Product comparison · 2 pcs/workstations

HP Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Convertible Minitower PC vs HP xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation

80specifications compared
32differ
48identical
41known for one product only

Key differences

The HP xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation has 2 more processor cores than the HP Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Convertible Minitower PC (4 vs 2). The HP xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation has 2 more processor threads than the HP Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Convertible Minitower PC (4 vs 2). The HP xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation has 4 MB more processor cache than the HP Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Convertible Minitower PC (8 MB vs 4 MB). Only the HP xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation has FSB Parity. Only the HP xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation has Intel Demand Based Switching.

Processor family
- Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Convertible Minitower PC:Intel® Core™2 Duo
- xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation:Intel® Xeon® 5000 Sequence
Processor model
- Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Convertible Minitower PC:E6750
- xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation:X5355
Processor cores
- Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Convertible Minitower PC:2
- xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation:4
Processor threads
- Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Convertible Minitower PC:2
- xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation:4
Processor cache
- Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Convertible Minitower PC:4 MB
- xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation:8 MB
FSB Parity
- Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Convertible Minitower PC:No
- xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation:Yes
Processor codename
- Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Convertible Minitower PC:Conroe
- xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation:Clovertown
Thermal Design Power (TDP)
- Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Convertible Minitower PC:65 W
- xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation:120 W

Side by side

Differences highlightedShow differences only

Comparison of Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Convertible Minitower PC, xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation
121 specifications	A HP Compaq dc7800p Intel Core™2 Duo Processor E6750 1G/160G DVD+/-RW WVST Bus Convertible Minitower PC View product	B HP xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation View product
Processor13 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™2 Duo	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E6750	X5355
Processor coresDiffers	2	4
Processor threadsDiffers	2	4
Processor frequency	2.66 GHz	2.66 GHz
Processor cacheDiffers	4 MB	8 MB
Processor cache type	L2	L2
Processor front side bus	1333 MHz	1333 MHz
Bus type	FSB	FSB
FSB ParityDiffers	No	Yes
Processor lithography	65 nm	65 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo E6000 Series	Intel Xeon 5300 Series
Processor codenameDiffers	Conroe	Clovertown
Thermal Design Power (TDP)Differs	65 W	120 W
TcaseDiffers	72 °C	70 °C
Number of processors installedKnown for one	Unknown — not stated by the source	1
Processor socketDiffers	LGA 775 (Socket T)	LGA 771 (Socket J)
Number of Processing Die TransistorsDiffers	291 M	582 M
Processing Die sizeDiffers	143 mm²	286 mm²
CPU multiplier (bus/core ratio)	8	8
ECC supported by processor	No	No
SteppingKnown for one	G0	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	1 GB	2 GB
Maximum internal memoryKnown for one	Unknown — not stated by the source	32 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	2 x 1 GB
ECCKnown for one	Unknown — not stated by the source	Yes
Memory upgradeKnown for one	Unknown — not stated by the source	32 GB
Storage1 differ
HDD capacityKnown for one	Unknown — not stated by the source	250 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
HDD speed	7200 RPM	7200 RPM
Storage drive controllerDiffers	SATA 3.0Gb/s NCQ SMART VI	SATA 3Gb/s
Disk subsystem controllerKnown for one	Unknown — not stated by the source	Integrated 6 channel SATA 3 Gb/s controller with RAID (0,1,5, 10) capability, integrated 4 channel SAS controller with RAID (0 or 1) capability
Diskette driveKnown for one	Unknown — not stated by the source	Yes
Storage drive typeKnown for one	Unknown — not stated by the source	250 GB
Total storage capacityKnown for one	160 GB	Unknown — not stated by the source
Optical drive typeKnown for one	DVD Super Multi	Unknown — not stated by the source
Card reader integratedKnown for one	No	Unknown — not stated by the source
Graphicsidentical
Video card featuresKnown for one	Unknown — not stated by the source	No Integrated Graphics Kit
Discrete graphics card modelKnown for one	Intel® GMA 3100	Unknown — not stated by the source
Maximum graphics card memoryKnown for one	0.256 GB	Unknown — not stated by the source
Video adapter, busKnown for one	PCI Express x16	Unknown — not stated by the source
Performance1 differ
Product typeDiffers	PC	Workstation
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® 5000X
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	8	7
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantityDiffers	1	0
PS/2 ports quantity	2	2
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	1
Serial ports quantity	1	1
Parallel ports quantity	1	1
I/O portsKnown for one	Unknown — not stated by the source	Front: Headphone, microphone, and 2 USB 2.0, 1 IEEE 1394; Rear: 5 USB 2.0, 1 standard serial port, 1 parallel port, PS/2 keyboard and mouse, 1 RJ-45, 1 audio in, 1 audio out, 1 IEEE 1394; Internal: 1 USB 2.0
Expansion slots1 differ
Expansion slotsDiffers	3 x PCI	7 slots: 1 PCI Express (x16) Graphics slot, 1 PCI Express (x16 mechanically, x4 electrically), 1 PCI Express (x8 mechanically, x4 electrically), 1 133 MHz PCI-X slot, 2 100 MHz PCI-X slots, and 1 legacy PCI slot
PCI Express x1 slotsKnown for one	2	Unknown — not stated by the source
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
Power1 differ
Power requirementsKnown for one	Unknown — not stated by the source	800 watts
Power supplyDiffers	365 W	800 W
Design1 differ
Chassis typeDiffers	Tower	Minitower
Country of origin	China	China
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
Displayidentical
Display included	No	No
Processor special features3 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 SwitchingDiffers	No	Yes
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)	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
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	32 bit
Processor ARK IDDiffers	30784	28035
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
Processor codeKnown for one	SLA9V	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	High Definition Audio
Audio includedKnown for one	Unknown — not stated by the source	Integrated High Definition audio with Jack Retasking technology, optional PCI Sound Blaster X-Fi Xtreme Music
Operational conditions4 differ
Operating temperature (T-T)Differs	10 - 35 °C	5 - 35 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 60 °C
Operating relative humidity (H-H)Differs	10 - 90%	10 - 85%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
Relative humidityKnown for one	Unknown — not stated by the source	10 - 85%
Non-operating altitudeDiffers	9144	10000
Non-operating relative humidity (non-condensing)Differs	5 - 95%	5 - 90%
Weight & dimensions4 differ
WidthDiffers	177 mm	210 mm
DepthDiffers	452 mm	525 mm
HeightDiffers	447 mm	454 mm
WeightDiffers	11.8 kg	28 kg
Keyboardidentical
Pointing deviceKnown for one	Unknown — not stated by the source	HP optical mouse
Keyboard typeKnown for one	Unknown — not stated by the source	HP PS/2 Standard Keyboard
Featuresidentical
Security management descriptionKnown for one	Unknown — not stated by the source	Standard, side cover key lock, USB ports can be deactivated, padlock loop, Kensington lock provision, universal chassis clamp lock, chassis intrusion sensor
Other featuresidentical
Drive baysKnown for one	Unknown — not stated by the source	3 external 5.25" bays 5 internal 3.5" bays
UNSPSC-codeKnown for one	43211507	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	Yes	Unknown — not stated by the source
Networkidentical
Networking featuresKnown for one	Intel 82566DM Gigabit Network	Unknown — not stated by the source
Softwareidentical
Operating system installedKnown for one	FreeDOS	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.

More pcs/workstations comparisons

All pcs/workstations comparisons