Ultra 7 258V vs A6-7400K

Place in the ranking	2454	621
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Power efficiency	1.50	69.81
Architecture codename	Kaveri (2014−2015)	Lunar Lake (2024)
Release date	31 July 2014 (10 years ago)	24 September 2024 (less than a year ago)

Detailed specifications

A6-7400K and Core Ultra 7 258V 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)
Performance-cores	no data	4
Low Power Efficient-cores	no data	4
Threads	2	8
Base clock speed	3.5 GHz	2.2 GHz
Boost clock speed	3.9 GHz	4.8 GHz
Bus rate	no data	37 MHz
L1 cache	128 KB	192 KB (per core)
L2 cache	1024 KB	2.5 MB (per core)
L3 cache	no data	12 MB (shared)
Chip lithography	28 nm	3 nm
Die size	245 mm²	no data
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	+	+
Unlocked multiplier	+	-

Compatibility

Information on A6-7400K and Core Ultra 7 258V 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+	FCBGA2833
Power consumption (TDP)	65 Watt	17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A6-7400K and Core Ultra 7 258V. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
FMA	+	-
AVX	+	+
FRTC	+	-
FreeSync	+	-
TrueAudio	+	-
PowerNow	+	-
PowerGating	+	-
Out-of-band client management	+	-
VirusProtect	+	-
HSA	+	-
Enhanced SpeedStep (EIST)	no data	+
Speed Shift	no data	+
Hyper-Threading Technology	no data	-
TSX	-	+
Thermal Monitoring	-	+
Turbo Boost Max 3.0	no data	+
Deep Learning Boost	-	+
Supported AI Software Frameworks	-	OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN

Security technologies

A6-7400K and Core Ultra 7 258V technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by A6-7400K and Core Ultra 7 258V 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 Core Ultra 7 258V. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1866	DDR5
Maximum memory size	no data	32 GB
Max memory channels	2	2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	AMD Radeon R5 Graphics	Intel Arc Graphics 140V
iGPU core count	4	no data
จำนวนพาธไลน์	256	no data
Quick Sync Video	-	+
Enduro	+	-
Switchable graphics	+	-
UVD	+	-
VCE	+	-
Graphics max frequency	no data	1.95 GHz

Graphics interfaces

Available interfaces and connections of A6-7400K and Core Ultra 7 258V integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by A6-7400K and Core Ultra 7 258V integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)
Max resolution over eDP	no data	3840x2400 @ 120Hz
Max resolution over DisplayPort	no data	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by A6-7400K and Core Ultra 7 258V integrated GPUs, sometimes API versions are included.

DirectX	DirectX® 12	12.2
OpenGL	no data	4.6
Vulkan	+	-

Peripherals

Specifications and connection of peripherals supported by A6-7400K and Core Ultra 7 258V.

PCIe version	3.0	5.0
PCI Express lanes	16	4
PCI support	no data	5.0 and 4.0

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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.

A6-7400K 1.03

Ultra 7 258V 12.54
+1117%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

A6-7400K 1640

Ultra 7 258V 19920
+1115%

Gaming performance

Pros & cons summary

Performance score	1.03	12.54
Recency	31 July 2014	24 September 2024
Physical cores	2	8
Threads	2	8
Chip lithography	28 nm	3 nm
Power consumption (TDP)	65 Watt	17 Watt

Ultra 7 258V has a 1117.5% higher aggregate performance score, an age advantage of 10 years, 300% more physical cores and 300% more threads, a 833.3% more advanced lithography process, and 282.4% lower power consumption.

The Core Ultra 7 258V is our recommended choice as it beats the A6-7400K in performance tests.

Note that A6-7400K is a desktop processor while Core Ultra 7 258V is a notebook one.

Should you still have questions on choice between A6-7400K and Core Ultra 7 258V, ask them in Comments section, and we shall answer.