Product comparison · 2 pcs/workstations

HP Compaq dc7900 CMT vs Lenovo ThinkCentre A58

83specifications compared
30differ
53identical
32known for one product only

Key differences

Processor family
- Compaq dc7900 CMT:Intel® Core™2 Duo
- ThinkCentre A58:Intel® Pentium®
Processor model
- Compaq dc7900 CMT:E8500
- ThinkCentre A58:E5200
Processor frequency
- Compaq dc7900 CMT:3.16 GHz
- ThinkCentre A58:2.5 GHz
Processor cache
- Compaq dc7900 CMT:6 MB
- ThinkCentre A58:2 MB
Processor front side bus
- Compaq dc7900 CMT:1333 MHz
- ThinkCentre A58:800 MHz
Tcase
- Compaq dc7900 CMT:72.4 °C
- ThinkCentre A58:74.1 °C
Number of Processing Die Transistors
- Compaq dc7900 CMT:410 M
- ThinkCentre A58:228 M
Processing Die size
- Compaq dc7900 CMT:107 mm²
- ThinkCentre A58:82 mm²

Side by side

Differences highlightedShow differences only

Comparison of Compaq dc7900 CMT, ThinkCentre A58
115 specifications	A HP Compaq dc7900 CMT View product	B Lenovo ThinkCentre A58 View product
Processor11 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™2 Duo	Intel® Pentium®
Processor modelDiffers	E8500	E5200
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	3.16 GHz	2.5 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
Processor system typeKnown for one	DP	Unknown — not stated by the source
Thermal Design Power (TDP)	65 W	65 W
TcaseDiffers	72.4 °C	74.1 °C
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	12.5
Processor core voltage (AC)Known for one	0.850/1.3625 V	Unknown — not stated by the source
SteppingDiffers	C0	M0
ECC supported by processor	No	No
Memory2 differ
Internal memory	2 GB	2 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 2 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x DIMM
Memory clock speedKnown for one	Unknown — not stated by the source	800 MHz
Storage3 differ
Total storage capacityDiffers	250 GB	320 GB
Optical drive typeDiffers	DVD Super Multi	DVD±RW
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integratedDiffers	Yes	No
Storage drive controllerKnown for one	SATA 3.0Gb/s	Unknown — not stated by the source
Graphicsidentical
Discrete graphics card model	Intel® GMA 4500M	Intel® GMA 4500M
Video adapter, busKnown for one	PCI Express x16	Unknown — not stated by the source
Performanceidentical
Product type	PC	PC
Optical driveidentical
LightScribeKnown for one	Yes	Unknown — not stated by the source
Network1 differ
Networking featuresDiffers	Intel 82567LM Gigabit	Gigabit Ethernet
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	8	6
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
PS/2 ports quantity	2	2
Serial ports quantity	1	1
Parallel ports quantityDiffers	0	1
Expansion slotsidentical
PCI Express x1 slotsKnown for one	2	Unknown — not stated by the source
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
Expansion slotsKnown for one	3 x PCI	Unknown — not stated by the source
Poweridentical
Power requirementsKnown for one	90 – 264 / 100 – 240 VAC, 50/60 Hz, 47 – 63 Hz	Unknown — not stated by the source
Power consumption (typical)Known for one	365 W	Unknown — not stated by the source
Power supplyKnown for one	Unknown — not stated by the source	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
Design1 differ
Chassis typeDiffers	Mini Tower	Tower
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
External drive baysKnown for one	3 x 5.25", 1 x 3.5"	Unknown — not stated by the source
Country of originKnown for one	China	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows Vista Business	Windows Vista Business
Display1 differ
Display includedDiffers	Yes	No
Display diagonalKnown for one	55.9 cm (22")	Unknown — not stated by the source
Display resolutionKnown for one	1680 x 1050 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	300 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
DisplayKnown for one	TFT	Unknown — not stated by the source
Processor special features4 differ
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	No
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	37212
Processor codeKnown for one	SLAPK	Unknown — not stated by the source
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
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Audio1 differ
Audio systemDiffers	HD	Realtek ALC662
Operational conditionsidentical
Operating temperature (T-T)Known for one	10 - 35 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-30 - 60 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	177 mm	175 mm
DepthDiffers	452 mm	425 mm
HeightDiffers	447 mm	412 mm
WeightDiffers	11.8 kg	11.2 kg

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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