Product comparison · 2 pcs/workstations

HP Compaq CQ1251AN AMD E E-450 vs HP Compaq CQ2702ED Intel® Core™ i3 i3-2120T

52specifications compared
18differ
34identical
90known for one product only

Key differences

The HP Compaq CQ2702ED Intel® Core™ i3 i3-2120T has 2 more processor threads than the HP Compaq CQ1251AN AMD E E-450 (4 vs 2). The HP Compaq CQ2702ED Intel® Core™ i3 i3-2120T has 0.95 GHz more processor frequency than the HP Compaq CQ1251AN AMD E E-450 (2.6 GHz vs 1.65 GHz). The HP Compaq CQ2702ED Intel® Core™ i3 i3-2120T has 2 MB more processor cache than the HP Compaq CQ1251AN AMD E E-450 (3 MB vs 1 MB). Processor manufacturer: AMD on the HP Compaq CQ1251AN AMD E E-450, Intel on the HP Compaq CQ2702ED Intel® Core™ i3 i3-2120T. Processor family: AMD E on the HP Compaq CQ1251AN AMD E E-450, Intel® Core™ i3 on the HP Compaq CQ2702ED Intel® Core™ i3 i3-2120T.

Processor manufacturer
- Compaq CQ1251AN AMD E E-450:AMD
- Compaq CQ2702ED Intel® Core™ i3 i3-2120T:Intel
Processor family
- Compaq CQ1251AN AMD E E-450:AMD E
- Compaq CQ2702ED Intel® Core™ i3 i3-2120T:Intel® Core™ i3
Processor model
- Compaq CQ1251AN AMD E E-450:E-450
- Compaq CQ2702ED Intel® Core™ i3 i3-2120T:i3-2120T
Processor threads
- Compaq CQ1251AN AMD E E-450:2
- Compaq CQ2702ED Intel® Core™ i3 i3-2120T:4
Processor frequency
- Compaq CQ1251AN AMD E E-450:1.65 GHz
- Compaq CQ2702ED Intel® Core™ i3 i3-2120T:2.6 GHz
Processor cache
- Compaq CQ1251AN AMD E E-450:1 MB
- Compaq CQ2702ED Intel® Core™ i3 i3-2120T:3 MB
Processor cache type
- Compaq CQ1251AN AMD E E-450:L2
- Compaq CQ2702ED Intel® Core™ i3 i3-2120T:Smart Cache
Maximum internal memory
- Compaq CQ1251AN AMD E E-450:32 GB
- Compaq CQ2702ED Intel® Core™ i3 i3-2120T:8 GB

Side by side

Differences highlightedShow differences only

Comparison of CQ1251AN, CQ2702ED
142 specifications	A HP Compaq CQ1251AN AMD E E-450 Model CQ1251AN View product	B HP Compaq CQ2702ED Intel® Core™ i3 i3-2120T Model CQ2702ED View product
Processor7 differ
Processor manufacturerDiffers	AMD	Intel
Processor familyDiffers	AMD E	Intel® Core™ i3
Processor generationKnown for one	Unknown — not stated by the source	2nd gen Intel® Core™ i3
Processor modelDiffers	E-450	i3-2120T
Processor cores	2	2
Processor threadsDiffers	2	4
Processor frequencyDiffers	1.65 GHz	2.6 GHz
Processor cacheDiffers	1 MB	3 MB
Processor cache typeDiffers	L2	Smart Cache
Bus typeKnown for one	Unknown — not stated by the source	DMI
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
Processor lithographyKnown for one	Unknown — not stated by the source	32 nm
Processor operating modesKnown for one	Unknown — not stated by the source	64-bit
Processor codenameKnown for one	Unknown — not stated by the source	Sandy Bridge
Thermal Design Power (TDP)Known for one	Unknown — not stated by the source	35 W
TcaseKnown for one	Unknown — not stated by the source	65 °C
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
Number of processors installedKnown for one	Unknown — not stated by the source	1
Processor socketKnown for one	Unknown — not stated by the source	LGA 1155 (Socket H2)
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	26
Maximum number of SMP processorsKnown for one	Unknown — not stated by the source	1
SteppingKnown for one	Unknown — not stated by the source	Q0
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	32 GB
Memory types supported by processorKnown for one	Unknown — not stated by the source	DDR3-SDRAM
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	1066,1333 MHz
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	21 GB/s
Memory1 differ
Internal memory	4 GB	4 GB
Maximum internal memoryDiffers	32 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 4 GB
Memory slots	2x DIMM	2x DIMM
Memory channelsKnown for one	Unknown — not stated by the source	Dual-channel
Memory clock speedKnown for one	1333 MHz	Unknown — not stated by the source
Storage2 differ
Total storage capacity	1 TB	1 TB
Optical drive typeDiffers	DVD Super Multi	DVD±RW
Number of HDDs installed	1	1
HDD capacity	1 TB	1 TB
HDD interface	SATA II	SATA II
HDD speed	7200 RPM	7200 RPM
Number of SSDs installedKnown for one	Unknown — not stated by the source	0
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MMC+, MS PRO, SD, xD	MMC, SD
Graphics3 differ
On-board graphics card	Yes	Yes
Discrete graphics card model	Not available	Not available
Number of discrete graphics cardsKnown for one	Unknown — not stated by the source	0
On-board graphics card familyDiffers	AMD Radeon HD 6000	Intel® HD Graphics
On-board graphics card modelDiffers	AMD Radeon HD 6320	Intel® HD Graphics 2000
Number of displays supported (on-board graphics)Known for one	Unknown — not stated by the source	2
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	650 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	1100 MHz
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x102
Graphics card familyDiffers	AMD	Intel
Performance1 differ
Product type	PC	PC
Motherboard chipsetDiffers	AMD Hudson D1	Intel® H61
Password protection typeKnown for one	Unknown — not stated by the source	BIOS
Audio output channelsKnown for one	Unknown — not stated by the source	5.1 channels
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
BD interface type	SATA	SATA
Network1 differ
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesDiffers	10,100 Mbit/s	10,100,1000 Mbit/s
Wi-Fi	No	No
Wi-Fi standardsKnown for one	Unknown — not stated by the source	Not supported
BluetoothKnown for one	Unknown — not stated by the source	No
Internal modemKnown for one	Unknown — not stated by the source	No
Cabling technologyKnown for one	10/100Base-T(X)	Unknown — not stated by the source
Ports & interfacesidentical
USB 2.0 ports quantity	6	6
Thunderbolt ports quantityKnown for one	Unknown — not stated by the source	0
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Line-out	Yes	Yes
Line-in	Yes	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI port	Yes	Yes
Firewire (IEEE 1394) ports	0	0
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	0	Unknown — not stated by the source
PS/2 ports quantityKnown for one	0	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
Headphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
Microphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
Poweridentical
Power supply typeKnown for one	Unknown — not stated by the source	AC
Power supply input voltage	100 - 240 V	100 - 240 V
Power supply input frequency	50 - 60 Hz	50 - 60 Hz
Power supplyKnown for one	65 W	Unknown — not stated by the source
Designidentical
Chassis typeKnown for one	Unknown — not stated by the source	Tower
Product colour	Black	Black
Country of origin	China	China
Number of 5.25" baysKnown for one	1	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 7 Home Premium	Windows 7 Home Premium
Operating system architecture	64-bit	64-bit
Trial softwareKnown for one	Unknown — not stated by the source	Symantec Norton Internet Security 2012
Bundled softwareKnown for one	Unknown — not stated by the source	Microsoft Office Starter
Displayidentical
Display included	No	No
Processor special featuresidentical
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Embedded options availableKnown for one	Unknown — not stated by the source	No
Enhanced Intel SpeedStep TechnologyKnown for one	Unknown — not stated by the source	Yes
Execute Disable BitKnown for one	Unknown — not stated by the source	Yes
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Intel 64Known for one	Unknown — not stated by the source	Yes
Intel Dual Display Capable TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	Yes
Intel FDI TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Fast Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Trusted Execution TechnologyKnown for one	Unknown — not stated by the source	No
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology (VT-x)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	No
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	No
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Unknown — not stated by the source	Yes
Intel® InTru™ 3D TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Insider™Known for one	Unknown — not stated by the source	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	No
Processor ARK IDKnown for one	Unknown — not stated by the source	53427
Processor codeKnown for one	Unknown — not stated by the source	SR060
Processor package sizeKnown for one	Unknown — not stated by the source	37.5 x 37.5 mm
Supported instruction setsKnown for one	Unknown — not stated by the source	AVX
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	Yes
Intel® Quick Sync Video TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	HD
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	10 - 40 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	20 - 80%
Weight & dimensions3 differ
WidthDiffers	100 mm	382 mm
DepthDiffers	320 mm	165 mm
HeightDiffers	270 mm	355 mm
WeightKnown for one	Unknown — not stated by the source	5.54 kg
Packaging dataidentical
Package dimensions (WxDxH)Known for one	Unknown — not stated by the source	594 x 485 x 396 mm
Package weightKnown for one	Unknown — not stated by the source	13.8 kg
Packaging contentidentical
Mouse included	Yes	Yes
Keyboard included	Yes	Yes
Certificatesidentical
Electromagnetic compatibilityKnown for one	Unknown — not stated by the source	FCC, CE
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR
Expansion slotsidentical
Number of 3.5" baysKnown for one	1	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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