Atom x7425E vs Core i5-8400B

Primary details

Comparing Core i5-8400B and Atom x7425E processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	1442
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i5	no data
Architecture codename	Coffee Lake (2017−2019)	Gracemont
Release date	2 April 2018 (6 years ago)	3 January 2023 (1 year ago)
Launch price (MSRP)	$182	no data
Current price	$54 (0.3x MSRP)	no data

Detailed specifications

Core i5-8400B and Atom x7425E 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	6 (Hexa-Core)	4 (Quad-Core)
Threads	6	4
Base clock speed	2.8 GHz	1.5 GHz
Boost clock speed	4 GHz	3.4 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	384 KB	96K (per core)
L2 cache	1.5 MB	2 MB (shared)
L3 cache	9 MB	6 MB (shared)
Chip lithography	14 nm	10 nm
Die size	126 mm2	no data
Maximum core temperature	100 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	No	No

Compatibility

Information on Core i5-8400B and Atom x7425E 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	FCBGA1440	Intel BGA 1744
Power consumption (TDP)	65 Watt	12 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8400B and Atom x7425E. 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	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	-	no data
TSX	-	no data
Idle States	+	no data
Thermal Monitoring	+	no data
SIPP	-	no data
Status	Discontinued	no data

Security technologies

Core i5-8400B and Atom x7425E technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8400B and Atom x7425E are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8400B and Atom x7425E. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4, DDR54800 MHz Single-channel
Maximum memory size	64 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	42.671 GB/s	no data
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel UHD Graphics 630	Intel UHD Graphics 24EU
Max video memory	64 GB	no data
Quick Sync Video	+	no data
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.05 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i5-8400B and Atom x7425E integrated GPUs.

Number of displays supported

3

no data

Graphics image quality

Maximum display resolutions supported by Core i5-8400B and Atom x7425E integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@30Hz	no data
Max resolution over eDP	4096x2304@60Hz	no data
Max resolution over DisplayPort	4096x2304@60Hz	no data

Graphics API support

APIs supported by Core i5-8400B and Atom x7425E 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 i5-8400B and Atom x7425E.

PCIe version	3.0	3.0
PCI Express lanes	16	9

Pros & cons summary

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Recency	2 April 2018	3 January 2023
Physical cores	6	4
Threads	6	4
Chip lithography	14 nm	10 nm
Power consumption (TDP)	65 Watt	12 Watt

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