Core 2 Duo E6400 vs Core i3-5005U

Primary details

Comparing Core i3-5005U and Core 2 Duo E6400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2175	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Core i3	no data
Architecture codename	Broadwell-U (2015)	Conroe (2006−2007)
Release date	1 March 2015 (9 years ago)	July 2006 (17 years ago)
Launch price (MSRP)	$275	no data
Current price	$342 (1.2x MSRP)	$46

Detailed specifications

Core i3-5005U 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 GHz	2.13 GHz
Boost clock speed	2 GHz	2.13 GHz
L1 cache	64K (per core)	64 KB
L2 cache	256K (per core)	2 MB
L3 cache	3 MB (shared)	0 KB
Chip lithography	14 nm	65 nm
Die size	82 mm2	143 mm2
Maximum core temperature	105 °C	61 °C
Maximum case temperature (TCase)	105 °C	no data
Number of transistors	1300 Million	291 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	no data	0.85V-1.5V

Compatibility

Information on Core i3-5005U 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	FCBGA1168	LGA775,PLGA775
Power consumption (TDP)	15 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-5005U 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
AES-NI	+	-
AVX	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	+	-
TSX	-	no data
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
SIPP	-	no data
Smart Response	+	no data
Demand Based Switching	no data	-
FDI	+	no data
Fast Memory Access	+	no data
FSB parity	no data	-
Status	Discontinued	Discontinued

Security technologies

Core i3-5005U and Core 2 Duo E6400 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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i3-5005U and Core 2 Duo E6400 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 Core i3-5005U 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	16 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 5500	no data
Max video memory	16 GB	no data
Quick Sync Video	+	no data
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	850 MHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i3-5005U and Core 2 Duo E6400 integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i3-5005U and Core 2 Duo E6400 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	2560x1600@60Hz	no data
Max resolution over DisplayPort	3840x2160@60Hz	no data
Max resolution over VGA	N/A	no data

Graphics API support

APIs supported by Core i3-5005U 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 i3-5005U and Core 2 Duo E6400.

PCIe version	2.0	no data
PCI Express lanes	12	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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Threads	4	2
Chip lithography	14 nm	65 nm
Power consumption (TDP)	15 Watt	65 Watt

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Should you still have questions on choice between Core i3-5005U and Core 2 Duo E6400, ask them in Comments section, and we shall answer.

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