ARCTIC Liquid Freezer III Pro 240 vs DeepCool AK620 DIGITAL

Researched, not hands-on tested.How we review ›

all judged against CPU coolers at a similar price

The ARCTIC Liquid Freezer III Pro 240 scores 8.1/10 overall, ahead of the DeepCool AK620 DIGITAL at 6.9/10.

The ARCTIC Liquid Freezer III Pro 240 leads on cooling, noise, value and build and installation.

They score the same on compatibility and fit.

ARCTIC Liquid Freezer III Pro 240

8.1/10verdict: buy

The ARCTIC Liquid Freezer III Pro 240 is for builders who want strong cooling from a 240 mm all-in-one liquid cooler. It suits Intel LGA1851 and LGA1700 systems as well as AMD AM5 and AM4 builds. It is best for people who have checked their case can take a 38 mm thick radiator.

Typically about £59.99 in the UK when we researched itSearch Amazon UK

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

DeepCool AK620 DIGITAL

6.9/10verdict: good, not the best

The AK620 DIGITAL is for builders who want a large dual-tower air cooler for a current Intel or AMD desktop. It suits anyone who values strong cooling and a visible temperature or load readout in the case. It is best for people willing to set a custom fan curve to manage noise.

Typically about £52.99 in the UK when we researched itSearch Amazon UK

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Scores, criterion by criterion

Criterion	Weight	ARCTIC Liquid Freezer III Pro 240	DeepCool AK620 DIGITAL
Cooling	35%	9/10	8/10
Noise	25%	7/10	5/10
Compatibility and fit	15%	7/10	7/10
Value	15%	9/10	8/10
Build and installation	10%	8/10	6/10
Overall		8.1/10	6.9/10

Specifications

Spec	ARCTIC Liquid Freezer III Pro 240	DeepCool AK620 DIGITAL
Type (tower air cooler, low-profile air, or AIO liquid with radiator size)	AIO liquid, 240 mm radiator	Dual-tower tower air cooler with six 6mm copper heatpipes
Supported sockets (e.g. AM5, AM4, LGA1851, LGA1700)	Intel LGA1851 and LGA1700; AMD AM5 and AM4	Intel LGA2066/2011-v3/2011/1851/1700/1200/1151/1150/1155 and AMD AM5/AM4
Height in mm (air coolers) or radiator size in mm (AIO)	Radiator 277 × 120 × 38 mm (L × W × H)	162 mm overall (heatsink alone 157 mm)
Rated cooling capacity (W TDP)	not listed	260 W (retailer figure, not confirmed by manufacturer)
Fans included and their size	2 × P12 Pro, 120 mm, 600–3000 rpm, 77 cfm, 6.9 mmH2O, fluid dynamic bearing, 4-pin PWM; pump 800–2800 rpm; VRM fan 400–2500 rpm	Two 120 × 120 × 25 mm PWM fans, 500–1850 RPM, fluid dynamic bearings
Noise level (dBA)	not listed	28 dBA full-load maximum
Warranty (years)	6 years	3 years, limited

Strengths and weaknesses

ARCTIC Liquid Freezer III Pro 240

+ Tom's Hardware calls it the strongest AIO it has tested
+ Noise-normalised result ties for the best the reviewer has seen
+ Pre-applied MX-6 paste, pre-installed fans and a 6-year warranty
− Pump can be louder than some users prefer at full speed
− 38 mm radiator means checking case clearance first
− Some owners find noise only good, not exceptional

Skip it if:

Buyers whose case may not have room for a 38 mm thick radiator.
Anyone who wants a completely silent PC sitting close to their desk.
People who prefer an air cooler over any liquid-cooled setup.

Read the full ARCTIC Liquid Freezer III Pro 240 review ›

DeepCool AK620 DIGITAL

+ Best air-cooler result in APH Networks' test
+ Wide socket support including LGA1851, LGA1700 and AM5
+ Three-year limited warranty
− Reviewers measured 43.4 to 53 dBA under load
− Struggled with a 150W Ryzen 9 7900X at low revs
− Display shows only CPU temperature or load

Skip it if:

Buyers building a very quiet system who will not tune fan curves
Anyone with a compact case that cannot fit a 162 mm cooler
People who want a display showing more than CPU temperature or load

Read the full DeepCool AK620 DIGITAL review ›

More comparisons

Compare all CPU coolers · Best CPU coolers