Celeron 1005M vs i5-6400

Primary details

Comparing Core i5-6400 and Celeron 1005M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1550	2701
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.67	no data
Market segment	Desktop processor	Laptop
Series	Intel Core i5	Intel Celeron
Power efficiency	4.96	1.88
Architecture codename	Skylake (2015−2016)	Ivy Bridge (2012−2013)
Release date	1 September 2015 (9 years ago)	1 July 2013 (11 years ago)
Launch price (MSRP)	$187	$86

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i5-6400 and Celeron 1005M 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	4 (Quad-Core)	2 (Dual-core)
Threads	4	2
Base clock speed	2.7 GHz	1.9 GHz
Boost clock speed	3.3 GHz	1.9 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	5 GT/s
Multiplier	27	no data
L1 cache	256 KB	128 KB
L2 cache	1 MB	512 KB
L3 cache	6 MB (shared)	2 MB
Chip lithography	14 nm	22 nm
Die size	122 mm2	94 mm2
Maximum core temperature	no data	105 °C
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i5-6400 and Celeron 1005M 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	FCLGA1151	FCPGA988
Power consumption (TDP)	65 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-6400 and Celeron 1005M. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	-
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
My WiFi	no data	-
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	no data	+
Demand Based Switching	no data	-
FDI	no data	+
Fast Memory Access	no data	+

Security technologies

Core i5-6400 and Celeron 1005M technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-6400 and Celeron 1005M are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-6400 and Celeron 1005M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4	DDR3
Maximum memory size	64 GB	32 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 530	Intel® HD Graphics for 3rd Generation Intel® Processors
Max video memory	64 GB	no data
Quick Sync Video	+	-
Clear Video	+	-
Clear Video HD	+	-
Graphics max frequency	950 MHz	1 GHz
InTru 3D	+	-

Graphics interfaces

Available interfaces and connections of Core i5-6400 and Celeron 1005M integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i5-6400 and Celeron 1005M 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 Core i5-6400 and Celeron 1005M integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.5	no data

Peripherals

Specifications and connection of peripherals supported by Core i5-6400 and Celeron 1005M.

PCIe version	3.0	2.0
PCI Express lanes	16	16

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	3.48	0.71
Recency	1 September 2015	1 July 2013
Physical cores	4	2
Threads	4	2
Chip lithography	14 nm	22 nm
Power consumption (TDP)	65 Watt	35 Watt

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Should you still have questions on choice between Core i5-6400 and Celeron 1005M, ask them in Comments section, and we shall answer.

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