base frequency | 25 MHz (0.025 GHz, 25,000 kHz) + |
bus rate | 25 MT/s (0.025 GT/s, 25,000 kT/s) + |
bus speed | 25 MHz (0.025 GHz, 25,000 kHz) + |
bus type | FSB + |
clock multiplier | 1 + |
core count | 1 + |
core name | 486SX + |
core voltage | 5 V (50 dV, 500 cV, 5,000 mV) + |
core voltage tolerance | 5% + |
cpuid | 420 +, 422 +, 423 +, 427 +, 428 + and 42A + |
designer | Intel + |
family | 80486 + |
first launched | September 16, 1991 + |
full page name | intel/80486/486sx-25 + |
instance of | microprocessor + |
l1$ description | 4-way set associative + |
l1$ size | 8 KiB (8,192 B, 0.00781 MiB) + |
ldate | September 16, 1991 + |
main image | + |
main image caption | A80486SX-25, S-Spec SX679 + |
manufacturer | Intel + |
max cpu count | 1 + |
max memory | 4,096 MiB (4,194,304 KiB, 4,294,967,296 B, 4 GiB, 0.00391 TiB) + |
max operating temperature | 85 °C + |
microarchitecture | 80486 + |
min operating temperature | 0 °C + |
model number | i486SX-25 + |
name | Intel i486SX-25 + |
part number | A80486SX-25 +, KU80486SX-25 +, SB80486SX-25 + and FA80486SX-25 + |
power dissipation | 2.2 W (2,200 mW, 0.00295 hp, 0.0022 kW) + |
process | 1,000 nm (1 μm, 0.001 mm) + and 800 nm (0.8 μm, 8.0e-4 mm) + |
s-spec | SX411 +, SX468 +, SX514 +, SX586 +, SX673 +, SX676 +, SX683 +, SX763 +, SX779 +, SX788 +, SX792 +, SX800 +, SX852 +, SX934 +, SX679 +, SX693 +, SX719 +, SX790 +, SX798 +, SX826 +, SX838 +, SX846 +, SX903 + and SX930 + |
s-spec (qs) | Q0152 + and Q0186 + |
series | 486SX + |
smp max ways | 1 + |
technology | CMOS + |
transistor count | 1,185,000 + |
word size | 32 bit (4 octets, 8 nibbles) + |