A6-6420K vs Ultra X7 358H

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	381	2798
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Power efficiency	32.27	0.58
Designer	Intel	AMD
Manufacturer	no data	GlobalFoundries
Architecture codename	Panther Lake (2026)	Richland (2013−2014)
Release date	no data	January 2014 (12 years ago)

Detailed specifications

Core Ultra X7 358H and A6-6420K 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	16 (Hexadeca-Core)	2 (Dual-core)
Performance-cores	4	no data
Efficient-cores	8	no data
Low Power Efficient-cores	4	no data
Threads	16	2
Base clock speed	1.5 GHz	4 GHz
Boost clock speed	4.8 GHz	4.2 GHz
L1 cache	no data	96 KB
L2 cache	no data	1024 KB
L3 cache	18 MB Intel® Smart Cache	no data
Chip lithography	no data	32 nm
Die size	no data	246 mm2
Maximum core temperature	no data	70 °C
Maximum case temperature (TCase)	no data	70 °C
Number of transistors	no data	1,303 million
64 bit support	+	+
Unlocked multiplier	-	+

Compatibility

Information on Core Ultra X7 358H and A6-6420K 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	no data	1
Socket	FCBGA2540	FM2
Power consumption (TDP)	25 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core Ultra X7 358H and A6-6420K. 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	+	+
FMA	-	+
AVX	-	+
PowerNow	-	+
PowerGating	-	+
VirusProtect	-	+
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Thermal Monitoring	+	-
Turbo Boost Max 3.0	+	no data
Deep Learning Boost	+	-
Supported AI Software Frameworks	OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN	-

Security technologies

Core Ultra X7 358H and A6-6420K technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core Ultra X7 358H and A6-6420K 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 Core Ultra X7 358H and A6-6420K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	LPDDR5X-9600	DDR3-1866
Maximum memory size	96 GB	no data
Max memory channels	2	2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® Arc™ B390 GPU	AMD Radeon HD 8470D
จำนวนพาธไลน์	no data	192
Quick Sync Video	+	-
Enduro	-	+
Switchable graphics	-	+
UVD	-	+
Graphics max frequency	2.5 GHz	no data

Graphics interfaces

Available interfaces and connections of Core Ultra X7 358H and A6-6420K integrated GPUs.

Number of displays supported	4	no data
DisplayPort	-	+
HDMI	-	+

Graphics image quality

Maximum display resolutions supported by Core Ultra X7 358H and A6-6420K integrated GPUs, including resolutions over different interfaces.

Max resolution over eDP	3840 x 2400 @ 120Hz	no data
Max resolution over DisplayPort	7680 x 4320 @ 60Hz	no data

Graphics API support

APIs supported by Core Ultra X7 358H and A6-6420K integrated GPUs, sometimes API versions are included.

DirectX	DirectX 12 Ultimate	DirectX® 11
OpenGL	4.6	no data

Peripherals

Specifications and connection of peripherals supported by Core Ultra X7 358H and A6-6420K.

PCIe version	5.0 and 4.0	2.0
PCI Express lanes	12	no data

Synthetic benchmarks

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.

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Pros & cons summary

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Performance score	19.12	0.90
Physical cores	16	2
Threads	16	2
Power consumption (TDP)	25 Watt	65 Watt

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