Product comparison · 2 pcs/workstations

Acer Veriton M661 vs HP xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation

74specifications compared
29differ
45identical
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 Acer Veriton M661 (4 vs 2). The HP xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation has 2 more processor threads than the Acer Veriton M661 (4 vs 2). The HP xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation has 0.46 GHz more processor frequency than the Acer Veriton M661 (2.66 GHz vs 2.2 GHz). 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
- Veriton M661:Intel® Core™2 Duo
- xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation:Intel® Xeon® 5000 Sequence
Processor model
- Veriton M661:E4500
- xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation:X5355
Processor cores
- Veriton M661:2
- xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation:4
Processor threads
- Veriton M661:2
- xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation:4
Processor frequency
- Veriton M661:2.2 GHz
- xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation:2.66 GHz
Processor cache
- Veriton M661:2 MB
- xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation:8 MB
Processor front side bus
- Veriton M661:800 MHz
- xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation:1333 MHz
FSB Parity
- Veriton M661:No
- xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation:Yes

Side by side

Differences highlightedShow differences only

Comparison of Veriton M661, xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation
115 specifications	A Acer Veriton M661 View product	B HP xw8400 Intel® Xeon® 2.66GHz 2GB/250GB DVD+/-RW WVST Bus Workstation View product
Processor16 differ
Processor familyDiffers	Intel® Core™2 Duo	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E4500	X5355
Processor coresDiffers	2	4
Processor threadsDiffers	2	4
Processor frequencyDiffers	2.2 GHz	2.66 GHz
Processor cacheDiffers	2 MB	8 MB
Processor front side busDiffers	800 MHz	1333 MHz
FSB ParityDiffers	No	Yes
Processor seriesDiffers	Intel Core 2 Duo E4000 Series	Intel Xeon 5300 Series
Processor codenameDiffers	Conroe	Clovertown
Thermal Design Power (TDP)Differs	65 W	120 W
TcaseDiffers	73.3 °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	167 M	582 M
Processing Die sizeDiffers	111 mm²	286 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
SteppingKnown for one	M0	Unknown — not stated by the source
Memory1 differ
Maximum internal memoryDiffers	8 GB	32 GB
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
Storageidentical
HDD capacityKnown for one	Unknown — not stated by the source	250 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
Storage drive controllerKnown for one	Unknown — not stated by the source	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±RW	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
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	10	7
VGA (D-Sub) ports quantityDiffers	1	0
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	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 slotsidentical
Expansion slotsKnown for one	Unknown — not stated by the source	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
Power1 differ
Power requirementsKnown for one	Unknown — not stated by the source	800 watts
Power supplyDiffers	300 W	800 W
Design1 differ
Chassis typeDiffers	Tower	Minitower
Country of originKnown for one	Unknown — not stated by the source	China
Processor special features3 differ
Intel Demand Based SwitchingDiffers	No	Yes
Intel Virtualization Technology (VT-x)Differs	No	Yes
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	32 bit
Processor ARK IDDiffers	30781	28035
Processor codeKnown for one	SLA95	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	Realtek ALC888S	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 conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 35 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 60 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	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 altitudeKnown for one	Unknown — not stated by the source	10000
Non-operating relative humidity (non-condensing)Known for one	Unknown — not stated by the source	5 - 90%
Weight & dimensions3 differ
WidthDiffers	180 mm	210 mm
DepthDiffers	441.5 mm	525 mm
HeightDiffers	367 mm	454 mm
WeightKnown for one	Unknown — not stated by the source	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
Intel segment taggingKnown for one	Enterprise, Small Business	Unknown — not stated by the source
Networkidentical
Networking featuresKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Softwareidentical
Operating system installedKnown for one	Windows XP Professional	Unknown — not stated by the source
Bundled softwareKnown for one	Acer Empowering Technology, LANScope, Adobe Reader, Cyberlink PowerDVD	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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