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Intel Pentium 4405Y

Intel 4405Y

The Intel Pentium 4405Y is a very power efficient dual-core SoC based on the Skylake architecture and has been launched in September 2015. Thanks to its extremely low TDP, the CPU can be found in passively cooled tablets and 2-in-1 notebooks. In addition to two CPU cores with Hyper-Threading clocked at 1.5 GHz (no Turbo Boost), the chip also integrates an HD Graphics GPU and a dual-channel LPDDR3-1866/DDR3L-1600 memory controller. The chip is manufactured using a 14 nm process with FinFET transistors.


Skylake replaces both Haswell and Broadwell and brings the same microarchitecture in every TDP class from 4.5 to 45 W. The extensive improvements of the Skylake design include increased out-of-order buffers, optimized prefetching and branch prediction as well as additional performance gains through Hyper-Threading. Overall, however, performance per clock has been increased by only 5 to 10 percent (compared to Haswell) respectively under 5 percent (compard to Broadwell), which is quite modest for a new architecture ("Tock").


Actual performance of the Pentium 4405Y depends on cooling capabilities and TDP configuration of the related device. Overall, the chip should perform similar to a Core i3-4010U (Haswell, 15 W) and has sufficient power for usual office and multimedia purposes.


The integrated graphics unit called HD Graphics (Skylake) represents the "GT1" version of the Skylake GPU (Intel Gen. 9). Its 12 Execution Units, also called EUs, are clocked at 300 - 800 MHz and offer a performance in range of the older HD Graphics 4200. Only a few older and less demanding games can be played smoothly in lowest settings. For more information about performance and features, check our page for the HD Graphics (Skylake).

Power Consumption

Specified at a TDP of 6 W (including CPU, GPU and memory controller), the CPU is suited for passively cooled notebooks and tablets. Optionally, the TDP can be lowered to 4.5 watts (cTDP down), decreasing both heat dissipation and performance.

SeriesIntel Pentium

Series: Pentium Skylake

Intel Pentium 4405U compare2.1 GHz2 / 4 cores2 MB L3
Intel Pentium 4405Y « 1.5 GHz2 / 4 cores2 MB L3
Clock Rate1500 MHz
Level 1 Cache128 KB
Level 2 Cache512 KB
Level 3 Cache2 MB
Number of Cores / Threads2 / 4
Power Consumption (TDP = Thermal Design Power)6 Watt
Manufacturing Technology14 nm
Die Size99 mm2
Max. Temperature100 °C
FeaturesDual-Channel DDR3L-1600/LPDDR3-1866 Memory Controller, HyperThreading, AVX, AVX2, Quick Sync, Virtualization, AES-NI
64 Bit64 Bit support
Announcement Date09/01/2015
Product Link (external)


- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance

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Other CPUs of the series Pentium

» Intel Pentium Gold 5405U
   2x 2.3 GHz
» Intel Pentium 4405U
   2x 2.1 GHz
» Intel Pentium 3560M
   2x 2.4 GHz
» Intel Pentium 2030M
   2x 2.5 GHz
» Intel Pentium 3550M
   2x 2.3 GHz
» Intel Pentium 2020M
   2x 2.4 GHz
» Intel Pentium 3825U
   2x 1.9 GHz
» Intel Pentium B980
   2x 2.4 GHz
» Intel Pentium 4405Y
   2x 1.5 GHz
» Intel Pentium B970
   2x 2.3 GHz
» Intel Pentium N4200
   4x 1.1 GHz - 2.5 GHz
» Intel Pentium B960
   2x 2.2 GHz
» Intel Pentium 3805U
   2x 1.9 GHz
» Intel Pentium B950
   2x 2.1 GHz
» Intel Pentium P6300
   2x 2.27 GHz
» Intel Pentium 2127U
   2x 1.9 GHz
» Intel Pentium B940
   2x 2 GHz
» Intel Pentium 3558U
   2x 1.7 GHz
» Intel Pentium 3556U
   2x 1.7 GHz
» Intel Pentium 2117U
   2x 1.8 GHz
» Intel Pentium P6200
   2x 2.13 GHz
» Intel Pentium P6100
   2x 2 GHz
» Intel Pentium N3540
   4x 2.16 GHz - 2.66 GHz
» Intel Pentium N3710
   4x 1.6 GHz - 2.56 GHz
» Intel Pentium P6000
   2x 1.86 GHz
» Intel Pentium J2900
   4x 2.41 GHz - 2.67 GHz
» Intel Pentium N3530
   4x 2.16 GHz - 2.58 GHz
» Intel Pentium N3700
   4x 1.6 GHz - 2.4 GHz
» Intel Pentium J2850
   4x 2.4 GHz
» Intel Pentium N3520
   4x 2.17 GHz - 2.42 GHz
» Intel Pentium N3510
   4x 2 GHz
» Intel Pentium 997
   2x 1.6 GHz
» Intel Pentium 987
   2x 1.5 GHz
» Intel Pentium 3561Y
   2x 1.2 GHz
» Intel Pentium 3560Y
   2x 1.2 GHz
» Intel Pentium 2129Y
   2x 1.1 GHz
» Intel Pentium 977
   2x 1.4 GHz
» Intel Pentium 967
   2x 1.3 GHz
» Intel Pentium U5600
   2x 1.33 GHz
» Intel Pentium 957
   2x 1.2 GHz
» Intel Pentium U5400
   2x 1.2 GHz
» Intel Pentium SU2700
   1x 1.3 GHz

Surrounding CPUs

+ Intel Core i3-4005U
   2x 1.7 GHz
+ Intel Pentium Gold 4415Y
   2x 1.6 GHz
+ Intel Core i3-3217U
   2x 1.8 GHz
+ AMD A10-7300
   4x 1.9 GHz - 3.2 GHz
+ AMD A8 Pro-7150B
   4x 1.9 GHz - 3.2 GHz
» Intel Pentium 4405Y
   2x 1.5 GHz
- AMD Phenom II X4 N970
   4x 2.2 GHz
- Intel Core 2 Duo SP9600
   2x 2.53 GHz
- Intel Core 2 Duo P9500
   2x 2.53 GHz
- Intel Core 2 Duo T9400
   2x 2.53 GHz
- Intel Core i5-4200Y
   2x 1.4 GHz - 1.9 GHz
> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > Benchmarks / Tech > Notebook Processors > Intel Pentium 4405Y SoC
Klaus Hinum (Update: 2015-09- 3)