Celeron 1047UE vs Pentium D 840

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Primary details

Comparing Pentium D 840 and Celeron 1047UE processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated2927
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataIntel Celeron
Power efficiencyno data2.62
Architecture codenameSmithfield (2005)Ivy Bridge (2012−2013)
Release dateMay 2005 (19 years ago)20 January 2013 (11 years ago)
Launch price (MSRP)no data$134

Detailed specifications

Pentium D 840 and Celeron 1047UE basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores2 (Dual-core)2 (Dual-core)
Threads22
Base clock speed3.2 GHzno data
Boost clock speed3.2 GHz1.4 GHz
L1 cache28 KB64K (per core)
L2 cache2 MB256K (per core)
L3 cache0 KB2 MB (shared)
Chip lithography90 nm22 nm
Die size206 mm2118 mm2
Maximum core temperature70 °C105 °C
Maximum case temperature (TCase)no data105 °C
Number of transistors169 million1,400 million
64 bit support++
Windows 11 compatibility--
VID voltage range1.2V-1.4Vno data

Compatibility

Information on Pentium D 840 and Celeron 1047UE compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration21
SocketPLGA775Intel BGA1023
Power consumption (TDP)130 Watt17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium D 840 and Celeron 1047UE. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)++
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring-+
Demand Based Switching-no data
PAE32 Bitno data
FSB parity-no data

Security technologies

Pentium D 840 and Celeron 1047UE technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium D 840 and Celeron 1047UE are enumerated here.

VT-d-no data
VT-x-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium D 840 and Celeron 1047UE. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel HD Graphics (Ivy Bridge) (350 - 900 MHz)

Pros & cons summary


Chip lithography 90 nm 22 nm
Power consumption (TDP) 130 Watt 17 Watt

Celeron 1047UE has a 309.1% more advanced lithography process, and 664.7% lower power consumption.

We couldn't decide between Pentium D 840 and Celeron 1047UE. We've got no test results to judge.

Note that Pentium D 840 is a desktop processor while Celeron 1047UE is a notebook one.


Should you still have questions on choice between Pentium D 840 and Celeron 1047UE, ask them in Comments section, and we shall answer.

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Intel Pentium D 840
Pentium D 840
Intel Celeron 1047UE
Celeron 1047UE

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Community ratings

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