Intel Core 2 Duo E7400 vs Intel Pentium D 940

Table of Contents

Physical Specifications

Socket Intel Socket 775 Intel Socket 775
Foundry Intel Intel
Process size 45 nm 65 nm
Transistors 228 million 376 million
Die size 82 mm² 140 mm²
Package FC-LGA6 FC-LGA4
tCaseMax 74°C

Performance

Frequency 2.8 GHz 3.2 GHz
Turbo clock
Base clock 266 MHz 200 MHz
Multiplier 10.5x 16.0x
Multiplier unlocked No No
Voltage 1.11 V 1.33 V
TDP 65 W 130 W

Architecture Details

Vertical Segment Desktop Desktop
Production status End-of-life End-of-life
Release date Oct 10th, 2008 Jan 16th, 2006
Codename Wolfdale Presler
Generation Core 2 Duo Pentium D
Part SLGW3 SL94Q
Memory support DDR1, DDR2, DDR3 Dual-channel DDR1, DDR2, DDR3 Dual-channel
ECC memory No No
PCI Express Gen 2 Gen 2

Cores

Total Cores 2 2
Total Threads 2 2
SMP # CPUs 1 2
Integrated graphics

Cache

Cache L1 64K (per core) 28K
Cache L2 3MB (shared) 4MB

Features & Technologies

C1E Yes
C2E Yes
EIST Yes Yes
Intel 64 Yes Yes
MMX Yes Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4 Yes
VT Yes

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