Product comparison · 2 pcs/workstations

HP Compaq dc7800p Intel Core™2 Duo Processor E6550 1G/80G DVD/CD-RW Combo WVST Bus Ultra Slim Desktop PC vs HP Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC

105specifications compared
22differ
83identical
6known for one product only

Key differences

The HP Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC has 0.33 GHz more processor frequency than the HP Compaq dc7800p Intel Core™2 Duo Processor E6550 1G/80G DVD/CD-RW Combo WVST Bus Ultra Slim Desktop PC (2.66 GHz vs 2.33 GHz). The HP Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC has 1 more CPU multiplier (bus/core ratio) than the HP Compaq dc7800p Intel Core™2 Duo Processor E6550 1G/80G DVD/CD-RW Combo WVST Bus Ultra Slim Desktop PC (8 vs 7). The HP Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC has 105 W more power consumption (typical) than the HP Compaq dc7800p Intel Core™2 Duo Processor E6550 1G/80G DVD/CD-RW Combo WVST Bus Ultra Slim Desktop PC (240 W vs 135 W). Processor model: E6550 on the HP Compaq dc7800p Intel Core™2 Duo Processor E6550 1G/80G DVD/CD-RW Combo WVST Bus Ultra Slim Desktop PC, E6750 on the HP Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC. Storage drive controller: SATA 1.5 Gb/s on the HP Compaq dc7800p Intel Core™2 Duo Processor E6550 1G/80G DVD/CD-RW Combo WVST Bus Ultra Slim Desktop PC, SATA 3.0Gb/s NCQ SMART VI on the HP Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC.

Processor model
- Compaq dc7800p Intel Core™2 Duo Processor E6550 1G/80G DVD/CD-RW Combo WVST Bus Ultra Slim Desktop PC:E6550
- Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC:E6750
Processor frequency
- Compaq dc7800p Intel Core™2 Duo Processor E6550 1G/80G DVD/CD-RW Combo WVST Bus Ultra Slim Desktop PC:2.33 GHz
- Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC:2.66 GHz
CPU multiplier (bus/core ratio)
- Compaq dc7800p Intel Core™2 Duo Processor E6550 1G/80G DVD/CD-RW Combo WVST Bus Ultra Slim Desktop PC:7
- Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC:8
Storage drive controller
- Compaq dc7800p Intel Core™2 Duo Processor E6550 1G/80G DVD/CD-RW Combo WVST Bus Ultra Slim Desktop PC:SATA 1.5 Gb/s
- Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC:SATA 3.0Gb/s NCQ SMART VI
Disk subsystem controller
- Compaq dc7800p Intel Core™2 Duo Processor E6550 1G/80G DVD/CD-RW Combo WVST Bus Ultra Slim Desktop PC:SATA 1.5 Gb/s
- Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC:SATA 3.0Gb/s
Power consumption (typical)
- Compaq dc7800p Intel Core™2 Duo Processor E6550 1G/80G DVD/CD-RW Combo WVST Bus Ultra Slim Desktop PC:135 W
- Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC:240 W
Processor ARK ID
- Compaq dc7800p Intel Core™2 Duo Processor E6550 1G/80G DVD/CD-RW Combo WVST Bus Ultra Slim Desktop PC:30783
- Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC:30784
Processor code
- Compaq dc7800p Intel Core™2 Duo Processor E6550 1G/80G DVD/CD-RW Combo WVST Bus Ultra Slim Desktop PC:SLA9X
- Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC:SLA9V

Side by side

Differences highlightedShow differences only

Comparison of Compaq dc7800p Intel Core™2 Duo Processor E6550 1G/80G DVD/CD-RW Combo WVST Bus Ultra Slim Desktop PC, Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC
111 specifications	A HP Compaq dc7800p Intel Core™2 Duo Processor E6550 1G/80G DVD/CD-RW Combo WVST Bus Ultra Slim Desktop PC View product	B HP Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC View product
Processor3 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	E6550	E6750
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.33 GHz	2.66 GHz
Processor cache	4 MB	4 MB
Processor cache type	L2	L2
Processor front side bus	1333 MHz	1333 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithography	65 nm	65 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core 2 Duo E6000 Series	Intel Core 2 Duo E6000 Series
Processor codename	Conroe	Conroe
Thermal Design Power (TDP)	65 W	65 W
Tcase	72 °C	72 °C
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Number of Processing Die Transistors	291 M	291 M
Processing Die size	143 mm²	143 mm²
CPU multiplier (bus/core ratio)Differs	7	8
Stepping	G0	G0
ECC supported by processor	No	No
Processor technology	Intel vPro	Intel vPro
Memoryidentical
Internal memory	1 GB	1 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Maximum internal memoryKnown for one	4 GB	Unknown — not stated by the source
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Storage2 differ
Optical drive typeKnown for one	Unknown — not stated by the source	DVD Super Multi
HDD speed	7200 RPM	7200 RPM
Storage drive controllerDiffers	SATA 1.5 Gb/s	SATA 3.0Gb/s NCQ SMART VI
Disk subsystem controllerDiffers	SATA 1.5 Gb/s	SATA 3.0Gb/s
Diskette drive	Optional	Optional
Storage drive type	80 GB	80 GB
Graphicsidentical
Maximum graphics card memory	0.256 GB	0.256 GB
Video card features	3D/2D Controller: support is fully compliant with Microsoft standard API such as Microsoft DirectX9, DirectXVA, VMR9, GDI/GDI+; OpenGL 1.4.; Integrated VGA Controller; integrated 400 MHz RAMDAC; 400 MHz Controller Clock Speed; Overlay Planes: Single overlay support with 5x3 filtering; Maximum Color	3D/2D Controller: support is fully compliant with Microsoft standard API such as Microsoft DirectX9, DirectXVA, VMR9, GDI/GDI+; OpenGL 1.4.; Integrated VGA Controller; integrated 400 MHz RAMDAC; 400 MHz Controller Clock Speed; Overlay Planes: Single overlay support with 5x3 filtering; Maximum Color
Video adapter, bus	PCI Express x16	PCI Express x16
Video card resolution	Maximum Vertical Refresh Rate: 85 Hz at up to 1920x1440, 75 Hz at 2048x1536	Maximum Vertical Refresh Rate: 85 Hz at up to 1920x1440, 75 Hz at 2048x1536
Performanceidentical
Product type	PC	PC
Networkidentical
Modem typeKnown for one	Unknown — not stated by the source	No
Networking features	Integrated Intel 82566DM Gigabit Network Connection	Integrated Intel 82566DM Gigabit Network Connection
Ports & interfaces2 differ
I/O portsDiffers	Rear: 6 USB 2.0, 1 DVI-D graphics port, 2 PS/2, 1 RJ-45, 1 VGA, audio in/out; Front: 2 USB 2.0, audio ports	Rear: 6 USB 2.0, 1 serial port, 1 optional serial port, 1 parallel port, 2 PS/2, 1 RJ-45, 1 VGA, audio in/out; Front: 2 USB 2.0, audio ports
Rear ports noteDiffers	6 USB 2.0; 2 PS/2; 1 RJ-45; 1 audio in; 1 audio out; 1 external VGA monitor; 1 DVI-D	6 USB 2.0; 1 serial; 1 parallel; 2 PS/2; 1 RJ-45; 1 external VGA monitor; 1 audio in; 1 audio out
Expansion slotsidentical
Expansion slotsKnown for one	Unknown — not stated by the source	1 low-profile PCI, 2 full-height PCI (optional), 1 low-profile PCI Express x16, 2 low-profile PCI Express x1
Power4 differ
Power supply typeDiffers	135W External 80% High Efficiency Active PFC	240W 80 Plus Active PFC
Power requirementsDiffers	Input voltage 90 – 264 / 100 – 240 VAC, 50/60 Hz, 47 – 63 Hz, active PFC standard (External 80% 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 80 Plus: 1.5 A;	Input voltage 90 – 264 / 100 – 240 VAC, 50/60 Hz, 47 – 63 Hz, active PFC (80% 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: 4.0 A; Rated Input Current 80 Plu
Power consumption (typical)Differs	135 W	240 W
Power managementDiffers	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 80 Plus: 1.5 A; Current Leakage (NFPA 99): < 275 µA; System Heat Dissipation 80 Plus: Typical 133 btu/hr (33.5 kg-cal/hr), Maximu	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: 4.0 A; Rated Input Current 80 Plus: 3.5 A; Current Leakage (NFPA 99): < 275 µA; System Heat Dissipation: Typical 198 btu/hr (50
Designidentical
Country of origin	China	China
Upgrade type	Windows Vista capable	Windows Vista capable
Softwareidentical
Operating system installed	Windows Vista Business	Windows Vista Business
Applications supported	Windows Vista Premium ready	Windows Vista Premium ready
Compatible operating systems	Genuine Windows XP Home 32; Genuine Windows Vista Enterprise 32; Genuine Windows Vista Enterprise 64	Genuine Windows XP Home 32; Genuine Windows Vista Enterprise 32; Genuine Windows Vista Enterprise 64
Bundled software	On some models only (not included with FreeDOS): HP ProtectTools Security Solutions, HP OpenView Configuration Management Solutions Agent, HP Backup and Recovery Manager, HP Insight Diagnostics (available via HP Backup and Recovery Manager), HP Client Foundation Suite (HP Client Manager, HP Systems	On some models only (not included with FreeDOS): HP ProtectTools Security Solutions, HP OpenView Configuration Management Solutions Agent, HP Backup and Recovery Manager, HP Insight Diagnostics (available via HP Backup and Recovery Manager), HP Client Foundation Suite (HP Client Manager, HP Systems
Driver LAN	Microsoft Windows Vista, Microsoft Windows XP, Microsoft Windows 2000	Microsoft Windows Vista, Microsoft Windows XP, Microsoft Windows 2000
Processor special features2 differ
Embedded options available	No	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 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)	No	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	30783	30784
Processor codeDiffers	SLA9X	SLA9V
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
Audioidentical
Audio system	Integrated High Definition audio with ADI1884 codec, 3D audio compliant with AC'97 Rev. 2.3, internal PC speaker	Integrated High Definition audio with ADI1884 codec, 3D audio compliant with AC'97 Rev. 2.3, internal PC speaker
Audio included	Integrated High Definition audio with ADI1884 codec, 3D audio compliant with AC'97 Rev. 2.3, internal PC speaker	Integrated High Definition audio with ADI1884 codec, 3D audio compliant with AC'97 Rev. 2.3, internal PC speaker
Operational conditionsidentical
Operating temperature (T-T)	10 - 35 °C	10 - 35 °C
Storage temperature (T-T)	-30 - 60 °C	-30 - 60 °C
Operating relative humidity (H-H)	10 - 90%	10 - 90%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Relative humidity	10 - 90%	10 - 90%
Non-operating altitude	9144	9144
Non-operating relative humidity (non-condensing)	5 - 90%	5 - 90%
Weight & dimensions6 differ
WidthDiffers	251 mm	337 mm
DepthDiffers	254 mm	378 mm
HeightDiffers	66 mm	100 mm
WeightDiffers	3.1 kg	8.5 kg
Size (imperial)Differs	25.1 cm (9.9")	33.8 cm (13.3")
Weight (imperial)Differs	7.0 lb	18.75 lb
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	ENERGY STAR qualified; EPEAT Gold; 80% efficient power supply
Keyboardidentical
Pointing device	HP PS/2 2-Button Optical Scroll Mouse	HP PS/2 2-Button Optical Scroll Mouse
Keyboard type	HP PS/2	HP PS/2
Multimediaidentical
Multimedia	Integrated High Definition audio with ADI1884 codec (all ports are stereo)	Integrated High Definition audio with ADI1884 codec (all ports are stereo)
Features1 differ
Manageability features	Intel vPro technology enabled, helps to lower IT costs and simplify manageability	Intel vPro technology enabled, helps to lower IT costs and simplify manageability
Security management descriptionDiffers	Integrated 1.2 TPM Embedded Security Chip (except for Russia), Kensington Lock Support, HP Business PC Security Lock, HP USB Biometric Fingerprint Reader, HP Rear Port Controller Cover	Integrated 1.2 TPM Embedded Security Chip (except for Russia), HP Business PC Security Lock, HP USB Biometric Fingerprint Reader
Other features2 differ
Security featuresDiffers	Kensington Lock, Hood Removal Sensor	Kensington Lock, Solenoid Hood Lock / Sensor
Drive baysDiffers	1 Slimline Drive Bay 1 internal 2.5 inch	1 external 5.25 inch, 1 external 3.5 inch 1 internal 3.5 inch

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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