Product comparison · 2 pcs/workstations

Lenovo ThinkCentre M57p Intel® Core™2 Duo E8400 vs Lenovo ThinkCentre M55e Small Desktop (9645-Q1G), UK

82specifications compared
26differ
56identical
18known for one product only

Key differences

The Lenovo ThinkCentre M57p Intel® Core™2 Duo E8400 has 1.2 GHz more processor frequency than the Lenovo ThinkCentre M55e Small Desktop (9645-Q1G), UK (3 GHz vs 1.8 GHz). The Lenovo ThinkCentre M57p Intel® Core™2 Duo E8400 has 4 MB more processor cache than the Lenovo ThinkCentre M55e Small Desktop (9645-Q1G), UK (6 MB vs 2 MB). The Lenovo ThinkCentre M57p Intel® Core™2 Duo E8400 has 533 MHz more processor front side bus than the Lenovo ThinkCentre M55e Small Desktop (9645-Q1G), UK (1333 MHz vs 800 MHz). Only the Lenovo ThinkCentre M57p Intel® Core™2 Duo E8400 has Intel Trusted Execution Technology. Only the Lenovo ThinkCentre M57p Intel® Core™2 Duo E8400 has Intel Virtualization Technology (VT-x).

Processor model
- ThinkCentre M57p Intel® Core™2 Duo E8400:E8400
- ThinkCentre M55e Small Desktop (9645-Q1G), UK:E4300
Processor frequency
- ThinkCentre M57p Intel® Core™2 Duo E8400:3 GHz
- ThinkCentre M55e Small Desktop (9645-Q1G), UK:1.8 GHz
Processor cache
- ThinkCentre M57p Intel® Core™2 Duo E8400:6 MB
- ThinkCentre M55e Small Desktop (9645-Q1G), UK:2 MB
Processor front side bus
- ThinkCentre M57p Intel® Core™2 Duo E8400:1333 MHz
- ThinkCentre M55e Small Desktop (9645-Q1G), UK:800 MHz
Processor lithography
- ThinkCentre M57p Intel® Core™2 Duo E8400:45 nm
- ThinkCentre M55e Small Desktop (9645-Q1G), UK:65 nm
Processor codename
- ThinkCentre M57p Intel® Core™2 Duo E8400:Wolfdale
- ThinkCentre M55e Small Desktop (9645-Q1G), UK:Conroe
Tcase
- ThinkCentre M57p Intel® Core™2 Duo E8400:72.4 °C
- ThinkCentre M55e Small Desktop (9645-Q1G), UK:61.4 °C
Number of Processing Die Transistors
- ThinkCentre M57p Intel® Core™2 Duo E8400:410 M
- ThinkCentre M55e Small Desktop (9645-Q1G), UK:167 M

Side by side

Differences highlightedShow differences only

Comparison of M57p, ThinkCentre M55e Small Desktop (9645-Q1G), UK
100 specifications	A Lenovo ThinkCentre M57p Intel® Core™2 Duo E8400 Model M57p View product	B Lenovo ThinkCentre M55e Small Desktop (9645-Q1G), UK View product
Processor10 differ
Processor modelDiffers	E8400	E4300
Processor frequencyDiffers	3 GHz	1.8 GHz
Processor cacheDiffers	6 MB	2 MB
Processor front side busDiffers	1333 MHz	800 MHz
Processor lithographyDiffers	45 nm	65 nm
Processor seriesDiffers	Intel Core 2 Duo E8000 Series	Intel Core 2 Duo E4000 Series
Processor codenameDiffers	Wolfdale	Conroe
TcaseDiffers	72.4 °C	61.4 °C
Number of Processing Die TransistorsDiffers	410 M	167 M
Processing Die sizeDiffers	107 mm²	111 mm²
SteppingKnown for one	E0	Unknown — not stated by the source
Scenario Design Power (SDP)Known for one	Unknown — not stated by the source	12 W
Number of processors installedKnown for one	Unknown — not stated by the source	1
Processor core voltage (AC)Known for one	Unknown — not stated by the source	1.225 - 1.325 V
Memory2 differ
Internal memoryDiffers	2 GB	1 GB
Maximum internal memoryDiffers	8 GB	4 GB
Memory layout (slots x size)Known for one	2 x 1 GB	Unknown — not stated by the source
Memory clock speedKnown for one	667 MHz	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	320 GB	80 GB
Optical drive typeDiffers	DVD±RW	DVD-ROM
Card reader integratedKnown for one	No	Unknown — not stated by the source
Graphics1 differ
Discrete graphics card modelDiffers	Intel® GMA X3000	Intel® GMA 3000
On-board graphics card modelKnown for one	Not available	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	280 W	225 W
Power supply input voltageKnown for one	110 - 220 V	Unknown — not stated by the source
Power supply input frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
Design1 differ
Chassis typeDiffers	Tower	Small Desktop
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	IBM
Softwareidentical
Bundled softwareKnown for one	Unknown — not stated by the source	Yes
Processor special features4 differ
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel Virtualization Technology (VT-x)Differs	Yes	No
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	No
Processor ARK IDDiffers	33910	28024
Processor codeKnown for one	SLB9J	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	AD1882	ADI 1986 A
Weight & dimensions4 differ
WidthDiffers	175 mm	310 mm
DepthDiffers	440 mm	358 mm
HeightDiffers	402 mm	87.5 mm
WeightDiffers	10.2 kg	8.5 kg
Other featuresidentical
HDD user passwordKnown for one	Unknown — not stated by the source	Yes
Expansion slotsidentical
Expansion slotsKnown for one	Unknown — not stated by the source	1x PCI 1x PCI Express 1x PCI
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	Yes

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