General information

Type CPU / Microprocessor

Market segment Desktop

Family

Intel Pentium Dual-Core

Model number

E2140

CPU part numbers

HH80557PG0251M is an OEM/tray microprocessor

BX80557E2140 is a boxed processor with fan and heatsink (English version)

BXC80557E2140 is a boxed processor with fan and heatsink (Chinese version)

Frequency 1600 MHz

Bus speed 800 MHz

Clock multiplier 8

Package 775-land Flip Chip Land Grid Array (FC-LGA6)

1.48" x 1.48" (3.75 cm x 3.75 cm)

Socket Socket 775

Introduction date May 2007

S-spec numbers

Part number Production processors

  SLA3J SLA93 SLALS

BX80557E2140 + +  

BXC80557E2140 + +  

HH80557PG0251M + + +

Architecture / Microarchitecture

Microarchitecture Core

Processor core Allendale

Core steppings G0 (SLALS)

L2 (SLA3J)

M0 (SLA93)

CPUIDs 6F2 (SLA3J)

6FB (SLALS)

6FD (SLA93)

Manufacturing process 0.065 micron

Data width 64 bit

The number of CPU cores 2

The number of threads 2

Floating Point Unit Integrated

Level 1 cache size 2 x 32 KB 8-way set associative instruction caches

2 x 32 KB 8-way set associative data caches

Level 2 cache size 1 MB 4-way set associative shared cache

Cache latency 3 (L1 cache)

14 (L2 cache)

Multiprocessing Uniprocessor

Extensions and Technologies

MMX instructions

SSE / Streaming SIMD Extensions

SSE2 / Streaming SIMD Extensions 2

SSE3 / Streaming SIMD Extensions 3

SSSE3 / Supplemental Streaming SIMD Extensions 3

EM64T / Extended Memory 64 technology / Intel 64

NX / XD / Execute disable bit

Low power features

Halt mode

Extended Halt mode

Stop Grant mode

Enhanced SpeedStep technology