Product comparison · 2 pcs/workstations

Acer Aspire X3900 vs HP Pavilion p6121de

41specifications compared
24differ
17identical
79known for one product only

Key differences

Processor manufacturer
- Aspire X3900:Intel
- Pavilion p6121de:AMD
Processor family
- Aspire X3900:Intel® Core™ i3
- Pavilion p6121de:AMD Phenom
Processor model
- Aspire X3900:i3-530
- Pavilion p6121de:8750B
Processor cores
- Aspire X3900:2
- Pavilion p6121de:3
Processor frequency
- Aspire X3900:2.93 GHz
- Pavilion p6121de:2.4 GHz
Maximum internal memory
- Aspire X3900:8 GB
- Pavilion p6121de:4 GB
Internal memory type
- Aspire X3900:DDR3-SDRAM
- Pavilion p6121de:DDR2-SDRAM
Optical drive type
- Aspire X3900:DVD±RW
- Pavilion p6121de:DVD Super Multi DL

Side by side

Differences highlightedShow differences only

Comparison of Aspire X3900, Pavilion p6121de
120 specifications	A Acer Aspire X3900 View product	B HP Pavilion p6121de View product
Processor5 differ
Processor manufacturerDiffers	Intel	AMD
Processor familyDiffers	Intel® Core™ i3	AMD Phenom
Processor generationKnown for one	Intel® Core™ i3	Unknown — not stated by the source
Processor modelDiffers	i3-530	8750B
Processor coresDiffers	2	3
Processor threadsKnown for one	4	Unknown — not stated by the source
Processor frequencyDiffers	2.93 GHz	2.4 GHz
Processor cacheKnown for one	4 MB	Unknown — not stated by the source
Processor cache typeKnown for one	Smart Cache	Unknown — not stated by the source
Bus typeKnown for one	DMI	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
System bus rateKnown for one	2.5 GT/s	Unknown — not stated by the source
Processor lithographyKnown for one	32 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 i3-500 Desktop Series	Unknown — not stated by the source
Processor codenameKnown for one	Clarkdale	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	73 W	Unknown — not stated by the source
TcaseKnown for one	72.6 °C	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
Processor socketKnown for one	LGA 1156 (Socket H)	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	382 M	Unknown — not stated by the source
Processing Die sizeKnown for one	81 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	22	Unknown — not stated by the source
SteppingKnown for one	C2	Unknown — not stated by the source
Maximum internal memory supported by processorKnown for one	16 GB	Unknown — not stated by the source
Memory types supported by processorKnown for one	DDR3 1066/1333	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one	21 GB/s	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memory2 differ
Maximum internal memoryDiffers	8 GB	4 GB
Internal memory typeDiffers	DDR3-SDRAM	DDR2-SDRAM
Memory clock speedKnown for one	1333 MHz	Unknown — not stated by the source
Memory channelsKnown for one	Dual-channel	Unknown — not stated by the source
Memory layout (slots x size)Known for one	Unknown — not stated by the source	2 x 2 GB
Storage2 differ
Optical drive typeDiffers	DVD±RW	DVD Super Multi DL
Compatible memory cardsDiffers	MMC, MS PRO, SD, xD	MMC, MS Duo, MS Pro, MS Pro Duo, SD, xD
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Graphics3 differ
On-board graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	Intel® GMA	NVIDIA® GeForce® G210
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card modelKnown for one	Intel® HD Graphics	Unknown — not stated by the source
Number of displays supported (on-board graphics)Known for one	2	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	733 MHz	Unknown — not stated by the source
Graphics card familyDiffers	Intel	NVIDIA
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.5 GB
Performance1 differ
Motherboard chipsetDiffers	Intel® H57 Express	NVIDIA MCP61P
Network1 differ
Networking featuresDiffers	Gigabit Ethernet	Ethernet, Fast Ethernet
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	9	6
DVI portDiffers	No	Yes
Firewire (IEEE 1394) portsKnown for one	1	Unknown — not stated by the source
eSATA ports quantityKnown for one	1	Unknown — not stated by the source
S/PDIF out portKnown for one	Yes	Unknown — not stated by the source
Serial ports quantityKnown for one	0	Unknown — not stated by the source
Parallel ports quantityKnown for one	0	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	220 W	300 W
Design1 differ
Chassis typeDiffers	SFF	Micro Tower
Country of originKnown for one	Unknown — not stated by the source	China
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows Vista Home Premium
Bundled softwareKnown for one	Acer eRecovery Management, Acer Arcade Deluxe, Adobe Reader, eSobi, MyWinLocker, Nero 9 Essentials, Oberon GameZone	Unknown — not stated by the source
Display1 differ
Display includedDiffers	Yes	No
Display diagonalKnown for one	50.8 cm (20")	Unknown — not stated by the source
Processor special featuresidentical
CPU configuration (max)Known for one	1	Unknown — not stated by the source
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
Graphics & IMC lithographyKnown for one	45 nm	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	Yes	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	Yes	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	No	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	Yes	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	No	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	Yes	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
Physical Address Extension (PAE)Known for one	36 bit	Unknown — not stated by the source
Processor ARK IDKnown for one	46472	Unknown — not stated by the source
Processor package sizeKnown for one	37.5 x 37.5 mm	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	No	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	Yes	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 5.1	High Definition Audio
Weight & dimensions3 differ
WidthDiffers	100 mm	175 mm
DepthDiffers	352 mm	414 mm
HeightDiffers	265 mm	387 mm
WeightKnown for one	Unknown — not stated by the source	9.6 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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