Xeon Gold 5403N vs Atom E645CT

VS

Primary details

Comparing Atom E645CT and Xeon Gold 5403N processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopServer
Architecture codenameStellarton (2010)no data
Release date22 November 2010 (14 years ago)1 October 2023 (1 year ago)

Detailed specifications

Atom E645CT and Xeon Gold 5403N 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 cores1 (Single-Core)12 (Dodeca-Core)
Threads224
Base clock speedno data2 GHz
Boost clock speed1 GHz3.9 GHz
L1 cache64 KB (per core)no data
L2 cache512 KB (per core)no data
L3 cache0 KB22.5 MB
Chip lithography45 nmIntel 7 nm
Die size26 mm2no data
Maximum core temperatureno data85 °C
Number of transistors47 millionno data
64 bit support--
Windows 11 compatibility-no data

Compatibility

Information on Atom E645CT and Xeon Gold 5403N 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
SocketIntel BGA1466FCLGA4677
Power consumption (TDP)4 Watt115 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom E645CT and Xeon Gold 5403N. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.2, Intel® AVX2, Intel® AVX-512, Intel® AVX
AES-NI-+
Enhanced SpeedStep (EIST)+no data
Speed Shiftno data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technology++
TSX-+
Deep Learning Boost-+

Security technologies

Atom E645CT and Xeon Gold 5403N technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
SGXno dataYes with Intel® SPS
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom E645CT and Xeon Gold 5403N are enumerated here.

VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom E645CT and Xeon Gold 5403N. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR2DDR5-4000
Maximum memory sizeno data4 TB
Max memory channelsno data8
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel GMA 600no data

Peripherals

Specifications and connection of peripherals supported by Atom E645CT and Xeon Gold 5403N.

PCIe versionno data4
PCI Express lanesno data48

Pros & cons summary


Recency 22 November 2010 1 October 2023
Physical cores 1 12
Threads 2 24
Power consumption (TDP) 4 Watt 115 Watt

Atom E645CT has 2775% lower power consumption.

Xeon Gold 5403N, on the other hand, has an age advantage of 12 years, and 1100% more physical cores and 1100% more threads.

We couldn't decide between Atom E645CT and Xeon Gold 5403N. We've got no test results to judge.

Be aware that Atom E645CT is a notebook processor while Xeon Gold 5403N is a server/workstation one.


Should you still have questions on choice between Atom E645CT and Xeon Gold 5403N, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Atom E645CT
Atom E645CT
Intel Xeon Gold 5403N
Xeon Gold 5403N

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3 1 vote

Rate Atom E645CT on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

No user ratings yet.

Rate Xeon Gold 5403N on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Atom E645CT or Xeon Gold 5403N, agree or disagree with our judgements, or report an error or mismatch.