Xeon Gold 6538N vs A6-6400K

Primary details

Comparing A6-6400K and Xeon Gold 6538N processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2501	164
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	21.90
Market segment	Desktop processor	Server
Series	AMD A-Series (Desktop)	no data
Power efficiency	1.38	13.05
Architecture codename	Richland (2013−2014)	Emerald Rapids (2023)
Release date	1 June 2013 (11 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	no data	$3,351

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

A6-6400K and Xeon Gold 6538N 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)	32 (Dotriaconta-Core)
Threads	2	64
Base clock speed	3.9 GHz	2.1 GHz
Boost clock speed	4.1 GHz	4.1 GHz
L1 cache	96 KB	80 KB (per core)
L2 cache	1024 KB	2 MB (per core)
L3 cache	0 KB	60 MB (shared)
Chip lithography	32 nm	Intel 7 nm
Die size	246 mm2	2x 763 mm2
Maximum core temperature	70 °C	no data
Maximum case temperature (TCase)	70 °C	85 °C
Number of transistors	1,178 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	+	-

Compatibility

Information on A6-6400K and Xeon Gold 6538N 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	2
Socket	FM2	FCLGA4677
Power consumption (TDP)	65 Watt	205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A6-6400K and Xeon Gold 6538N. You'll probably need this information if you require some particular technology.

Instruction set extensions	MMX, SSE1-4a, AES, ABM, AVX, BMI1, AMD64, VT, EVP, Turbo Core 3.0	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
FMA	FMA4	-
AVX	+	+
PowerNow	+	-
PowerGating	+	-
VirusProtect	+	-
vPro	no data	+
Enhanced SpeedStep (EIST)	no data	+
Speed Shift	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	+
TSX	-	+
Deep Learning Boost	-	+

Security technologies

A6-6400K and Xeon Gold 6538N technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+
SGX	no data	Yes with Intel® SPS
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by A6-6400K and Xeon Gold 6538N 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 A6-6400K and Xeon Gold 6538N. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1866	DDR5-5200
Maximum memory size	no data	4 TB
Max memory channels	2	8
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	AMD Radeon HD 8470D	N/A
Number of pipelines	192	no data
Enduro	+	-
Switchable graphics	+	-
UVD	+	-
VCE	+	-

Graphics interfaces

Available interfaces and connections of A6-6400K and Xeon Gold 6538N integrated GPUs.

DisplayPort	+	-
HDMI	+	-

Graphics API support

APIs supported by A6-6400K and Xeon Gold 6538N integrated GPUs, sometimes API versions are included.

DirectX

DirectX® 11

no data

Peripherals

Specifications and connection of peripherals supported by A6-6400K and Xeon Gold 6538N.

PCIe version	2.0	5.0
PCI Express lanes	no data	80

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	0.95	28.26
Recency	1 June 2013	14 December 2023
Physical cores	2	32
Threads	2	64
Power consumption (TDP)	65 Watt	205 Watt

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Should you still have questions on choice between A6-6400K and Xeon Gold 6538N, ask them in Comments section, and we shall answer.

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