base frequency | 3,800 MHz (3.8 GHz, 3,800,000 kHz) + |
chipset | Lewisburg + |
clock multiplier | 38 + |
core count | 4 + |
core family | 6 + |
core name | Cascade Lake SP + |
core stepping | B1 + |
cpuid | 0x50655 + |
designer | Intel + |
family | Xeon Platinum + |
first announced | April 2, 2019 + |
first launched | April 2, 2019 + |
full page name | intel/xeon platinum/8256 + |
has locked clock multiplier | true + |
instance of | microprocessor + |
isa | x86-64 + |
isa family | x86 + |
l1$ size | 256 KiB (262,144 B, 0.25 MiB) + |
l1d$ description | 8-way set associative + |
l1d$ size | 128 KiB (131,072 B, 0.125 MiB) + |
l1i$ description | 8-way set associative + |
l1i$ size | 128 KiB (131,072 B, 0.125 MiB) + |
l2$ description | 16-way set associative + |
l2$ size | 4 MiB (4,096 KiB, 4,194,304 B, 0.00391 GiB) + |
l3$ description | 11-way set associative + |
l3$ size | 16.5 MiB (16,896 KiB, 17,301,504 B, 0.0161 GiB) + |
ldate | April 2, 2019 + |
main image | + |
manufacturer | Intel + |
market segment | Server + |
max cpu count | 8 + |
max memory | 1,048,576 MiB (1,073,741,824 KiB, 1,099,511,627,776 B, 1,024 GiB, 1 TiB) + |
microarchitecture | Cascade Lake + |
model number | 8256 + |
name | Xeon Platinum 8256 + |
package | FCLGA-3647 + |
part number | CD8069504194701 + |
platform | Purley + |
process | 14 nm (0.014 μm, 1.4e-5 mm) + |
release price | $ 7,007.00 (€ 6,306.30, £ 5,675.67, ¥ 724,033.31) + and $ 7,014.00 (€ 6,312.60, £ 5,681.34, ¥ 724,756.62) + |
release price (box) | $ 7,014.00 (€ 6,312.60, £ 5,681.34, ¥ 724,756.62) + |
release price (tray) | $ 7,007.00 (€ 6,306.30, £ 5,675.67, ¥ 724,033.31) + |
s-spec | SRF94 + |
series | 8200 + |
smp max ways | 8 + |
socket | Socket P + and LGA-3647 + |
tdp | 105 W (105,000 mW, 0.141 hp, 0.105 kW) + |
technology | CMOS + |
thread count | 8 + |
turbo frequency (1 core) | 3,900 MHz (3.9 GHz, 3,900,000 kHz) + |
word size | 64 bit (8 octets, 16 nibbles) + |