Product comparison · 2 pcs/workstations

Acer G3 620 vs Lenovo IdeaCentre K450 Intel® Core™ i7 i7-4770

110specifications compared
47differ
63identical
46known for one product only

Key differences

Processor family
- G3 620:Intel® Core™ i5
- IdeaCentre K450 Intel® Core™ i7 i7-4770:Intel® Core™ i7
Processor generation
- G3 620:3rd gen Intel® Core™ i5
- IdeaCentre K450 Intel® Core™ i7 i7-4770:4th gen Intel® Core™ i7
Processor model
- G3 620:i5-3350P
- IdeaCentre K450 Intel® Core™ i7 i7-4770:i7-4770
Processor threads
- G3 620:4
- IdeaCentre K450 Intel® Core™ i7 i7-4770:8
Processor boost frequency
- G3 620:3.3 GHz
- IdeaCentre K450 Intel® Core™ i7 i7-4770:3.9 GHz
Processor frequency
- G3 620:3.1 GHz
- IdeaCentre K450 Intel® Core™ i7 i7-4770:3.4 GHz
Processor cache
- G3 620:6 MB
- IdeaCentre K450 Intel® Core™ i7 i7-4770:8 MB
Bus type
- G3 620:DMI
- IdeaCentre K450 Intel® Core™ i7 i7-4770:DMI2

Side by side

Differences highlightedShow differences only

Comparison of G3 620, K450
156 specifications	A Acer G3 620 View product	B Lenovo IdeaCentre K450 Intel® Core™ i7 i7-4770 Model K450 View product
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i7
Processor generationDiffers	3rd gen Intel® Core™ i5	4th gen Intel® Core™ i7
Processor modelDiffers	i5-3350P	i7-4770
Processor cores	4	4
Processor threadsDiffers	4	8
Processor boost frequencyDiffers	3.3 GHz	3.9 GHz
Processor frequencyDiffers	3.1 GHz	3.4 GHz
Processor cacheDiffers	6 MB	8 MB
Processor cache type	Smart Cache	Smart Cache
Bus typeDiffers	DMI	DMI2
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 seriesKnown for one	Unknown — not stated by the source	Intel Core i7-4700 Desktop series
Processor codenameDiffers	Ivy Bridge	Haswell
Thermal Design Power (TDP)Differs	69 W	84 W
TcaseDiffers	67.4 °C	72.72 °C
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
PCI Express configurationsDiffers	1x16, 2x8	1x16, 2x8, 1x8+2x4
PCI Express slots version	3.0	3.0
Number of QPI linksKnown for one	Unknown — not stated by the source	1
Number of processors installed	1	1
Processor socketDiffers	LGA 1155 (Socket H2)	LGA 1150 (Socket H3)
SteppingKnown for one	Unknown — not stated by the source	C0
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 processorDiffers	Yes	No
Memory voltage supported by processorKnown for one	Unknown — not stated by the source	1.5 V
CPU multiplier (bus/core ratio)Known for one	31	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	8 GB	12 GB
Maximum internal memoryDiffers	16 GB	32 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory slots	4x DIMM	4x DIMM
Memory clock speedDiffers	1333 MHz	1600 MHz
Memory channels	Dual-channel	Dual-channel
Storage3 differ
Total storage capacityDiffers	1 TB	2 TB
Optical drive typeDiffers	DVD±RW	DVD-RW
HDD speed	7200 RPM	7200 RPM
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	CF, CF+, MMC, MS Duo, MS PRO, MS PRO Duo, Memory Stick (MS), SD, xD	CF, CF+, Memory Stick (MS), MicroDrive, MMC, MS PRO, SD, SDHC, SDXC
Storage mediaKnown for one	HDD	Unknown — not stated by the source
Number of storage drives installedKnown for one	1	Unknown — not stated by the source
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
Graphics3 differ
On-board graphics card	Yes	Yes
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 2500	Intel® HD Graphics 4600
Maximum on-board graphics card memoryKnown for one	Unknown — not stated by the source	2 GB
Number of displays supported (on-board graphics)	3	3
On-board graphics card base frequencyDiffers	650 MHz	350 MHz
On-board graphics card dynamic frequency (max)Differs	1150 MHz	1200 MHz
On-board graphics card DirectX versionKnown for one	Unknown — not stated by the source	11.2/12
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x412
On-board graphics card OpenGL versionKnown for one	Unknown — not stated by the source	4.3
Discrete graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	NVIDIA® GeForce® GT 645	Unknown — not stated by the source
Discrete graphics card memoryKnown for one	1.5 GB	Unknown — not stated by the source
Discrete graphics memory typeKnown for one	GDDR5	Unknown — not stated by the source
Number of discrete graphics cardsKnown for one	1	Unknown — not stated by the source
Performanceidentical
Product type	PC	PC
Audio output channelsKnown for one	Unknown — not stated by the source	7.1 channels
Market positioningKnown for one	Gaming	Unknown — not stated by the source
Motherboard chipsetKnown for one	Intel® B75 Express	Unknown — not stated by the source
Optical driveidentical
Optical drives quantity	1	1
Network1 differ
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-FiDiffers	No	Yes
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 4 (802.11n)
Wi-Fi standardsKnown for one	Unknown — not stated by the source	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	8	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	4
HDMI ports quantity	1	1
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Line-outKnown for one	Unknown — not stated by the source	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantityDiffers	1	0
DVI port	No	No
PS/2 ports quantityKnown for one	Unknown — not stated by the source	0
S/PDIF out portKnown for one	Unknown — not stated by the source	Yes
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one	0	Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	0	Unknown — not stated by the source
Thunderbolt 3 ports quantityKnown for one	0	Unknown — not stated by the source
Design2 differ
Chassis typeDiffers	Tower	Desktop
Placement supported	Vertical	Vertical
Liquid cooling systemKnown for one	Unknown — not stated by the source	No
Product colourDiffers	Black, Red	Black
Softwareidentical
Operating system installed	Windows 8	Windows 8
Operating system architecture	64-bit	64-bit
Displayidentical
Display included	No	No
Processor special features12 differ
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	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 TechnologyDiffers	No	Yes
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
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 Small Business Advantage (SBA) versionKnown for one	Unknown — not stated by the source	1.00
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-NI	No	No
Intel TSX-NI version	0.00	0.00
Intel Trusted Execution TechnologyDiffers	No	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)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® OS GuardKnown for one	Unknown — not stated by the source	Yes
Intel® Secure Key	Yes	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Wireless Display (Intel® WiDi)Differs	No	Yes
Processor ARK IDDiffers	69114	75122
Processor codeKnown for one	Unknown — not stated by the source	SR149
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
ScalabilityKnown for one	Unknown — not stated by the source	1S
Supported instruction setsDiffers	AVX, SSE4.1, SSE4.2	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Thermal solution specificationKnown for one	Unknown — not stated by the source	PCG 2013D
Intel® Turbo Boost Technology	2.0	2.0
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Quick Sync Video TechnologyDiffers	No	Yes
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)	Yes	Yes
Conflict-Free processor	Yes	Yes
Weight & dimensions4 differ
WidthDiffers	180 mm	180.8 mm
DepthDiffers	437 mm	456.4 mm
HeightDiffers	418 mm	400 mm
WeightDiffers	13 kg	12.7 kg
Packaging content2 differ
Mouse includedDiffers	Yes	No
Keyboard includedDiffers	Yes	No
Cables includedKnown for one	AC	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Poweridentical
Power supplyKnown for one	500 W	Unknown — not stated by the source
Power supply input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
Power supply input frequencyKnown for one	50 - 60 Hz	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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