Pentium 6805 vs Core 2 Duo E4400

Primary details

Comparing Core 2 Duo E4400 and Pentium 6805 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	1683
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Power efficiency	no data	17.60
Architecture codename	Allendale (2006−2009)	Ice Lake-Y (2020)
Release date	July 2007 (17 years ago)	1 October 2020 (4 years ago)
Launch price (MSRP)	no data	$161

Detailed specifications

Core 2 Duo E4400 and Pentium 6805 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	4
Base clock speed	2 GHz	1.1 GHz
Boost clock speed	2 GHz	3 GHz
Bus rate	800 MHz	no data
L1 cache	64 KB	80 KB (per core)
L2 cache	2 MB	256 KB (per core)
L3 cache	0 KB	4 MB (shared)
Chip lithography	65 nm	10 nm
Die size	111 mm2	123 mm2
Maximum core temperature	L2=61 °C, M0=73 °C	100 °C
Number of transistors	167 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
VID voltage range	0.85V-1.5V	no data

Compatibility

Information on Core 2 Duo E4400 and Pentium 6805 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	LGA775	FCBGA1526
Power consumption (TDP)	65 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E4400 and Pentium 6805. You'll probably need this information if you require some particular technology.

AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	-	+
Idle States	+	+
Thermal Monitoring	+	+
Demand Based Switching	-	no data
FSB parity	-	no data

Security technologies

Core 2 Duo E4400 and Pentium 6805 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E4400 and Pentium 6805 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E4400 and Pentium 6805. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR4-3200, LPDDR4-3733
Maximum memory size	no data	64 GB
Max memory channels	no data	2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel® UHD Graphics for 10th Gen Intel® Processors
Graphics max frequency	no data	850 MHz
Execution Units	no data	32

Graphics interfaces

Available interfaces and connections of Core 2 Duo E4400 and Pentium 6805 integrated GPUs.

Number of displays supported

no data

3

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E4400 and Pentium 6805.

PCIe version

no data

3.0

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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Threads	2	4
Chip lithography	65 nm	10 nm
Power consumption (TDP)	65 Watt	15 Watt

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Should you still have questions on choice between Core 2 Duo E4400 and Pentium 6805, ask them in Comments section, and we shall answer.

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