Semiconductor & Computer Engineering
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EPYC 7642 - AMD
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| Microarchitecture |
EPYC 7642 is a 64-bit 48-core x86 server microprocessor designed and introduced by AMD in mid-2019. This multi-chip processor, which is based on the Zen 2 microarchitecture, incorporates logic fabricated TSMC 7 nm process and I/O fabricated on GlobalFoundries 14 nm process. The 7642 has a TDP of 225 W with a base frequency of 2.4 GHz and a boost frequency of up to 3.4 GHz. This processor supports up to two-way SMP and up to 4 TiB of eight channels DDR4-3200 memory per socket.
Facts about "EPYC 7642 - AMD"
| base frequency | 2,400 MHz (2.4 GHz, 2,400,000 kHz) + |
| clock multiplier | 24 + |
| core count | 48 + |
| core family | 23 + |
| core name | Rome + |
| designer | AMD + |
| die count | 7 + |
| family | EPYC + |
| first announced | August 7, 2019 + |
| first launched | August 7, 2019 + |
| full page name | amd/epyc/7642 + |
| has locked clock multiplier | true + |
| instance of | microprocessor + |
| is multi-chip package | true + |
| isa | x86-64 + |
| isa family | x86 + |
| l1$ size | 3,072 KiB (3,145,728 B, 3 MiB) + |
| l1d$ description | 8-way set associative + |
| l1d$ size | 1,536 KiB (1,572,864 B, 1.5 MiB) + |
| l1i$ description | 8-way set associative + |
| l1i$ size | 1,536 KiB (1,572,864 B, 1.5 MiB) + |
| l2$ description | 8-way set associative + |
| l2$ size | 24 MiB (24,576 KiB, 25,165,824 B, 0.0234 GiB) + |
| l3$ size | 256 MiB (262,144 KiB, 268,435,456 B, 0.25 GiB) + |
| ldate | August 7, 2019 + |
| manufacturer | TSMC + and GlobalFoundries + |
| market segment | Server + |
| max cpu count | 2 + |
| max memory | 4,194,304 MiB (4,294,967,296 KiB, 4,398,046,511,104 B, 4,096 GiB, 4 TiB) + |
| microarchitecture | Zen 2 + |
| model number | 7642 + |
| name | EPYC 7642 + |
| package | SP3 + and FCLGA-4094 + |
| part number | 100-000000074 + |
| process | 7 nm (0.007 μm, 7.0e-6 mm) + and 14 nm (0.014 μm, 1.4e-5 mm) + |
| series | 7002 + |
| smp max ways | 2 + |
| socket | SP3 + and LGA-4094 + |
| tdp | 225 W (225,000 mW, 0.302 hp, 0.225 kW) + |
| technology | CMOS + |
| thread count | 96 + |
| turbo frequency | 3,400 MHz (3.4 GHz, 3,400,000 kHz) + |
| word size | 64 bit (8 octets, 16 nibbles) + |