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Core i7-840QM - Intel
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Template:mpu Core i7-820QM is a 64-bit x86 quad-core mobile performance microprocessor introduced by Intel late 2010. The processor has a base frequency of 1.86 GHz with a turbo frequency of 3.20 GHz and a TDP of 45 W. This MPU is based on the Clarksfield core (Nehalem) and is manufactured on Intel's 45 nm process.

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Core i7-840QM - Intel#io +
base frequency1,866.66 MHz (1.867 GHz, 1,866,660 kHz) +
bus rate2,500 MT/s (2.5 GT/s, 2,500,000 kT/s) +
bus typeDMI 1.0 +
chipsetIbex Peak +
clock multiplier14 +
core count4 +
core family6 +
core model30 +
core nameClarksfield +
core steppingB1 +
core voltage1.075 V (10.75 dV, 107.5 cV, 1,075 mV) +
core voltage tolerance0.325 V +
designerIntel +
die area296 mm² (0.459 in², 2.96 cm², 296,000,000 µm²) +
familyCore i7 +
first announcedJune 22, 2010 +
first launchedJune 22, 2010 +
full page nameintel/core i7/i7-840qm +
has ecc memory supportfalse +
has extended page tables supporttrue +
has featureHyper-Threading Technology +, Turbo Boost Technology 1.0 +, Enhanced SpeedStep Technology +, Trusted Execution Technology +, Intel vPro Technology +, Intel VT-x +, Intel VT-d + and Extended Page Tables +
has intel enhanced speedstep technologytrue +
has intel trusted execution technologytrue +
has intel turbo boost technology 1 0true +
has intel vpro technologytrue +
has intel vt-d technologytrue +
has intel vt-x technologytrue +
has locked clock multipliertrue +
has second level address translation supporttrue +
has simultaneous multithreadingtrue +
instance ofmicroprocessor +
l1$ size256 KiB (262,144 B, 0.25 MiB) +
l1d$ description8-way set associative +
l1d$ size128 KiB (131,072 B, 0.125 MiB) +
l1i$ description4-way set associative +
l1i$ size128 KiB (131,072 B, 0.125 MiB) +
l2$ description8-way set associative +
l2$ size1 MiB (1,024 KiB, 1,048,576 B, 9.765625e-4 GiB) +
l3$ description16-way set associative +
l3$ size8 MiB (8,192 KiB, 8,388,608 B, 0.00781 GiB) +
ldateJune 22, 2010 +
manufacturerIntel +
market segmentMobile +
max cpu count1 +
max junction temperature373.15 K (100 °C, 212 °F, 671.67 °R) +
max memory8,192 MiB (8,388,608 KiB, 8,589,934,592 B, 8 GiB, 0.00781 TiB) +
max memory bandwidth19.87 GiB/s (20,346.88 MiB/s, 21.335 GB/s, 21,335.25 MB/s, 0.0194 TiB/s, 0.0213 TB/s) +
max memory channels2 +
max pcie lanes16 +
max storage temperature398.15 K (125 °C, 257 °F, 716.67 °R) +
microarchitectureNehalem +
min junction temperature273.15 K (0 °C, 32 °F, 491.67 °R) +
min storage temperature248.15 K (-25 °C, -13 °F, 446.67 °R) +
model numberi7-840QM +
nameIntel Core i7-840QM +
part numberBY80607002901AI + and BX80607I7840QM +
platformCalpella +
process45 nm (0.045 μm, 4.5e-5 mm) +
release price$ 568.00 (€ 511.20, £ 460.08, ¥ 58,691.44) +
s-specSLBMP +
smp max ways1 +
supported memory typeDDR3-1333 +
tdp45 W (45,000 mW, 0.0603 hp, 0.045 kW) +
technologyCMOS +
thread count8 +
transistor count774,000,000 +
turbo frequency (1 core)3,199.99 MHz (3.2 GHz, 3,199,990 kHz) +
turbo frequency (2 cores)2,933.33 MHz (2.933 GHz, 2,933,330 kHz) +
turbo frequency (3 cores)1,999.99 MHz (2 GHz, 1,999,990 kHz) +
turbo frequency (4 cores)1,999.99 MHz (2 GHz, 1,999,990 kHz) +
word size64 bit (8 octets, 16 nibbles) +