an all-black stealth design coating.
  • 120mm front fan allows for a maximum RAM clearance of 42mm for improved compatibility.
  • High-performance Cooler Master thermal paste is pre-applied to the base of the cooler.
  • Compatible with all current desktop CPU platforms including Intel LGA1700/1200/115X and AMD AM4/AM5.
  • 5-year warranty.

Cooler Master MA824 Stealth Specification:

  • CPU Socket Compatibility – LGA1700, LGA1200, LGA1151, LGA1150, LGA1156, LGA1155, AM5, AM4
  • Dimensions (L x W x H) – 2 x 150.6 x 165.6 mm
  • Heat Sink Material – 8 Heat Pipes, Aluminium Fins
  • Fan Dimensions (L x W x H) – 135mm Fan: 135 x 135 x 26 mm, 120mm Fan: 120 x 120 x 25 mm
  • Fan Speed – 135mm Fan: 0-1550 RPM ± 15%, 120mm Fan: 0-1950 RPM ± 15%
  • Fan Airflow – 135mm Fan: 63.6 CFM (Max), 120mm Fan: 63.1 CFM (Max)
  • Fan Pressure – 135mm Fan: 1.92 mmH₂O, 120mm Fan: 2.69 mmH₂O
  • Fan Noise Level – 135mm Fan: 24.6 dBA (Max), 120mm Fan: 22.6 dBA (Max)
  • Fan Bearing Type – Loop Dynamic Bearing
  • Fan Power Connector – 4-Pin (PWM)
  • Warranty – 5 years

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