Product comparison · 2 pcs/workstations

HP Compaq dc7900 Small Form Factor PC (ENERGY STAR) vs Lenovo ThinkStation S10 6483 Tower

29specifications compared
19differ
10identical
107known for one product only

Key differences

The HP Compaq dc7900 Small Form Factor PC (ENERGY STAR) has 0.5 GHz more processor frequency than the Lenovo ThinkStation S10 6483 Tower (3.16 GHz vs 2.66 GHz). The Lenovo ThinkStation S10 6483 Tower has 6 MB more processor cache than the HP Compaq dc7900 Small Form Factor PC (ENERGY STAR) (12 MB vs 6 MB). The Lenovo ThinkStation S10 6483 Tower has 2 GB more internal memory than the HP Compaq dc7900 Small Form Factor PC (ENERGY STAR) (4 GB vs 2 GB). Processor family: Intel® Core™2 Duo on the HP Compaq dc7900 Small Form Factor PC (ENERGY STAR), Intel® Core™2 Quad on the Lenovo ThinkStation S10 6483 Tower. Processor socket: LGA 775 (Socket T) on the HP Compaq dc7900 Small Form Factor PC (ENERGY STAR), LGA 775 + AM2/2+ on the Lenovo ThinkStation S10 6483 Tower.

Processor family
- Compaq dc7900 Small Form Factor PC (ENERGY STAR):Intel® Core™2 Duo
- ThinkStation S10 6483 Tower:Intel® Core™2 Quad
Processor frequency
- Compaq dc7900 Small Form Factor PC (ENERGY STAR):3.16 GHz
- ThinkStation S10 6483 Tower:2.66 GHz
Processor cache
- Compaq dc7900 Small Form Factor PC (ENERGY STAR):6 MB
- ThinkStation S10 6483 Tower:12 MB
Processor socket
- Compaq dc7900 Small Form Factor PC (ENERGY STAR):LGA 775 (Socket T)
- ThinkStation S10 6483 Tower:LGA 775 + AM2/2+
Internal memory
- Compaq dc7900 Small Form Factor PC (ENERGY STAR):2 GB
- ThinkStation S10 6483 Tower:4 GB
Maximum internal memory
- Compaq dc7900 Small Form Factor PC (ENERGY STAR):16 GB
- ThinkStation S10 6483 Tower:8 GB
Internal memory type
- Compaq dc7900 Small Form Factor PC (ENERGY STAR):DDR2-SDRAM
- ThinkStation S10 6483 Tower:DDR3-SDRAM
HDD capacity
- Compaq dc7900 Small Form Factor PC (ENERGY STAR):250 GB
- ThinkStation S10 6483 Tower:500 GB

Side by side

Differences highlightedShow differences only

Comparison of Compaq dc7900 Small Form Factor PC (ENERGY STAR), ThinkStation S10 6483 Tower
136 specifications	A HP Compaq dc7900 Small Form Factor PC (ENERGY STAR)View product	B Lenovo ThinkStation S10 6483 Tower View product
Processor4 differ
Processor familyDiffers	Intel® Core™2 Duo	Intel® Core™2 Quad
Processor modelKnown for one	E8500	Unknown — not stated by the source
Processor coresKnown for one	2	Unknown — not stated by the source
Processor threadsKnown for one	2	Unknown — not stated by the source
Processor frequencyDiffers	3.16 GHz	2.66 GHz
Processor cacheDiffers	6 MB	12 MB
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 E8000 Series	Unknown — not stated by the source
Processor codenameKnown for one	Wolfdale	Unknown — not stated by the source
Processor system typeKnown for one	DP	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	65 W	Unknown — not stated by the source
TcaseKnown for one	72.4 °C	Unknown — not stated by the source
Processor socketDiffers	LGA 775 (Socket T)	LGA 775 + AM2/2+
Number of Processing Die TransistorsKnown for one	410 M	Unknown — not stated by the source
Processing Die sizeKnown for one	107 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	9.5	Unknown — not stated by the source
Processor core voltage (AC)Known for one	0.850/1.3625 V	Unknown — not stated by the source
SteppingKnown for one	C0	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	2 GB	4 GB
Maximum internal memoryDiffers	16 GB	8 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	800 MHz	Unknown — not stated by the source
Minimum RAMKnown for one	512 MB	Unknown — not stated by the source
Storage1 differ
Total storage capacityKnown for one	250 GB	Unknown — not stated by the source
Optical drive typeKnown for one	DVD Super Multi	Unknown — not stated by the source
HDD capacityDiffers	250 GB	500 GB
Card reader integratedKnown for one	Yes	Unknown — not stated by the source
Maximum HDD capacityKnown for one	500 GB	Unknown — not stated by the source
Minimum storage drive spaceKnown for one	80 GB	Unknown — not stated by the source
Storage drive controllerKnown for one	SATA 3.0GB/s	Unknown — not stated by the source
Diskette driveKnown for one	Optional	Unknown — not stated by the source
Storage drive typeKnown for one	250 GB 7200 rpm SATA 3.0 Gb/s NCQ, Smart IV	Unknown — not stated by the source
HDD controller typeKnown for one	SATA (7200 rpm)	Unknown — not stated by the source
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
Graphicsidentical
Discrete graphics card modelKnown for one	Intel® GMA 4500M	Unknown — not stated by the source
Video card featuresKnown for one	Integrated Intel Graphics Media Accelerator 4500	Unknown — not stated by the source
Video adapter, busKnown for one	PCI Express x16	Unknown — not stated by the source
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.256 GB
Graphics cardKnown for one	Unknown — not stated by the source	Quadro FX 570
Performance1 differ
Product typeDiffers	PC	Workstation
Optical driveidentical
LightScribeKnown for one	Yes	Unknown — not stated by the source
Networkidentical
Networking featuresKnown for one	Gigabit Network	Unknown — not stated by the source
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	8	10
Ethernet LAN (RJ-45) portsDiffers	1	2
Headphone outputsDiffers	1	8
I/O portsKnown for one	2 USB 2.0; 1 headphone/line-out; 1 microphone in	Unknown — not stated by the source
Rear ports noteKnown for one	6 USB 2.0; 1 serial; 2 PS/2; 1 RJ-45; 1 external VGA monitor; 1 DisplayPort; 1 audio in; 1 audio out; 1 parallel (optional); 1 serial (optional 2nd); 1 eSATA (optional)	Unknown — not stated by the source
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	1
Expansion slotsidentical
PCI Express x1 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 slotsKnown for one	2	Unknown — not stated by the source
Expansion slotsKnown for one	1 x PCI	Unknown — not stated by the source
Power1 differ
Power supply typeKnown for one	240W 85% Efficient - Active PFC	Unknown — not stated by the source
Power requirementsDiffers	240W power supply – active PFC; 240W 85% efficient power supply – active PFC	120/230 V ( 50/60 Hz )
Power consumption (typical)Known for one	240 W	Unknown — not stated by the source
Power supplyKnown for one	Unknown — not stated by the source	650 W
Design1 differ
Chassis typeDiffers	SFF	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	1 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
Upgrade typeKnown for one	Windows Vista capable	Unknown — not stated by the source
Softwareidentical
Operating system installedKnown for one	Windows Vista Business	Unknown — not stated by the source
Applications supportedKnown for one	Windows Vista Premium ready	Unknown — not stated by the source
Compatible operating systemsKnown for one	Genuine Windows XP Professional; Genuine Windows XP Home	Unknown — not stated by the source
Bundled softwareKnown for one	On some models only (not included with FreeDOS): HP ProtectTools Security Software Suite Version 4.0, HP Power Manager, HP Firefox Virtual Browser, HP Backup and Recovery Manager, HP Insight Diagnostics Software (available via HP Backup and Recovery Manager), Computer Setup Utility, McAfee AntiVirus	Unknown — not stated by the source
Driver LANKnown for one	Microsoft Windows Vista, Microsoft Windows XP	Unknown — not stated by the source
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	Yes	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	Yes	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Yes	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	33911	Unknown — not stated by the source
Processor codeKnown for one	SLAPK	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
Audioidentical
Audio systemKnown for one	HD	Unknown — not stated by the source
Audio includedKnown for one	Integrated HD audio with ADI1884 codec, internal PC speaker	Unknown — not stated by the source
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
Relative humidityKnown for one	10 - 90%	Unknown — not stated by the source
Non-operating altitudeKnown for one	9144	Unknown — not stated by the source
Non-operating relative humidity (non-condensing)Known for one	5 - 90%	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	337 mm	175 mm
DepthDiffers	378 mm	483 mm
HeightDiffers	100 mm	426 mm
WeightDiffers	8.5 kg	16.4 kg
Size (imperial)Known for one	33.8 cm (13.3")	Unknown — not stated by the source
Weight (imperial)Known for one	18.75 lb	Unknown — not stated by the source
Certificates1 differ
CertificationDiffers	ENERGY STAR qualified; EPEAT Gold; 85% efficient power supply	CE, UL, TUV GS, VCCI, C-Tick, GOST, BSMI CNS 13438 Class B, cUL, NOM, SABS, SASO, CB, FCC Part 15 B, IRAM, 80 PLUS, ACA, JEITA
Keyboardidentical
Pointing deviceKnown for one	PS/2 2-button optical scroll mouse	Unknown — not stated by the source
Keyboard typeKnown for one	PS/2 standard keyboard	Unknown — not stated by the source
Multimediaidentical
MultimediaKnown for one	Integrated High Definition audio with ADI1884 codec (all ports are stereo)	Unknown — not stated by the source
Featuresidentical
Manageability featuresKnown for one	Energy efficient, space saving design. Long, stable lifecycle.	Unknown — not stated by the source
Security management descriptionKnown for one	HP ProtectTools Security Software Suite; Embedded TPM 1.2 compliant security module (TPM module disabled where use is restricted by law); TPM Pre-Boot Authentication (via BIOS); Smartcard Pre-boot Authentication (via BIOS); Stringent Security (via BIOS - must be enabled); SATA port disablement (via	Unknown — not stated by the source
Other featuresidentical
Security featuresKnown for one	Kensington Lock, Solenoid Hood Lock / Sensor, HP 2008 (SFF) Wall Mount/Security Sleeve	Unknown — not stated by the source
Drive baysKnown for one	1 - 3.5-in; 1 – 5.25-in 1 – 3.5-in	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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