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Core i7-975 Extreme Edition
General Info
Designer	Intel
Manufacturer	Intel
Model Number	i7-975
Part Number	AT80601002274AA, BX80601975
S-Spec	SLBEQ Q1HH (QS)
Market	Desktop
Introduction	Jun 2, 2009 (announced) Jun 2, 2009 (launched)
End-of-life	February 2011 (last order) August 2011 (last shipment)
Shop	Amazon
General Specs
Family	Core i7EE
Series	Core i7-900
Locked	No
Frequency	3333 MHz
Turbo Frequency	Yes
Turbo Frequency	3600 MHz (1 core), 3467 MHz (2 cores), 3467 MHz (3 cores), 3467 MHz (4 cores)
Bus type	QPI
Bus speed	3200 MHz
Bus rate	6.4 GT/s
Clock multiplier	25
CPUID	106A5
Microarchitecture
Microarchitecture	Nehalem
Platform	X58
Core Name	Bloomfield
Core Stepping	D0
Process	45 nm
Transistors	731,000,000
Technology	CMOS
Die	263 mm²
Word Size	64 bit
Cores	4
Threads	8
Max Memory	24 GiB
Multiprocessing
Max SMP	1-Way (Uniprocessor)
Electrical
TDP	130 W
OP Temperature	5 °C – 67.9 °C

The Core i7-975 Extreme Edition is a 64-bit quad-core microprocessor introduced by Intel in mid-2009. The i7-975 along with the i7-965 became Intel's flagship desktop microprocessors for the Nehalem microarchitecture. This processor operates at 3.33 GHz with turbo frequency of up to 3.6 GHz for a single core. This chip supports up to 24 GiB of memory and has a thermal design power of 130 W.

Cache

Main article: Nehalem's Cache

Cache Info [Edit Values]
L1I$	128 KiB 131,072 B 0.125 MiB	4x32 KiB 4-way set associative (per core; writeback/allocate)
L1D$	128 KiB 131,072 B 0.125 MiB	4x32 KiB 8-way set associative (per core; writeback/allocate)
L2$	1 MiB 1,024 KiB 1,048,576 B 9.765625e-4 GiB	4x256 KiB 8-way set associative (per core; writeback/allocate)
L3$	8 MiB 8,192 KiB 8,388,608 B 0.00781 GiB	16-way set associative (writeback/allocate)

Memory controller

Integrated Memory Controller
Type	DDR3-800, DDR3-1066
Controllers	1
Channels	3
ECC Support	No
Max bandwidth	25,600 MB/s
Max memory	24 GiB

Graphics

This MPU has no integrated graphics processing unit.

Features

[Edit/Modify Supported Features]

	Supported x86 Extensions & Processor Features
	MMX MMX Extension SSE Streaming SIMD Extensions SSE2 Streaming SIMD Extensions 2 SSE3 Streaming SIMD Extensions 3 SSSE3 Supplemental SSE3 NX No-eXecute HT Hyper-Threading TBT 1.0 Turbo Boost Technology 1.0 EIST Enhanced SpeedStep Technology EPT Extended Page Tables (SLAT)

See also

• Core i7 Extreme Edition