Thermalright 53mm Low Profile ITX CPU Cooler vs Thermalright 47mm Low-Profile CPU Cooler: Spec Comparison
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You are comparing the thermalright axp90 x53 low profile itx vs axp90 x47 black low profile. Both coolers use four 6mm heat pipes and a 92mm fan for small ITX builds. They share the same AGHP technology and mounting hardware for modern sockets. The main difference is height. The X53 stands 53mm tall. The X47 is shorter at 47mm. This height change affects clearance and fitment in tight cases.
Key differences
| Aspect | Thermalright 53mm Low Profile ITX CPU Cooler | Thermalright 47mm Low-Profile CPU Cooler |
|---|---|---|
| Cooler Height | 53mm | 47mm |
| Color | Not listed | Black |
| Socket Compatibility | LGA1150/1151/1155/1156/1200/1700/1851, AM4/AM5 | LGA1150/1151/1200/1700/1851, AM4/AM5 |
| Fan Model | TL-9015 | TL-9015B |
| Dimensions (LxWxH) | 3.72 x 3.74 x 2.09 inches | 3.74 x 3.74 x 1.26 inches |
Which one should you choose?
Choose Thermalright 53mm Low Profile ITX CPU Cooler if
- You need maximum RAM clearance with a standard 53mm height.
- You want the slightly larger heatsink surface area for better heat dissipation.
- You require support for older LGA1155 and LGA1156 sockets.
Choose Thermalright 47mm Low-Profile CPU Cooler if
- You have very low profile cases under 50mm clearance.
- You prefer a black finish to match dark PC builds.
- You need the most compact footprint possible for tight ITX layouts.
Verdict: Choose the X53 if you need slightly more cooling capacity and support for older Intel sockets. Pick the X47 Black if your case height is strictly limited or you want a darker aesthetic. Both offer reliable low-profile performance for ITX systems.
Height and Fan Specs Comparison
Cooler Height
The Thermalright AXP90-X53 stands at 53mm tall, while the AXP90-X47 Black is shorter at 47mm. This 6mm difference matters for tight cases. You need to check your chassis clearance before choosing. The X47 fits more small form factor builds. The X53 offers slightly more fin surface area due to extra height. Both are low-profile designs. Your choice depends on available vertical space. Measure your case limits carefully. The shorter cooler is more versatile for mini-ITX systems with strict height constraints. The taller one may cool slightly better if space allows.
Fan Specifications
Both coolers include a 92mm fan. The X53 uses the TL-9015 fan with 42.58 CFM max airflow and 1.33 mmH2O max static pressure. It runs at 2700 RPM and produces 22.4 dB noise. The X47 Black uses the TL-9015B fan. It also reports noise levels under 22.4 dB. The X53 lists specific airflow and pressure numbers. The X47 data does not list CFM or pressure values. The X53 fan runs at a fixed max speed in the specs. Both use PWM connectors. The X53 has more detailed fan performance data available.
Heat Pipe Design
Both coolers feature four 6mm heat pipes. They both use AGHP technology to solve inverse gravity effects. This helps maintain cooling performance in vertical or horizontal orientations. The pipes are secondary welded to the fins on both units. This process improves heat transfer efficiency. The X53 uses pure copper for the base and pipes. The X47 Black uses a black nickel plating process for corrosion resistance. Both designs aim for low thermal resistance. The heat pipe count and technology are identical. There is no difference in the core heat transfer mechanism.
Socket Compatibility
The X53 supports Intel LGA1150, 1151, 1155, 1156, 1200, 1700, and 1851. It also supports AMD AM4 and AM5. The X47 Black supports Intel LGA115x, 1200, 1700, and 1851. It also supports AMD AM4 and AM5. Both cover modern platforms. The X53 lists older LGA sockets like 1155 and 1156. The X47 groups these as LGA115x. Both require a backplate for AMD installation. The mounting hardware is included for both. Compatibility is nearly identical for current systems. The X53 lists more specific legacy socket support.
Physical Dimensions
The X53 measures 94.5mm by 95mm by 53mm. It weighs 1.1 pounds. The X47 Black measures 95mm by 95mm by 47mm. It also weighs 1.1 pounds. Both have the same width and length. The only difference is height. The X53 is slightly wider in the spec sheet (95mm vs 95mm, but listed as 3.74 inches for both). The X47 is listed as 3.74 inches width and length. The X53 is 3.74 inches wide and 3.72 inches long. The dimensions are effectively the same. The weight is identical. The footprint on the motherboard is the same. You can swap them without changing case layout.
Choose your ideal low profile cooler
User with tight 47mm clearance limits
The Thermalright AXP90-X47 Black stands at just 47mm tall. This compact height allows installation in cases with minimal CPU cooler clearance. You get the same four 6mm heat pipes and AGHP technology as the larger model. The 92mm fan provides quiet operation at 22.4 dBA. It fits most modern Intel and AMD sockets. This choice prioritizes physical fit over extra cooling headroom.
User needing extra cooling capacity
The Thermalright AXP90-X53 offers 53mm of height, providing 6mm more space for airflow compared to the X47. This extra volume can help dissipate heat more effectively under load. It uses the same four 6mm copper heat pipes and AGHP technology. The included 92mm PWM fan runs up to 2700 RPM. You gain better thermal performance if your case allows the additional height.
User wanting standard black finish
The Thermalright AXP90-X47 Black comes with a black nickel plating process. This finish offers corrosion resistance and acid alkali resistance. It provides a uniform dark aesthetic for your build. The cooler maintains the same internal specs as the standard version. You get four 6mm heat pipes and a 92mm fan. The black color matches many ITX cases and motherboards without needing additional painting or modification.
The products compared
Thermalright 53mm Low Profile ITX CPU Cooler
Best for: ITX builds with tall RAM modules
- Socket Compatibility
- AM4, AM5, LGA1150/1151/1200/1700/1851
- Cooler Height
- 53mm
- Heat Pipes
- 4
- Tower Design
- Low-Profile
- Fan Size
- 92mm
- Fan Speed
- 2700 RPM
View on Amazon: Thermalright 53mm Low Profile ITX CPU Cooler Affiliate link
The Thermalright AXP90 X53 is a 53mm low-profile CPU air cooler designed for ITX builds. It features a 92mm fan, a pure copper base, and four 6mm heat pipes using AGHP technology. The unit measures 94.5 by 95 by 53mm and supports Intel LGA1700/1851 and AMD AM4/AM5 sockets. It delivers up to 42.58 CFM of airflow at 2700 RPM with 22.4 dB noise. This cooler suits small chassis where memory clearance is a concern.
Pros
- 53mm height fits tight ITX cases
- Pure copper base and four heat pipes
- AGHP technology for consistent cooling orientation
- Supports Intel LGA1700 and AMD AM5
Cons
- Larger 53mm height than the 47mm alternative
- Heavier build at 1.1 pounds
- Requires motherboard backplate for AMD installation
Good fit if
- You need extra clearance for tall RAM modules
- You are building a compact ITX PC
- You want a pure copper base for heat transfer
Skip if
- You require the absolute lowest profile possible
- You have extremely limited weight tolerance for the motherboard
- You prefer a cooler that does not need a backplate on AMD
Verdict: Thermalright AXP90 X53 53mm Low Profile Cooler offers robust cooling capacity for users who prioritize RAM clearance over minimal height. It is the better fit for ITX builders with tall memory sticks or those who need the extra thermal headroom provided by its larger heatsink volume.
Thermalright 47mm Low-Profile CPU Cooler
Best for: ITX builds with strict height limits
- Socket Compatibility
- AM4, AM5, LGA115x/1200/1700/1851
- Cooler Height
- 47mm
- Heat Pipes
- 4
- Tower Design
- Low-Profile
- Fan Size
- 92mm
- System Type
- ITX
View on Amazon: Thermalright 47mm Low-Profile CPU Cooler Affiliate link
This Thermalright AXP90-X47 is a low-profile air cooler designed for ITX builds. It stands 47mm tall with a 92mm fan and four 6mm heat pipes. The black nickel-plated base offers corrosion resistance. It supports Intel LGA 115x/1200/1700/1851 and AMD AM4/AM5 sockets. You should choose this if your case requires a cooler under 50mm height.
Pros
- 47mm total height fits tight ITX cases
- Four 6mm heat pipes for heat transfer
- Black nickel plating for corrosion resistance
- Supports Intel LGA 1700 and AMD AM5 sockets
Cons
- 47mm height is shorter than the 53mm alternative
- Single 92mm fan may limit high-end cooling
- No RGB lighting or software control listed
Good fit if
- You need a cooler under 50mm height
- You are building a compact ITX PC
- You use Intel 1700 or AMD AM5 sockets
Skip if
- You require a cooler taller than 50mm
- You need RGB lighting for your build
- You have a large ATX case with room for bigger coolers
Verdict: Thermalright AXP90-X47 Low Profile Cooler is a compact solution for small form factor builds. It fits cases requiring less than 50mm clearance and supports modern sockets.
Specifications side by side
| Spec | Thermalright 53mm Low Profile ITX CPU Cooler | Thermalright 47mm Low-Profile CPU Cooler |
|---|---|---|
| Socket Compatibility | AM4, AM5, LGA1150/1151/1200/1700/1851 | AM4, AM5, LGA115x/1200/1700/1851 |
| Cooler Height | 53mm | 47mm |
| Heat Pipes | 4 | 4 |
| Tower Design | Low-Profile | Low-Profile |
| Fan Size | 92mm | 92mm |
| Fan Speed | 2700 RPM | not stated |
| System Type | ITX | ITX |
| Color | AXP90 X53 | Black |
| Features | Fan | Fan |
| Dimensions | 3.72 × 3.74 × 2.09 inches | 3.74 × 3.74 × 1.26 inches |
| Weight | 1.1 pounds | 1.1 pounds |
| Size | 53mm | Height 47mm |
| Model | AXP90 X53 | AXP90 X47 BLACK |
Frequently asked questions
Which cooler is better for ITX builds with tall RAM?
The Thermalright AXP90 X53 is the better fit for systems with tall memory sticks. Its 53mm height provides robust cooling capacity while prioritizing RAM clearance. You gain extra thermal headroom from its larger heatsink volume. This makes it ideal if you need to accommodate high-profile memory modules without compromising stability.
Does the AXP90 X47 fit in cases under 50mm?
Yes, the Thermalright AXP90-X47 Black is designed for cases requiring less than 50mm of clearance. It stands at 47mm tall, allowing installation in tight small form factor builds. You get a compact solution that supports modern sockets while maintaining a low profile for restricted chassis dimensions.
What sockets does the 47mm model support?
The Thermalright AXP90-X47 supports AM4, AM5, LGA 1851, LGA 1200, LGA 1150, and LGA 1151. It mounts securely to these platforms for modern CPU compatibility. You can use it across a wide range of Intel and AMD systems without needing separate mounting hardware for each socket type.
Are both coolers the same weight?
Yes, both the AXP90 X53 and AXP90-X47 Black weigh 1.1 pounds. This identical weight ensures similar load distribution on your motherboard. You do not need to worry about one model being significantly heavier than the other when mounting them in your ITX case.
What is the width of these coolers?
Both coolers share a width of 3.74 inches. This consistent dimension helps them fit standard ITX motherboard layouts. You can expect similar lateral clearance requirements for both models when planning your build layout and ensuring no interference with nearby components.
Is the X53 better for thermal performance?
The AXP90 X53 offers robust cooling capacity due to its larger heatsink volume. Its 53mm height allows for more thermal mass compared to the 47mm model. You get better thermal headroom if you prioritize cooling performance over minimal height constraints in your system design.
Does the X47 come with a fan?
Yes, the Thermalright AXP90-X47 Black includes a fan as part of its features. It is a complete low-profile solution ready for installation. You do not need to source a separate fan to make it functional, as it is integrated into the cooler design for optimal airflow.
Which model is black in color?
The Thermalright AXP90-X47 Black is the model available in black. The X53 is listed as AXP90 X53 without a specific color designation in the provided data. You should choose the X47 if you prefer a black finish to match your system aesthetic.