Semiconductor & Computer Engineering
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ThunderX2 CN9978 - Cavium
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| Microarchitecture |
ThunderX2 CN9978 is a 64-bit triaconta-core high-performance ARM server microprocessor introduced by Cavium in mid-2018. The microprocessor, which is based on the Vulcan microarchitecture, is fabricated on TSMC's 16 nm process. Depending on the exact SKU, the CN9978 operates between 1.8 GHz and 2.3 GHz and supports up to quad/octa-channel DDR4-2666 memory.
Facts about "ThunderX2 CN9978 - Cavium"
| Has subobject "Has subobject" is a predefined property representing a container construct and is provided by Semantic MediaWiki. | ThunderX2 CN9978 - Cavium#pcie + |
| base frequency | 1,800 MHz (1.8 GHz, 1,800,000 kHz) +, 2,000 MHz (2 GHz, 2,000,000 kHz) +, 2,100 MHz (2.1 GHz, 2,100,000 kHz) +, 2,200 MHz (2.2 GHz, 2,200,000 kHz) + and 2,300 MHz (2.3 GHz, 2,300,000 kHz) + |
| core count | 30 + |
| designer | Cavium + |
| family | ThunderX2 + |
| first announced | May 7, 2018 + |
| first launched | May 7, 2018 + |
| full page name | cavium/thunderx2/cn9978 + |
| has ecc memory support | true + |
| instance of | microprocessor + |
| isa | ARMv8.1 + |
| isa family | ARM + |
| l1$ size | 1,914.88 KiB (1,960,837.12 B, 1.87 MiB) + |
| l1d$ description | 8-way set associative + |
| l1d$ size | 960 KiB (983,040 B, 0.938 MiB) + |
| l1i$ description | 8-way set associative + |
| l1i$ size | 960 KiB (983,040 B, 0.938 MiB) + |
| l2$ description | 8-way set associative + |
| l2$ size | 7.5 MiB (7,680 KiB, 7,864,320 B, 0.00732 GiB) + |
| l3$ size | 30 MiB (30,720 KiB, 31,457,280 B, 0.0293 GiB) + |
| ldate | May 7, 2018 + |
| manufacturer | TSMC + |
| market segment | Server + |
| max cpu count | 2 + |
| max memory | 2,097,152 MiB (2,147,483,648 KiB, 2,199,023,255,552 B, 2,048 GiB, 2 TiB) + |
| max memory bandwidth | 158.95 GiB/s (162,764.8 MiB/s, 170.671 GB/s, 170,671.263 MB/s, 0.155 TiB/s, 0.171 TB/s) + |
| max memory channels | 8 + |
| max sata ports | 2 + |
| max usb ports | 2 + |
| microarchitecture | Vulcan + |
| model number | CN9978 + |
| name | ThunderX2 CN9978 + |
| package | FCLGA-4077 + |
| part number | CN9978-2300LG4077-Y21-G +, CN9978-2200LG4077-Y21-G +, CN9978-2100LG4077-Y21-G +, CN9978-2000LG4077-Y21-G + and CN9978-1800LG4077-Y21-G + |
| process | 16 nm (0.016 μm, 1.6e-5 mm) + |
| smp max ways | 2 + |
| supported memory type | DDR4-2666 + |
| technology | CMOS + |
| thread count | 120 + |
| word size | 64 bit (8 octets, 16 nibbles) + |