i5-3340S vs i5-6400

Primary details

Comparing Core i5-6400 and Core i5-3340S processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1565	1762
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.78	no data
Market segment	Desktop processor	Desktop processor
Series	Intel Core i5	no data
Power efficiency	4.96	3.61
Architecture codename	Skylake (2015−2016)	no data
Release date	2 July 2015 (9 years ago)	1 July 2013 (11 years ago)
Launch price (MSRP)	$187	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i5-6400 and Core i5-3340S 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)	4 (Quad-Core)
Threads	4	4
Base clock speed	2.7 GHz	2.8 GHz
Boost clock speed	3.3 GHz	3.3 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	5 GT/s
Multiplier	27	no data
L1 cache	64K (per core)	no data
L2 cache	256K (per core)	no data
L3 cache	6 MB (shared)	6 MB Intel® Smart Cache
Chip lithography	14 nm	22 nm
Die size	177 mm2	no data
Maximum core temperature	no data	69 °C
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i5-6400 and Core i5-3340S 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	FCLGA1155
Power consumption (TDP)	65 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-6400 and Core i5-3340S. 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, Intel® AVX
AES-NI	+	+
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
My WiFi	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	+	+
FDI	no data	+

Security technologies

Core i5-6400 and Core i5-3340S technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+
Secure Key	+	+
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 Core i5-3340S 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 Core i5-3340S. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4	DDR3-1333, DDR3-1600
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 Compare	Intel HD Graphics 530	Intel HD Graphics 2500
Max video memory	64 GB	no data
Quick Sync Video	+	+
Clear Video	+	no data
Clear Video HD	+	+
Graphics max frequency	950 MHz	1.05 GHz
InTru 3D	+	+

Graphics interfaces

Available interfaces and connections of Core i5-6400 and Core i5-3340S integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i5-6400 and Core i5-3340S 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 Core i5-3340S 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 Core i5-3340S.

PCIe version	3.0	3.0
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	3.41	2.48
Integrated graphics card	2.60	0.69
Recency	2 July 2015	1 July 2013
Chip lithography	14 nm	22 nm

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Should you still have questions on choice between Core i5-6400 and Core i5-3340S, ask them in Comments section, and we shall answer.

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