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

Acer 2621G Intel® Core™ i3 i3-2120 vs Acer 620 Intel® Pentium® G840

101specifications compared
33differ
68identical
35known for one product only

Key differences

Display diagonal
- 2621G Intel® Core™ i3 i3-2120:51 cm (20.1")
- 620 Intel® Pentium® G840:54.6 cm (21.5")
Display resolution
- 2621G Intel® Core™ i3 i3-2120:1600 x 900 pixels
- 620 Intel® Pentium® G840:1920 x 1080 pixels
Touchscreen
- 2621G Intel® Core™ i3 i3-2120:Yes
- 620 Intel® Pentium® G840:No
HD type
- 2621G Intel® Core™ i3 i3-2120:HD+
- 620 Intel® Pentium® G840:Full HD
Processor family
- 2621G Intel® Core™ i3 i3-2120:Intel® Core™ i3
- 620 Intel® Pentium® G840:Intel® Pentium®
Processor model
- 2621G Intel® Core™ i3 i3-2120:i3-2120
- 620 Intel® Pentium® G840:G840
Processor threads
- 2621G Intel® Core™ i3 i3-2120:4
- 620 Intel® Pentium® G840:2
Processor frequency
- 2621G Intel® Core™ i3 i3-2120:3.3 GHz
- 620 Intel® Pentium® G840:2.8 GHz

Side by side

Differences highlightedShow differences only

Comparison of 2621G, 620
136 specifications	A Acer 2621G Intel® Core™ i3 i3-2120 Model 2621G View product	B Acer 620 Intel® Pentium® G840 Model 620 View product
Display4 differ
Display diagonalDiffers	51 cm (20.1")	54.6 cm (21.5")
Display resolutionDiffers	1600 x 900 pixels	1920 x 1080 pixels
TouchscreenDiffers	Yes	No
HD typeDiffers	HD+	Full HD
LED backlightKnown for one	Yes	Unknown — not stated by the source
Native aspect ratio	16:9	16:9
Processor6 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Pentium®
Processor generationKnown for one	2nd gen Intel® Core™ i3	Unknown — not stated by the source
Processor modelDiffers	i3-2120	G840
Processor cores	2	2
Processor threadsDiffers	4	2
Processor frequencyDiffers	3.3 GHz	2.8 GHz
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	LGA 1155 (Socket H2)	LGA 1155 (Socket H2)
System bus rate	5 GT/s	5 GT/s
Thermal Design Power (TDP)	65 W	65 W
Bus type	DMI	DMI
CPU multiplier (bus/core ratio)Differs	33	28
FSB ParityKnown for one	No	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express slots version	2.0	2.0
Processor codename	Sandy Bridge	Sandy Bridge
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesKnown for one	Intel Core i3-2100 Desktop Series	Unknown — not stated by the source
Tcase	69.1 °C	69.1 °C
Conflict-Free processorKnown for one	No	Unknown — not stated by the source
Maximum internal memory supported by processor	32 GB	32 GB
Memory types supported by processorDiffers	DDR3 1066/1333	DDR3-SDRAM
Memory bandwidth supported by processor (max)	21 GB/s	21 GB/s
Memory channels supported by processor	Dual	Dual
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Processor codeKnown for one	Unknown — not stated by the source	SR05P
SteppingKnown for one	Unknown — not stated by the source	Q0
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	1066,1333 MHz
Memory1 differ
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Maximum internal memory	8 GB	8 GB
Memory clock speedDiffers	1333 MHz	1066 MHz
Memory layout (slots x size)Known for one	1 x 4 GB	Unknown — not stated by the source
Storage5 differ
Total storage capacityDiffers	500 GB	1 TB
Number of HDDs installed	1	1
HDD capacityDiffers	500 GB	1 TB
HDD speedDiffers	7200 RPM	5400 RPM
HDD interfaceDiffers	SATA	SATA II
Optical drive type	DVD-RW	DVD-RW
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MS PRO, SD	Memory Stick (MS), MMC, MS PRO Duo, SD, SDHC, xD
Graphics1 differ
On-board graphics cardKnown for one	Yes	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 modelDiffers	Intel® HD Graphics 2000	Intel® HD Graphics
Number of displays supported (on-board graphics)	2	2
On-board graphics card base frequency	850 MHz	850 MHz
On-board graphics card dynamic frequency (max)	1100 MHz	1100 MHz
On-board graphics card IDKnown for one	0x102	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Unknown — not stated by the source	NVIDIA® GeForce® GT 520
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	1 GB
Networkidentical
Wi-Fi	Yes	Yes
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)	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
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 4 (802.11n)
Ports & interfaces2 differ
Ethernet LAN (RJ-45) ports	1	1
USB 2.0 ports quantityDiffers	6	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	0	2
HDMI ports quantity	0	0
DVI port	No	No
Headphone outputs	1	1
Microphone in	Yes	Yes
Firewire (IEEE 1394) ports	0	0
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	0
PS/2 ports quantityKnown for one	Unknown — not stated by the source	0
Serial ports quantityKnown for one	Unknown — not stated by the source	0
Designidentical
Product colour	Black	Black
Performanceidentical
Motherboard chipset	Intel® H61	Intel® H61
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows 7 Home Premium
Operating system architecture	64-bit	64-bit
Processor special features8 differ
CPU configuration (max)	1	1
Embedded options availableDiffers	Yes	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable Technology	Yes	Yes
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 versionKnown for one	1.00	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Trusted Execution Technology	No	No
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)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Anti-Theft Technology (Intel® AT)Known for one	No	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyDiffers	Yes	No
Intel® Insider™Differs	Yes	No
Intel® My WiFi Technology (Intel® MWT)Known for one	No	Unknown — not stated by the source
Intel® Quick Sync Video TechnologyDiffers	Yes	No
Intel® Turbo Boost Technology	No	No
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	53426	53490
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction setsDiffers	AVX	SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Weight & dimensions3 differ
Width (with stand)Differs	500 mm	525 mm
Depth (with stand)Differs	62 mm	65 mm
Height (with stand)Differs	345 mm	378 mm
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Packaging contentidentical
Mouse included	Yes	Yes
Keyboard included	Yes	Yes
Other features2 differ
Graphics card familyDiffers	Intel	NVIDIA
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Chassis type	All-in-One	All-in-One
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
DisplayKnown for one	TFT LCD	Unknown — not stated by the source
Display included	Yes	Yes
Mac compatibility	No	No
Networking features	Gigabit Ethernet, WLAN	Gigabit Ethernet, WLAN
Number of processors installed	1	1
Platform	PC	PC
Power supplyDiffers	135 W	150 W
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Parallel ports quantityKnown for one	Unknown — not stated by the source	0
SpeakersKnown for one	Unknown — not stated by the source	monitor built-in
Audioidentical
Built-in microphoneKnown for one	Unknown — not stated by the source	Yes
Cameraidentical
Built-in cameraKnown for one	Unknown — not stated by the source	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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