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Core i7-990X Extreme Edition - Intel
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Core i7-990X Extreme Edition
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General Info
DesignerIntel
ManufacturerIntel
Model Numberi7-990X
Part NumberAT80613005931AA,
BX80613I7990X
S-SpecSLBVZ
Q4F6 (QS)
MarketDesktop
IntroductionFebruary 13, 2011 (announced)
February 13, 2011 (launched)
End-of-lifeJun 29, 2012 (last order)
Dec 07, 2012 (last shipment)
General Specs
FamilyCore i7EE
SeriesCore i7-900
LockedNo
Frequency3460 MHz
Turbo FrequencyYes
Turbo Frequency3733 MHz (1 core),
3733 MHz (2 cores),
3600 MHz (3 cores),
3600 MHz (4 cores),
3600 MHz (5 cores),
3600 MHz (6 cores)
Bus typeQPI
Bus speed3200 MHz
Bus rate6.4 GT/s
Clock multiplier26
CPUID206C2
Microarchitecture
MicroarchitectureWestmere
PlatformBoxboro
Core NameGulftown
Core SteppingB1
Process32 nm
TechnologyCMOS
Die239 mm²
Word Size64 bit
Cores6
Threads12
Max CPUs1 (Uniprocessor)
Max Memory24 GiB
Electrical
TDP130 W
OP Temperature5 °C – 67.9 °C

The Core i7-990X Extreme Edition was a 64-bit hexa-core microprocessor introduced by Intel in early 2011. The i7-990X was manufactured in 32 nm process based on the Westmere microarchitecture. The chip operates at 3.46 GHz with a maximum turbo frequency of 3.73 GHz. This MPU supports up to 24 GiB of memory and has a thermal design power of 130 W.

Cache[edit]

Main article: Westmere's Cache
Cache Info [Edit Values]
L1I$ 192 KiB
0.188 MiB
196,608 B
1.831055e-4 GiB
6x32 KiB 4-way set associative (per core)
L1D$ 192 KiB
0.188 MiB
196,608 B
1.831055e-4 GiB
6x32 KiB 8-way set associative (per core)
L2$ 1.5 MiB
1,536 KiB
1,572,864 B
0.00146 GiB
6x256 KiB 8-way set associative (per core)
L3$ 12 MiB
12,288 KiB
12,582,912 B
0.0117 GiB
16-way set associative (writeback/allocate)

Memory controller[edit]

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

Graphics[edit]

This MPU has no integrated graphics processing unit.

Features[edit]

See also[edit]

base frequency3,460 MHz (3.46 GHz, 3,460,000 kHz) +
bus rate6,400 MT/s (6.4 GT/s, 6,400,000 kT/s) +
bus speed3,200 MHz (3.2 GHz, 3,200,000 kHz) +
bus typeQPI +
clock multiplier26 +
core count6 +
core nameGulftown +
core steppingB1 +
cpuid206C2 +
designerIntel +
die area239 mm² (0.37 in², 2.39 cm², 239,000,000 µm²) +
familyCore i7EE +
first announcedFebruary 13, 2011 +
first launchedFebruary 13, 2011 +
full page nameintel/core i7ee/i7-990x +
has extended page tables supporttrue +
has featureAdvanced Encryption Standard Instruction Set Extension +, Hyper-Threading Technology +, Turbo Boost Technology 1.0 +, Enhanced SpeedStep Technology + and Extended Page Tables +
has intel enhanced speedstep technologytrue +
has intel turbo boost technology 1 0true +
has locked clock multiplierfalse +
has second level address translation supporttrue +
has simultaneous multithreadingtrue +
has x86 advanced encryption standard instruction set extensiontrue +
instance ofmicroprocessor +
l1d$ description8-way set associative +
l1d$ size0.188 MiB (192 KiB, 196,608 B, 1.831055e-4 GiB) +
l1i$ description4-way set associative +
l1i$ size0.188 MiB (192 KiB, 196,608 B, 1.831055e-4 GiB) +
l2$ description8-way set associative +
l2$ size1.5 MiB (1,536 KiB, 1,572,864 B, 0.00146 GiB) +
l3$ description16-way set associative +
l3$ size12 MiB (12,288 KiB, 12,582,912 B, 0.0117 GiB) +
last orderJune 29, 2012 +
last shipmentDecember 7, 2012 +
ldateFebruary 13, 2011 +
manufacturerIntel +
market segmentDesktop +
max cpu count1 +
max memory24,576 MiB (25,165,824 KiB, 25,769,803,776 B, 24 GiB, 0.0234 TiB) +
max operating temperature67.9 °C +
microarchitectureWestmere +
min operating temperature5 °C +
model numberi7-990X +
nameCore i7-990X Extreme Edition +
part numberAT80613005931AA + and BX80613I7990X +
platformBoxboro +
process32 nm (0.032 μm, 3.2e-5 mm) +
s-specSLBVZ +
s-spec (qs)Q4F6 +
seriesCore i7-900 +
tdp130 W (130,000 mW, 0.174 hp, 0.13 kW) +
technologyCMOS +
thread count12 +
turbo frequency (1 core)3,733 MHz (3.733 GHz, 3,733,000 kHz) +
turbo frequency (2 cores)3,733 MHz (3.733 GHz, 3,733,000 kHz) +
turbo frequency (3 cores)3,600 MHz (3.6 GHz, 3,600,000 kHz) +
turbo frequency (4 cores)3,600 MHz (3.6 GHz, 3,600,000 kHz) +
turbo frequency (5 cores)3,600 MHz (3.6 GHz, 3,600,000 kHz) +
turbo frequency (6 cores)3,600 MHz (3.6 GHz, 3,600,000 kHz) +
word size64 bit (8 octets, 16 nibbles) +