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CPU

Intel

Intel Core i7-990X Extreme Edition

Processor

CPU cores: 6^*
CPU threads: 12^*
Maximum boost clock: 3.73 GHz^*
Thermal design power: 130 W^*

No matched benchmark results are available for this entry yet.

Processing & platform

CPU cores: 6^*
CPU threads: 12^*
Base clock: 3.46 GHz^*
Maximum supported memory bandwidth: 25.60 GB/s^*
Maximum boost clock: 3.73 GHz^*
Architecture: Westmere^*
Socket / package: FCLGA1366 | LGA1366^*
Process node: 32 nm^*

Cache hierarchy

Reported cache^*
Size
12 MB^*
Level
Reported cache (level unstated)^*
Scope
Intel® Smart Cache^*

Memory & storage

Memory channels: 3^*

Supported memory

DDR3 1066^*

Power specifications

Thermal design power: 130 W^*

System configuration

Detailed specifications

Specifications 1 · 43 fields

Recommended Customer Price

$1059.00^*

Scope and conditions

source_native_row_context

Price scope: Historical source recommendation; not a current retail offer. The original currency notation is retained.^*

Total Cores

6^*

Total Threads

12^*

Max Turbo Frequency

3.73^* GHz

Processor Base Frequency

3.46^* GHz

Cache

12.0^* MB

Scope and conditions

source_native_row_context

Cache description: Intel® Smart Cache^*
Original declaration: 12 MB Intel® Smart Cache^*

Bus Speed

6.4^* GT/s

TDP

130^* W

# of QPI Links

1^*

Marketing Status

Discontinued^*

Launch Date

Q1'11^*

Servicing Status

End of Servicing Lifetime^*

Embedded Options Available

No^*

Max Memory Size (dependent on memory type)

24^* GB

Memory Types

DDR3 1066^*

Max # of Memory Channels

3^*

Max Memory Bandwidth

25.6^* GB/s

Physical Address Extensions

36-bit^*

ECC Memory Supported ‡

No^*

Sockets Supported

FCLGA1366 | LGA1366^*

Max CPU Configuration

1^*

Package Size

42.5mm X 45.0mm^*

Product Collection

Legacy Intel® Core™ Processors^*

Processing Die Size

239 mm2^*

# of Processing Die Transistors

million^*

TCASE

67.9^* °C

Intel® Turbo Boost Technology ‡

1.0^*

Intel® Hyper-Threading Technology ‡

Yes^*

Intel® 64 ‡

Yes^*

Instruction Set

64-bit^*

Vertical Segment

Desktop^*

Instruction Set Extensions

Intel® SSE4.2^*

Idle States

Yes^*

Enhanced Intel SpeedStep® Technology

Yes^*

Intel® Demand Based Switching

No^*

Thermal Monitoring Technologies

No^*

Processor Number

i7-990X^*

Intel® AES New Instructions

Yes^*

Intel® Trusted Execution Technology ‡

No^*

Execute Disable Bit ‡

Yes^*

Intel® Virtualization Technology (VT-x) ‡

Yes^*

Lithography

32^* nm

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

Yes^*

Specifications 2 · 5 fields

microarchitecture

Westmere^*

Scope and conditions

source_native_row_context

category: cpu^*
original_product_name: Intel Core i7-990X Extreme Edition^*
catalogue_reference: Intel Core i7-990X Extreme Edition^*
identity_scope: source-exact-processor-name^*
dataset_date: 2025-07-23^*

scope

Historical publisher declaration. Missing or conflicting observations remain unverified; no benchmark or tested performance inferred.^*

Reported core clock

3.467^* GHz

Scope and conditions

source_native_row_context

category: cpu^*
original_product_name: Intel Core i7-990X Extreme Edition^*
catalogue_reference: Intel Core i7-990X Extreme Edition^*
identity_scope: source-exact-processor-name^*
dataset_date: 2025-07-23^*

scope

Source calls this core clock; it is not relabelled as base, sustained or gaming clock.^*

core count

6^*

Scope and conditions

source_native_row_context

category: cpu^*
original_product_name: Intel Core i7-990X Extreme Edition^*
catalogue_reference: Intel Core i7-990X Extreme Edition^*
identity_scope: source-exact-processor-name^*
dataset_date: 2025-07-23^*

scope

Historical publisher declaration. Missing or conflicting observations remain unverified; no benchmark or tested performance inferred.^*

name

Intel Core i7-990X Extreme Edition^*

Scope and conditions

source_native_row_context

category: cpu^*
original_product_name: Intel Core i7-990X Extreme Edition^*
catalogue_reference: Intel Core i7-990X Extreme Edition^*
identity_scope: source-exact-processor-name^*
dataset_date: 2025-07-23^*

scope

Historical publisher declaration. Missing or conflicting observations remain unverified; no benchmark or tested performance inferred.^*

tdp

130^* W

Scope and conditions

source_native_row_context

category: cpu^*
original_product_name: Intel Core i7-990X Extreme Edition^*
catalogue_reference: Intel Core i7-990X Extreme Edition^*
identity_scope: source-exact-processor-name^*
dataset_date: 2025-07-23^*

scope

Historical publisher declaration. Missing or conflicting observations remain unverified; no benchmark or tested performance inferred.^*

* Provisional data