Product comparison · 2 pcs/workstations

Acer Aspire 3985-079 Intel® Core™ i7 i7-3770 vs Acer 620 - HD7870

125specifications compared
14differ
111identical
29known for one product only

Key differences

Internal memory
- Aspire 3985-079 Intel® Core™ i7 i7-3770:12 GB
- 620 - HD7870:8 GB
Total storage capacity
- Aspire 3985-079 Intel® Core™ i7 i7-3770:2 TB
- 620 - HD7870:1 TB
Optical drive type
- Aspire 3985-079 Intel® Core™ i7 i7-3770:DVD±RW
- 620 - HD7870:DVD Super Multi
Storage media
- Aspire 3985-079 Intel® Core™ i7 i7-3770:HDD
- 620 - HD7870:HDD,SSD
HDD capacity
- Aspire 3985-079 Intel® Core™ i7 i7-3770:2 TB
- 620 - HD7870:1 TB
HDD interface
- Aspire 3985-079 Intel® Core™ i7 i7-3770:SATA III
- 620 - HD7870:SATA
Discrete graphics card model
- Aspire 3985-079 Intel® Core™ i7 i7-3770:NVIDIA® GeForce® GT 630
- 620 - HD7870:AMD Radeon HD 7870
USB 2.0 ports quantity
- Aspire 3985-079 Intel® Core™ i7 i7-3770:8
- 620 - HD7870:6

Side by side

Differences highlightedShow differences only

Comparison of 3985-079, 620 - HD7870
154 specifications	A Acer Aspire 3985-079 Intel® Core™ i7 i7-3770 Model 3985-079 View product	B Acer 620 - HD7870 View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i7	Intel® Core™ i7
Processor generation	3rd gen Intel® Core™ i7	3rd gen Intel® Core™ i7
Processor model	i7-3770	i7-3770
Processor cores	4	4
Processor threads	8	8
Processor boost frequency	3.9 GHz	3.9 GHz
Processor frequency	3.4 GHz	3.4 GHz
Processor cache	8 MB	8 MB
Processor cache type	Smart Cache	Smart Cache
Bus type	DMI	DMI
FSB Parity	No	No
System bus rate	5 GT/s	5 GT/s
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i7-3700 Desktop series	Intel Core i7-3700 Desktop series
Processor codename	Ivy Bridge	Ivy Bridge
Thermal Design Power (TDP)	77 W	77 W
Tcase	67.4 °C	67.4 °C
Tjunction	105 °C	105 °C
PCI Express configurations	1x8, 1x16, 2x4, 2x8	1x8, 1x16, 2x4, 2x8
PCI Express slots version	3.0	3.0
Number of processors installed	1	1
Processor socket	LGA 1155 (Socket H2)	LGA 1155 (Socket H2)
CPU multiplier (bus/core ratio)	34	34
Stepping	E1	E1
Maximum internal memory supported by processor	32 GB	32 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processor	1333,1600 MHz	1333,1600 MHz
Memory bandwidth supported by processor (max)	25.6 GB/s	25.6 GB/s
ECC supported by processor	No	No
Memory1 differ
Internal memoryDiffers	12 GB	8 GB
Maximum internal memory	16 GB	16 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Known for one	3 x 4 GB	Unknown — not stated by the source
Memory slots	4x DIMM	4x DIMM
Memory clock speedKnown for one	1600 MHz	Unknown — not stated by the source
Memory channels	Dual-channel	Dual-channel
Storage5 differ
Total storage capacityDiffers	2 TB	1 TB
Optical drive typeDiffers	DVD±RW	DVD Super Multi
Storage mediaDiffers	HDD	HDD,SSD
Number of HDDs installed	1	1
HDD capacityDiffers	2 TB	1 TB
HDD interfaceDiffers	SATA III	SATA
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	CF, CF+, Memory Stick (MS), miniSD, MMC, MS Duo, MS PRO, MS PRO Duo, SD, xD	Unknown — not stated by the source
Number of SSDs installedKnown for one	Unknown — not stated by the source	1
SSD capacityKnown for one	Unknown — not stated by the source	16 GB
Graphics1 differ
On-board graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 630	AMD Radeon HD 7870
Discrete graphics card memory	2 GB	2 GB
Number of discrete graphics cardsKnown for one	1	Unknown — not stated by the source
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 4000	Intel® HD Graphics 4000
Number of displays supported (on-board graphics)	3	3
On-board graphics card base frequency	650 MHz	650 MHz
On-board graphics card dynamic frequency (max)	1150 MHz	1150 MHz
On-board graphics card ID	0x162	0x162
Discrete graphics memory typeKnown for one	Unknown — not stated by the source	GDDR5
Performanceidentical
Product type	PC	PC
Motherboard chipset	Intel® B75 Express	Intel® B75 Express
Compatible processor seriesKnown for one	Intel® Core™ i3, Intel® Core™ i5, Intel® Core™ i7	Unknown — not stated by the source
Audio output channels	5.1 channels	5.1 channels
Optical driveidentical
Optical drives quantity	1	1
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Wi-Fi	No	No
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	8	6
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	4	4
Thunderbolt ports quantityKnown for one	0	Unknown — not stated by the source
DisplayPorts quantityDiffers	0	2
HDMI ports quantity	1	1
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Line-outKnown for one	Yes	Unknown — not stated by the source
Line-inKnown for one	Yes	Unknown — not stated by the source
Microphone in	Yes	Yes
VGA (D-Sub) ports quantityDiffers	1	0
Mini HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Mini DisplayPorts quantityKnown for one	0	Unknown — not stated by the source
PS/2 ports quantity	2	2
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
eSATA ports quantityKnown for one	0	Unknown — not stated by the source
S/PDIF out portKnown for one	No	Unknown — not stated by the source
DC-in jackKnown for one	No	Unknown — not stated by the source
SmartCard slotKnown for one	No	Unknown — not stated by the source
TV-outKnown for one	No	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
Modem (RJ-11) portsKnown for one	0	Unknown — not stated by the source
DVI portKnown for one	Unknown — not stated by the source	Yes
Expansion slotsidentical
PCI Express x1 slots	3	3
PCI Express x16 slots	1	1
Power1 differ
Power supplyDiffers	300 W	500 W
Designidentical
Chassis type	Tower	Tower
Number of 5.25" baysKnown for one	2	Unknown — not stated by the source
Product colour	Black	Black
Cooling typeKnown for one	Active	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 8	Windows 8
Operating system architecture	64-bit	64-bit
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Displayidentical
Display included	No	No
Processor special featuresidentical
CPU configuration (max)	1	1
Embedded options available	Yes	Yes
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithography	22 nm	22 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	No
Intel Secure Key Technology version	1.00	1.00
Intel TSX-NI	No	No
Intel TSX-NI version	0.00	0.00
Intel Trusted Execution Technology	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
Processor ARK ID	65719	65719
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction sets	AVX, SSE4.1, SSE4.2	AVX, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Thermal solution specification	PCG 2011D	PCG 2011D
Intel® Turbo Boost Technology	2.0	2.0
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)	Yes	Yes
Conflict-Free processor	Yes	Yes
Audio1 differ
Audio systemDiffers	HDA	High Definition Audio
Weight & dimensions2 differ
Width	180 mm	180 mm
DepthDiffers	401.8 mm	436.5 mm
HeightDiffers	379 mm	418 mm
Packaging contentidentical
Mouse included	Yes	Yes
Keyboard included	Yes	Yes
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR

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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