EPYC 9455 vs Atom E640

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Primary details

Comparing Atom E640 and EPYC 9455 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 codenameTunnel Creek (2010)Turin (2024)
Release date14 September 2010 (14 years ago)10 October 2024 (less than a year ago)
Launch price (MSRP)no data$5,412

Detailed specifications

Atom E640 and EPYC 9455 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)48 (Octatetraconta-Core)
Threads296
Base clock speedno data3.15 GHz
Boost clock speed1 GHz4.4 GHz
L1 cache64 KB (per core)80 KB (per core)
L2 cache512 KB (per core)1 MB (per core)
L3 cache0 KB192 MB (shared)
Chip lithography45 nm4 nm
Die size26 mm26x 70.6 mm2
Number of transistors47 million49,890 million
64 bit support-+
Windows 11 compatibility-no data

Compatibility

Information on Atom E640 and EPYC 9455 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 configuration12
SocketIntel BGA 676SP5
Power consumption (TDP)3 Watt300 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom E640 and EPYC 9455. You'll probably need this information if you require some particular technology.

AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)+no data
Hyper-Threading Technology+no data
Precision Boost 2no data+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom E640 and EPYC 9455 are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom E640 and EPYC 9455. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR2DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel GMA 600N/A

Peripherals

Specifications and connection of peripherals supported by Atom E640 and EPYC 9455.

PCIe versionno data5.0
PCI Express lanesno data128

Pros & cons summary


Recency 14 September 2010 10 October 2024
Physical cores 1 48
Threads 2 96
Chip lithography 45 nm 4 nm
Power consumption (TDP) 3 Watt 300 Watt

Atom E640 has 9900% lower power consumption.

EPYC 9455, on the other hand, has an age advantage of 14 years, 4700% more physical cores and 4700% more threads, and a 1025% more advanced lithography process.

We couldn't decide between Atom E640 and EPYC 9455. We've got no test results to judge.

Be aware that Atom E640 is a notebook processor while EPYC 9455 is a server/workstation one.


Should you still have questions on choice between Atom E640 and EPYC 9455, ask them in Comments section, and we shall answer.

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Intel Atom E640
Atom E640
AMD EPYC 9455
EPYC 9455

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