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Retrieved from "https://en.wikichip.org/wiki/amd/epyc/7643"
Facts about "EPYC 7643 - AMD"
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EPYC 7643 - AMD#pcie +
base frequency2,300 MHz (2.3 GHz, 2,300,000 kHz) +
clock multiplier23 +
core count48 +
core family25 +
core model1 +
core nameMilan +
core steppingB1 +
designerAMD +
die count9 +
familyEPYC +
first announcedJanuary 12, 2021 +
first launchedMarch 15, 2021 +
full page nameamd/epyc/7643 +
has advanced vector extensionstrue +
has advanced vector extensions 2true +
has amd amd-v technologytrue +
has amd amd-vi technologytrue +
has amd secure encrypted virtualization technologytrue +
has amd secure memory encryption technologytrue +
has amd sensemi technologytrue +
has amd transparent secure memory encryption technologytrue +
has ecc memory supporttrue +
has featureAdvanced Vector Extensions +, Advanced Vector Extensions 2 +, Advanced Encryption Standard Instruction Set Extension + and SenseMI Technology +
has locked clock multipliertrue +
has simultaneous multithreadingtrue +
has x86 advanced encryption standard instruction set extensiontrue +
instance ofmicroprocessor +
is multi-chip packagetrue +
isax86-64 +
isa familyx86 +
l1$ size3,072 KiB (3,145,728 B, 3 MiB) +
l1d$ description8-way set associative +
l1d$ size1,536 KiB (1,572,864 B, 1.5 MiB) +
l1i$ description8-way set associative +
l1i$ size1,536 KiB (1,572,864 B, 1.5 MiB) +
l2$ description8-way set associative +
l2$ size24 MiB (24,576 KiB, 25,165,824 B, 0.0234 GiB) +
l3$ description16-way set associative +
l3$ size256 MiB (262,144 KiB, 268,435,456 B, 0.25 GiB) +
ldateMarch 15, 2021 +
manufacturerTSMC + and GlobalFoundries +
market segmentServer +
max cpu count2 +
max memory4,194,304 MiB (4,294,967,296 KiB, 4,398,046,511,104 B, 4,096 GiB, 4 TiB) +
max memory bandwidth190.73 GiB/s (195,307.52 MiB/s, 204.795 GB/s, 204,794.778 MB/s, 0.186 TiB/s, 0.205 TB/s) +
max memory channels8 +
max sata ports32 +
max usb ports4 +
microarchitectureZen 3 +
model number7643 +
nameEPYC 7643 +
packageFCLGA-4094 + and SP3 +
part number100-000000326 + and 100-100000326WOF +
release price$ 4,995.00 (€ 4,495.50, £ 4,045.95, ¥ 516,133.35) +
series7003 +
smp max ways2 +
socketLGA-4094 + and SP3 +
supported memory typeDDR4-3200 +
tdp225 W (225,000 mW, 0.302 hp, 0.225 kW) +
tdp up240 W (240,000 mW, 0.322 hp, 0.24 kW) +
technologyCMOS +
thread count96 +
turbo frequency3,600 MHz (3.6 GHz, 3,600,000 kHz) +
word size64 bit (8 octets, 16 nibbles) +