Product comparison · 2 pcs/workstations

Dell OP780SF-K311 PC Intel® Core™2 Duo E7500 vs Dell OP780SF-M311 PC Intel® Core™2 Duo

57specifications compared
5differ
52identical
50known for one product only

Key differences

The Dell OP780SF-M311 PC Intel® Core™2 Duo has 0.23 GHz more processor frequency than the Dell OP780SF-K311 PC Intel® Core™2 Duo E7500 (3.16 GHz vs 2.93 GHz). The Dell OP780SF-M311 PC Intel® Core™2 Duo has 3 MB more processor cache than the Dell OP780SF-K311 PC Intel® Core™2 Duo E7500 (6 MB vs 3 MB). The Dell OP780SF-M311 PC Intel® Core™2 Duo has 267 MHz more processor front side bus than the Dell OP780SF-K311 PC Intel® Core™2 Duo E7500 (1333 MHz vs 1066 MHz). Memory layout (slots x size): 2 x 1 GB on the Dell OP780SF-K311 PC Intel® Core™2 Duo E7500, 2 x 2 GB on the Dell OP780SF-M311 PC Intel® Core™2 Duo.

Processor frequency
- OP780SF-K311 PC Intel® Core™2 Duo E7500:2.93 GHz
- OP780SF-M311 PC Intel® Core™2 Duo:3.16 GHz
Processor cache
- OP780SF-K311 PC Intel® Core™2 Duo E7500:3 MB
- OP780SF-M311 PC Intel® Core™2 Duo:6 MB
Processor front side bus
- OP780SF-K311 PC Intel® Core™2 Duo E7500:1066 MHz
- OP780SF-M311 PC Intel® Core™2 Duo:1333 MHz
Internal memory
- OP780SF-K311 PC Intel® Core™2 Duo E7500:2 GB
- OP780SF-M311 PC Intel® Core™2 Duo:4 GB
Memory layout (slots x size)
- OP780SF-K311 PC Intel® Core™2 Duo E7500:2 x 1 GB
- OP780SF-M311 PC Intel® Core™2 Duo:2 x 2 GB

Side by side

Differences highlightedShow differences only

Comparison of OP780SF-K311, OP780SF-M311
107 specifications	A Dell OP780SF-K311 PC Intel® Core™2 Duo E7500 Model OP780SF-K311 View product	B Dell OP780SF-M311 PC Intel® Core™2 Duo Model OP780SF-M311 View product
Processor3 differ
Processor modelKnown for one	E7500	Unknown — not stated by the source
Processor threadsKnown for one	2	Unknown — not stated by the source
Processor frequencyDiffers	2.93 GHz	3.16 GHz
Processor cacheDiffers	3 MB	6 MB
Processor front side busDiffers	1066 MHz	1333 MHz
Bus typeKnown for one	FSB	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
Processor lithographyKnown for one	45 nm	Unknown — not stated by the source
Processor operating modesKnown for one	64-bit	Unknown — not stated by the source
Processor seriesKnown for one	Intel Core 2 Duo E7000 Series	Unknown — not stated by the source
Processor codenameKnown for one	Wolfdale	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	65 W	Unknown — not stated by the source
TcaseKnown for one	74.1 °C	Unknown — not stated by the source
Processor socketKnown for one	LGA 775 (Socket T)	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	228 M	Unknown — not stated by the source
Processing Die sizeKnown for one	82 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	11	Unknown — not stated by the source
SteppingKnown for one	R0	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memory2 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (slots x size)Differs	2 x 1 GB	2 x 2 GB
Memory clock speedKnown for one	Unknown — not stated by the source	1066 MHz
Processor special featuresidentical
Embedded options availableKnown for one	No	Unknown — not stated by the source
Enhanced Intel SpeedStep TechnologyKnown for one	Yes	Unknown — not stated by the source
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Intel 64Known for one	Yes	Unknown — not stated by the source
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for one	No	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	No	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	No	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	No	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	2	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	No	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	No	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	No	Unknown — not stated by the source
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	No	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Insider™Known for one	No	Unknown — not stated by the source
Intel® Wireless Display (Intel® WiDi)Known for one	No	Unknown — not stated by the source
Processor ARK IDKnown for one	36503	Unknown — not stated by the source
Processor codeKnown for one	SLB9Z	Unknown — not stated by the source
Processor package sizeKnown for one	37.5 x 37.5 mm	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	No	Unknown — not stated by the source
Intel® Quick Sync Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for one	No	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	No	Unknown — not stated by the source
Conflict-Free processorKnown for one	No	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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