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

Haier Q51-C309 All-in-One PC/workstation Intel® Pentium® G645 vs HP ENVY All-in-One - 27-p079na (Touch) (ENERGY STAR)

102specifications compared
59differ
43identical
66known for one product only

Key differences

Display diagonal
- Q51-C309 All-in-One PC/workstation Intel® Pentium® G645:50.8 cm (20")
- ENVY All-in-One - 27-p079na (Touch) (ENERGY STAR):68.6 cm (27")
Touchscreen
- Q51-C309 All-in-One PC/workstation Intel® Pentium® G645:No
- ENVY All-in-One - 27-p079na (Touch) (ENERGY STAR):Yes
Processor family
- Q51-C309 All-in-One PC/workstation Intel® Pentium® G645:Intel® Pentium®
- ENVY All-in-One - 27-p079na (Touch) (ENERGY STAR):Intel® Core™ i7
Processor model
- Q51-C309 All-in-One PC/workstation Intel® Pentium® G645:G645
- ENVY All-in-One - 27-p079na (Touch) (ENERGY STAR):i7-6700T
Processor cores
- Q51-C309 All-in-One PC/workstation Intel® Pentium® G645:2
- ENVY All-in-One - 27-p079na (Touch) (ENERGY STAR):4
Processor threads
- Q51-C309 All-in-One PC/workstation Intel® Pentium® G645:2
- ENVY All-in-One - 27-p079na (Touch) (ENERGY STAR):8
Processor frequency
- Q51-C309 All-in-One PC/workstation Intel® Pentium® G645:2.9 GHz
- ENVY All-in-One - 27-p079na (Touch) (ENERGY STAR):2.8 GHz
Processor cache
- Q51-C309 All-in-One PC/workstation Intel® Pentium® G645:3 MB
- ENVY All-in-One - 27-p079na (Touch) (ENERGY STAR):8 MB

Side by side

Differences highlightedShow differences only

Comparison of Q51-C309, 27-p079na
168 specifications	A Haier Q51-C309 All-in-One PC/workstation Intel® Pentium® G645 Model Q51-C309 View product	B HP ENVY All-in-One - 27-p079na (Touch) (ENERGY STAR) Model 27-p079na View product
Display2 differ
Display diagonalDiffers	50.8 cm (20")	68.6 cm (27")
Display resolutionKnown for one	Unknown — not stated by the source	2560 x 1440 pixels
TouchscreenDiffers	No	Yes
HD typeKnown for one	Unknown — not stated by the source	Quad HD
Touch technologyKnown for one	Unknown — not stated by the source	Multi-touch
Native aspect ratioKnown for one	Unknown — not stated by the source	16:9
Processor22 differ
Processor familyDiffers	Intel® Pentium®	Intel® Core™ i7
Processor generationKnown for one	Unknown — not stated by the source	6th gen Intel® Core™ i7
Processor modelDiffers	G645	i7-6700T
Processor coresDiffers	2	4
Processor threadsDiffers	2	8
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.6 GHz
Processor frequencyDiffers	2.9 GHz	2.8 GHz
Processor cacheDiffers	3 MB	8 MB
Processor socketDiffers	LGA 1155 (Socket H2)	LGA 1151 (Socket H4)
System bus rateDiffers	5 GT/s	8 GT/s
Thermal Design Power (TDP)Differs	65 W	35 W
Bus typeDiffers	DMI	DMI3
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x16, 2x8, 1x8+2x4
PCI Express slots versionDiffers	2.0	3.0
Processor codeDiffers	SR0RS	SR2BU
Processor codenameDiffers	Sandy Bridge	Skylake
Processor lithographyDiffers	32 nm	14 nm
Processor seriesDiffers	Intel Pentium G600 Series for Desktop	Intel Core i7-6700 Desktop series
SteppingDiffers	Q0	R0
TcaseDiffers	69.1 °C	66 °C
Conflict-Free processorDiffers	No	Yes
Maximum internal memory supported by processorDiffers	32 GB	64 GB
Memory types supported by processorDiffers	DDR3-SDRAM	DDR3L-SDRAM, DDR4-SDRAM
Memory clock speeds supported by processorDiffers	1066 MHz	2133,1333,1600,1866 MHz
Memory bandwidth supported by processor (max)Differs	17 GB/s	34.1 GB/s
Memory voltage supported by processorKnown for one	Unknown — not stated by the source	1.35 V
64-bit computingKnown for one	Yes	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	29	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
Memory2 differ
Internal memoryDiffers	4 GB	16 GB
Internal memory typeDiffers	DDR3-SDRAM	DDR3L-SDRAM
Maximum internal memoryKnown for one	Unknown — not stated by the source	16 GB
Memory slotsKnown for one	Unknown — not stated by the source	2
Memory slots typeKnown for one	Unknown — not stated by the source	SO-DIMM
Memory clock speedKnown for one	Unknown — not stated by the source	1600 MHz
Memory layout (slots x size)Known for one	Unknown — not stated by the source	2 x 8 GB
Storage6 differ
Total storage capacityDiffers	500 GB	2.12 TB
Storage mediaDiffers	HDD	HDD+SSD
Number of HDDs installedDiffers	1	2000
HDD capacityDiffers	500 GB	2 TB
HDD speedDiffers	7200 RPM	5400 RPM
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
Total SSDs capacityKnown for one	Unknown — not stated by the source	128 GB
Number of SSDs installedKnown for one	Unknown — not stated by the source	1
SSD capacityKnown for one	Unknown — not stated by the source	128 GB
SSD interfaceKnown for one	Unknown — not stated by the source	SATA
Optical drive typeDiffers	DVD-RW	No
Compatible memory cardsKnown for one	Unknown — not stated by the source	SD, SDHC, SDXC
Number of storage drives installedKnown for one	1	Unknown — not stated by the source
Graphics5 differ
Discrete graphics card modelDiffers	NVIDIA® GeForce® 610M	AMD Radeon R7 A365
Discrete graphics card memoryDiffers	1 GB	4 GB
On-board graphics card modelDiffers	Intel® HD Graphics	Intel® HD Graphics 530
Maximum on-board graphics card memoryKnown for one	Unknown — not stated by the source	1.74 GB
Number of displays supported (on-board graphics)Differs	2	3
On-board graphics card base frequencyDiffers	850 MHz	350 MHz
On-board graphics card DirectX versionKnown for one	Unknown — not stated by the source	12.0
On-board graphics card IDKnown for one	Unknown — not stated by the source	1912
On-board graphics card OpenGL versionKnown for one	Unknown — not stated by the source	4.4
Network1 differ
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n), 802.11a, Wi-Fi 5 (802.11ac)
BluetoothKnown for one	Unknown — not stated by the source	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	4.0
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	4	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	0	4
HDMI ports quantityDiffers	1	2
Headphone outputsDiffers	1	0
Microphone inDiffers	Yes	No
Combo headphone/mic portKnown for one	Unknown — not stated by the source	Yes
Design1 differ
Product colourDiffers	White	Pearl, White
Country of originKnown for one	Unknown — not stated by the source	China
Performanceidentical
Motherboard chipsetKnown for one	Intel® H61	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	FreeDOS	Windows 10 Home
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special features14 differ
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	14 nm
Intel Clear Video TechnologyDiffers	No	Yes
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Secure Key Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Small Business Advantage (SBA) versionKnown for one	Unknown — not stated by the source	1.00
Intel Software Guard Extensions (Intel SGX)Known for one	Unknown — not stated by the source	Yes
Intel Stable Image Platform Program (SIPP)Known for one	Unknown — not stated by the source	Yes
Intel Stable Image Platform Program (SIPP) versionKnown for one	Unknown — not stated by the source	1.00
Intel TSX-NIKnown for one	Unknown — not stated by the source	Yes
Intel TSX-NI versionKnown for one	Unknown — not stated by the source	1.00
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	No	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® OS GuardKnown for one	Unknown — not stated by the source	Yes
Intel® Quick Sync Video TechnologyDiffers	No	Yes
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Intel® Wireless Display (Intel® WiDi)Differs	No	Yes
Processor ARK IDDiffers	69116	88200
ScalabilityKnown for one	Unknown — not stated by the source	1S
Supported instruction setsDiffers	SSE4.1, SSE4.2	SSE4.2, AVX 2.0, SSE4.1
Thermal solution specificationKnown for one	Unknown — not stated by the source	PCG 2015A
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 FDI TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel HD GraphicsKnown for one	Yes	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown 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
Intel® My WiFi Technology (Intel® MWT)Known for one	No	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Weight & dimensionsidentical
Width (with stand)Known for one	Unknown — not stated by the source	758 mm
Depth (with stand)Known for one	Unknown — not stated by the source	186 mm
Height (with stand)Known for one	Unknown — not stated by the source	466 mm
Weight (with stand)Known for one	Unknown — not stated by the source	13 kg
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Silver, ENERGY STAR
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
TV tuner integratedKnown for one	Yes	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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