Xeon D-2843NT vs Athlon II X4 638

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Primary details

Comparing Athlon II X4 638 and Xeon D-2843NT processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2212not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorServer
Power efficiency2.07no data
Architecture codenameLlano (2011−2012)no data
Release date6 February 2012 (12 years ago)1 October 2023 (1 year ago)

Detailed specifications

Athlon II X4 638 and Xeon D-2843NT 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 cores4 (Quad-Core)10 (Deca-Core)
Threads420
Base clock speed2.7 GHz2 GHz
Boost clock speed2.7 GHz3.2 GHz
L1 cache128 KB (per core)no data
L2 cache1 MB (per core)no data
L3 cache0 KB15 MB
Chip lithography32 nmno data
Die size228 mm2no data
Number of transistors1,178 millionno data
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Athlon II X4 638 and Xeon D-2843NT 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 configuration1no data
SocketFM1FCBGA2579
Power consumption (TDP)65 Watt80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon II X4 638 and Xeon D-2843NT. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® AVX-512
AES-NI-+
Enhanced SpeedStep (EIST)no data+
QuickAssistno data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
Thermal Monitoring-+
Deep Learning Boost-+

Security technologies

Athlon II X4 638 and Xeon D-2843NT technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+
SGXno dataYes with Intel® SPS

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II X4 638 and Xeon D-2843NT are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X4 638 and Xeon D-2843NT. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4
Maximum memory sizeno data1 TB
Max memory channelsno data4
ECC memory support-+

Peripherals

Specifications and connection of peripherals supported by Athlon II X4 638 and Xeon D-2843NT.

PCIe versionno data4.0
PCI Express lanesno data32
USB revisionno data3.0
Max number of SATA 6 Gb/s Portsno data24
Number of USB portsno data4
Integrated LANno data+

Pros & cons summary


Recency 6 February 2012 1 October 2023
Physical cores 4 10
Threads 4 20
Power consumption (TDP) 65 Watt 80 Watt

Athlon II X4 638 has 23.1% lower power consumption.

Xeon D-2843NT, on the other hand, has an age advantage of 11 years, and 150% more physical cores and 400% more threads.

We couldn't decide between Athlon II X4 638 and Xeon D-2843NT. We've got no test results to judge.

Note that Athlon II X4 638 is a desktop processor while Xeon D-2843NT is a server/workstation one.


Should you still have questions on choice between Athlon II X4 638 and Xeon D-2843NT, ask them in Comments section, and we shall answer.

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AMD Athlon II X4 638
Athlon II X4 638
Intel Xeon D-2843NT
Xeon D-2843NT

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Community ratings

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