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'''Pentium B940''' is a {{arch|64}} [[dual-core]] budget mobile [[x86]] microprocessor introduced by Intel in 2012. Fabricated on a [[32 nm process]] based on the {{intel|Sandy Bridge|l=arch}} microarchitecture, this chip operates at 2 GHz with a TDP of 35 W. The Pentium B940 supports up to 16 GiB of dual-channel DDR4-1333 memory and incorporates Intel's {{intel|HD Graphics (Sandy Bridge)|HD Graphics}} [[IGP]] operating at 650 MHz with a burst frequency of 1.1 GHz.
  
 
== Cache ==
 
== Cache ==

Latest revision as of 15:25, 13 December 2017

Edit Values
Pentium B940
General Info
DesignerIntel
ManufacturerIntel
Model NumberB940
Part NumberFF8062700847801
S-SpecSR07S
MarketMobile
IntroductionJune 13, 2011 (announced)
June 13, 2011 (launched)
Release Price$134
ShopAmazon
General Specs
FamilyPentium
Series900
LockedYes
Frequency2,000 MHz
Bus typeDMI 2.0
Bus rate4 × 5 GT/s
Clock multiplier20
CPUID0x206A7
Microarchitecture
ISAx86-64 (x86)
MicroarchitectureSandy Bridge
PlatformSandy Bridge M
ChipsetCougar Point
Core NameSandy Bridge M
Core Family6
Core Model42
Core SteppingQ0
Process32 nm
Transistors504,000,000
TechnologyCMOS
Die131 mm²
Word Size64 bit
Cores2
Threads2
Max Memory16 GiB
Multiprocessing
Max SMP1-Way (Uniprocessor)
Electrical
Power (idle)3.1 W
Vcore0.3 V-1.52 V
TDP35 W
Tjunction0 °C – 100 °C
Tstorage-25 °C – 125 °C
Packaging
PackagerPGA988B (PGA)
Dimension37.5 mm x 37.5 mm
Pitch1 mm
Contacts988
SocketSocket G2

Pentium B940 is a 64-bit dual-core budget mobile x86 microprocessor introduced by Intel in 2012. Fabricated on a 32 nm process based on the Sandy Bridge microarchitecture, this chip operates at 2 GHz with a TDP of 35 W. The Pentium B940 supports up to 16 GiB of dual-channel DDR4-1333 memory and incorporates Intel's HD Graphics IGP operating at 650 MHz with a burst frequency of 1.1 GHz.

Cache[edit]

Main article: Sandy Bridge § Cache

[Edit/Modify Cache Info]

hierarchy icon.svg
Cache Organization
Cache is a hardware component containing a relatively small and extremely fast memory designed to speed up the performance of a CPU by preparing ahead of time the data it needs to read from a relatively slower medium such as main memory.

The organization and amount of cache can have a large impact on the performance, power consumption, die size, and consequently cost of the IC.

Cache is specified by its size, number of sets, associativity, block size, sub-block size, and fetch and write-back policies.

Note: All units are in kibibytes and mebibytes.
L1$128 KiB
131,072 B
0.125 MiB
L1I$64 KiB
65,536 B
0.0625 MiB
2x32 KiB8-way set associative 
L1D$64 KiB
65,536 B
0.0625 MiB
2x32 KiB8-way set associativewrite-back
L2$512 KiB
0.5 MiB
524,288 B
4.882812e-4 GiB
  2x256 KiB8-way set associativewrite-back
L3$2 MiB
2,048 KiB
2,097,152 B
0.00195 GiB
  2x1 MiB8-way set associativewrite-back

Memory controller[edit]

[Edit/Modify Memory Info]

ram icons.svg
Integrated Memory Controller
Max TypeDDR3-1333, DDR3-1066
Supports ECCNo
Max Mem16 GiB
Controllers1
Channels2
Max 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
Bandwidth
Single 9.93 GiB/s
Double 19.87 GiB/s

Expansions[edit]

[Edit/Modify Expansions Info]

ide icon.svg
Expansion Options
PCIeRevision: 2.0
Max Lanes: 16
Configuration: 1x16, 2x8, 1x8+2x4


Graphics[edit]

[Edit/Modify IGP Info]

screen icon.svg
Integrated Graphics Information
GPUHD Graphics (Sandy Bridge)
DesignerIntelDevice ID0x0106
Execution Units6Max Displays2
Frequency650 MHz
0.65 GHz
650,000 KHz
Burst Frequency1,100 MHz
1.1 GHz
1,100,000 KHz
OutputDP, eDP, HDMI, SDVO, CRT
Standards
DirectX10.1
OpenGL3.1
DP1.1
eDP1.1
HDMI1.4
Additional Features
Intel Flexible Display Interface (FDI)

Features[edit]

Retrieved from "https://en.wikichip.org/w/index.php?title=intel/pentium_(2009)/b940&oldid=70874"
Facts about "Pentium B940 - Intel"
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Has subobject
"Has subobject" is a predefined property representing a container construct and is provided by Semantic MediaWiki.
Pentium B940 - Intel#package + and Pentium B940 - Intel#pcie +
base frequency2,000 MHz (2 GHz, 2,000,000 kHz) +
bus links4 +
bus rate5,000 MT/s (5 GT/s, 5,000,000 kT/s) +
bus typeDMI 2.0 +
chipsetCougar Point +
clock multiplier20 +
core count2 +
core family6 +
core model42 +
core nameSandy Bridge M +
core steppingQ0 +
core voltage (max)1.52 V (15.2 dV, 152 cV, 1,520 mV) +
core voltage (min)0.3 V (3 dV, 30 cV, 300 mV) +
cpuid0x206A7 +
designerIntel +
device id0x0106 +
die area131 mm² (0.203 in², 1.31 cm², 131,000,000 µm²) +
familyPentium +
first announcedJune 13, 2011 +
first launchedJune 13, 2011 +
full page nameintel/pentium (2009)/b940 +
has ecc memory supportfalse +
has featureEnhanced SpeedStep Technology + and Flex Memory Access +
has intel enhanced speedstep technologytrue +
has intel flex memory access supporttrue +
has locked clock multipliertrue +
instance ofmicroprocessor +
integrated gpuHD Graphics (Sandy Bridge) +
integrated gpu base frequency650 MHz (0.65 GHz, 650,000 KHz) +
integrated gpu designerIntel +
integrated gpu execution units6 +
integrated gpu max frequency1,100 MHz (1.1 GHz, 1,100,000 KHz) +
isax86-64 +
isa familyx86 +
l1$ size128 KiB (131,072 B, 0.125 MiB) +
l1d$ description8-way set associative +
l1d$ size64 KiB (65,536 B, 0.0625 MiB) +
l1i$ description8-way set associative +
l1i$ size64 KiB (65,536 B, 0.0625 MiB) +
l2$ description8-way set associative +
l2$ size0.5 MiB (512 KiB, 524,288 B, 4.882812e-4 GiB) +
l3$ description8-way set associative +
l3$ size2 MiB (2,048 KiB, 2,097,152 B, 0.00195 GiB) +
ldateJune 13, 2011 +
manufacturerIntel +
market segmentMobile +
max cpu count1 +
max junction temperature373.15 K (100 °C, 212 °F, 671.67 °R) +
max memory16,384 MiB (16,777,216 KiB, 17,179,869,184 B, 16 GiB, 0.0156 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 storage temperature398.15 K (125 °C, 257 °F, 716.67 °R) +
microarchitectureSandy Bridge +
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 numberB940 +
namePentium B940 +
packagerPGA988B +
part numberFF8062700847801 +
platformSandy Bridge M +
power dissipation (idle)3.1 W (3,100 mW, 0.00416 hp, 0.0031 kW) +
process32 nm (0.032 μm, 3.2e-5 mm) +
release price$ 134.00 (€ 120.60, £ 108.54, ¥ 13,846.22) +
s-specSR07S +
series900 +
smp max ways1 +
socketSocket G2 +
supported memory typeDDR3-1333 + and DDR3-1066 +
tdp35 W (35,000 mW, 0.0469 hp, 0.035 kW) +
technologyCMOS +
thread count2 +
transistor count504,000,000 +
word size64 bit (8 octets, 16 nibbles) +