EPYC 7643 vs Xeon Phi 7295

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Primary details

Comparing Xeon Phi 7295 and EPYC 7643 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated39
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data6.37
Market segmentServerServer
SeriesIntel Xeon PhiAMD EPYC
Power efficiencyno data20.14
Architecture codenameKnights Mill (2017)Milan (2021−2023)
Release date18 December 2017 (6 years ago)12 January 2021 (3 years ago)
Launch price (MSRP)no data$4,995

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon Phi 7295 and EPYC 7643 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 cores72 (Doheptaconta-Core)48 (Octatetraconta-Core)
Threads28896
Base clock speed1.5 GHz2.3 GHz
Boost clock speed1.6 GHz3.6 GHz
Multiplier1523
L1 cache4.5 MB3 MB
L2 cache36 MB24 MB
L3 cache0 KB (shared)256 MB (shared)
Chip lithography14 nm7 nm+
Die sizeno data8x 81 mm2
Maximum core temperature77 °Cno data
Number of transistors8,000 million33,200 million
64 bit support++
Windows 11 compatibility-+
VID voltage range0.550-1.2Vno data

Compatibility

Information on Xeon Phi 7295 and EPYC 7643 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
SocketSVLCLGA3647SP3
Power consumption (TDP)320 Watt225 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Phi 7295 and EPYC 7643. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVX-512no data
AES-NI++
AVX++
Turbo Boost Technology2.0no data
Idle States+no data
Thermal Monitoring+-

Security technologies

Xeon Phi 7295 and EPYC 7643 technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
SGX-no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Phi 7295 and EPYC 7643 are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Phi 7295 and EPYC 7643. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2400DDR4-3200
Maximum memory size384 GB4 TiB
Max memory channels6no data
Maximum memory bandwidth115.212 GB/s204.795 GB/s
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A
Max video memory1 GBno data
Graphics max frequency0 MHzno data

Peripherals

Specifications and connection of peripherals supported by Xeon Phi 7295 and EPYC 7643.

PCIe version3.04.0
PCI Express lanes36128

Pros & cons summary


Recency 18 December 2017 12 January 2021
Physical cores 72 48
Threads 288 96
Chip lithography 14 nm 7 nm
Power consumption (TDP) 320 Watt 225 Watt

Xeon Phi 7295 has 50% more physical cores and 200% more threads.

EPYC 7643, on the other hand, has an age advantage of 3 years, a 100% more advanced lithography process, and 42.2% lower power consumption.

We couldn't decide between Xeon Phi 7295 and EPYC 7643. We've got no test results to judge.


Should you still have questions on choice between Xeon Phi 7295 and EPYC 7643, ask them in Comments section, and we shall answer.

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Intel Xeon Phi 7295
Xeon Phi 7295
AMD EPYC 7643
EPYC 7643

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Community ratings

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1.2 232 votes

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