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Upgrading and Repairing PCs (21st Edition)
Upgrading and Repairing PCs (21st Edition), by Scott Mueller (Que Publishing), starting at $33.98
Home » CPU
All Core i7 Models
Author: Richard Vertrees and Rafael Otto Coelho and Gabriel Torres
Type: Tutorials Last Updated: October 18, 2013
Page: 2 of 9
First-Generation Core i7 Desktop Models

In the table below, we listed all Core i7-8xx and Core i7-9xx CPU models. These are desktop models based on the Nehalem microarchitecture. They are also called first-generation Core i7 processors.

The 8xx models are based on socket LGA1156 and support 1,066 MHz and 1,333 MHz DDR3 memories under dual-channel architecture. These models have an integrated PCI Express 2.0 controller supporting one x16 datapath or two x8 datapaths. On these CPUs, communication with the motherboard chipset is achieved through a DMI bus (1 GB/s per direction, listed as 2.5 GT/s by Intel).

The 9xx models are based on socket LGA1366 and support 1,066 MHz memories under triple-channel architecture. These models don’t have an integrated PCI Express controller and they talk to the motherboard chipset using a QPI bus working at 2.4 GHz (4.8 GB/s) on the “regular” models or at 3.2 GHz (6.4 GB/s) on the “Extreme” models, which are listed in a separate table below.

The first-generation Core i7 desktop models are quad-core or six-core CPUs using the Hyper-Threading technology. This means that the operating system will recognize all these CPUs as having eight or 12 cores. However, only half the cores are “real;” the other half is simulated.

sSpec

Model

Clock

Turbo Boost

Cores

HT

Video

L3 Cache

Tech.

TDP (W)

Max. Temp. (°C)*

Socket

SLBYU

980

3.33 GHz

3.60 GHz

6

Yes

No

12 MiB

32 nm

130

68.8

LGA1366

SLBVF

970

3.20 GHz

3.46 GHz

6

Yes

No

12 MiB

32 nm

130

67.9

LGA1366

SLBEU

960

3.20 GHz

3.46 GHz

4

Yes

No

8 MiB

45 nm

130

67.9

LGA1366

SLBEN

950

3.06 GHz

3.32 GHz

4

Yes

No

8 MiB

45 nm

130

67.9

LGA1366

SLBCK

940

2.93 GHz

3.20 GHz

4

Yes

No

8 MiB

45 nm

130

67.9

LGA1366

SLBKP

930

2.80 GHz

3.06 GHz

4

Yes

No

8 MiB

45 nm

130

67.9

LGA1366

SLBEJ

920

2.66 GHz

2.93 GHz

4

Yes

No

8 MiB

45 nm

130

67.9

LGA1366

SLBCH

920

2.66 GHz

2.93 GHz

4

Yes

No

8 MiB

45 nm

130

67.9

LGA1366

SLBPS

880

3.06 GHz

3.74 GHz

4

Yes

No

8 MiB

45 nm

95

72.7

LGA1156

SLBS2

875K

2.93 GHz

3.60 GHz

4

Yes

No

8 MiB

45 nm

95

72.7

LGA1156

SLBQ7

870S

2.66 GHz

3.60 GHz

4

Yes

No

8 MiB

45 nm

82

NA

LGA1156

SLBJG

870

2.93 GHz

3.60 GHz

4

Yes

No

8 MiB

45 nm

95

72.7

LGA1156

SLBLG

860s

2.53 GHz

3.46 GHz

4

Yes

No

8 MiB

45 nm

82

76.7

LGA1156

SLBJJ

860

2.80 GHz

3.46 GHz

4

Yes

No

8 MiB

45 nm

95

72.7

LGA1156

In the table below, you will find all first-generation Core i7 Extreme models for desktops. These models have the QPI bus running at a higher clock rate (3.2 GHz, 6.4 GB/s) and come with their clock multiplier and Turbo Boost options unlocked, providing additional overclocking options.

sSpec

Model

Internal Clock

Turbo Boost

Cores

HT

Video

L3 Cache

Tech.

TDP (W)

Max. Temp. (°C)*

Socket

SLBVZ

990X

3.46 GHz

3.73 GHz

6

Yes

No

12 MiB

32 nm

130

67.9

LGA1366

SLBUZ

980X

3.33 GHz

3.60 GHz

6

Yes

No

12 MiB

32 nm

130

67.9

LGA1366

SLBEQ

975

3.33 GHz

3.60 GHz

4

Yes

No

8 MiB

45 nm

130

67.9

LGA1366

SLBCJ

965

3.20 GHz

3.46 GHz

4

Yes

No

8 MiB

45 nm

130

67.9

LGA1366

TDP stands for Thermal Design Power and indicates the CPU maximum thermal dissipation, i.e., the CPU cooler must be able to dissipate at least this amount of heat.

* The temperatures listed above are Tcase, which is the maximum external temperature of the CPU. On some other models, the manufacturer lists Tjunction, which is the maximum internal temperature of the CPU. The two are not comparable.

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