Atom N450 vs Pentium 4405U

Primary details

Comparing Pentium 4405U and Atom N450 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2249	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Pentium	Intel Atom
Power efficiency	8.39	no data
Architecture codename	Skylake (2015−2016)	Pinetrail (2009−2011)
Release date	1 September 2015 (9 years ago)	21 December 2009 (14 years ago)
Launch price (MSRP)	$161	$64

Detailed specifications

Pentium 4405U and Atom N450 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	2 (Dual-core)	1 (Single-Core)
Threads	4	2
Base clock speed	2.1 GHz	1.66 GHz
Boost clock speed	2.1 GHz	1.67 GHz
Bus type	OPI	no data
Bus rate	4 GT/s	533 MHz
Multiplier	21	no data
L1 cache	128 KB	56 KB (per core)
L2 cache	512 KB	512 KB (per core)
L3 cache	2 MB	0 KB
Chip lithography	14 nm	45 nm
Die size	98.57 mm2	66 mm2
Maximum core temperature	100 °C	100 °C
Number of transistors	1750 Million	123 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Pentium 4405U and Atom N450 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1 (Uniprocessor)	1
Socket	FCBGA1356	FCBGA559
Power consumption (TDP)	15 Watt	5.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 4405U and Atom N450. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE2, Intel® SSE3, Intel® SSSE3
AES-NI	+	-
AVX	+	-
Enhanced SpeedStep (EIST)	+	+
My WiFi	+	no data
Turbo Boost Technology	-	-
Hyper-Threading Technology	+	+
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	+	no data
Smart Response	+	no data
Demand Based Switching	no data	-

Security technologies

Pentium 4405U and Atom N450 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+
Secure Key	+	no data
Identity Protection	+	-
SGX	Yes with Intel® ME	no data
OS Guard	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 4405U and Atom N450 are enumerated here.

AMD-V	+	-
VT-d	+	-
VT-x	+	-
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 4405U and Atom N450. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4	DDR2
Maximum memory size	32 GB	2 GB
Max memory channels	2	1
Maximum memory bandwidth	34.134 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 510	On certain motherboards (Chipset feature)
Max video memory	32 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	950 MHz	no data

Graphics interfaces

Available interfaces and connections of Pentium 4405U and Atom N450 integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
DVI	+	no data

Graphics image quality

Maximum display resolutions supported by Pentium 4405U and Atom N450 integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@24Hz	no data
Max resolution over eDP	4096x2304@60Hz	no data
Max resolution over DisplayPort	4096x2304@60Hz	no data
Max resolution over VGA	N/A	no data

Graphics API support

APIs supported by Pentium 4405U and Atom N450 integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.4	no data

Peripherals

Specifications and connection of peripherals supported by Pentium 4405U and Atom N450.

PCIe version	2.0	no data
PCI Express lanes	10	no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Pros & cons summary

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Recency	1 September 2015	21 December 2009
Physical cores	2	1
Threads	4	2
Chip lithography	14 nm	45 nm
Power consumption (TDP)	15 Watt	5 Watt

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