Product comparison · 2 laptops

Lenovo G40-70AT-IFI(U) Intel® Core™ i5 i5-4258U Laptop vs Lenovo Erazer Z50-70AP-ISE Intel® Core™ i7 i7-4510U Laptop

116specifications compared
28differ
88identical
24known for one product only

Key differences

Product colour
- G40-70AT-IFI(U) Intel® Core™ i5 i5-4258U Laptop:Black
- Erazer Z50-70AP-ISE Intel® Core™ i7 i7-4510U Laptop:White
Display diagonal
- G40-70AT-IFI(U) Intel® Core™ i5 i5-4258U Laptop:35.6 cm (14")
- Erazer Z50-70AP-ISE Intel® Core™ i7 i7-4510U Laptop:39.6 cm (15.6")
HD type
- G40-70AT-IFI(U) Intel® Core™ i5 i5-4258U Laptop:Not supported
- Erazer Z50-70AP-ISE Intel® Core™ i7 i7-4510U Laptop:Full HD
Processor family
- G40-70AT-IFI(U) Intel® Core™ i5 i5-4258U Laptop:Intel® Core™ i5
- Erazer Z50-70AP-ISE Intel® Core™ i7 i7-4510U Laptop:Intel® Core™ i7
Processor generation
- G40-70AT-IFI(U) Intel® Core™ i5 i5-4258U Laptop:4th gen Intel® Core™ i5
- Erazer Z50-70AP-ISE Intel® Core™ i7 i7-4510U Laptop:4th gen Intel® Core™ i7
Processor model
- G40-70AT-IFI(U) Intel® Core™ i5 i5-4258U Laptop:i5-4258U
- Erazer Z50-70AP-ISE Intel® Core™ i7 i7-4510U Laptop:i7-4510U
Processor boost frequency
- G40-70AT-IFI(U) Intel® Core™ i5 i5-4258U Laptop:2.9 GHz
- Erazer Z50-70AP-ISE Intel® Core™ i7 i7-4510U Laptop:3.1 GHz
Processor frequency
- G40-70AT-IFI(U) Intel® Core™ i5 i5-4258U Laptop:2.4 GHz
- Erazer Z50-70AP-ISE Intel® Core™ i7 i7-4510U Laptop:2 GHz

Side by side

Differences highlightedShow differences only

Comparison of G40-70AT-IFI(U), Z50-70AP-ISE
140 specifications	A Lenovo G40-70AT-IFI(U) Intel® Core™ i5 i5-4258U Laptop Model G40-70AT-IFI(U) View product	B Lenovo Erazer Z50-70AP-ISE Intel® Core™ i7 i7-4510U Laptop Model Z50-70AP-ISE View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Black	White
Form factor	Clamshell	Clamshell
Display2 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Touchscreen	No	No
HD typeDiffers	Not supported	Full HD
LED backlight	Yes	Yes
Display resolutionKnown for one	Unknown — not stated by the source	1920 x 1080 pixels
Native aspect ratioKnown for one	Unknown — not stated by the source	16:9
Processor10 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i7
Processor generationDiffers	4th gen Intel® Core™ i5	4th gen Intel® Core™ i7
Processor modelDiffers	i5-4258U	i7-4510U
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	2.9 GHz	3.1 GHz
Processor frequencyDiffers	2.4 GHz	2 GHz
Processor cacheDiffers	3 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	BGA 1168	BGA 1168
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-4200 Mobile series	Intel Core i7-4500 Mobile series
Processor codename	Haswell	Haswell
Bus type	DMI2	DMI2
FSB Parity	No	No
SteppingDiffers	C0	D0
Thermal Design Power (TDP)Differs	28 W	15 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	12	12
PCI Express configurationsDiffers	1x4, 2x4	4x1, 2x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Maximum internal memory (64-bit)Known for one	16 GB	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	500 GB	1 TB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacityDiffers	500 GB	1 TB
Optical drive typeKnown for one	DVD Super Multi	Unknown — not stated by the source
Card reader integrated	Yes	Yes
Graphics6 differ
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	AMD Radeon R5 M230	NVIDIA® GeForce® 840M
Discrete graphics card memoryDiffers	2 GB	4 GB
Discrete graphics memory typeKnown for one	GDDR3	Unknown — not stated by the source
On-board graphics card familyDiffers	Intel® Iris™ Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® Iris™ Graphics 5100	Intel® HD Graphics 4400
Maximum on-board graphics card memory	1.74 GB	1.74 GB
On-board graphics card base frequency	200 MHz	200 MHz
On-board graphics card dynamic frequency (max)	1100 MHz	1100 MHz
On-board graphics card DirectX versionDiffers	11.1	11.2/12
On-board graphics card IDDiffers	0xA2E	0xA16
On-board graphics card OpenGL versionKnown for one	Unknown — not stated by the source	4.3
Number of discrete graphics cards installedKnown for one	Unknown — not stated by the source	1
Audioidentical
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolution (numeric)Known for one	30 MP	Unknown — not stated by the source
Network1 differ
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 LANDiffers	Yes	No
Bluetooth	No	No
Ports & interfacesidentical
USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	1	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsKnown for one	1	Unknown — not stated by the source
HDMI ports quantity	1	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
S/PDIF out portKnown for one	No	Unknown — not stated by the source
Combo headphone/mic portKnown for one	Yes	Unknown — not stated by the source
Microphone inKnown for one	No	Unknown — not stated by the source
Docking connector	No	No
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Total number of SATA connectorsKnown for one	4	Unknown — not stated by the source
Number of SATA III connectors	4	4
DisplayPorts quantityKnown for one	Unknown — not stated by the source	0
Thunderbolt ports quantityKnown for one	Unknown — not stated by the source	0
Headphone outputsKnown for one	Unknown — not stated by the source	1
Keyboardidentical
Pointing deviceKnown for one	Touchpad	Unknown — not stated by the source
Numeric keypad	No	No
Windows keys	Yes	Yes
Softwareidentical
Operating system installed	Windows 8	Windows 8
Operating system language	Simplified Chinese	Simplified Chinese
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special features5 differ
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
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 Access	No	No
Intel Flex Memory Access	No	No
Intel Identity Protection Technology version	1.00	1.00
Intel ME Firmware Version	9.5	9.5
Intel Rapid Storage Technology	Yes	Yes
Intel Secure Key Technology version	1.00	1.00
Intel Smart Connect Technology	Yes	Yes
Intel Smart Connect Technology version	1.00	1.00
Intel TSX-NI	No	No
Intel TSX-NI version	0.00	0.00
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)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)	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® High Definition Audio (Intel® HD Audio)	Yes	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® Matrix Storage Technology (Intel® MST)Known for one	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Differs	Yes	No
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Intel® Virtualization Technology (Intel® VT)	VT-d, VT-x	VT-d, VT-x
Processor ARK IDDiffers	75990	81015
Processor codeDiffers	SR18A	SR1EB
Processor package size	40 x 24 x 1.5 mm	40 x 24 x 1.5 mm
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Poweridentical
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	Yes	No
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No

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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