Product comparison · 2 pcs/workstations

HP dc7900 CMT + LE1851w vs Lenovo ThinkCentre A58 Tower (7515M9G), UK

94specifications compared
34differ
60identical
35known for one product only

Key differences

Processor family
- dc7900 CMT + LE1851w:Intel® Core™2 Duo
- ThinkCentre A58 Tower (7515M9G), UK:Intel® Pentium®
Processor model
- dc7900 CMT + LE1851w:E8500
- ThinkCentre A58 Tower (7515M9G), UK:E5400
Processor frequency
- dc7900 CMT + LE1851w:3.16 GHz
- ThinkCentre A58 Tower (7515M9G), UK:2.7 GHz
Processor cache
- dc7900 CMT + LE1851w:6 MB
- ThinkCentre A58 Tower (7515M9G), UK:2 MB
Processor front side bus
- dc7900 CMT + LE1851w:1333 MHz
- ThinkCentre A58 Tower (7515M9G), UK:800 MHz
Thermal Design Power (TDP)
- dc7900 CMT + LE1851w:65 W
- ThinkCentre A58 Tower (7515M9G), UK:45, 65
Tcase
- dc7900 CMT + LE1851w:72.4 °C
- ThinkCentre A58 Tower (7515M9G), UK:74.1 °C
Number of Processing Die Transistors
- dc7900 CMT + LE1851w:410 M
- ThinkCentre A58 Tower (7515M9G), UK:228 M

Side by side

Differences highlightedShow differences only

Comparison of dc7900 CMT + LE1851w, ThinkCentre A58 Tower (7515M9G), UK
129 specifications	A HP dc7900 CMT + LE1851w View product	B Lenovo ThinkCentre A58 Tower (7515M9G), UK View product
Processor12 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™2 Duo	Intel® Pentium®
Processor modelDiffers	E8500	E5400
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	3.16 GHz	2.7 GHz
Processor cacheDiffers	6 MB	2 MB
Processor cache type	L2	L2
Processor front side busDiffers	1333 MHz	800 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo E8000 Series	Intel Pentium E5000 Series for Desktop
Processor codename	Wolfdale	Wolfdale
Thermal Design Power (TDP)Differs	65 W	45, 65
TcaseDiffers	72.4 °C	74.1 °C
Number of processors installedKnown for one	Unknown — not stated by the source	1
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	410 M	228 M
Processing Die sizeDiffers	107 mm²	82 mm²
CPU multiplier (bus/core ratio)Differs	9.5	13.5
SteppingDiffers	C0	R0
ECC supported by processor	No	No
Processor system typeKnown for one	DP	Unknown — not stated by the source
Processor core voltage (AC)Known for one	0.850/1.3625 V	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	2 GB	1 GB
Maximum internal memoryDiffers	16 GB	4 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory layout (slots x size)Differs	2 x 1 GB	1 x 1 GB
Memory clock speedKnown for one	Unknown — not stated by the source	800 MHz
Memory typeKnown for one	Unknown — not stated by the source	DDR2 SDRAM
Storage2 differ
Total storage capacity	250 GB	250 GB
Optical drive typeDiffers	DVD±RW	DVD-ROM
HDD capacityKnown for one	Unknown — not stated by the source	250 GB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integratedDiffers	Yes	No
Floppy drive installed	No	No
Storage drive typeKnown for one	Unknown — not stated by the source	250GB SATA/ 7200
Graphics1 differ
On-board graphics card	Yes	Yes
Discrete graphics card modelDiffers	Intel® GMA 4500M	Intel® GMA X4500
Graphics card familyKnown for one	Unknown — not stated by the source	Intel
Performanceidentical
Product type	PC	PC
Networkidentical
Modem typeKnown for one	Unknown — not stated by the source	No
Ethernet LAN	Yes	Yes
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Wi-Fi	No	No
Networking features	Gigabit Ethernet	Gigabit Ethernet
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	8	6
HDMI ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Line-outKnown for one	Unknown — not stated by the source	Yes
Line-inKnown for one	Unknown — not stated by the source	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI port	No	No
PS/2 ports quantity	2	2
Firewire (IEEE 1394) ports	0	0
Serial ports quantity	1	1
Parallel ports quantityDiffers	0	1
Expansion slotsidentical
PCI Express x16 slotsKnown for one	Unknown — not stated by the source	2
Expansion slotsKnown for one	Unknown — not stated by the source	PCI/PCI Express
Power1 differ
Power supplyDiffers	365 W	280 W
Power supply input voltageKnown for one	Unknown — not stated by the source	110 - 220 V
Power supply input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Power requirementsKnown for one	90 – 264 / 100 – 240 VAC, 50/60 Hz	Unknown — not stated by the source
Design1 differ
Chassis typeDiffers	Mini Tower	Tower
Product colourKnown for one	Unknown — not stated by the source	Black
Form factorKnown for one	Unknown — not stated by the source	Tower Tower (4x5)
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Country of originKnown for one	China	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows Vista Business	Windows 7 Professional
Optional operating system suppliedKnown for one	Unknown — not stated by the source	Windows XP Professional
Bundled softwareKnown for one	HP ProtectTools Security Software Suite Version 4.0, HP Power Manager, HP Firefox Virtual Browser, HP Backup & Recovery Manager, HP Insight Diagnostics Software, Computer Setup Utility, Roxio Creator Business 10 or DVD 10 / Easy Media Creator 9.0, Intervideo WinDVD 8 LE, PDF Complete	Unknown — not stated by the source
Display1 differ
Display includedDiffers	Yes	No
Display diagonalKnown for one	47 cm (18.5")	Unknown — not stated by the source
Display resolutionKnown for one	1366 x 768 pixels	Unknown — not stated by the source
Contrast ratio (typical)Known for one	1000:1	Unknown — not stated by the source
Display brightnessKnown for one	250 cd/m²	Unknown — not stated by the source
Viewing angle, horizontalKnown for one	160°	Unknown — not stated by the source
Viewing angle, verticalKnown for one	160°	Unknown — not stated by the source
Processor special features5 differ
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)	No	No
Intel Virtualization Technology (VT-x)Differs	Yes	2
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	33911	40478
Processor codeDiffers	SLAPK	SLGH7
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Thermal Monitoring Technologies	Yes	Yes
Intel® Turbo Boost Technology	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® Quick Sync Video Technology	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	No
Audio1 differ
Audio systemDiffers	High Definition Audio	ALC662
Weight & dimensions4 differ
WidthDiffers	177 mm	175 mm
DepthDiffers	452 mm	442 mm
HeightDiffers	447 mm	412 mm
WeightDiffers	11.8 kg	11.2 kg
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	Yes
Remote control included	No	No
Keyboardidentical
Pointing deviceKnown for one	Unknown — not stated by the source	USB Optical Wheel Mouse
Featuresidentical
Manageability featuresKnown for one	Unknown — not stated by the source	ACPI 3.0
Other featuresidentical
Security featuresKnown for one	Unknown — not stated by the source	Chassis intrusion switch, Computrace, Enable/disable the front/rear USBs, Vista Bit-Locker
TV tuner integrated	No	No

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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