Product comparison · 2 cpus

HP Intel Pentium 4 670 vs HP Intel Pentium D 840

28specifications compared
11differ
17identical
5known for one product only

Key differences

Processor family
- Intel Pentium 4 670:Intel Pentium 4 HT
- Intel Pentium D 840:Intel® Celeron® D
Processor model
- Intel Pentium 4 670:670
- Intel Pentium D 840:840
Processor base frequency
- Intel Pentium 4 670:3.8 GHz
- Intel Pentium D 840:3.2 GHz
Processor cores
- Intel Pentium 4 670:1
- Intel Pentium D 840:2
Processor cache type
- Intel Pentium 4 670:L2
- Intel Pentium D 840:L3
Thermal Design Power (TDP)
- Intel Pentium 4 670:115 W
- Intel Pentium D 840:130 W
Thermal Monitoring Technologies
- Intel Pentium 4 670:Yes
- Intel Pentium D 840:No
Number of Processing Die Transistors
- Intel Pentium 4 670:169 M
- Intel Pentium D 840:230 M

Side by side

Differences highlightedShow differences only

Comparison of Intel Pentium 4 670, Intel Pentium D 840
33 specifications	A HP Intel Pentium 4 670 View product	B HP Intel Pentium D 840 View product
Processor6 differ
Processor familyDiffers	Intel Pentium 4 HT	Intel® Celeron® D
Processor modelDiffers	670	840
Processor base frequencyDiffers	3.8 GHz	3.2 GHz
Processor coresDiffers	1	2
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Processor lithography	90 nm	90 nm
Processor operating modes	64-bit	64-bit
Processor cache	2 MB	2 MB
Processor cache typeDiffers	L2	L3
Processor front side bus	800 MHz	800 MHz
Thermal Design Power (TDP)Differs	115 W	130 W
VID Voltage Range	1.200 - 1.400 V	1.200 - 1.400 V
FSB Parity	No	No
Component forKnown for one	PC	Unknown — not stated by the source
Memoryidentical
ECCKnown for one	Unknown — not stated by the source	No
Graphicsidentical
On-board graphics card	No	No
Features3 differ
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Thermal Monitoring TechnologiesDiffers	Yes	No
Number of Processing Die TransistorsDiffers	169 M	230 M
Processing Die sizeDiffers	135 mm²	206 mm²
Embedded options available	No	No
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Market segmentKnown for one	Desktop	Unknown — not stated by the source
Processor special features1 differ
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel Trusted Execution Technology	No	No
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Turbo Boost Technology	No	No
Intel Demand Based Switching	No	No
Operational conditions1 differ
TcaseDiffers	70.8 °C	69.8 °C
Weight & dimensionsidentical
Processor package size	37.5 mm	37.5 mm
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)	No	No

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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