Celeron 3865U vs A6-7400K

Primary details

Comparing A6-7400K and Celeron 3865U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2454	2591
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	Intel Celeron
Power efficiency	1.50	5.30
Architecture codename	Kaveri (2014−2015)	Kaby Lake-U (2017)
Release date	31 July 2014 (10 years ago)	3 January 2017 (7 years ago)
Launch price (MSRP)	no data	$107

Detailed specifications

A6-7400K and Celeron 3865U 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	2
Base clock speed	3.5 GHz	1.8 GHz
Boost clock speed	3.9 GHz	1.8 GHz
Bus type	no data	OPI
Bus rate	no data	4 GT/s
Multiplier	no data	22
L1 cache	128 KB	64K (per core)
L2 cache	1024 KB	256K (per core)
L3 cache	no data	2 MB (shared)
Chip lithography	28 nm	14 nm
Die size	245 mm2	98.7 mm2
Maximum core temperature	70 °C	100 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	2,411 million	no data
64 bit support	+	+
Windows 11 compatibility	no data	-
Unlocked multiplier	+	-

Compatibility

Information on A6-7400K and Celeron 3865U 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 (Uniprocessor)
Socket	FM2+	FCBGA1356,FPBGA1356
Power consumption (TDP)	65 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A6-7400K and Celeron 3865U. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	+
FMA	+	-
AVX	+	+
FRTC	+	-
FreeSync	+	-
TrueAudio	+	-
PowerNow	+	-
PowerGating	+	-
Out-of-band client management	+	-
VirusProtect	+	-
HSA	+	-
vPro	no data	+
Enhanced SpeedStep (EIST)	no data	+
Speed Shift	no data	+
My WiFi	no data	+
Turbo Boost Technology	no data	-
Hyper-Threading Technology	no data	+
Idle States	no data	+
Thermal Monitoring	-	+
Flex Memory Access	no data	+
Smart Response	no data	+

Security technologies

A6-7400K and Celeron 3865U technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by A6-7400K and Celeron 3865U are enumerated here.

AMD-V	+	+
VT-d	no data	+
VT-x	no data	+
EPT	no data	+
IOMMU 2.0	+	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A6-7400K and Celeron 3865U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1866	DDR3, DDR4
Maximum memory size	no data	32 GB
Max memory channels	2	2
Maximum memory bandwidth	no data	34.134 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	AMD Radeon R5 Graphics	Intel HD Graphics 610
iGPU core count	4	no data
จำนวนพาธไลน์	256	no data
Max video memory	no data	32 GB
Quick Sync Video	-	+
Clear Video	no data	+
Clear Video HD	no data	+
Enduro	+	-
Switchable graphics	+	-
UVD	+	-
VCE	+	-
Graphics max frequency	no data	900 MHz

Graphics interfaces

Available interfaces and connections of A6-7400K and Celeron 3865U integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by A6-7400K and Celeron 3865U integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	no data	4096x2304@24Hz
Max resolution over eDP	no data	4096x2304@60Hz
Max resolution over DisplayPort	no data	4096x2304@60Hz

Graphics API support

APIs supported by A6-7400K and Celeron 3865U integrated GPUs, sometimes API versions are included.

DirectX	DirectX® 12	12
OpenGL	no data	4.4
Vulkan	+	-

Peripherals

Specifications and connection of peripherals supported by A6-7400K and Celeron 3865U.

PCIe version	3.0	2.0
PCI Express lanes	16	10

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	1.03	0.84
Recency	31 July 2014	3 January 2017
Chip lithography	28 nm	14 nm
Power consumption (TDP)	65 Watt	15 Watt

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Should you still have questions on choice between A6-7400K and Celeron 3865U, ask them in Comments section, and we shall answer.

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