Core 2 Duo E6400 vs Core i3-4000M

Primary details

Comparing Core i3-4000M and Core 2 Duo E6400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2403	2903
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Core i3	no data
Power efficiency	2.86	0.71
Architecture codename	Haswell (2013−2015)	Conroe (2006−2007)
Release date	4 September 2013 (11 years ago)	July 2006 (18 years ago)
Launch price (MSRP)	$225	no data

Detailed specifications

Core i3-4000M and Core 2 Duo E6400 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	2.4 GHz	2.13 GHz
Boost clock speed	2.4 GHz	2.13 GHz
Bus rate	5 GT/s	1066 MHz
L1 cache	64K (per core)	64 KB
L2 cache	256K (per core)	2 MB
L3 cache	3 MB (shared)	0 KB
Chip lithography	22 nm	65 nm
Die size	118 mm2	143 mm2
Maximum core temperature	100 °C	61 °C
Number of transistors	1,400 million	291 million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	no data	0.85V-1.5V

Compatibility

Information on Core i3-4000M and Core 2 Duo E6400 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	FCPGA946	LGA775,PLGA775
Power consumption (TDP)	37 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-4000M and Core 2 Duo E6400. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	no data
AVX	+	-
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	+	-
Idle States	no data	+
Thermal Monitoring	+	+
Demand Based Switching	no data	-
FSB parity	no data	-

Security technologies

Core i3-4000M and Core 2 Duo E6400 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i3-4000M and Core 2 Duo E6400 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i3-4000M and Core 2 Duo E6400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR1, DDR2, DDR3
Maximum memory size	32 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	25.6 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 4600	no data
Max video memory	2 GB	no data
Quick Sync Video	+	-
Graphics max frequency	1.1 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i3-4000M and Core 2 Duo E6400 integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i3-4000M and Core 2 Duo E6400 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	3840x2160@60Hz	no data
Max resolution over DisplayPort	3840x2160@60Hz	no data
Max resolution over VGA	2880x1800@60Hz	no data

Graphics API support

APIs supported by Core i3-4000M and Core 2 Duo E6400 integrated GPUs, sometimes API versions are included.

DirectX	11.2/12	no data
OpenGL	4.3	no data

Peripherals

Specifications and connection of peripherals supported by Core i3-4000M and Core 2 Duo E6400.

PCIe version	2	no data
PCI Express lanes	16	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.

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Pros & cons summary

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Performance score	1.12	0.49
Threads	4	2
Chip lithography	22 nm	65 nm
Power consumption (TDP)	37 Watt	65 Watt

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Should you still have questions on choice between Core i3-4000M and Core 2 Duo E6400, ask them in Comments section, and we shall answer.

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