Product comparison · 2 pcs/workstations

Dell OP780MT-X311 PC Intel® Core™2 Quad vs Dell OP780SF-M311 PC Intel® Core™2 Duo

54specifications compared
18differ
36identical
17known for one product only

Key differences

Processor family
- OP780MT-X311 PC Intel® Core™2 Quad:Intel® Core™2 Quad
- OP780SF-M311 PC Intel® Core™2 Duo:Intel® Core™2 Duo
Processor cores
- OP780MT-X311 PC Intel® Core™2 Quad:4
- OP780SF-M311 PC Intel® Core™2 Duo:2
Processor frequency
- OP780MT-X311 PC Intel® Core™2 Quad:2.83 GHz
- OP780SF-M311 PC Intel® Core™2 Duo:3.16 GHz
Processor cache
- OP780MT-X311 PC Intel® Core™2 Quad:12 MB
- OP780SF-M311 PC Intel® Core™2 Duo:6 MB
Total storage capacity
- OP780MT-X311 PC Intel® Core™2 Quad:500 GB
- OP780SF-M311 PC Intel® Core™2 Duo:320 GB
HDD interface
- OP780MT-X311 PC Intel® Core™2 Quad:SATA II
- OP780SF-M311 PC Intel® Core™2 Duo:SATA
Discrete graphics card model
- OP780MT-X311 PC Intel® Core™2 Quad:Intel® GMA X4500
- OP780SF-M311 PC Intel® Core™2 Duo:Intel® GMA 4500M
Wi-Fi
- OP780MT-X311 PC Intel® Core™2 Quad:No
- OP780SF-M311 PC Intel® Core™2 Duo:Yes

Side by side

Differences highlightedShow differences only

Comparison of OP780MT-X311, OP780SF-M311
71 specifications	A Dell OP780MT-X311 PC Intel® Core™2 Quad Model OP780MT-X311 View product	B Dell OP780SF-M311 PC Intel® Core™2 Duo Model OP780SF-M311 View product
Processor4 differ
Processor familyDiffers	Intel® Core™2 Quad	Intel® Core™2 Duo
Processor coresDiffers	4	2
Processor frequencyDiffers	2.83 GHz	3.16 GHz
Processor cacheDiffers	12 MB	6 MB
Number of processors installedKnown for one	1	Unknown — not stated by the source
PlatformKnown for one	PC	Unknown — not stated by the source
Memoryidentical
Maximum internal memoryKnown for one	8 GB	Unknown — not stated by the source
Memory slotsKnown for one	4x DIMM	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	500 GB	320 GB
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD interfaceDiffers	SATA II	SATA
Graphics1 differ
Discrete graphics card modelDiffers	Intel® GMA X4500	Intel® GMA 4500M
Network1 differ
Wi-FiDiffers	No	Yes
Ports & interfaces2 differ
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
Headphone outputsDiffers	1	2
DVI portDiffers	No	Yes
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Expansion slots1 differ
PCI Express x1 slotsKnown for one	1	Unknown — not stated by the source
PCI slotsDiffers	2	1
Power1 differ
Power supplyDiffers	255 W	235 W
Design1 differ
Chassis typeDiffers	Mini Tower	SFF
External drive baysKnown for one	2x 5.25" 1x 3.5"	Unknown — not stated by the source
Internal drive baysKnown for one	1x 3.5"	Unknown — not stated by the source
Softwareidentical
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
WidthDiffers	187 mm	92.6 mm
DepthDiffers	433 mm	340 mm
HeightDiffers	408 mm	314 mm
WeightDiffers	11.7 kg	6.8 kg
Packaging dataidentical
Package dimensions (WxDxH)Known for one	565.2 x 362 x 568.2 mm	Unknown — not stated by the source
Package weightKnown for one	19.7 kg	Unknown — not stated by the source
Certificates1 differ
Compliance industry standardsDiffers	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	IEEE802.11n
Other featuresidentical
Drive baysKnown for one	4	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	10 - 35 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 65 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	20 - 80%

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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