Pentium 3556U vs Pentium 4405U

Primary details

Comparing Pentium 4405U and Pentium 3556U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2211	2695
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Pentium	Intel Pentium
Architecture codename	Skylake (2015−2016)	Haswell (2013−2015)
Release date	1 September 2015 (9 years ago)	1 October 2013 (10 years ago)
Launch price (MSRP)	$161	no data

Detailed specifications

Pentium 4405U and Pentium 3556U 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)	2 (Dual-core)
Threads	4	2
Base clock speed	2.1 GHz	1.7 GHz
Boost clock speed	2.1 GHz	1.7 GHz
Bus type	OPI	no data
Bus rate	4 GT/s	5 GT/s
Multiplier	21	no data
L1 cache	128 KB	128 KB
L2 cache	512 KB	512 KB
L3 cache	2 MB	2 MB
Chip lithography	14 nm	22 nm
Die size	98.57 mm2	118 mm2
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	no data	105 °C
Number of transistors	1750 Million	1,400 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Pentium 4405U and Pentium 3556U 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	FCBGA1168
Power consumption (TDP)	15 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 4405U and Pentium 3556U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	-
AVX	+	-
Enhanced SpeedStep (EIST)	+	+
My WiFi	+	no data
Turbo Boost Technology	-	-
Hyper-Threading Technology	+	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
Smart Response	+	-
GPIO	no data	+
Smart Connect	no data	+
FDI	no data	-
AMT	no data	9.5
Matrix Storage	no data	-
Status	Discontinued	Discontinued
HD Audio	no data	+
RST	no data	+

Security technologies

Pentium 4405U and Pentium 3556U technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 4405U and Pentium 3556U are enumerated here.

AMD-V	+	+
VT-d	+	-
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 4405U and Pentium 3556U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4	DDR3
Maximum memory size	32 GB	16 GB
Max memory channels	2	2
Maximum memory bandwidth	34.134 GB/s	25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 510	Intel® HD Graphics for 4th Generation Intel® Processors
Max video memory	32 GB	no data
Quick Sync Video	+	-
Clear Video	+	+
Clear Video HD	+	-
Graphics max frequency	950 MHz	1 GHz

Graphics interfaces

Available interfaces and connections of Pentium 4405U and Pentium 3556U integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Pentium 4405U and Pentium 3556U 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 Pentium 3556U 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 Pentium 3556U.

PCIe version	2.0	2.0
PCI Express lanes	10	10
PCI support	no data	-
USB revision	no data	3.0
Total number of SATA ports	no data	2
Max number of SATA 6 Gb/s Ports	no data	2
Integrated IDE	no data	-
Number of USB ports	no data	4
Integrated LAN	no data	-
UART	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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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Pros & cons summary

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Performance score	1.37	0.68
Recency	1 September 2015	1 October 2013
Threads	4	2
Chip lithography	14 nm	22 nm

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