Building a high-performance PC in Singapore requires a top-notch CPU cooler to keep temperatures in check. CPU coolers have evolved to offer quieter operation and better cooling for today’s powerful processors. Whether you’re seeking the best CPU fan cooler for air cooling or the best AIO cooler for maximum heat dissipation, here are some of the most highly recommended ones across all categories.
Best air CPU coolers (air-cooled heatsinks)
Air coolers (often called CPU fan coolers or heatsinks) remain a popular choice thanks to their reliability and excellent performance for the price. The best air-cooled CPU coolers in 2025 can rival liquid coolers in cooling high-end CPUs, all while operating quietly.
Best performance: Noctua NH-D15 G2
Dual-tower flagship air cooler

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Noctua’s NH-D15 has long been the gold standard in air cooling, and the updated NH-D15 G2 continues that legacy. This dual-tower, twin-140mm fan cooler delivers performance on par with some 360mm liquid coolers while maintaining impressively low noise levels. Its massive heatsink uses eight heatpipes and two next-gen NF-A14 fans to whisk away heat even from overclocked high-TDP CPUs.
Despite its size, the NH-D15 G2 is designed with an asymmetrical fin stack to improve PCIe slot clearance and memory compatibility. If you want the best CPU heatsink for heavy-duty cooling with near-silent operation, the Noctua NH-D15 G2 is the top pick.
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High performance value: DeepCool AK620
Dual-tower value air cooler

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The DeepCool AK620 is a dual-tower heatsink that offers high-end cooling at a more wallet-friendly price. With a similar twin-tower design and dual 120mm fans, the AK620 can tame enthusiast CPUs at noise levels and temperatures comparable to those of the Noctua, all at a fraction of the price.
It features six copper heatpipes and a fin stack optimised for efficient airflow. Despite the heavy cooling potential (rated for ~260W TDP), the AK620 maintains a relatively compact footprint in its category.
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Best budget pick: Cooler Master Hyper 212 Halo Black
Mid-range air cooler

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The Cooler Master Hyper 212 Halo Black takes the legendary Hyper 212 design and updates it with a sleek black finish and an improved ARGB fan. It’s a tower-style heatsink with four direct-contact heatpipes and a 120mm Halo² series fan. It’s ideal for CPUs like Intel Core i5/i7 (non-K or mild OC) or AMD Ryzen 5/7, where you want solid cooling and quiet operation without spending a fortune. While not as massive as dual-tower coolers, the Hyper 212 is proven to be a big step up from stock CPU coolers, making it a top budget choice for mid-range builds.
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Best AIO liquid CPU coolers (all-in-one water coolers)
For those who want even more cooling potential or a cleaner look, AIO (all-in-one) liquid coolers are the way to go. The best AIO coolers in 2025 feature large radiators (240mm, 280mm, or 360mm) with multiple fans, providing superior heat dissipation for high-core-count and overclocked CPUs. Also, modern AIOs are maintenance-free, easy to install, and often come with RGB lighting or even LCD displays for customisation.
Best performance value: Arctic Liquid Freezer II 360 A-RGB
Exceptional thermal performance that rivals pricier options

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If you want an AIO that can handle overclocked flagship CPUs without costing a fortune, the Arctic Liquid Freezer II 360 A-RGB is a top choice. It’s often hailed as one of the best-value AIO liquid coolers on the market. This cooler delivers exceptional thermal performance – it’s rated up to 300W TDP, and in testing, it matches or beats many pricier competitors.
Arctic’s design features a thick 38mm, 360mm radiator and three high-static-pressure 120mm fans, plus a unique integrated VRM fan on the pump block for extra motherboard cooling. Despite the powerful cooling, it remains fairly quiet and comes with customisable A-RGB lighting on the fans for a bit of flair.
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Most high-end: Corsair iCUE H150i Elite (Capellix XT)
For reliability and bling

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Corsair’s iCUE H150i Elite series is a popular high-end AIO cooler line, known for strong cooling, vibrant RGB, and seamless integration with Corsair’s iCUE software ecosystem. The latest H150i Elite Capellix XT (360mm) features a split-flow copper cold plate and three ML120 or AF RGB Elite fans, which provide excellent static pressure and airflow. Its pump head sports addressable RGB LEDs, and some models even come with an LCD screen.
Rated around 290W TDP, the H150i can handle the hottest CPUs while keeping noise in check with its PWM fan curve. If you already have other Corsair RGB components, the H150i ties in nicely, and even by itself, it makes for a stunning build centrepiece.
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Top performing and most aesthetic: NZXT Kraken Elite 360
Visual showpiece with additional LCD display

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If you want your cooler to be both a high-performance device and a visual showpiece, the NZXT Kraken Elite 360 is as premium as it gets. This 360mm AIO not only delivers excellent cooling performance, but it also features NZXT’s signature 2.36-inch LCD screen on the pump block. This vibrant display can show real-time stats, custom images, or even GIFs, adding a unique personalisation to your PC build.
In terms of cooling, it’s easily capable of handling heavy loads, and NZXT’s build quality means solid reliability. It integrates with NZXT CAM software for controlling the LCD and fan curves. While the Kraken Elite is one of the more expensive AIOs, it combines form and function like no other, making it the best AIO cooler for enthusiasts who want the coolest-looking rig on the block.
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Best low-profile CPU coolers (SFF & HTPC builds)
Building a compact PC or a Home Theatre PC often means you need a low-profile CPU cooler that can fit in tight spaces. Low-profile coolers prioritise a shorter height (usually under ~70mm) to accommodate small form factor cases like Mini-ITX builds. Despite their small size, the best low-profile CPU coolers manage to cool modern CPUs efficiently without excessive noise.
Ultra-compact & quiet: Noctua NH-L9i / NH-L9a
37mm low-profile

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Noctua’s NH-L9i and NH-L9a are legendary in the SFF community. Standing only 37mm tall, including the fan, these coolers can fit in the smallest ITX cases – even those about the size of a shoebox. The NH-L9i is the Intel-oriented model, while the NH-L9a is the variant for AMD; both feature a compact heatsink, with Noctua’s incredibly quiet NF-A9x14 slim fan.
The NH-L9 series is not meant for overclocking or very high TDPs, but with appropriate CPUs, they provide adequate cooling with virtually silent operation. Ultimately, we’d recommend them mostly for ultra-small builds like mini HTPCs, small office PCs, or ITX gaming builds using efficient CPUs.
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Strong 92mm fan: Thermalright AXP90-X53
53mm low-profile

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Thermalright has made a strong comeback in the cooling market, and their AXP90 series offers excellent low-profile options. The AXP90-X53 uses a four-heatpipe design with a dense fin stack and a 92mm slim fan. Despite its small size, the AXP90-X53 can handle surprisingly high thermal loads for an ITX cooler. It’s ultimately a great choice for those who need something shorter than a standard tower cooler but also more capable than the ultra-mini coolers.
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120mm fan for higher cooling: ID-Cooling IS-55 ARGB
57mm low-profile

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ID-Cooling has made a name for themselves by offering budget-friendly coolers that perform impressively, and the IS-55 ARGB continues that trend – it’s often touted as one of the best low-profile coolers under 60mm tall. This cooler is unique among our low-profile picks because it uses a 120mm fan on a low-profile heatsink with five heatpipes. The result is a cooler that covers more area and can push more air at lower RPMs, which helps cooling performance significantly.
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Which is better: Air or liquid CPU coolers?
Both air coolers and AIO liquid coolers are popular options for keeping your processor’s temperature in check. An air cooler – essentially a CPU fan cooler attached to a metal heatsink – uses one or more fans to blow air through finned metal fins and dissipate heat. A liquid cooler, on the other hand, pumps fluid through tubes to a radiator to carry heat away. In practice, both methods can cool modern CPUs effectively, and the question of which is “better” really comes down to your priorities and system needs
Category | Air CPU coolers (Fan/Heatsink) | Liquid CPU coolers (AIO) |
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Have you gotten wind of the best CPU coolers yet?
Whether you’re a first-time builder or a seasoned enthusiast, picking the best CPU coolers really depends on your priorities. At the end of the day, the best choice is one that matches your use case, fits your case dimensions, and fits your budget. Ready to put your new cooler to work? You might also enjoy our guide on how to build a PC from scratch – perfect if you’re planning your first full setup. And if you need more help on PC components, here are some of the best graphics cards you can go for!