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Product comparison · 2 pcs/workstations

HP dc7900 SFF + L1908W vs Lenovo ThinkCentre M57 Eco + L1940

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  • 86specifications compared
  • 28differ
  • 58identical
  • 14known for one product only

Key differences

The HP dc7900 SFF + L1908W has 0.47 GHz more processor frequency than the Lenovo ThinkCentre M57 Eco + L1940 (3 GHz vs 2.53 GHz). The HP dc7900 SFF + L1908W has 3 MB more processor cache than the Lenovo ThinkCentre M57 Eco + L1940 (6 MB vs 3 MB). The HP dc7900 SFF + L1908W has 267 MHz more processor front side bus than the Lenovo ThinkCentre M57 Eco + L1940 (1333 MHz vs 1066 MHz). Only the HP dc7900 SFF + L1908W has embedded options available. Only the HP dc7900 SFF + L1908W has Intel Trusted Execution Technology.

  • Processor model
    • E8400
    • E7200
  • Processor frequency
    • 3 GHz
    • 2.53 GHz
  • Processor cache
    • 6 MB
    • 3 MB
  • Processor front side bus
    • 1333 MHz
    • 1066 MHz
  • Tcase
    • 72.4 °C
    • 74.1 °C
  • Number of Processing Die Transistors
    • 410 M
    • 228 M
  • Processing Die size
    • 107 mm²
    • 82 mm²
  • CPU multiplier (bus/core ratio)
    • 9
    • 9.5

Side by side

Differences highlightedShow differences only
100 specifications
A

HP

dc7900 SFF + L1908WView product
B

Lenovo

ThinkCentre M57 Eco + L1940View product
Processor10 differ
Processor manufacturerIntelIntel
Processor familyIntel® Core™2 DuoIntel® Core™2 Duo
Processor modelDiffersE8400E7200
Processor cores22
Processor threads22
Processor frequencyDiffers3 GHz2.53 GHz
Processor cacheDiffers6 MB3 MB
Processor cache typeL2L2
Processor front side busDiffers1333 MHz1066 MHz
Bus typeFSBFSB
FSB ParityNoNo
Processor lithography45 nm45 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core 2 Duo E8000 SeriesIntel Core 2 Duo E7000 Series
Processor codenameWolfdaleWolfdale
Thermal Design Power (TDP)65 W65 W
TcaseDiffers72.4 °C74.1 °C
Processor socketLGA 775 (Socket T)LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers410 M228 M
Processing Die sizeDiffers107 mm²82 mm²
CPU multiplier (bus/core ratio)Differs99.5
SteppingDiffersE0M0
ECC supported by processorNoNo
Memory1 differ
Internal memory2 GB2 GB
Maximum internal memoryDiffers16 GB4 GB
Internal memory typeDDR2-SDRAMDDR2-SDRAM
Memory layout (slots x size)2 x 1 GB2 x 1 GB
Memory slotsKnown for one2x SO-DIMM
Storage1 differ
Total storage capacityDiffers160 GB320 GB
Optical drive typeDVD±RWDVD±RW
HDD interfaceSATASATA
HDD speed7200 RPM7200 RPM
Card reader integratedNoNo
Graphics1 differ
Discrete graphics card modelDiffersIntel® GMA 4500MIntel® GMA 3100
On-board graphics card modelNot availableNot available
Performanceidentical
Product typePCPC
Optical driveidentical
LightScribeKnown for oneYes
Networkidentical
Networking featuresGigabit EthernetGigabit Ethernet
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers86
Ethernet LAN (RJ-45) ports11
Headphone outputs11
Microphone inYesYes
VGA (D-Sub) ports quantity11
PS/2 ports quantityDiffers20
Serial ports quantityDiffers10
Parallel ports quantity00
Poweridentical
Power consumption (typical)Known for one240 W
Power supplyKnown for one120 W
Designidentical
Chassis typeKnown for oneSFF
Country of originKnown for oneChina
Softwareidentical
Operating system installedWindows Vista BusinessWindows Vista Business
Display1 differ
Display includedYesYes
Display diagonal48.3 cm (19")48.3 cm (19")
Display resolutionDiffers1440 x 900 pixels1280 x 1024 pixels
Contrast ratio (typical)Known for one1000:1
Display brightnessKnown for one300 cd/m²
Viewing angle, horizontalKnown for one160°
Viewing angle, verticalKnown for one160°
DisplayTFTTFT
Processor special features6 differ
Embedded options availableDiffersYesNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithographyKnown for one45 nm
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyNoNo
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Rapid Storage TechnologyNoNo
Intel Trusted Execution TechnologyDiffersYesNo
Intel VT-x with Extended Page Tables (EPT)NoNo
Intel Virtualization Technology (VT-x)DiffersYesNo
Intel Virtualization Technology for Directed I/O (VT-d)DiffersYesNo
Intel® AES New Instructions (Intel® AES-NI)NoNo
Intel® Clear Video HD Technology (Intel® CVT HD)NoNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® InTru™ 3D TechnologyNoNo
Intel® Insider™NoNo
Intel® Wireless Display (Intel® WiDi)NoNo
Processor ARK IDDiffers3391035348
Processor codeKnown for oneSLB9J
Processor package sizeDiffers37.5 x 37.5 mm37.5 mm
Thermal Monitoring TechnologiesYesYes
Intel® Turbo Boost TechnologyNoNo
Intel® Hyper Threading Technology (Intel® HT Technology)NoNo
Intel® Quick Sync Video TechnologyNoNo
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® Anti-Theft Technology (Intel® AT)NoNo
Conflict-Free processorNoNo
Audio1 differ
Audio systemDiffersHigh Definition AudioAD1882
Operational conditionsidentical
Non-operating altitudeKnown for one9144
Weight & dimensions4 differ
WidthDiffers337 mm275 mm
DepthDiffers378 mm242 mm
HeightDiffers100 mm81 mm
WeightDiffers8.5 kg3.72 kg
Other featuresidentical
Intel segment taggingKnown for oneEnterprise, Professional

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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