Product comparison · 2 laptops

Lenovo ThinkPad NT9KDMD+45N6694 laptop Intel® Core™ i7 i7-620M vs Lenovo T400 (6474-25G)

101specifications compared
47differ
54identical
40known for one product only

Key differences

Processor family
- ThinkPad NT9KDMD+45N6694 laptop Intel® Core™ i7 i7-620M:Intel® Core™ i7
- T400 (6474-25G):Intel® Core™2 Duo
Processor model
- ThinkPad NT9KDMD+45N6694 laptop Intel® Core™ i7 i7-620M:i7-620M
- T400 (6474-25G):P8600
Processor threads
- ThinkPad NT9KDMD+45N6694 laptop Intel® Core™ i7 i7-620M:4
- T400 (6474-25G):2
Processor frequency
- ThinkPad NT9KDMD+45N6694 laptop Intel® Core™ i7 i7-620M:2.66 GHz
- T400 (6474-25G):2.4 GHz
Processor cache
- ThinkPad NT9KDMD+45N6694 laptop Intel® Core™ i7 i7-620M:4 MB
- T400 (6474-25G):3 MB
Processor cache type
- ThinkPad NT9KDMD+45N6694 laptop Intel® Core™ i7 i7-620M:Smart Cache
- T400 (6474-25G):L2
Processor socket
- ThinkPad NT9KDMD+45N6694 laptop Intel® Core™ i7 i7-620M:BGA 1288
- T400 (6474-25G):Socket 479
Processor lithography
- ThinkPad NT9KDMD+45N6694 laptop Intel® Core™ i7 i7-620M:32 nm
- T400 (6474-25G):45 nm

Side by side

Differences highlightedShow differences only

Comparison of NT9KDMD+45N6694, T400 (6474-25G)
141 specifications	A Lenovo ThinkPad NT9KDMD+45N6694 laptop Intel® Core™ i7 i7-620M Model NT9KDMD+45N6694 View product	B Lenovo T400 (6474-25G)View product
Displayidentical
Display diagonal	35.8 cm (14.1")	35.8 cm (14.1")
LED backlight	Yes	Yes
Display resolutionKnown for one	Unknown — not stated by the source	1440 x 900 pixels
Native aspect ratioKnown for one	Unknown — not stated by the source	16:10
Display brightnessKnown for one	Unknown — not stated by the source	200 cd/m²
Processor16 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™2 Duo
Processor generationKnown for one	Intel® Core™ i7	Unknown — not stated by the source
Processor modelDiffers	i7-620M	P8600
Processor cores	2	2
Processor threadsDiffers	4	2
Processor boost frequencyKnown for one	3.33 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.66 GHz	2.4 GHz
System bus rateKnown for one	2.5 GT/s	Unknown — not stated by the source
Processor cacheDiffers	4 MB	3 MB
Processor cache typeDiffers	Smart Cache	L2
Processor front side bus	1066 MHz	1066 MHz
Processor socketDiffers	BGA 1288	Socket 479
Processor lithographyDiffers	32 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-600 Mobile Series	Intel Core 2 Duo P8000 Series
Processor codenameDiffers	Arrandale	Penryn
Bus typeDiffers	DMI	FSB
FSB Parity	No	No
SteppingDiffers	C2	R1
Thermal Design Power (TDP)Differs	35 W	25 W
Tjunction	105 °C	105 °C
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
Number of Processing Die TransistorsDiffers	382 M	410 M
Processing Die sizeDiffers	81 mm²	107 mm²
CPU multiplier (bus/core ratio)Differs	20	9
ECC supported by processor	No	No
Memory2 differ
Internal memoryDiffers	4 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Known for one	2 x 2 GB	Unknown — not stated by the source
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Maximum internal memoryDiffers	4 GB	8 GB
Memory clock speedKnown for one	Unknown — not stated by the source	1066 MHz
Storage3 differ
Total storage capacityDiffers	500 GB	160 GB
HDD interface	SATA	SATA
HDD speedDiffers	7200 RPM	5400 RPM
Optical drive typeDiffers	DVD Super Multi	DVD-RW
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	MMC	Unknown — not stated by the source
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
Graphicsidentical
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 modelKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	500 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	766 MHz	Unknown — not stated by the source
Discrete graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Intel® GMA 4500MHD
Graphics card familyKnown for one	Unknown — not stated by the source	Intel
Networkidentical
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet	Gigabit Ethernet
Ethernet LAN	Yes	Yes
Bluetooth	Yes	Yes
Bluetooth version	2.1+EDR	2.1+EDR
WWANKnown for one	Installed	Unknown — not stated by the source
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers	4	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
eSATA ports quantityDiffers	1	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	0	0
DisplayPorts quantityDiffers	1	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	1	1
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone inDiffers	No	Yes
Docking connectorDiffers	Yes	No
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Modem (RJ-11) portsDiffers	0	1
TV-out	No	No
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows Vista Business
Operating system architectureKnown for one	Unknown — not stated by the source	32-bit
Processor special features17 differ
Intel® Wireless Display (Intel® WiDi)	No	No
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Embedded options availableDiffers	Yes	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyDiffers	Yes	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	No
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)Differs	Yes	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	Yes	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	No	No
Intel® Turbo Boost TechnologyDiffers	1.0	No
Physical Address Extension (PAE)Known for one	36 bit	Unknown — not stated by the source
Processor ARK IDDiffers	43560	35568
Processor codeDiffers	SLBPE	SLGDZ
Processor package sizeDiffers	rPGA 37.5x 37.5, BGA 34x28	35 x 35 mm
Supported instruction setsKnown for one	SSE4.1/4.2	Unknown — not stated by the source
Thermal Monitoring TechnologiesDiffers	Yes	No
Conflict-Free processor	No	No
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	No	No
Fingerprint reader	Yes	Yes
Weight & dimensions2 differ
WidthDiffers	333.5 mm	335.3 mm
DepthDiffers	239 mm	238 mm
Height (front)	2.76 cm	2.76 cm
Height (rear)	3.19 cm	3.19 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Power supply typeKnown for one	AC - DC	Unknown — not stated by the source
Wake-on-LAN readyKnown for one	Yes	Unknown — not stated by the source
Supplied AC adapter typeKnown for one	AC	Unknown — not stated by the source
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Internal modemKnown for one	Unknown — not stated by the source	Yes
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Black
Cameraidentical
Front cameraKnown for one	Unknown — not stated by the source	No
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® GM45 Express
Keyboardidentical
Pointing deviceKnown for one	Unknown — not stated by the source	ThinkPad UltraNav
Batteryidentical
Number of battery cellsKnown for one	Unknown — not stated by the source	6
Battery life (max)Known for one	Unknown — not stated by the source	6.5 h

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.

More laptop comparisons

All laptop comparisons