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ARCTIC Liquid Freezer III 420 vs DeepCool AK400: Comparison

ARCTIC Liquid Freezer III 420 and DeepCool AK400 separate most on fan count: ARCTIC Liquid Freezer III 420 at 3, DeepCool AK400 at 1, 67% in favour of ARCTIC Liquid Freezer III 420. Static Pressure splits them by another 15%, again favouring ARCTIC Liquid Freezer III 420. They match on 4 other specifications, including rgb lighting, bearing type and pwm control.

ARCTIC Liquid Freezer III 420 (420mm AIO Liquid/Integrated VRM Fan/PWM Pump/Excellent Value Flagship)
ARCTICARCTIC Liquid Freezer III 420
DeepCool AK400 (Single-Tower Air/4 Copper Heatpipes/220W TDP/120mm FDB Fan/Budget-Mainstream)
DeepCoolDeepCool AK400

Specs

Specification
ARCTIC Liquid Freezer III 420 (420mm AIO Liquid/Integrated VRM Fan/PWM Pump/Excellent Value Flagship)
ARCTIC Liquid Freezer III 420
DeepCool AK400 (Single-Tower Air/4 Copper Heatpipes/220W TDP/120mm FDB Fan/Budget-Mainstream)
DeepCool AK400
BrandARCTICDeepCool
Cooler TypeAIO LiquidAir Tower
SeriesARCTIC Liquid Freezer III 420DeepCool AK400
Model NumberACFRE00137AR-AK400-BKNNMN-G-1
Socket CompatibilityAMD AM4/AM5, Intel LGA1851/1700AMD AM4/AM5, Intel LGA1851/1700/1200/115X
Tower LayoutNot ApplicableSingle-Tower
Fan Count31-67%
RGB LightingNoNo
Cooler Weight2235 g661 g
Fan Size140 mm120 mm
Max Speed1700 RPM-8%1850 RPM
Airflow72.8 CFM66.47 CFM-9%
Static Pressure2.4 mmH2O2.04 mmH2O-15%
Bearing TypeFluid DynamicFluid Dynamic
PWM ControlYesYes
LightingNoneNone
Fans3x P14 PWM, 140mm1x FC120 FDB PWM, 120mm
Source URLhttps://www.arctic.de/us/Liquid-Freezer-III-420/ACFRE00137Ahttps://www.deepcool.com/products/Cooling/cpuaircoolers/AK400-Performance-CPU-Cooler-1851-1700-AM5/2024/15222.shtml

Verdict

ARCTIC Liquid Freezer III 420

9 / 10 Expert Rating

One of the best value-per-degree AIOs available at any radiator size, now in its largest non-Pro form.

DeepCool AK400

7.7 / 10 Expert Rating

A genuinely competitive budget single-tower cooler, now sold alongside its own updated G2 revision.

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