Product comparison · 2 pcs/workstations

HP Compaq dc7900 Intel® Core™2 Duo E8400 vs HP TouchSmart IQ515nl Desktop PC

80specifications compared
34differ
46identical
54known for one product only

Key differences

The HP Compaq dc7900 Intel® Core™2 Duo E8400 has 0.9 GHz more processor frequency than the HP TouchSmart IQ515nl Desktop PC (3 GHz vs 2.1 GHz). The HP Compaq dc7900 Intel® Core™2 Duo E8400 has 3 MB more processor cache than the HP TouchSmart IQ515nl Desktop PC (6 MB vs 3 MB). The HP Compaq dc7900 Intel® Core™2 Duo E8400 has 533 MHz more processor front side bus than the HP TouchSmart IQ515nl Desktop PC (1333 MHz vs 800 MHz). Only the HP TouchSmart IQ515nl Desktop PC has display included. Only the HP Compaq dc7900 Intel® Core™2 Duo E8400 has embedded options available.

Processor model
- Compaq dc7900 Intel® Core™2 Duo E8400:E8400
- TouchSmart IQ515nl Desktop PC:T8100
Processor frequency
- Compaq dc7900 Intel® Core™2 Duo E8400:3 GHz
- TouchSmart IQ515nl Desktop PC:2.1 GHz
Processor cache
- Compaq dc7900 Intel® Core™2 Duo E8400:6 MB
- TouchSmart IQ515nl Desktop PC:3 MB
Processor front side bus
- Compaq dc7900 Intel® Core™2 Duo E8400:1333 MHz
- TouchSmart IQ515nl Desktop PC:800 MHz
Processor codename
- Compaq dc7900 Intel® Core™2 Duo E8400:Wolfdale
- TouchSmart IQ515nl Desktop PC:Penryn
Thermal Design Power (TDP)
- Compaq dc7900 Intel® Core™2 Duo E8400:65 W
- TouchSmart IQ515nl Desktop PC:35 W
Processor socket
- Compaq dc7900 Intel® Core™2 Duo E8400:LGA 775 (Socket T)
- TouchSmart IQ515nl Desktop PC:Socket 478
CPU multiplier (bus/core ratio)
- Compaq dc7900 Intel® Core™2 Duo E8400:9
- TouchSmart IQ515nl Desktop PC:10.5

Side by side

Differences highlightedShow differences only

Comparison of dc7900, TouchSmart IQ515nl Desktop PC
134 specifications	A HP Compaq dc7900 Intel® Core™2 Duo E8400 Model dc7900 View product	B HP TouchSmart IQ515nl Desktop PC View product
Processor10 differ
Processor modelDiffers	E8400	T8100
Processor frequencyDiffers	3 GHz	2.1 GHz
Processor cacheDiffers	6 MB	3 MB
Processor front side busDiffers	1333 MHz	800 MHz
Processor seriesDiffers	Intel Core 2 Duo E8000 Series	Intel Core 2 Duo T8000 Series
Processor codenameDiffers	Wolfdale	Penryn
Thermal Design Power (TDP)Differs	65 W	35 W
TcaseKnown for one	72.4 °C	Unknown — not stated by the source
Processor socketDiffers	LGA 775 (Socket T)	Socket 478
CPU multiplier (bus/core ratio)Differs	9	10.5
SteppingDiffers	E0	M0
TjunctionKnown for one	Unknown — not stated by the source	105 °C
Memory2 differ
Internal memoryDiffers	2 GB	4 GB
Maximum internal memoryKnown for one	16 GB	Unknown — not stated by the source
Internal memory typeKnown for one	DDR2-SDRAM	Unknown — not stated by the source
Memory layout (slots x size)Known for one	2 x 1 GB	Unknown — not stated by the source
Memory slotsDiffers	4x DIMM	2x SO-DIMM
Memory clock speedKnown for one	800 MHz	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	160 GB	500 GB
Optical drive typeKnown for one	DVD-ROM	Unknown — not stated by the source
Storage mediaKnown for one	HDD	Unknown — not stated by the source
Number of HDDs supportedKnown for one	1	Unknown — not stated by the source
Total HDDs capacityKnown for one	160 GB	Unknown — not stated by the source
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	160 GB	Unknown — not stated by the source
HDD interfaceDiffers	SATA II	SATA
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
Graphics1 differ
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelDiffers	Not available	NVIDIA® GeForce® 9600M GS
On-board graphics card familyKnown for one	Intel® GMA	Unknown — not stated by the source
On-board graphics card modelKnown for one	Not available	Unknown — not stated by the source
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	2.303 GB
Performance1 differ
Motherboard chipsetDiffers	Intel® Q45	Intel® GM965 Express
Optical driveidentical
Optical drives quantityKnown for one	1	Unknown — not stated by the source
Networkidentical
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Wi-FiKnown for one	No	Unknown — not stated by the source
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	8	5
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Line-outKnown for one	Yes	Unknown — not stated by the source
Line-inKnown for one	Yes	Unknown — not stated by the source
DVI portKnown for one	No	Unknown — not stated by the source
PS/2 ports quantityDiffers	2	0
Serial ports quantityDiffers	1	0
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	1
Parallel ports quantityKnown for one	Unknown — not stated by the source	0
Expansion slotsidentical
Number of 3.5" baysKnown for one	2	Unknown — not stated by the source
PCI Express x1 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 slotsKnown for one	2	Unknown — not stated by the source
PCI slotsKnown for one	1	Unknown — not stated by the source
Poweridentical
Power supplyKnown for one	240 W	Unknown — not stated by the source
Power supply input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
Power supply input frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
Design1 differ
Chassis typeDiffers	SFF	Tower
Placement supportedKnown for one	Horizontal	Unknown — not stated by the source
Number of 5.25" baysKnown for one	1	Unknown — not stated by the source
Product colourKnown for one	Black	Unknown — not stated by the source
Cooling typeKnown for one	Active	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows Vista Business	Windows Vista Home Premium
Operating system architectureKnown for one	32-bit	Unknown — not stated by the source
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Bundled softwareKnown for one	Unknown — not stated by the source	Microsoft Works; Microsoft Internet Explorer 7.0; Windows Mail; Adobe Reader 8.0; HP TouchSmart Music; HP TouchSmart Video; HP TouchSmart Photo; HP TouchSmart RSS Feeds; HP TouchSmart Browser; HP TouchSmart Calendar; HP TouchSmart Notes; Windows Photo Gallery; Windows Media Player; Windows Movie Mak
Display1 differ
Display includedDiffers	No	Yes
Processor special features7 differ
Embedded options availableDiffers	Yes	No
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	No
Processor ARK IDDiffers	33910	33916
Processor codeDiffers	SLB9J	SLAVJ
Processor package sizeDiffers	37.5 x 37.5 mm	35 x 35 mm
Thermal Monitoring TechnologiesDiffers	Yes	No
Audio1 differ
Audio systemDiffers	ADI1884	High Definition Audio 5.1
Operational conditionsidentical
Operating temperature (T-T)Known for one	10 - 35 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-30 - 60 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	337 mm	535 mm
DepthDiffers	378 mm	84 mm
HeightDiffers	100 mm	442 mm
WeightDiffers	8.5 kg	10.7 kg
Packaging contentidentical
Mouse includedKnown for one	Yes	Unknown — not stated by the source
Keyboard includedKnown for one	Yes	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	EPEAT Gold, ENERGY STAR	Unknown — not stated by the source
Featuresidentical
TV tuner typeKnown for one	Unknown — not stated by the source	Analogue & DVB-T

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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