Product comparison · 2 pcs/workstations

HP Compaq dc7800 Intel Core™2 Duo Processor E4500 1G/160G DVD+/-RW WXP Pro Small Form Factor PC vs HP Compaq dc7800 Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC

118specifications compared
14differ
104identical
4known for one product only

Key differences

Processor model
- Compaq dc7800 Intel Core™2 Duo Processor E4500 1G/160G DVD+/-RW WXP Pro Small Form Factor PC:E4500
- Compaq dc7800 Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC:E6750
Processor frequency
- Compaq dc7800 Intel Core™2 Duo Processor E4500 1G/160G DVD+/-RW WXP Pro Small Form Factor PC:2.2 GHz
- Compaq dc7800 Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC:2.66 GHz
Processor cache
- Compaq dc7800 Intel Core™2 Duo Processor E4500 1G/160G DVD+/-RW WXP Pro Small Form Factor PC:2 MB
- Compaq dc7800 Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC:4 MB
Processor front side bus
- Compaq dc7800 Intel Core™2 Duo Processor E4500 1G/160G DVD+/-RW WXP Pro Small Form Factor PC:800 MHz
- Compaq dc7800 Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC:1333 MHz
Tcase
- Compaq dc7800 Intel Core™2 Duo Processor E4500 1G/160G DVD+/-RW WXP Pro Small Form Factor PC:73.3 °C
- Compaq dc7800 Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC:72 °C
Number of Processing Die Transistors
- Compaq dc7800 Intel Core™2 Duo Processor E4500 1G/160G DVD+/-RW WXP Pro Small Form Factor PC:167 M
- Compaq dc7800 Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC:291 M
Processing Die size
- Compaq dc7800 Intel Core™2 Duo Processor E4500 1G/160G DVD+/-RW WXP Pro Small Form Factor PC:111 mm²
- Compaq dc7800 Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC:143 mm²
CPU multiplier (bus/core ratio)
- Compaq dc7800 Intel Core™2 Duo Processor E4500 1G/160G DVD+/-RW WXP Pro Small Form Factor PC:11
- Compaq dc7800 Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC:8

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Differences highlightedShow differences only

Comparison of Compaq dc7800 Intel Core™2 Duo Processor E4500 1G/160G DVD+/-RW WXP Pro Small Form Factor PC, Compaq dc7800 Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC
122 specifications	A HP Compaq dc7800 Intel Core™2 Duo Processor E4500 1G/160G DVD+/-RW WXP Pro Small Form Factor PC View product	B HP Compaq dc7800 Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Small Form Factor PC View product
Processor10 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	E4500	E6750
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.2 GHz	2.66 GHz
Processor cacheDiffers	2 MB	4 MB
Processor cache type	L2	L2
Processor front side busDiffers	800 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 seriesDiffers	Intel Core 2 Duo E4000 Series	Intel Core 2 Duo E6000 Series
Processor codename	Conroe	Conroe
Thermal Design Power (TDP)	65 W	65 W
TcaseDiffers	73.3 °C	72 °C
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	167 M	291 M
Processing Die sizeDiffers	111 mm²	143 mm²
CPU multiplier (bus/core ratio)Differs	11	8
Processor core voltage (AC)Known for one	0.85 - 1.5 V	Unknown — not stated by the source
SteppingDiffers	M0	G0
ECC supported by processor	No	No
Cache externalKnown for one	2048 KB	Unknown — not stated by the source
Memoryidentical
Internal memory	1 GB	1 GB
Maximum internal memory	4 GB	4 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory slots	2x SO-DIMM	2x SO-DIMM
Storageidentical
Total storage capacity	160 GB	160 GB
Optical drive type	DVD Super Multi	DVD Super Multi
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Storage drive controller	SATA 3.0Gb/s NCQ SMART VI	SATA 3.0Gb/s NCQ SMART VI
Disk subsystem controller	SATA 3.0Gb/s	SATA 3.0Gb/s
Diskette drive	Optional	Optional
Storage drive type	160 GB	160 GB
Graphicsidentical
Discrete graphics card model	Intel® GMA 3100	Intel® GMA 3100
Graphics card RAMDAC	400 MHz	400 MHz
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 type	No	No
Networking features	Intel 82566DM Gigabit	Intel 82566DM Gigabit
Ports & interfacesidentical
USB 2.0 ports quantity	6	6
Ethernet LAN (RJ-45) ports	1	1
VGA (D-Sub) ports quantity	1	1
DVI port	Yes	Yes
PS/2 ports quantity	2	2
I/O 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: 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
Front connections	2 x USB	2 x USB
Expansion slotsidentical
Expansion slots	1 low-profile PCI, 2 full-height PCI (optional), 1 low-profile PCI Express x16, 2 low-profile PCI Express x1	1 low-profile PCI, 2 full-height PCI (optional), 1 low-profile PCI Express x16, 2 low-profile PCI Express x1
Poweridentical
Power requirements	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	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 supply input frequency	50 - 60 Hz	50 - 60 Hz
Power consumption (typical)	240 W	240 W
Power management	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	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
Chassis type	SFF	SFF
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
External drive bays	1 x Slimline	1 x Slimline
Internal drive bays	1 x 3.5"	1 x 3.5"
Country of origin	China	China
Upgrade typeKnown for one	Unknown — not stated by the source	Windows Vista capable
Softwareidentical
Operating system installed	Windows Vista Business	Windows Vista Business
Bundled software	HP Total Care Advisor, InterVideo WinDVD 5.0, Microsoft Office 2007 Small Business, Microsoft Internet Explorer / Google Toolbar	HP Total Care Advisor, InterVideo WinDVD 5.0, Microsoft Office 2007 Small Business, Microsoft Internet Explorer / Google Toolbar
Driver LAN	Microsoft Windows Vista, Microsoft Windows XP, Microsoft Windows 2000	Microsoft Windows Vista, Microsoft Windows XP, Microsoft Windows 2000
Applications supportedKnown for one	Unknown — not stated by the source	Windows Vista Premium ready
Displayidentical
Display included	No	No
Processor special features4 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 TechnologyDiffers	No	Yes
Intel VT-x with Extended Page Tables (EPT)	No	No
Intel Virtualization Technology (VT-x)Differs	No	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	30781	30784
Processor codeDiffers	SLA95	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	ADI1884	ADI1884
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 & dimensionsidentical
Width	337 mm	337 mm
Depth	378 mm	378 mm
Height	100 mm	100 mm
Weight	8.5 kg	8.5 kg
Keyboardidentical
Pointing device	HP PS/2 2-Button Optical Scroll Mouse HP PS/2 2-Button Optical Scroll Mouse or HP USB 2-Button Optical Scroll Mouse	HP PS/2 2-Button Optical Scroll Mouse HP PS/2 2-Button Optical Scroll Mouse or HP USB 2-Button Optical Scroll Mouse
Keyboard type	HP PS/2 HP Standard Keyboard (PS/2 or USB) or HP USB Smartcard Keyboard	HP PS/2 HP Standard Keyboard (PS/2 or USB) or HP USB Smartcard Keyboard
Featuresidentical
Security management description	Integrated 1.2 TPM Embedded Security Chip (except for Russia), HP Business PC Security Lock, HP USB Biometric Fingerprint Reader	Integrated 1.2 TPM Embedded Security Chip (except for Russia), HP Business PC Security Lock, HP USB Biometric Fingerprint Reader
Other featuresidentical
Security features	Kensington Lock, Solenoid Hood Lock / Sensor	Kensington Lock, Solenoid Hood Lock / Sensor
Drive bays	1 internal 3.5 inch 1 external 5.25 inch, 1 external 3.5 inch	1 internal 3.5 inch 1 external 5.25 inch, 1 external 3.5 inch
UNSPSC-code	43211507	43211507

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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