Intel Pentium 4405U

The Intel Pentium 4405U is an ULV (ultra low voltage) dual-core SoC based on the Skylake architecture and has been launched in September 2015. The CPU can be found in ultrabooks as well as normal notebooks. In addition to two CPU cores with Hyper-Threading clocked at 2.1 GHz (no Turbo Boost), the chip also integrates an HD Graphics 510 GPU and a dual-channel DDR4-2133/DDR3L-1600 memory controller. The SoC is manufactured using a 14 nm process with FinFET transistors.

Architecture

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").

Performance

Thnaks to the added Hyper-Threading support, the 4405U performs significantly better than previous Pentium CPUs and should match the Broadwell-based Core i3-5010U. Thus, the CPU has sufficient power for office and multimedia purposes as well as somewhat more demanding applications.

Graphics

The integrated graphics unit called HD Graphics 510 represents the "GT1" version of the Skylake GPU (Intel Gen. 9). Its 12 Execution Units, also called EUs, are clocked at 300 - 950 MHz and offer a performance somewhat below the older HD Graphics 4400. Only a few games of 2015 can be played smoothly in lowest settings. For more information about performance and features, check our page for the HD Graphics 510.

Power Consumption

Specified at a TDP of 15 W (including CPU, GPU and memory controller), the CPU is best suited for small notebooks and ultrabooks (11-inches and above). Optionally, the TDP can be lowered to 10 watts (cTDP down), reducing both heat dissipation and performance and allowing even more compact designs. 

Codename	Skylake
Series	Intel Pentium
Series: Pentium Skylake Intel Pentium 4405U « 2.1 GHz 2 / 4  2 MB L3 Intel Pentium 4405Y 1.5 GHz 2 / 4  2 MB L3
Clock Rate	2100 MHz
Level 1 Cache	128 KB
Level 2 Cache	512 KB
Level 3 Cache	2 MB
Number of Cores / Threads	2 / 4
Power Consumption (TDP = Thermal Design Power)	15 Watt
Manufacturing Technology	14 nm
Die Size	99 mm2
Max. Temperature	100 °C
Socket	BGA
Features	Dual-Channel DDR3L-1600/DDR4-2133 Memory Controller, HyperThreading, AVX, AVX2, Quick Sync, Virtualization, AES-NI
GPU	Intel HD Graphics 510 (300 - 950 MHz)
64 Bit	64 Bit support
Architecture	x86
Announcement Date	09/01/2015
Product Link (external)	ark.intel.com

Benchmarks

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

Other CPUs of the series Pentium

Surrounding CPUs