Product comparison · 2 all-in-one pcs/workstations

Haier Q20-D010 All-in-One PC/workstation Intel Atom® D2500 vs Haier Q51-C309 All-in-One PC/workstation Intel® Pentium® G645

103specifications compared
39differ
64identical
24known for one product only

Key differences

Display diagonal
- Q20-D010 All-in-One PC/workstation Intel Atom® D2500:47 cm (18.5")
- Q51-C309 All-in-One PC/workstation Intel® Pentium® G645:50.8 cm (20")
Processor family
- Q20-D010 All-in-One PC/workstation Intel Atom® D2500:Intel Atom®
- Q51-C309 All-in-One PC/workstation Intel® Pentium® G645:Intel® Pentium®
Processor model
- Q20-D010 All-in-One PC/workstation Intel Atom® D2500:D2500
- Q51-C309 All-in-One PC/workstation Intel® Pentium® G645:G645
Processor frequency
- Q20-D010 All-in-One PC/workstation Intel Atom® D2500:1.86 GHz
- Q51-C309 All-in-One PC/workstation Intel® Pentium® G645:2.9 GHz
Processor cache
- Q20-D010 All-in-One PC/workstation Intel Atom® D2500:1 MB
- Q51-C309 All-in-One PC/workstation Intel® Pentium® G645:3 MB
Processor cache type
- Q20-D010 All-in-One PC/workstation Intel Atom® D2500:L2
- Q51-C309 All-in-One PC/workstation Intel® Pentium® G645:Smart Cache
Processor socket
- Q20-D010 All-in-One PC/workstation Intel Atom® D2500:BGA 559
- Q51-C309 All-in-One PC/workstation Intel® Pentium® G645:LGA 1155 (Socket H2)
System bus rate
- Q20-D010 All-in-One PC/workstation Intel Atom® D2500:2.5 GT/s
- Q51-C309 All-in-One PC/workstation Intel® Pentium® G645:5 GT/s

Side by side

Differences highlightedShow differences only

Comparison of Q20-D010, Q51-C309
127 specifications	A Haier Q20-D010 All-in-One PC/workstation Intel Atom® D2500 Model Q20-D010 View product	B Haier Q51-C309 All-in-One PC/workstation Intel® Pentium® G645 Model Q51-C309 View product
Display1 differ
Display diagonalDiffers	47 cm (18.5")	50.8 cm (20")
LED backlightKnown for one	Unknown — not stated by the source	Yes
Processor16 differ
Processor familyDiffers	Intel Atom®	Intel® Pentium®
Processor modelDiffers	D2500	G645
Processor frequencyDiffers	1.86 GHz	2.9 GHz
Processor cacheDiffers	1 MB	3 MB
Processor cache typeDiffers	L2	Smart Cache
Processor socketDiffers	BGA 559	LGA 1155 (Socket H2)
System bus rateDiffers	2.5 GT/s	5 GT/s
Thermal Design Power (TDP)Differs	10 W	65 W
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	29
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
Processor codeDiffers	SR0W0	SR0RS
Processor codenameDiffers	Cedarview	Sandy Bridge
Processor seriesDiffers	Intel Atom D2500 Series	Intel Pentium G600 Series for Desktop
SteppingDiffers	B3	Q0
TcaseKnown for one	Unknown — not stated by the source	69.1 °C
Maximum internal memory supported by processorDiffers	4 GB	32 GB
Memory clock speeds supported by processorDiffers	800,1066 MHz	1066 MHz
Memory bandwidth supported by processor (max)Differs	6.4 GB/s	17 GB/s
Memory channels supported by processorDiffers	Single	Dual
Maximum number of PCI Express lanesKnown for one	4	Unknown — not stated by the source
TjunctionKnown for one	100 °C	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	2 GB	4 GB
Storage4 differ
Total storage capacityDiffers	320 GB	500 GB
HDD capacityDiffers	320 GB	500 GB
HDD speedDiffers	5400 RPM	7200 RPM
Optical drive typeDiffers	No	DVD-RW
Graphics2 differ
Discrete graphics card modelDiffers	Not available	NVIDIA® GeForce® 610M
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	1 GB
Discrete graphics memory typeKnown for one	Unknown — not stated by the source	GDDR3
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card base frequencyDiffers	400 MHz	850 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	1100 MHz
Audioidentical
RMS rated powerKnown for one	6 W	Unknown — not stated by the source
Cameraidentical
Total megapixelsKnown for one	1.3 MP	Unknown — not stated by the source
Networkidentical
Wi-FiKnown for one	Unknown — not stated by the source	Yes
Wi-Fi standardsKnown for one	Unknown — not stated by the source	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ports & interfaces1 differ
HDMI ports quantityDiffers	0	1
Total number of SATA connectorsKnown for one	2	Unknown — not stated by the source
Performance1 differ
Motherboard chipsetDiffers	Intel® NM10 Express	Intel® H61
Software1 differ
Operating system installedDiffers	Windows 7 Home Basic	FreeDOS
Processor special features12 differ
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Enhanced Intel SpeedStep TechnologyDiffers	No	Yes
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Intel Enhanced Halt StateDiffers	No	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel Fast Memory AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	Yes
Intel HD GraphicsKnown for one	Unknown — not stated by the source	Yes
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel Virtualization Technology (VT-x)Differs	No	Yes
Intel® Smart CacheDiffers	No	Yes
Processor ARK IDDiffers	59682	69116
Processor package sizeDiffers	22 mm	37.5 x 37.5 mm
Supported instruction setsDiffers	SSE2, SSE3, SSSE3	SSE4.1, SSE4.2
Thermal Monitoring TechnologiesDiffers	No	Yes
Intel ME Firmware VersionKnown for one	No	Unknown — not stated by the source
Intel® High Definition Audio (Intel® HD Audio)Known for one	Yes	Unknown — not stated by the source
Physical Address Extension (PAE)Known for one	Yes	Unknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
3DKnown 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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