Product comparison · 2 cpus

HP Intel Celeron D 325J vs HP Intel Pentium 4 640

24specifications compared
11differ
13identical
7known for one product only

Key differences

Processor family
- Intel Celeron D 325J:Intel® Celeron® D
- Intel Pentium 4 640:Intel Pentium 4 HT
Processor model
- Intel Celeron D 325J:325J
- Intel Pentium 4 640:640
Processor base frequency
- Intel Celeron D 325J:2.53 GHz
- Intel Pentium 4 640:3.2 GHz
Processor operating modes
- Intel Celeron D 325J:32-bit
- Intel Pentium 4 640:64-bit
Processor cache
- Intel Celeron D 325J:0.256 MB
- Intel Pentium 4 640:2 MB
Processor front side bus
- Intel Celeron D 325J:533 MHz
- Intel Pentium 4 640:800 MHz
Number of Processing Die Transistors
- Intel Celeron D 325J:125 M
- Intel Pentium 4 640:169 M
Processing Die size
- Intel Celeron D 325J:112 mm²
- Intel Pentium 4 640:135 mm²

Side by side

Differences highlightedShow differences only

Comparison of Intel Celeron D 325J, Intel Pentium 4 640
31 specifications	A HP Intel Celeron D 325J View product	B HP Intel Pentium 4 640 View product
Processor6 differ
Processor familyDiffers	Intel® Celeron® D	Intel Pentium 4 HT
Processor modelDiffers	325J	640
Processor base frequencyDiffers	2.53 GHz	3.2 GHz
Processor cores	1	1
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Processor lithography	90 nm	90 nm
Processor operating modesDiffers	32-bit	64-bit
Processor cacheDiffers	0.256 MB	2 MB
Processor cache type	L2	L2
Processor front side busDiffers	533 MHz	800 MHz
Thermal Design Power (TDP)	84 W	84 W
VID Voltage RangeKnown for one	Unknown — not stated by the source	1.200 - 1.400 V
FSB Parity	No	No
Package typeKnown for one	Tray	Unknown — not stated by the source
Graphicsidentical
On-board graphics cardKnown for one	Unknown — not stated by the source	No
Features2 differ
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	Yes
Number of Processing Die TransistorsDiffers	125 M	169 M
Processing Die sizeDiffers	112 mm²	135 mm²
Embedded options available	No	No
Processor special features2 differ
Enhanced Intel SpeedStep TechnologyDiffers	No	Yes
Intel Trusted Execution Technology	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Turbo Boost Technology	No	No
Intel Demand Based Switching	No	No
Intel® AES New Instructions (Intel® AES-NI)Known for one	No	Unknown — not stated by the source
Operational conditions1 differ
TcaseDiffers	67.7 °C	66.6 °C
Weight & dimensionsidentical
Processor package sizeKnown for one	Unknown — not stated by the source	37.5 mm
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)	No	No
Memoryidentical
ECCKnown for one	No	Unknown — not stated by the source

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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