The HP Compaq dc7900 Small Form Factor PC has 0.86 GHz more processor frequency than the HP Compaq Presario SR5612NL-M Desktop PC Bundle (3.16 GHz vs 2.3 GHz). The HP Compaq dc7900 Small Form Factor PC has 5 MB more processor cache than the HP Compaq Presario SR5612NL-M Desktop PC Bundle (6 MB vs 1 MB). The HP Compaq Presario SR5612NL-M Desktop PC Bundle has 160 GB more total storage capacity than the HP Compaq dc7900 Small Form Factor PC (320 GB vs 160 GB). Only the HP Compaq Presario SR5612NL-M Desktop PC Bundle has card reader integrated. Only the HP Compaq Presario SR5612NL-M Desktop PC Bundle has display included.
Processor manufacturer
Compaq dc7900 Small Form Factor PC:Intel
Compaq Presario SR5612NL-M Desktop PC Bundle:AMD
Processor family
Compaq dc7900 Small Form Factor PC:Intel® Core™2 Duo
Compaq Presario SR5612NL-M Desktop PC Bundle:AMD Athlon
Processor model
Compaq dc7900 Small Form Factor PC:E8500
Compaq Presario SR5612NL-M Desktop PC Bundle:4450e
Processor frequency
Compaq dc7900 Small Form Factor PC:3.16 GHz
Compaq Presario SR5612NL-M Desktop PC Bundle:2.3 GHz
Processor cache
Compaq dc7900 Small Form Factor PC:6 MB
Compaq Presario SR5612NL-M Desktop PC Bundle:1 MB
Total storage capacity
Compaq dc7900 Small Form Factor PC:160 GB
Compaq Presario SR5612NL-M Desktop PC Bundle:320 GB
Card reader integrated
Compaq dc7900 Small Form Factor PC:No
Compaq Presario SR5612NL-M Desktop PC Bundle:Yes
Discrete graphics card model
Compaq dc7900 Small Form Factor PC:Intel® GMA 4500M
Compaq Presario SR5612NL-M Desktop PC Bundle:NVIDIA GeForce 6150 SE
Optional 1.44 MB Diskette Drive, HP Media Card Reader 16-in-1 (5.25" with PCI)
—Unknown — not stated by the source
Storage drive typeKnown for one
2 x 160 GB with optional dual drive RAID + Sata 2nd Cable
—Unknown — not stated by the source
HDD noteKnown for one
RAID 1 Mirrored Array configuration
—Unknown — not stated by the source
HDD interfaceKnown for one
—Unknown — not stated by the source
SATA
Graphics1 differ
Discrete graphics card modelDiffers
Intel® GMA 4500M
NVIDIA GeForce 6150 SE
Video card featuresKnown for one
3D/2D Controller: support is fully compliant with Microsoft standard API such as Microsoft DirectX9, DirectXVA, VMR9, GDI/GDI+; OpenGL 1.4.; Integrated VGA Controller; Integrated 400 MHz RAMDAC; Overlay Planes: Single overlay support with 5x3 filtering; Maximum Color Depth: 32 bits/pixel; Multi-disp
—Unknown — not stated by the source
Video adapter, busKnown for one
PCI Express x16
—Unknown — not stated by the source
Video card resolutionKnown for one
Maximum Vertical Refresh Rate: 85 Hz at up to 1920x1440, 75 Hz at 2048x1536
—Unknown — not stated by the source
Performanceidentical
Product type
PC
PC
Motherboard chipsetKnown for one
—Unknown — not stated by the source
NVIDIA nForce 430
Audio output channelsKnown for one
—Unknown — not stated by the source
7.1 channels
Optical driveidentical
LightScribe
Yes
Yes
Network1 differ
Networking featuresDiffers
Gigabit Ethernet
Ethernet 10/100BT
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 quantityDiffers
1
0
Parallel ports quantity
0
0
I/O portsKnown for one
Rear: 6 USB 2.0, 1 serial port, 2 PS/2, 1 RJ-45, 1 VGA, 1 DisplayPort, audio in/out; Front: 2 USB 2.0, audio ports; Optional: 2nd serial port, 1 parallel port
Input voltage 90 – 264 / 100 – 240 VAC, 50/60 Hz, 47 – 63 Hz, active PFC (85% High Efficiency) Operating Voltage Range: 90 – 264 VAC; Rated Voltage Range: 100 – 240 VAC; Rated Line Frequency: 50/60 Hz; Operating Line Frequency Range: 47 – 63 Hz; Rated Input Current: 4.0 A; with Energy Efficient Powe
—Unknown — not stated by the source
Power supplyKnown for one
240 W
—Unknown — not stated by the source
Power consumption (typical)Known for one
240 W
—Unknown — not stated by the source
Power managementKnown for one
Operating Voltage Range: 90 – 264 VAC; Rated Voltage Range: 100 – 240 VAC; Rated Line Frequency: 50/60 Hz; Operating Line Frequency Range: 47 – 63 Hz; Rated Input Current: 4.0 A; with Energy Efficient Power Supply: 3.5 A; Current Leakage (NFPA 99): < 275 µA; System Heat Dissipation: Typical 198 btu/
—Unknown — not stated by the source
Design1 differ
Chassis typeDiffers
SFF
Tower
Country of origin
China
China
Upgrade typeKnown for one
Windows Vista capable
—Unknown — not stated by the source
Software1 differ
Operating system installedDiffers
Windows Vista Business
Windows Vista Home Premium
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
Display1 differ
Display includedDiffers
No
Yes
Display diagonalKnown for one
—Unknown — not stated by the source
48.3 cm (19")
Display resolutionKnown for one
—Unknown — not stated by the source
1440 x 900 pixels
Contrast ratio (typical)Known for one
—Unknown — not stated by the source
1000:1
Display brightnessKnown for one
—Unknown — not stated by the source
300 cd/m²
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
Audio1 differ
Audio systemDiffers
High Definition Audio
HD
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
169 mm
DepthDiffers
378 mm
426 mm
HeightDiffers
100 mm
377 mm
WeightDiffers
8.5 kg
9.53 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
Packaging data1 differ
Package weightDiffers
7 kg
14 kg
Certificatesidentical
CertificationKnown for one
ENERGY STAR qualified; EPEAT Gold; 85% efficient power supply
—Unknown — not stated by the source
Keyboardidentical
Pointing deviceKnown for one
HP PS/2 2-Button Optical Scroll Mouse
—Unknown — not stated by the source
Keyboard typeKnown for one
HP 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
RAID 1 Mirrored Array. Energy efficient, space saving design. Long, stable lifecycle.
—Unknown — not stated by the source
Security management descriptionKnown for one
Integrated 1.2 TPM Embedded Security Chip (except for Russia), HP Business PC Security Lock, HP USB Smartcard Keyboard
