Product comparison · 2 pcs/workstations

HP Compaq dc7900 vs HP TouchSmart IQ515nl Desktop PC

79specifications compared
36differ
43identical
46known for one product only

Key differences

The HP Compaq dc7900 has 2 more processor cores than the HP TouchSmart IQ515nl Desktop PC (4 vs 2). The HP Compaq dc7900 has 2 more processor threads than the HP TouchSmart IQ515nl Desktop PC (4 vs 2). The HP Compaq dc7900 has 0.56 GHz more processor frequency than the HP TouchSmart IQ515nl Desktop PC (2.66 GHz vs 2.1 GHz). Only the HP TouchSmart IQ515nl Desktop PC has display included. Only the HP Compaq dc7900 has embedded options available.

Processor family
- Compaq dc7900:Intel® Core™2 Quad
- TouchSmart IQ515nl Desktop PC:Intel® Core™2 Duo
Processor model
- Compaq dc7900:Q9400
- TouchSmart IQ515nl Desktop PC:T8100
Processor cores
- Compaq dc7900:4
- TouchSmart IQ515nl Desktop PC:2
Processor threads
- Compaq dc7900:4
- TouchSmart IQ515nl Desktop PC:2
Processor frequency
- Compaq dc7900:2.66 GHz
- TouchSmart IQ515nl Desktop PC:2.1 GHz
Processor cache
- Compaq dc7900:6 MB
- TouchSmart IQ515nl Desktop PC:3 MB
Processor front side bus
- Compaq dc7900:1333 MHz
- TouchSmart IQ515nl Desktop PC:800 MHz
Processor codename
- Compaq dc7900:Yorkfield
- TouchSmart IQ515nl Desktop PC:Penryn

Side by side

Differences highlightedShow differences only

Comparison of Compaq dc7900, TouchSmart IQ515nl Desktop PC
125 specifications	A HP Compaq dc7900 View product	B HP TouchSmart IQ515nl Desktop PC View product
Processor15 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™2 Quad	Intel® Core™2 Duo
Processor modelDiffers	Q9400	T8100
Processor coresDiffers	4	2
Processor threadsDiffers	4	2
Processor frequencyDiffers	2.66 GHz	2.1 GHz
Processor cacheDiffers	6 MB	3 MB
Processor cache type	L2	L2
Processor front side busDiffers	1333 MHz	800 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Quad Q9000 Series for Desktop	Intel Core 2 Duo T8000 Series
Processor codenameDiffers	Yorkfield	Penryn
Thermal Design Power (TDP)Differs	95 W	35 W
TcaseKnown for one	71.4 °C	Unknown — not stated by the source
Processor socketDiffers	LGA 775 (Socket T)	Socket 478
Number of Processing Die TransistorsDiffers	456 M	410 M
Processing Die sizeDiffers	164 mm²	107 mm²
CPU multiplier (bus/core ratio)Differs	8	10.5
SteppingDiffers	R0	M0
ECC supported by processor	No	No
TjunctionKnown for one	Unknown — not stated by the source	105 °C
Memory1 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 clock speedKnown for one	800 MHz	Unknown — not stated by the source
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Storageidentical
Total storage capacity	500 GB	500 GB
Optical drive typeKnown for one	DVD Super Multi	Unknown — not stated by the source
Storage mediaKnown for one	HDD	Unknown — not stated by the source
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integrated	Yes	Yes
Graphics1 differ
Discrete graphics cardKnown for one	Yes	Unknown — not stated by the source
On-board graphics cardKnown for one	No	Unknown — not stated by the source
Discrete graphics card modelDiffers	Intel® GMA 4500M	NVIDIA® GeForce® 9600M GS
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
Performanceidentical
Product type	PC	PC
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® GM965 Express
Optical driveidentical
LightScribeKnown for one	Yes	Unknown — not stated by the source
Networkidentical
Ethernet LANKnown for one	Yes	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 & interfaces4 differ
USB 2.0 ports quantityDiffers	6	5
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one	0	Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	0	Unknown — not stated by the source
Thunderbolt 3 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
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI portKnown for one	No	Unknown — not stated by the source
PS/2 ports quantityDiffers	2	0
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Serial ports quantityDiffers	1	0
Parallel ports quantityDiffers	1	0
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	1
Expansion slotsidentical
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
Poweridentical
Power supplyKnown for one	365 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
Power consumption (typical)Known for one	365 W	Unknown — not stated by the source
Design1 differ
Chassis typeDiffers	Mini Tower	Tower
Placement supportedKnown for one	Vertical	Unknown — not stated by the source
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Product colourKnown for one	Black	Unknown — not stated by the source
Country of origin	China	China
Software1 differ
Operating system installedDiffers	Windows Vista Business	Windows Vista Home Premium
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
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)	No	No
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	35365	33916
Processor codeDiffers	SLB6B	SLAVJ
Processor package sizeDiffers	37.5 x 37.5 mm	35 x 35 mm
Thermal Monitoring TechnologiesDiffers	Yes	No
Intel® Turbo Boost Technology	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® Quick Sync Video Technology	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	No
Audio1 differ
Audio systemDiffers	HD	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	177 mm	535 mm
DepthDiffers	452 mm	84 mm
HeightDiffers	447 mm	442 mm
WeightDiffers	11.8 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
AC adapter includedKnown for one	Yes	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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