Essentials

Status

Launched

Launch Date

Q1'10

Processor Number

i5-661

# of Cores

2

# of Threads

4

Clock Speed

3.33 GHz

Max Turbo Frequency

3.6 GHz

Intel® Smart Cache

4 MB

Bus/Core Ratio

25

DMI

2.5 GT/s

Instruction Set

64-bit

Instruction Set Extensions

SSE4.2

Embedded Options Available

No

Lithography

32 nm

Max TDP

87 W

VID Voltage Range

0.6500V-1.4000V

Memory Specifications

Max Memory Size (dependent on memory type)

16 GB

Memory Types

DDR3-1066/1333

# of Memory Channels

2

Max Memory Bandwidth

21 GB/s

Physical Address Extensions

36-bit

Graphics Specifications

Integrated Graphics

Yes

Graphics Base Frequency

900 MHz

Intel® Flexible Display Interface (Intel® FDI)

Yes

Intel® Clear Video HD Technology

Yes

Dual Display Capable

Yes

# of Displays Supported

2

Expansion Options

PCI Express Revision

2.0

PCI Express Configurations

1x16, 2x8

# of PCI Express Lanes

1

Package Specifications

Max CPU Configuration

1

T_CASE

69.8°C

Package Size

37.5mm x 37.5mm

Processing Die Size

81 mm²

# of Processing Die Transistors

382 million

Graphics and IMC Lithography

45 nm

Graphics and IMC Die Size

114 mm²

# of Graphics and IMC Die Transistors

177 million

Sockets Supported

FCLGA1156

Low Halogen Options Available

See MDDS

Advanced Technologies

Intel® Turbo Boost Technology

Yes

Intel® vPro Technology

No

Intel® Hyper-Threading Technology

Yes

Intel® Virtualization Technology (VT-x)

Yes

Intel® Trusted Execution Technology

No

AES New Instructions

Yes

Intel® 64

Yes

Idle States

Yes

Enhanced Intel SpeedStep® Technology

Yes

Intel® Demand Based Switching

No

Thermal Monitoring Technologies

No

Execute Disable Bit

Yes

Intel® VT-x with Extended Page Tables (EPT)

Yes