Product comparison · 2 pcs/workstations

HP Compaq 8000 Elite Ultra-slim PC (ENERGY STAR) vs HP dc7900 SFF + LA1905wg

93specifications compared
14differ
79identical
53known for one product only

Key differences

The HP Compaq 8000 Elite Ultra-slim PC (ENERGY STAR) has 90 GB more total storage capacity than the HP dc7900 SFF + LA1905wg (250 GB vs 160 GB). The HP Compaq 8000 Elite Ultra-slim PC (ENERGY STAR) has 90 GB more total HDDs capacity than the HP dc7900 SFF + LA1905wg (250 GB vs 160 GB). The HP Compaq 8000 Elite Ultra-slim PC (ENERGY STAR) has 2 more USB 2.0 ports quantity than the HP dc7900 SFF + LA1905wg (10 vs 8). Only the HP dc7900 SFF + LA1905wg has display included. Internal memory type: DDR3-SDRAM on the HP Compaq 8000 Elite Ultra-slim PC (ENERGY STAR), DDR2-SDRAM on the HP dc7900 SFF + LA1905wg.

Internal memory type
- Compaq 8000 Elite Ultra-slim PC (ENERGY STAR):DDR3-SDRAM
- dc7900 SFF + LA1905wg:DDR2-SDRAM
Memory layout (slots x size)
- Compaq 8000 Elite Ultra-slim PC (ENERGY STAR):1 x 2 GB
- dc7900 SFF + LA1905wg:2 x 1 GB
Total storage capacity
- Compaq 8000 Elite Ultra-slim PC (ENERGY STAR):250 GB
- dc7900 SFF + LA1905wg:160 GB
Optical drive type
- Compaq 8000 Elite Ultra-slim PC (ENERGY STAR):DVD Super Multi
- dc7900 SFF + LA1905wg:DVD±RW
Total HDDs capacity
- Compaq 8000 Elite Ultra-slim PC (ENERGY STAR):250 GB
- dc7900 SFF + LA1905wg:160 GB
USB 2.0 ports quantity
- Compaq 8000 Elite Ultra-slim PC (ENERGY STAR):10
- dc7900 SFF + LA1905wg:8
Operating system installed
- Compaq 8000 Elite Ultra-slim PC (ENERGY STAR):Windows 7 Professional
- dc7900 SFF + LA1905wg:Windows Vista Business
Display included
- Compaq 8000 Elite Ultra-slim PC (ENERGY STAR):No
- dc7900 SFF + LA1905wg:Yes

Side by side

Differences highlightedShow differences only

Comparison of Compaq 8000 Elite Ultra-slim PC (ENERGY STAR), dc7900 SFF + LA1905wg
146 specifications	A HP Compaq 8000 Elite Ultra-slim PC (ENERGY STAR)View product	B HP dc7900 SFF + LA1905wg View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor model	E8400	E8400
Processor cores	2	2
Processor threads	2	2
Processor frequency	3 GHz	3 GHz
Processor cache	6 MB	6 MB
Processor cache type	L2	L2
Processor front side bus	1333 MHz	1333 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core 2 Duo E8000 Series	Intel Core 2 Duo E8000 Series
Processor codename	Wolfdale	Wolfdale
Thermal Design Power (TDP)	65 W	65 W
Tcase	72.4 °C	72.4 °C
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Number of Processing Die Transistors	410 M	410 M
Processing Die size	107 mm²	107 mm²
CPU multiplier (bus/core ratio)	9	9
Stepping	E0	E0
ECC supported by processor	No	No
Memory2 differ
Internal memory	2 GB	2 GB
Internal memory typeDiffers	DDR3-SDRAM	DDR2-SDRAM
Memory layout (slots x size)Differs	1 x 2 GB	2 x 1 GB
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Memory clock speedKnown for one	1333 MHz	Unknown — not stated by the source
Memory upgradeKnown for one	16 GB	Unknown — not stated by the source
Maximum internal memoryKnown for one	Unknown — not stated by the source	16 GB
Storage3 differ
Total storage capacityDiffers	250 GB	160 GB
Optical drive typeDiffers	DVD Super Multi	DVD±RW
Total HDDs capacityDiffers	250 GB	160 GB
HDD capacityKnown for one	250 GB	Unknown — not stated by the source
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integrated	No	No
Maximum HDD capacityKnown for one	250 GB	Unknown — not stated by the source
Minimum storage drive spaceKnown for one	160 GB	Unknown — not stated by the source
Floppy drive installed	No	No
Storage drive controllerKnown for one	SATA 3.0Gb/s	Unknown — not stated by the source
Storage drive typeKnown for one	250 GB 7200 rpm SATA 3.0 Gb/s 160 or 250 GB SATA 3.0GB/s with NCQ and Smart IV	Unknown — not stated by the source
HDD controller typeKnown for one	SATA (7200 rpm)	Unknown — not stated by the source
Storage mediaKnown for one	Unknown — not stated by the source	HDD
Graphicsidentical
On-board graphics card	Yes	Yes
Discrete graphics card model	Intel® GMA 4500M	Intel® GMA 4500M
On-board graphics card model	Not available	Not available
Graphics card familyKnown for one	Intel	Unknown — not stated by the source
Video card featuresKnown for one	3D/2D Controller: Microsoft DirectX 10 based with support for Pixel Shader 3.0; OpenGL 1.5 (OpenGL 2.0 available in a driver update).; Integrated VGA Controller; Integrated 350 MHz RAMDAC; Overlay Planes: Single overlay support with 5x3 filtering; Maximum Color Depth: 32 bits/pixel; Multi-display Su	Unknown — not stated by the source
Video adapter, busKnown for one	PCI Express x16	Unknown — not stated by the source
Performanceidentical
Product type	PC	PC
Optical driveidentical
LightScribe	Yes	Yes
Network1 differ
Ethernet LAN	Yes	Yes
Wi-Fi	No	No
Networking featuresDiffers	Integrated Intel 82567LM Gigabit Network Connection	Gigabit Ethernet
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	10	8
DisplayPorts quantityKnown for one	1	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 port	No	No
PS/2 ports quantity	2	2
I/O portsKnown for one	Rear: 6 USB 2.0, 2 PS/2, 1 RJ-45, 1 VGA, 1 DisplayPort, audio in/out; Front: 4 USB 2.0, audio ports	Unknown — not stated by the source
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
Serial ports quantityKnown for one	Unknown — not stated by the source	1
Parallel ports quantityKnown for one	Unknown — not stated by the source	0
Expansion slotsidentical
Expansion slotsKnown for one	1 mini PCIe	Unknown — not stated by the source
Poweridentical
Power supply typeKnown for one	135 W external 87% efficient power supply - active PFC	Unknown — not stated by the source
Power requirementsKnown for one	Input voltage 90 – 264 / 100 – 240 VAC, 50/60 Hz, 47 – 63 Hz, active PFC (87% High Efficiency) Operating Voltage Range: 90 – 264 VAC; Rated Voltage Range: 100 – 240 VAC; Rated Line Frequency: 50/60 Hz; Operating Line Frequency Range: 47 – 63 Hz; Rated Input Current 87 Plus: 2.4 A; Current Leakage (N	Unknown — not stated by the source
Power supplyKnown for one	135 W	Unknown — not stated by the source
Power consumption (typical)Known for one	Unknown — not stated by the source	240 W
Designidentical
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
Chassis typeKnown for one	Unknown — not stated by the source	SFF
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows Vista Business
Compatible operating systemsKnown for one	Genuine Windows 7 Home Basic 32-bit, FreeDOS	Unknown — not stated by the source
Bundled softwareKnown for one	On some models only (not included with FreeDOS): HP ProtectTools Security Suite, HP Software Management Agent, PDF Complete, HP Power Manager, HP Firefox Virtual Browser, HP Total Care Advisor, Computer Setup Utility, McAfee Anti-virus Trial version, Roxio Creator Business, Corel WinDVD Optional pre	Unknown — not stated by the source
Driver LANKnown for one	Microsoft Windows 7, Microsoft Windows Vista	Unknown — not stated by the source
Display1 differ
Display includedDiffers	No	Yes
Display diagonalKnown for one	Unknown — not stated by the source	48.3 cm (19")
Display resolutionKnown for one	Unknown — not stated by the source	1440 x 900 pixels
Contrast ratio (typical)Known for one	Unknown — not stated by the source	1000:1
Display brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
Viewing angle, horizontalKnown for one	Unknown — not stated by the source	160°
Viewing angle, verticalKnown for one	Unknown — not stated by the source	160°
Processor special featuresidentical
Embedded options available	Yes	Yes
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithography	45 nm	45 nm
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 Technology	Yes	Yes
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)	Yes	Yes
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 ID	33910	33910
Processor code	SLB9J	SLB9J
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Thermal Monitoring Technologies	Yes	Yes
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	Integrated HD audio with Realtek ALC261 codec, internal PC speaker	High Definition Audio
Audio includedKnown for one	Integrated HD audio with Realtek ALC261 codec, internal PC speaker	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	50 - 95 °F	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
Non-operating altitude	9144	9144
Weight & dimensions4 differ
WidthDiffers	251 mm	337 mm
DepthDiffers	254 mm	378 mm
HeightDiffers	66 mm	100 mm
WeightDiffers	3.07 kg	8.5 kg
Size (imperial)Known for one	25.1 cm (9.9")	Unknown — not stated by the source
Weight (imperial)Known for one	6.75 lb	Unknown — not stated by the source
Packaging contentidentical
Remote control included	No	No
Certificatesidentical
CertificationKnown for one	ENERGY STAR qualified, EPEAT Gold and 87% efficient power supply	Unknown — not stated by the source
Keyboardidentical
Pointing deviceKnown for one	HP PS/2 2-Button Optical Scroll Mouse	Unknown — not stated by the source
Keyboard typeKnown for one	HP PS/2 Standard Keyboard	Unknown — not stated by the source
Multimediaidentical
MultimediaKnown for one	Integrated High Definition audio with Realtek 2 channel ALC261 codec	Unknown — not stated by the source
Featuresidentical
Manageability featuresKnown for one	Integrated dual display standard; Long, stable lifecycle; Ultra-small, energy efficient design	Unknown — not stated by the source
Security management descriptionKnown for one	Integrated 1.2 TPM Embedded Security Chip (except for Russia), HP USB Smartcard Keyboard; Kensington Lock, Solenoid Hood Lock / Sensor, HP Business PC Security Lock	Unknown — not stated by the source
Other featuresidentical
Security featuresKnown for one	Kensington Lock, Solenoid Hood Lock / Sensor, HP Business PC Security Lock	Unknown — not stated by the source
TV tuner integrated	No	No
Drive baysKnown for one	1 Slimline Drive Bay, optional SD Card Reader 1 internal 6,4 cm (2.5")	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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