Ultra 7 256V vs A6-6420K

Primary details

Comparing A6-6420K and Core Ultra 7 256V processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2460	631
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Power efficiency	1.44	67.69
Architecture codename	Richland (2013−2014)	Lunar Lake (2024)
Release date	January 2014 (10 years ago)	24 September 2024 (less than a year ago)

Detailed specifications

A6-6420K and Core Ultra 7 256V 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)	8 (Octa-Core)
Threads	2	8
Base clock speed	4 GHz	2.2 GHz
Boost clock speed	4.2 GHz	4.8 GHz
Bus rate	no data	37 MHz
L1 cache	96 KB	192 KB (per core)
L2 cache	1024 KB	2.5 MB (per core)
L3 cache	no data	12 MB (shared)
Chip lithography	32 nm	3 nm
Die size	246 mm2	no data
Maximum core temperature	70 °C	100 °C
Maximum case temperature (TCase)	70 °C	no data
Number of transistors	1,303 million	no data
64 bit support	+	+
Unlocked multiplier	+	-

Compatibility

Information on A6-6420K and Core Ultra 7 256V 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	FM2	Intel BGA 2833
Power consumption (TDP)	65 Watt	17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A6-6420K and Core Ultra 7 256V. You'll probably need this information if you require some particular technology.

AES-NI	+	+
FMA	+	-
AVX	+	+
PowerNow	+	-
PowerGating	+	-
VirusProtect	+	-
Enhanced SpeedStep (EIST)	no data	+
TSX	-	+

Security technologies

A6-6420K and Core Ultra 7 256V technologies aimed at improving security, for example, by protecting against hacks.

TXT

no data

+

Virtualization technologies

Virtual machine speed-up technologies supported by A6-6420K and Core Ultra 7 256V are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by A6-6420K and Core Ultra 7 256V. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1866	DDR5
Max memory channels	2	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	AMD Radeon HD 8470D	Arc 140V
Number of pipelines	192	no data
Enduro	+	-
Switchable graphics	+	-
UVD	+	-

Graphics interfaces

Available interfaces and connections of A6-6420K and Core Ultra 7 256V integrated GPUs.

DisplayPort	+	-
HDMI	+	-

Graphics API support

APIs supported by A6-6420K and Core Ultra 7 256V integrated GPUs, sometimes API versions are included.

DirectX

DirectX® 11

no data

Peripherals

Specifications and connection of peripherals supported by A6-6420K and Core Ultra 7 256V.

PCIe version	2.0	5.0
PCI Express lanes	no data	4

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	1.01	12.39
Physical cores	2	8
Threads	2	8
Chip lithography	32 nm	3 nm
Power consumption (TDP)	65 Watt	17 Watt

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Should you still have questions on choice between A6-6420K and Core Ultra 7 256V, ask them in Comments section, and we shall answer.

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