Xeon Platinum 8558 vs A6-6420K

Primary details

Comparing A6-6420K and Xeon Platinum 8558 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2481	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Power efficiency	1.44	no data
Architecture codename	Richland (2013−2014)	Emerald Rapids (2023)
Release date	January 2014 (10 years ago)	14 December 2023 (1 year ago)
Launch price (MSRP)	no data	$4,650

Detailed specifications

A6-6420K and Xeon Platinum 8558 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)	48 (Octatetraconta-Core)
Threads	2	96
Base clock speed	4 GHz	2.1 GHz
Boost clock speed	4.2 GHz	4 GHz
L1 cache	96 KB	80 KB (per core)
L2 cache	1024 KB	2 MB (per core)
L3 cache	no data	260 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	78 °C
Number of transistors	1,303 million	no data
64 bit support	+	+
Unlocked multiplier	+	-

Compatibility

Information on A6-6420K and Xeon Platinum 8558 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	330 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A6-6420K and Xeon Platinum 8558. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
FMA	+	-
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

A6-6420K and Xeon Platinum 8558 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 A6-6420K and Xeon Platinum 8558 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 A6-6420K and Xeon Platinum 8558. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1866	DDR5 @ 5200 MT/s (1 DPC)
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
จำนวนพาธไลน์	192	no data
Enduro	+	-
Switchable graphics	+	-
UVD	+	-

Graphics interfaces

Available interfaces and connections of A6-6420K and Xeon Platinum 8558 integrated GPUs.

DisplayPort	+	-
HDMI	+	-

Graphics API support

APIs supported by A6-6420K and Xeon Platinum 8558 integrated GPUs, sometimes API versions are included.

DirectX

DirectX® 11

no data

Peripherals

Specifications and connection of peripherals supported by A6-6420K and Xeon Platinum 8558.

PCIe version	2.0	5.0
PCI Express lanes	no data	80

Pros & cons summary

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Physical cores	2	48
Threads	2	96
Power consumption (TDP)	65 Watt	330 Watt

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