Product comparison · 2 pcs/workstations

HP Pavilion p6635uk Intel® Core™ i3 i3-550 vs HP Pavilion p6658uk Intel® Pentium® D 820

128specifications compared
40differ
88identical
29known for one product only

Key differences

The HP Pavilion p6635uk Intel® Core™ i3 i3-550 has 2 more processor threads than the HP Pavilion p6658uk Intel® Pentium® D 820 (4 vs 2). The HP Pavilion p6635uk Intel® Core™ i3 i3-550 has 0.4 GHz more processor frequency than the HP Pavilion p6658uk Intel® Pentium® D 820 (3.2 GHz vs 2.8 GHz). The HP Pavilion p6658uk Intel® Pentium® D 820 has 2 MB more processor cache than the HP Pavilion p6635uk Intel® Core™ i3 i3-550 (6 MB vs 4 MB). Only the HP Pavilion p6658uk Intel® Pentium® D 820 has Wi-Fi. Only the HP Pavilion p6635uk Intel® Core™ i3 i3-550 has enhanced Intel SpeedStep Technology.

Processor family
- Pavilion p6635uk Intel® Core™ i3 i3-550:Intel® Core™ i3
- Pavilion p6658uk Intel® Pentium® D 820:Intel® Pentium® D
Processor model
- Pavilion p6635uk Intel® Core™ i3 i3-550:i3-550
- Pavilion p6658uk Intel® Pentium® D 820:820
Processor threads
- Pavilion p6635uk Intel® Core™ i3 i3-550:4
- Pavilion p6658uk Intel® Pentium® D 820:2
Processor frequency
- Pavilion p6635uk Intel® Core™ i3 i3-550:3.2 GHz
- Pavilion p6658uk Intel® Pentium® D 820:2.8 GHz
Processor cache
- Pavilion p6635uk Intel® Core™ i3 i3-550:4 MB
- Pavilion p6658uk Intel® Pentium® D 820:6 MB
Bus type
- Pavilion p6635uk Intel® Core™ i3 i3-550:DMI
- Pavilion p6658uk Intel® Pentium® D 820:FSB
Processor lithography
- Pavilion p6635uk Intel® Core™ i3 i3-550:32 nm
- Pavilion p6658uk Intel® Pentium® D 820:90 nm
Processor codename
- Pavilion p6635uk Intel® Core™ i3 i3-550:Clarkdale
- Pavilion p6658uk Intel® Pentium® D 820:Smithfield

Side by side

Differences highlightedShow differences only

Comparison of p6635uk, p6658uk
157 specifications	A HP Pavilion p6635uk Intel® Core™ i3 i3-550 Model p6635uk View product	B HP Pavilion p6658uk Intel® Pentium® D 820 Model p6658uk View product
Processor15 differ
Processor familyDiffers	Intel® Core™ i3	Intel® Pentium® D
Processor generationKnown for one	Intel® Core™ i3	Unknown — not stated by the source
Processor modelDiffers	i3-550	820
Processor threadsDiffers	4	2
Processor frequencyDiffers	3.2 GHz	2.8 GHz
Processor cacheDiffers	4 MB	6 MB
Bus typeDiffers	DMI	FSB
System bus rateKnown for one	2.5 GT/s	Unknown — not stated by the source
Processor lithographyDiffers	32 nm	90 nm
Processor seriesDiffers	Intel Core i3-500 Desktop Series	Intel Pentium D 800 Series
Processor codenameDiffers	Clarkdale	Smithfield
Thermal Design Power (TDP)Differs	73 W	95 W
TcaseDiffers	72.6 °C	64.1 °C
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
Processor socketDiffers	LGA 1156 (Socket H)	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	382 M	230 M
Processing Die sizeDiffers	81 mm²	206 mm²
CPU multiplier (bus/core ratio)Differs	24	14
SteppingKnown for one	K0	Unknown — not stated by the source
Maximum internal memory supported by processorKnown for one	16 GB	Unknown — not stated by the source
Memory types supported by processorKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory clock speeds supported by processorKnown for one	1066,1333 MHz	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one	21 GB/s	Unknown — not stated by the source
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
Processor core voltage (AC)Known for one	Unknown — not stated by the source	1.25 - 1.40 V
Memory1 differ
Internal memoryDiffers	3 GB	4 GB
Memory channelsKnown for one	Dual-channel	Unknown — not stated by the source
Storage3 differ
Total storage capacityDiffers	500 GB	1 TB
Optical drive typeDiffers	DVD Super Multi DL	Blu-Ray DVD Combo
HDD capacityDiffers	500 GB	1 TB
Graphics4 differ
Discrete graphics card modelDiffers	Not available	NVIDIA® GeForce® GT 320
Number of discrete graphics cardsDiffers	0	1
On-board graphics card familyDiffers	Intel® HD Graphics	AMD Radeon HD 3000
On-board graphics card modelDiffers	Intel® HD Graphics	AMD Radeon HD 3000
Number of displays supported (on-board graphics)Known for one	2	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	733 MHz	Unknown — not stated by the source
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	1 GB
Performance2 differ
Motherboard chipsetDiffers	Intel® H57	AMD 760G
Audio output channelsDiffers	5.1 channels	7.1 channels
Network2 differ
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	10,100 Mbit/s
Wi-FiDiffers	No	Yes
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 4 (802.11n)
Wi-Fi standardsKnown for one	Unknown — not stated by the source	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	8	6
HDMI ports quantityDiffers	0	1
VGA (D-Sub) ports quantityDiffers	1	2
Firewire (IEEE 1394) portsDiffers	1	0
Processor special features9 differ
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Enhanced Intel SpeedStep TechnologyDiffers	Yes	No
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel FDI TechnologyDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	No
Intel Virtualization Technology (VT-x)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Physical Address Extension (PAE)Differs	Yes	32 bit
Processor ARK IDDiffers	48505	27512
Processor codeKnown for one	SLBUD	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Active Management Technology (Intel® AMT)Known for one	Unknown — not stated by the source	No
Intel® High Definition Audio (Intel® HD Audio)Known for one	Unknown — not stated by the source	No
Intel® Matrix Storage Technology (Intel® MST)Known for one	Unknown — not stated by the source	No
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Rapid Start TechnologyKnown for one	Unknown — not stated by the source	No
Intel Smart Connect TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	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.

More pcs/workstations comparisons

All pcs/workstations comparisons