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Core i7-3960X Extreme Edition - Intel
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Core i7-3960X Extreme Edition
General Info
DesignerIntel
ManufacturerIntel
Model Numberi7-3960X
Part NumberCM8061907184018,
CM8061907184017,
BX80619I73960X
S-SpecSR0GW, SR0KF
QBU9 (QS), QBE7 (QS)
MarketDesktop
IntroductionNovember 14, 2011 (announced)
November 14, 2011 (launched)
End-of-lifeSeptember 26, 2014 (last order)
March 6, 2015 (last shipment)
General Specs
FamilyCore i7EE
SeriesCore i7-3900
LockedNo
Frequency3300 MHz
Turbo FrequencyYes
Turbo Frequency3900 MHz (1 core),
3900 MHz (2 cores),
3800 MHz (3 cores),
3800 MHz (4 cores),
3600 MHz (5 cores),
3600 MHz (6 cores)
Bus typeDMI 2.0
Bus rate5 GT/s
Clock multiplier33
CPUID206D7
Microarchitecture
MicroarchitectureSandy Bridge
Platform6 Series Chipset
Core NameSandy Bridge E
Core SteppingC1, C2
Process32 nm
Transistors2,270,000,000
TechnologyCMOS
Die434.72 mm²
20.9 mm × 20.8 mm
Word Size64 bit
Cores6
Threads12
Max CPUs1 (Uniprocessor)
Max Memory64 GiB
Electrical
TDP130 W
OP Temperature0 °C – 66.8 °C

The Core i7-3960X Extreme Edition was a 64-bit high-end hexa-core microprocessor introduced by Intel in late 2011. The i7-3960X operates at 3.3 GHz with turbo mode of up to 3.9 GHz. Fabricated in 32 nm based on the Sandy Bridge microarchitecture, this chip supports up to 64 GiB (DDR3) of memory and has a Thermal Design Power of 130 W.

Cache[edit]

Main article: Sandy Bridge § Cache
Cache Info [Edit Values]
L1I$ 192 KiB
0.188 MiB
196,608 B
1.831055e-4 GiB
6x32 KiB 8-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$ 1,536 KiB
1.5 MiB
1,572,864 B
0.00146 GiB
6x256 KiB 8-way set associative (per core)
L3$ 15 MiB
15,360 KiB
15,728,640 B
0.0146 GiB
20-way set associative (shared)

Graphics[edit]

This SoC has no integrated graphics processing unit.

Memory controller[edit]

Integrated Memory Controller
Type DDR3-1066, DDR3-1333, DDR3-1600
Controllers 1
Channels 4
ECC Support No
Max bandwidth 51.2 GB/s
Max memory 64 GiB

Expansions[edit]

[Edit/Modify Expansions Info]

ide icon.svg
Expansion Options
PCIe
Revision2.00
Max Lanes40
Configsx1, x4, x8

Features[edit]

  • Note: VT-d support is only available on the C2 stepping version.

Die shot[edit]

  • 6 cores (Note: die contains 2 fused off cores)
  • 2,270,000,000 transistors
  • 20.8 mm x 20.9 mm
  • 434.72 mm²

core i7-3960x extreme edition.png

core i7-3960x extreme edition (annotated).png

See also[edit]

base frequency3,300 MHz (3.3 GHz, 3,300,000 kHz) +
bus rate5,000 MT/s (5 GT/s, 5,000,000 kT/s) +
bus typeDMI 2.0 +
clock multiplier33 +
core count6 +
core nameSandy Bridge E +
core steppingC1 + and C2 +
cpuid206D7 +
designerIntel +
die area434.72 mm² (0.674 in², 4.347 cm², 434,720,000 µm²) +
die length20.9 mm (2.09 cm, 0.823 in, 20,900 µm) +
die width20.8 mm (2.08 cm, 0.819 in, 20,800 µm) +
familyCore i7EE +
first announcedNovember 14, 2011 +
first launchedNovember 14, 2011 +
full page nameintel/core i7ee/i7-3960x +
has advanced vector extensionstrue +
has extended page tables supporttrue +
has featureAdvanced Vector Extensions +, Advanced Encryption Standard Instruction Set Extension +, Hyper-Threading Technology +, Turbo Boost Technology 2.0 +, Enhanced SpeedStep Technology + and Extended Page Tables +
has intel enhanced speedstep technologytrue +
has intel turbo boost technology 2 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$ description8-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$ description20-way set associative +
l3$ size15 MiB (15,360 KiB, 15,728,640 B, 0.0146 GiB) +
last orderSeptember 26, 2014 +
last shipmentMarch 6, 2015 +
ldateNovember 14, 2011 +
manufacturerIntel +
market segmentDesktop +
max cpu count1 +
max memory65,536 MiB (67,108,864 KiB, 68,719,476,736 B, 64 GiB, 0.0625 TiB) +
max operating temperature66.8 °C +
max pcie lanes40 +
microarchitectureSandy Bridge +
min operating temperature0 °C +
model numberi7-3960X +
nameCore i7-3960X Extreme Edition +
part numberCM8061907184018 +, CM8061907184017 + and BX80619I73960X +
platform6 Series Chipset +
process32 nm (0.032 μm, 3.2e-5 mm) +
s-specSR0GW + and SR0KF +
s-spec (qs)QBU9 + and QBE7 +
seriesCore i7-3900 +
tdp130 W (130,000 mW, 0.174 hp, 0.13 kW) +
technologyCMOS +
thread count12 +
transistor count2,270,000,000 +
turbo frequency (1 core)3,900 MHz (3.9 GHz, 3,900,000 kHz) +
turbo frequency (2 cores)3,900 MHz (3.9 GHz, 3,900,000 kHz) +
turbo frequency (3 cores)3,800 MHz (3.8 GHz, 3,800,000 kHz) +
turbo frequency (4 cores)3,800 MHz (3.8 GHz, 3,800,000 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) +