Product comparison · 2 pcs/workstations

Acer Aspire M3985 Intel® Core™ i7 i7-3770 vs HP 620 + ZR2440w

90specifications compared
54differ
36identical
51known for one product only

Key differences

The HP 620 + ZR2440w has 2 more processor cores than the Acer Aspire M3985 Intel® Core™ i7 i7-3770 (6 vs 4). The HP 620 + ZR2440w has 4 more processor threads than the Acer Aspire M3985 Intel® Core™ i7 i7-3770 (12 vs 8). The Acer Aspire M3985 Intel® Core™ i7 i7-3770 has 1.4 GHz more processor boost frequency than the HP 620 + ZR2440w (3.9 GHz vs 2.5 GHz). Only the HP 620 + ZR2440w has ECC supported by processor. Only the HP 620 + ZR2440w has display included.

Processor family
- Aspire M3985 Intel® Core™ i7 i7-3770:Intel® Core™ i7
- 620 + ZR2440w:Intel® Xeon® E5 Family
Processor model
- Aspire M3985 Intel® Core™ i7 i7-3770:i7-3770
- 620 + ZR2440w:E5-2620
Processor cores
- Aspire M3985 Intel® Core™ i7 i7-3770:4
- 620 + ZR2440w:6
Processor threads
- Aspire M3985 Intel® Core™ i7 i7-3770:8
- 620 + ZR2440w:12
Processor boost frequency
- Aspire M3985 Intel® Core™ i7 i7-3770:3.9 GHz
- 620 + ZR2440w:2.5 GHz
Processor frequency
- Aspire M3985 Intel® Core™ i7 i7-3770:3.4 GHz
- 620 + ZR2440w:2 GHz
Processor cache
- Aspire M3985 Intel® Core™ i7 i7-3770:8 MB
- 620 + ZR2440w:15 MB
Bus type
- Aspire M3985 Intel® Core™ i7 i7-3770:DMI
- 620 + ZR2440w:QPI

Side by side

Differences highlightedShow differences only

Comparison of M3985, 620 + ZR2440w
141 specifications	A Acer Aspire M3985 Intel® Core™ i7 i7-3770 Model M3985 View product	B HP 620 + ZR2440w View product
Processor22 differ
Processor familyDiffers	Intel® Core™ i7	Intel® Xeon® E5 Family
Processor modelDiffers	i7-3770	E5-2620
Processor coresDiffers	4	6
Processor threadsDiffers	8	12
Processor boost frequencyDiffers	3.9 GHz	2.5 GHz
Processor frequencyDiffers	3.4 GHz	2 GHz
Processor cacheDiffers	8 MB	15 MB
Bus typeDiffers	DMI	QPI
System bus rateDiffers	5 GT/s	7.2 GT/s
Processor lithographyDiffers	22 nm	32 nm
Processor seriesDiffers	Intel Core i7-3700 Desktop series	Intel Xeon E5-2600
Processor codenameDiffers	Ivy Bridge	Sandy Bridge EP
Thermal Design Power (TDP)Differs	77 W	95 W
TcaseDiffers	67.4 °C	77.4 °C
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	40
PCI Express configurationsDiffers	1x8, 1x16, 2x4, 2x8	x4, x8, x16
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Processor socketDiffers	LGA 1155 (Socket H2)	LGA 2011 (Socket R)
CPU multiplier (bus/core ratio)Differs	34	25
SteppingDiffers	E1	C2
Maximum internal memory supported by processorDiffers	32 GB	750 GB
Memory clock speeds supported by processorDiffers	1333,1600 MHz	800,1066,1333 MHz
Memory bandwidth supported by processor (max)Differs	25.6 GB/s	42.6 GB/s
ECC supported by processorDiffers	No	Yes
Processor generationKnown for one	3rd gen Intel® Core™ i7	Unknown — not stated by the source
TjunctionKnown for one	105 °C	Unknown — not stated by the source
Memory4 differ
Internal memoryDiffers	8 GB	16 GB
Maximum internal memoryDiffers	16 GB	96 GB
Memory slotsKnown for one	Unknown — not stated by the source	12x DIMM
Memory clock speedDiffers	1333 MHz	1600 MHz
ECCKnown for one	Unknown — not stated by the source	Yes
Memory channelsDiffers	Dual-channel	Quad-channel
Storageidentical
Total HDDs capacityKnown for one	Unknown — not stated by the source	1 TB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Total storage capacityKnown for one	1 TB	Unknown — not stated by the source
Storage mediaKnown for one	HDD	Unknown — not stated by the source
Graphicsidentical
Graphics cardKnown for one	Unknown — not stated by the source	No
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	NVIDIA® GeForce® GT 620	Unknown — not stated by the source
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
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 4000	Unknown — not stated by the source
Number of displays supported (on-board graphics)Known for one	3	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	650 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	1150 MHz	Unknown — not stated by the source
On-board graphics card IDKnown for one	0x162	Unknown — not stated by the source
Performance2 differ
Product typeDiffers	PC	Workstation
Motherboard chipsetDiffers	Intel® B75 Express	Intel® C602
Networkidentical
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet (10/100/1000)
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Wi-FiKnown for one	No	Unknown — not stated by the source
Ports & interfaces1 differ
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	5
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	4
Ethernet LAN (RJ-45) portsDiffers	1	2
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	2
HDMI ports quantityKnown for one	1	Unknown — not stated by the source
Expansion slotsidentical
Number of 3.5" baysKnown for one	Unknown — not stated by the source	3
PCI Express x4 slotsKnown for one	Unknown — not stated by the source	1
PCI Express x16 slotsKnown for one	Unknown — not stated by the source	2
PCI slotsKnown for one	Unknown — not stated by the source	1
Power1 differ
Power supplyDiffers	300 W	800 W
Designidentical
Chassis typeKnown for one	Unknown — not stated by the source	Minitower
Number of 5.25" baysKnown for one	Unknown — not stated by the source	2
Country of originKnown for one	Unknown — not stated by the source	China
Placement supportedKnown for one	Vertical	Unknown — not stated by the source
Product colourKnown for one	Black	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 8	Windows 7 Professional
Display1 differ
Display includedDiffers	No	Yes
Display diagonalKnown for one	Unknown — not stated by the source	61 cm (24")
ResolutionKnown for one	Unknown — not stated by the source	1920 x 1200 pixels
Processor special features19 differ
CPU configuration (max)Differs	1	2
Graphics & IMC lithographyDiffers	22 nm	32 nm
Intel Demand Based SwitchingDiffers	No	Yes
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel Identity Protection Technology versionDiffers	1.00	0.00
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® InTru™ 3D TechnologyDiffers	Yes	No
Intel® Insider™Differs	Yes	No
Intel® Wireless Display (Intel® WiDi)Differs	Yes	No
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	46 bit
Processor ARK IDDiffers	65719	64594
Processor package sizeDiffers	37.5 x 37.5 mm	52.5 x 45.0 mm
ScalabilityKnown for one	Unknown — not stated by the source	2S
Supported instruction setsDiffers	AVX, SSE4.1, SSE4.2	AVX
Intel® Turbo Boost TechnologyDiffers	2.0	1.0
Intel® Quick Sync Video TechnologyDiffers	Yes	No
Intel® Identity Protection Technology (Intel® IPT)Differs	Yes	No
Intel® Anti-Theft Technology (Intel® AT)Differs	Yes	No
Conflict-Free processorDiffers	Yes	No
Intel TSX-NIKnown for one	No	Unknown — not stated by the source
Thermal solution specificationKnown for one	PCG 2011D	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	High Definition Audio
Weight & dimensions3 differ
WidthDiffers	180 mm	171.5 mm
DepthDiffers	402 mm	464.8 mm
HeightDiffers	379 mm	444.5 mm
WeightKnown for one	Unknown — not stated by the source	15.5 kg
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR
Optical driveidentical
Optical drives quantityKnown for one	1	Unknown — not stated by the source
Packaging contentidentical
Mouse includedKnown for one	Yes	Unknown — not stated by the source
Keyboard includedKnown 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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