Product comparison · 2 pcs/workstations

Lenovo IdeaCentre K450 Intel® Core™ i7 i7-4770 vs Lenovo Erazer X700 Intel® Core™ i7 X-series i7-3930K

107specifications compared
50differ
57identical
42known for one product only

Key differences

Processor family
- IdeaCentre K450 Intel® Core™ i7 i7-4770:Intel® Core™ i7
- Erazer X700 Intel® Core™ i7 X-series i7-3930K:Intel® Core™ i7 X-series
Processor generation
- IdeaCentre K450 Intel® Core™ i7 i7-4770:4th gen Intel® Core™ i7
- Erazer X700 Intel® Core™ i7 X-series i7-3930K:3rd gen Intel® Core™ i7
Processor model
- IdeaCentre K450 Intel® Core™ i7 i7-4770:i7-4770
- Erazer X700 Intel® Core™ i7 X-series i7-3930K:i7-3930K
Processor cores
- IdeaCentre K450 Intel® Core™ i7 i7-4770:4
- Erazer X700 Intel® Core™ i7 X-series i7-3930K:6
Processor threads
- IdeaCentre K450 Intel® Core™ i7 i7-4770:8
- Erazer X700 Intel® Core™ i7 X-series i7-3930K:12
Processor boost frequency
- IdeaCentre K450 Intel® Core™ i7 i7-4770:3.9 GHz
- Erazer X700 Intel® Core™ i7 X-series i7-3930K:3.8 GHz
Processor frequency
- IdeaCentre K450 Intel® Core™ i7 i7-4770:3.4 GHz
- Erazer X700 Intel® Core™ i7 X-series i7-3930K:3.2 GHz
Processor cache
- IdeaCentre K450 Intel® Core™ i7 i7-4770:8 MB
- Erazer X700 Intel® Core™ i7 X-series i7-3930K:12 MB

Side by side

Differences highlightedShow differences only

Comparison of K450, X700
149 specifications	A Lenovo IdeaCentre K450 Intel® Core™ i7 i7-4770 Model K450 View product	B Lenovo Erazer X700 Intel® Core™ i7 X-series i7-3930K Model X700 View product
Processor21 differ
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i7 X-series
Processor generationDiffers	4th gen Intel® Core™ i7	3rd gen Intel® Core™ i7
Processor modelDiffers	i7-4770	i7-3930K
Processor coresDiffers	4	6
Processor threadsDiffers	8	12
Processor boost frequencyDiffers	3.9 GHz	3.8 GHz
Processor frequencyDiffers	3.4 GHz	3.2 GHz
Processor cacheDiffers	8 MB	12 MB
Bus typeDiffers	DMI2	DMI
Processor lithographyDiffers	22 nm	32 nm
Processor seriesDiffers	Intel Core i7-4700 Desktop series	Intel Core i7-3900 Desktop Series
Processor codenameDiffers	Haswell	Sandy Bridge E
Thermal Design Power (TDP)Differs	84 W	130 W
TcaseDiffers	72.72 °C	66.8 °C
Maximum number of PCI Express lanesDiffers	16	40
PCI Express configurationsKnown for one	1x16, 2x8, 1x8+2x4	Unknown — not stated by the source
PCI Express slots versionDiffers	3.0	2.0
Number of QPI linksKnown for one	1	Unknown — not stated by the source
Processor socketDiffers	LGA 1150 (Socket H3)	LGA 2011 (Socket R)
SteppingDiffers	C0	C2
Maximum internal memory supported by processorDiffers	32 GB	64 GB
Memory clock speeds supported by processorDiffers	1333,1600 MHz	1066,1333,1600 MHz
Memory bandwidth supported by processor (max)Differs	25.6 GB/s	51.2 GB/s
Memory voltage supported by processorKnown for one	1.5 V	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	32
Memory2 differ
Internal memoryDiffers	12 GB	16 GB
Memory slotsKnown for one	4x DIMM	Unknown — not stated by the source
Memory channelsDiffers	Dual-channel	Quad-channel
Storage2 differ
Total storage capacityDiffers	2 TB	2.12 TB
Optical drive typeDiffers	DVD-RW	Blu-Ray DVD Combo
Compatible memory cardsKnown for one	CF, CF+, Memory Stick (MS), MicroDrive, MMC, MS PRO, SD, SDHC, SDXC	Unknown — not stated by the source
Storage mediaKnown for one	Unknown — not stated by the source	HDD,SSD
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	2 TB
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
Graphics2 differ
On-board graphics cardDiffers	Yes	No
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card modelDiffers	Intel® HD Graphics 4600	Not available
Maximum on-board graphics card memoryKnown for one	2 GB	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	350 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	1200 MHz	Unknown — not stated by the source
On-board graphics card DirectX versionKnown for one	11.2/12	Unknown — not stated by the source
On-board graphics card IDKnown for one	0x412	Unknown — not stated by the source
On-board graphics card OpenGL versionKnown for one	4.3	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Unknown — not stated by the source	AMD Radeon HD 8950
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	3 GB
Discrete graphics memory typeKnown for one	Unknown — not stated by the source	GDDR5
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	2	7
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	3
DVI portDiffers	No	Yes
S/PDIF out portKnown for one	Yes	Unknown — not stated by the source
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Line-inKnown for one	Unknown — not stated by the source	Yes
Design3 differ
Chassis typeDiffers	Desktop	Tower
Placement supportedKnown for one	Vertical	Unknown — not stated by the source
Liquid cooling systemDiffers	No	Yes
Product colourDiffers	Black	Black, Silver
Number of 5.25" baysKnown for one	Unknown — not stated by the source	2
Processor special features13 differ
Graphics & IMC lithographyKnown for one	22 nm	Unknown — not stated by the source
Intel FDI TechnologyDiffers	Yes	No
Intel Secure Key Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Small Business Advantage (SBA) versionKnown for one	1.00	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP)Known for one	Yes	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP) versionKnown for one	1.00	Unknown — not stated by the source
Intel TSX-NIKnown for one	No	Unknown — not stated by the source
Intel TSX-NI versionKnown for one	0.00	Unknown — not stated by the source
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® InTru™ 3D TechnologyDiffers	Yes	No
Intel® Insider™Differs	Yes	No
Intel® OS GuardKnown for one	Yes	Unknown — not stated by the source
Intel® Secure KeyKnown for one	Yes	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Wireless Display (Intel® WiDi)Differs	Yes	No
Processor ARK IDDiffers	75122	63697
Processor codeKnown for one	SR149	Unknown — not stated by the source
Processor package sizeDiffers	37.5 x 37.5 mm	52.5 x 45.0 mm
ScalabilityKnown for one	1S	Unknown — not stated by the source
Supported instruction setsDiffers	AVX 2.0, SSE4.1, SSE4.2	AVX, SSE4.1, SSE4.2
Thermal solution specificationKnown for one	PCG 2013D	Unknown — not stated by the source
Intel® Quick Sync Video TechnologyDiffers	Yes	No
Intel® My WiFi Technology (Intel® MWT)Differs	Yes	No
Intel® Anti-Theft Technology (Intel® AT)Differs	Yes	No
Conflict-Free processorDiffers	Yes	No
Intel Smart Response Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
WidthDiffers	180.8 mm	270 mm
DepthDiffers	456.4 mm	610 mm
HeightDiffers	400 mm	530 mm
WeightDiffers	12.7 kg	28 kg

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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