Core 2 Duo E4400 vs Pentium 3558U

Primary details

Comparing Pentium 3558U and Core 2 Duo E4400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2639	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Pentium	no data
Architecture codename	Haswell (2013−2015)	Allendale (2006−2009)
Release date	1 January 2014 (10 years ago)	July 2007 (17 years ago)
Launch price (MSRP)	$161	no data
Current price	$295 (1.8x MSRP)	$52

Detailed specifications

Pentium 3558U and Core 2 Duo E4400 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	2	2
Base clock speed	1.7 GHz	2 GHz
Boost clock speed	1.7 GHz	2 GHz
L1 cache	128 KB	64 KB
L2 cache	512 KB	2 MB
L3 cache	2 MB	0 KB
Chip lithography	22 nm	65 nm
Die size	no data	111 mm2
Maximum core temperature	100 °C	L2=61 °C, M0=73 °C
Number of transistors	no data	167 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	no data	0.85V-1.5V

Compatibility

Information on Pentium 3558U and Core 2 Duo E4400 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	1
Socket	FCBGA1168	LGA775
Power consumption (TDP)	15 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 3558U and Core 2 Duo E4400. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	no data
AES-NI	-	-
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
TSX	-	no data
Idle States	+	+
Thermal Monitoring	+	+
SIPP	-	no data
Smart Response	-	no data
Demand Based Switching	no data	-
GPIO	+	no data
Smart Connect	+	no data
FDI	-	no data
AMT	9.5	no data
Matrix Storage	-	no data
FSB parity	no data	-
Status	Discontinued	Discontinued
HD Audio	+	no data
RST	+	no data

Security technologies

Pentium 3558U and Core 2 Duo E4400 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+
Secure Key	+	no data
Identity Protection	-	no data
OS Guard	-	no data
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 3558U and Core 2 Duo E4400 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 3558U and Core 2 Duo E4400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR1, DDR2, DDR3
Maximum memory size	16 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 4th Generation Intel® Processors	no data
Quick Sync Video	+	no data
Clear Video	+	no data
Graphics max frequency	1 GHz	no data

Graphics interfaces

Available interfaces and connections of Pentium 3558U and Core 2 Duo E4400 integrated GPUs.

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

Peripherals

Specifications and connection of peripherals supported by Pentium 3558U and Core 2 Duo E4400.

PCIe version	2.0	no data
PCI Express lanes	10	no data
PCI support	-	no data
USB revision	3.0	no data
Total number of SATA ports	2	no data
Max number of SATA 6 Gb/s Ports	2	no data
Integrated IDE	-	no data
Number of USB ports	4	no data
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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Pros & cons summary

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Chip lithography	22 nm	65 nm
Power consumption (TDP)	15 Watt	65 Watt

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Should you still have questions on choice between Pentium 3558U and Core 2 Duo E4400, ask them in Comments section, and we shall answer.

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