Product comparison · 2 pcs/workstations

HP Pavilion p6658uk Intel® Pentium® D 820 vs HP Pro 3120 SFF + S2231a

85specifications compared
31differ
54identical
70known for one product only

Key differences

The HP Pavilion p6658uk Intel® Pentium® D 820 has 4 MB more processor cache than the HP Pro 3120 SFF + S2231a (6 MB vs 2 MB). The HP Pavilion p6658uk Intel® Pentium® D 820 has 45 nm more processor lithography than the HP Pro 3120 SFF + S2231a (90 nm vs 45 nm). The HP Pavilion p6658uk Intel® Pentium® D 820 has 30 W more thermal Design Power (TDP) than the HP Pro 3120 SFF + S2231a (95 W vs 65 W). Only the HP Pavilion p6658uk Intel® Pentium® D 820 has card reader integrated. Only the HP Pavilion p6658uk Intel® Pentium® D 820 has Wi-Fi.

Processor family
- Pavilion p6658uk Intel® Pentium® D 820:Intel® Pentium® D
- Pro 3120 SFF + S2231a:Intel® Pentium®
Processor model
- Pavilion p6658uk Intel® Pentium® D 820:820
- Pro 3120 SFF + S2231a:E5500
Processor cache
- Pavilion p6658uk Intel® Pentium® D 820:6 MB
- Pro 3120 SFF + S2231a:2 MB
Processor cache type
- Pavilion p6658uk Intel® Pentium® D 820:L3
- Pro 3120 SFF + S2231a:Smart Cache
Processor lithography
- Pavilion p6658uk Intel® Pentium® D 820:90 nm
- Pro 3120 SFF + S2231a:45 nm
Processor codename
- Pavilion p6658uk Intel® Pentium® D 820:Smithfield
- Pro 3120 SFF + S2231a:Wolfdale
Thermal Design Power (TDP)
- Pavilion p6658uk Intel® Pentium® D 820:95 W
- Pro 3120 SFF + S2231a:65 W
Tcase
- Pavilion p6658uk Intel® Pentium® D 820:64.1 °C
- Pro 3120 SFF + S2231a:74.1 °C

Side by side

Differences highlightedShow differences only

Comparison of p6658uk, Pro 3120 SFF + S2231a
155 specifications	A HP Pavilion p6658uk Intel® Pentium® D 820 Model p6658uk View product	B HP Pro 3120 SFF + S2231a View product
Processor11 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium® D	Intel® Pentium®
Processor modelDiffers	820	E5500
Processor cores	2	2
Processor threads	2	2
Processor frequency	2.8 GHz	2.8 GHz
Processor cacheDiffers	6 MB	2 MB
Processor cache typeDiffers	L3	Smart Cache
Processor front side bus	800 MHz	800 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithographyDiffers	90 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Pentium D 800 Series	Intel Pentium E5000 Series for Desktop
Processor codenameDiffers	Smithfield	Wolfdale
Thermal Design Power (TDP)Differs	95 W	65 W
TcaseDiffers	64.1 °C	74.1 °C
Number of processors installedKnown for one	1	Unknown — not stated by the source
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	230 M	228 M
Processing Die sizeDiffers	206 mm²	82 mm²
CPU multiplier (bus/core ratio)	14	14
Processor core voltage (AC)Known for one	1.25 - 1.40 V	Unknown — not stated by the source
ECC supported by processor	No	No
SteppingKnown for one	Unknown — not stated by the source	R0
Memory1 differ
Internal memoryDiffers	4 GB	2 GB
Maximum internal memoryKnown for one	16 GB	Unknown — not stated by the source
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory slotsKnown for one	4x DIMM	Unknown — not stated by the source
Memory clock speed	1333 MHz	1333 MHz
Non-ECCKnown for one	Yes	Unknown — not stated by the source
Storage3 differ
Total storage capacityDiffers	1 TB	320 GB
Optical drive typeDiffers	Blu-Ray DVD Combo	DVD Super Multi
Storage mediaKnown for one	HDD	Unknown — not stated by the source
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	1 TB	Unknown — not stated by the source
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
Card reader integratedDiffers	Yes	No
Compatible memory cardsKnown for one	CF, CF+, Memory Stick (MS), MicroDrive, MiniSD, MMC, MMC Mobile, MMC+, MS Duo, MS PRO, MS PRO Duo, RS-MMC, SD, SmartMedia, xD	Unknown — not stated by the source
Floppy drive installedKnown for one	Unknown — not stated by the source	No
Graphics1 differ
On-board graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 320	Intel® GMA X4500HD
Discrete graphics card memoryKnown for one	1 GB	Unknown — not stated by the source
Number of discrete graphics cardsKnown for one	1	Unknown — not stated by the source
On-board graphics card familyKnown for one	AMD Radeon HD 3000	Unknown — not stated by the source
On-board graphics card modelKnown for one	AMD Radeon HD 3000	Unknown — not stated by the source
Graphics card familyKnown for one	Unknown — not stated by the source	Intel
Performanceidentical
Product type	PC	PC
Motherboard chipsetKnown for one	AMD 760G	Unknown — not stated by the source
Motherboard form factorKnown for one	micro ATX	Unknown — not stated by the source
Password protectionKnown for one	Yes	Unknown — not stated by the source
Audio output channelsKnown for one	7.1 channels	Unknown — not stated by the source
Optical driveidentical
Optical drives quantityKnown for one	1	Unknown — not stated by the source
LightScribeKnown for one	Unknown — not stated by the source	Yes
Network1 differ
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesKnown for one	10,100 Mbit/s	Unknown — not stated by the source
Wi-FiDiffers	Yes	No
Top Wi-Fi standardKnown for one	Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Wi-Fi standardsKnown for one	802.11b, 802.11g, Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Ports & interfaces1 differ
USB 2.0 ports quantity	6	6
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
HDMI ports quantityKnown for one	1	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Line-outKnown for one	Yes	Unknown — not stated by the source
Line-inKnown for one	Yes	Unknown — not stated by the source
Microphone in	Yes	Yes
VGA (D-Sub) ports quantityDiffers	2	1
DVI port	Yes	Yes
PS/2 ports quantityKnown for one	0	Unknown — not stated by the source
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
S/PDIF out port	Yes	Yes
Expansion slotsidentical
Number of 3.5" baysKnown for one	3	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	300 W	220 W
Power supply input voltageKnown for one	100 - 240 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	Mini Tower	SFF
Placement supportedKnown for one	Vertical	Unknown — not stated by the source
Number of 5.25" baysKnown for one	2	Unknown — not stated by the source
Liquid cooling systemKnown for one	No	Unknown — not stated by the source
Product colour	Black	Black
Country of origin	China	China
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Display1 differ
Display includedDiffers	No	Yes
Display diagonalKnown for one	Unknown — not stated by the source	54.6 cm (21.5")
Display resolutionKnown for one	Unknown — not stated by the source	1920 x 1080 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
Viewing angle, horizontalKnown for one	Unknown — not stated by the source	170°
Viewing angle, verticalKnown for one	Unknown — not stated by the source	160°
Processor special features4 differ
Embedded options available	No	No
Enhanced Intel SpeedStep TechnologyDiffers	No	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 Technology	No	No
Intel VT-x with Extended Page Tables (EPT)	No	No
Intel Virtualization Technology (VT-x)Differs	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Active Management Technology (Intel® AMT)Known for one	No	Unknown — not stated by the source
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® High Definition Audio (Intel® HD Audio)Known for one	No	Unknown — not stated by the source
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® Matrix Storage Technology (Intel® MST)Known for one	No	Unknown — not stated by the source
Intel® Small Business Advantage (Intel® SBA)Known for one	No	Unknown — not stated by the source
Intel® Wireless Display (Intel® WiDi)	No	No
Physical Address Extension (PAE)Known for one	32 bit	Unknown — not stated by the source
Processor ARK IDDiffers	27512	42800
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Thermal Monitoring TechnologiesDiffers	No	Yes
Intel® Smart Response TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Rapid Start TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Turbo Boost Technology	No	No
Intel Smart Connect TechnologyKnown for one	No	Unknown — not stated by the source
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® Identity Protection Technology (Intel® IPT)Known for one	No	Unknown — not stated by the source
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
Processor codeKnown for one	Unknown — not stated by the source	SLGTJ
Audio1 differ
Audio systemDiffers	HD	High Definition Audio
Weight & dimensions4 differ
WidthDiffers	175 mm	311 mm
DepthDiffers	414 mm	389.4 mm
HeightDiffers	387 mm	112.5 mm
WeightDiffers	9.6 kg	6.7 kg
Packaging dataidentical
Package widthKnown for one	498 mm	Unknown — not stated by the source
Package depthKnown for one	599 mm	Unknown — not stated by the source
Package heightKnown for one	245 mm	Unknown — not stated by the source
Package weightKnown for one	14 kg	Unknown — not stated by the source
Packaging contentidentical
Mouse includedKnown for one	Yes	Unknown — not stated by the source
Keyboard includedKnown for one	Yes	Unknown — not stated by the source
Numeric keypadKnown for one	Yes	Unknown — not stated by the source
Cables includedKnown for one	AC	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Remote control includedKnown for one	Unknown — not stated by the source	No
Keyboardidentical
Windows keysKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
TV tuner integratedKnown for one	Unknown — not stated by the source	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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