Product comparison · 2 laptops

Lenovo ThinkPad R400 - NN923SP vs Lenovo ThinkPad X301 (2774LBG), FR

102specifications compared
25differ
77identical
23known for one product only

Key differences

Display diagonal
- ThinkPad R400 - NN923SP:35.8 cm (14.1")
- ThinkPad X301 (2774LBG), FR:33.8 cm (13.3")
Display resolution
- ThinkPad R400 - NN923SP:1280 x 800 pixels
- ThinkPad X301 (2774LBG), FR:1440 x 900 pixels
Processor model
- ThinkPad R400 - NN923SP:T6570
- ThinkPad X301 (2774LBG), FR:SU9400
Processor frequency
- ThinkPad R400 - NN923SP:2.1 GHz
- ThinkPad X301 (2774LBG), FR:1.4 GHz
Processor cache
- ThinkPad R400 - NN923SP:2 MB
- ThinkPad X301 (2774LBG), FR:3 MB
Processor socket
- ThinkPad R400 - NN923SP:Socket 478
- ThinkPad X301 (2774LBG), FR:BGA 956
Processor operating modes
- ThinkPad R400 - NN923SP:32-bit, 64-bit
- ThinkPad X301 (2774LBG), FR:64-bit
Thermal Design Power (TDP)
- ThinkPad R400 - NN923SP:35 W
- ThinkPad X301 (2774LBG), FR:10 W

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R400 - NN923SP, ThinkPad X301 (2774LBG), FR
125 specifications	A Lenovo ThinkPad R400 - NN923SP View product	B Lenovo ThinkPad X301 (2774LBG), FR View product
Display2 differ
Display diagonalDiffers	35.8 cm (14.1")	33.8 cm (13.3")
Display resolutionDiffers	1280 x 800 pixels	1440 x 900 pixels
Display number of coloursKnown for one	16.78 million colours	Unknown — not stated by the source
Native aspect ratio	16:10	16:10
Processor7 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	T6570	SU9400
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.1 GHz	1.4 GHz
Processor cacheDiffers	2 MB	3 MB
Processor cache type	L2	L2
Processor socketDiffers	Socket 478	BGA 956
Processor lithography	45 nm	45 nm
Processor operating modesDiffers	32-bit, 64-bit	64-bit
Processor codename	Penryn	Penryn
FSB Parity	No	No
Thermal Design Power (TDP)Differs	35 W	10 W
TjunctionDiffers	100 °C	105 °C
Number of Processing Die Transistors	410 M	410 M
Processing Die size	107 mm²	107 mm²
ECC supported by processor	No	No
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core 2 Duo SU9000 Series
Bus typeKnown for one	Unknown — not stated by the source	FSB
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	7
Memoryidentical
Internal memory	2 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1066 MHz	1066 MHz
Memory layout (slots x size)	1 x 2 GB	1 x 2 GB
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Maximum internal memory	4 GB	4 GB
Storage3 differ
Total storage capacityDiffers	250 GB	128 GB
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Optical drive typeDiffers	DVD-ROM	DVD-RW
Card reader integratedDiffers	Yes	No
Graphicsidentical
Discrete graphics card	Yes	Yes
Discrete graphics card model	Intel® GMA 4500MHD	Intel® GMA 4500MHD
Audio1 differ
Audio systemDiffers	High Definition Audio	Intel HDA 24-bit
Number of built-in speakers	2	2
Speaker power	2 W	2 W
Cameraidentical
Front cameraKnown for one	No	Unknown — not stated by the source
Network2 differ
Networking featuresDiffers	Gigabit Ethernet, WLAN	WLAN, Gigabit Ethernet
Wireless technologyDiffers	802.11 a/g/n	Intel WiFi 5300AGN
Bluetooth	No	No
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Ports & interfaces3 differ
USB 2.0 ports quantity	3	3
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) portsDiffers	1	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone inDiffers	Yes	No
Docking connector	Yes	Yes
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	Yes	No
Modem (RJ-11) ports	1	1
TV-in port	No	No
TV-out	No	No
PS/2 ports quantity	0	0
Parallel ports quantity	0	0
Serial ports quantity	0	0
Performanceidentical
Motherboard chipsetKnown for one	Intel® GM45 Express	Unknown — not stated by the source
Keyboardidentical
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Softwareidentical
Operating system installed	Windows Vista Business	Windows Vista Business
Compatible operating systemsKnown for one	Windows Vista Business / XP Professional	Unknown — not stated by the source
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Trial softwareKnown for one	Unknown — not stated by the source	Microsoft Office 2007
Processor special features2 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	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	No	No
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel VT-x with Extended Page Tables (EPT)	No	No
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)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	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 Technology	No	No
Processor ARK IDDiffers	42841	36697
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Processor package sizeKnown for one	Unknown — not stated by the source	22 x 22 mm
Battery1 differ
Number of battery cells	6	6
Battery life (max)Differs	3.5 h	6 h
Poweridentical
AC adapter powerKnown for one	90 W	Unknown — not stated by the source
AC adapter input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
DC-in jack	Yes	Yes
Securityidentical
Fingerprint reader	Yes	Yes
Password protection typeKnown for one	BIOS	Unknown — not stated by the source
HDD user passwordKnown for one	Yes	Unknown — not stated by the source
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	IBM
Weight & dimensions4 differ
WeightDiffers	2.4 kg	1.42 kg
WidthDiffers	335.5 mm	318 mm
DepthDiffers	238 mm	231 mm
HeightDiffers	35 mm	23.4 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Compliance industry standardsKnown for one	IEEE 802.11a, IEEE 802.11g, IEEE 802.11n	Unknown — not stated by the source
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
Modem typeKnown for one	V.92	Unknown — not stated by the source
Supplied AC adapter type	AC	AC

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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