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")
Touchscreen	No	No
LED backlightKnown for one	Unknown — not stated by the source	Yes
Screen shape	Flat	Flat
Processor16 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel Atom®	Intel® Pentium®
Processor modelDiffers	D2500	G645
Processor cores	2	2
Processor threads	2	2
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
64-bit computing	Yes	Yes
Thermal Design Power (TDP)Differs	10 W	65 W
Bus type	DMI	DMI
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	29
FSB Parity	No	No
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
Processor codeDiffers	SR0W0	SR0RS
Processor codenameDiffers	Cedarview	Sandy Bridge
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
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
Conflict-Free processor	No	No
Maximum internal memory supported by processorDiffers	4 GB	32 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
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
ECC supported by processor	No	No
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
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Storage4 differ
Total storage capacityDiffers	320 GB	500 GB
Storage media	HDD	HDD
Number of storage drives installed	1	1
Number of HDDs installed	1	1
HDD capacityDiffers	320 GB	500 GB
HDD speedDiffers	5400 RPM	7200 RPM
Optical drive typeDiffers	No	DVD-RW
Card reader integrated	Yes	Yes
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	Yes	Yes
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
Number of displays supported (on-board graphics)	2	2
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
Built-in speaker(s)	Yes	Yes
Built-in microphone	Yes	Yes
RMS rated powerKnown for one	6 W	Unknown — not stated by the source
Cameraidentical
Built-in camera	Yes	Yes
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)
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Ports & interfaces1 differ
Ethernet LAN (RJ-45) ports	1	1
USB 2.0 ports quantity	4	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity	0	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	0	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity	0	0
Thunderbolt 3 ports quantity	0	0
Thunderbolt ports quantity	0	0
HDMI ports quantityDiffers	0	1
VGA (D-Sub) ports quantity	0	0
Headphone outputs	1	1
Microphone in	Yes	Yes
DC-in jack	Yes	Yes
Total number of SATA connectorsKnown for one	2	Unknown — not stated by the source
Designidentical
Product colour	White	White
Performance1 differ
Product type	All-in-One PC	All-in-One PC
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
Embedded options available	No	No
Enhanced Intel SpeedStep TechnologyDiffers	No	Yes
Execute Disable Bit	Yes	Yes
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	Yes	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 Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
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® Anti-Theft Technology (Intel® AT)	No	No
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® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	No	No
Intel® Smart CacheDiffers	No	Yes
Intel® Turbo Boost Technology	No	No
Intel® Wireless Display (Intel® WiDi)	No	No
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
Mouse included	Yes	Yes
Keyboard included	Yes	Yes
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
3DKnown for one	Unknown — not stated by the source	No
Autonomy mode	No	No
Detachable display	No	No
TV tuner integrated	Yes	Yes

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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