Product comparison · 2 laptops

Lenovo T 400 vs Lenovo ThinkPad R 500

96specifications compared
25differ
71identical
16known for one product only

Key differences

Display diagonal
- T 400:35.8 cm (14.1")
- ThinkPad R 500:39.1 cm (15.4")
Display resolution
- T 400:1400 x 900 pixels
- ThinkPad R 500:1280 x 800 pixels
Native aspect ratio
- T 400:14:9
- ThinkPad R 500:16:10
Processor model
- T 400:P8600
- ThinkPad R 500:T6570
Processor frequency
- T 400:2.4 GHz
- ThinkPad R 500:2.1 GHz
Processor cache
- T 400:3 MB
- ThinkPad R 500:2 MB
Processor socket
- T 400:Socket 479
- ThinkPad R 500:Socket 478
Processor operating modes
- T 400:64-bit
- ThinkPad R 500:32-bit, 64-bit

Side by side

Differences highlightedShow differences only

Comparison of T 400, ThinkPad R 500
112 specifications	A Lenovo T 400 View product	B Lenovo ThinkPad R 500 View product
Display3 differ
Display diagonalDiffers	35.8 cm (14.1")	39.1 cm (15.4")
Display resolutionDiffers	1400 x 900 pixels	1280 x 800 pixels
HD typeKnown for one	HD+	Unknown — not stated by the source
Display number of colours	16.78 million colours	16.78 million colours
Native aspect ratioDiffers	14:9	16:10
Dual-screen	No	No
Processor7 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	P8600	T6570
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.4 GHz	2.1 GHz
Processor cacheDiffers	3 MB	2 MB
Processor cache type	L2	L2
Processor front side busKnown for one	1066 MHz	Unknown — not stated by the source
Processor socketDiffers	Socket 479	Socket 478
Processor lithography	45 nm	45 nm
Processor operating modesDiffers	64-bit	32-bit, 64-bit
Processor seriesKnown for one	Intel Core 2 Duo P8000 Series	Unknown — not stated by the source
Processor codename	Penryn	Penryn
Bus typeKnown for one	FSB	Unknown — not stated by the source
FSB Parity	No	No
SteppingKnown for one	R1	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	25 W	35 W
TjunctionDiffers	105 °C	100 °C
Number of Processing Die Transistors	410 M	410 M
Processing Die size	107 mm²	107 mm²
CPU multiplier (bus/core ratio)Known for one	9	Unknown — not stated by the source
ECC supported by processor	No	No
Memory1 differ
Internal memory	2 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedDiffers	1066 MHz	1333 MHz
Maximum internal memoryKnown for one	Unknown — not stated by the source	4 GB
Storageidentical
Total storage capacity	250 GB	250 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeKnown for one	DVD±RW	Unknown — not stated by the source
Card reader integrated	Yes	Yes
Graphicsidentical
Discrete graphics card	Yes	Yes
Discrete graphics card model	Intel® GMA 4500MHD	Intel® GMA 4500MHD
Audioidentical
Number of built-in speakers	2	2
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Cameraidentical
Front camera	No	No
Network1 differ
Networking type	Gigabit Ethernet	Gigabit Ethernet
Wireless technologyDiffers	802.11a/g/b	802.11 b/g
Bluetooth	Yes	Yes
Bluetooth version	2.0+EDR	2.0+EDR
Networking featuresKnown for one	Unknown — not stated by the source	1000Mbps, 100Mbps, 10Mbps
Ports & interfaces6 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 outputsDiffers	1	2
S/PDIF out portDiffers	No	Yes
Microphone in	Yes	Yes
Docking connector	No	No
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantityDiffers	1	0
CardBus PCMCIA slot typeDiffers	Type II	No
SmartCard slot	No	No
Modem (RJ-11) portsDiffers	0	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
Softwareidentical
Operating system installed	Windows Vista Business	Windows Vista Business
Processor special features3 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle StatesKnown for one	Yes	Unknown — not stated by the source
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 StateDiffers	Yes	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	Yes	No
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	35568	42841
Processor codeKnown for one	SLGDZ	Unknown — not stated by the source
Processor package sizeKnown for one	35 x 35 mm	Unknown — not stated by the source
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Battery1 differ
Number of battery cellsKnown for one	9	Unknown — not stated by the source
Battery life (max)Differs	5 h	3 h
Poweridentical
DC-in jack	Yes	Yes
Weight & dimensions2 differ
WeightDiffers	2.23 kg	2.9 kg
Dimensions (WxDxH)Differs	335.5 x 239 x 28.6 mm	358 x 260 x 38.5 mm
Other features1 differ
Infrared data port	No	No
Internal modemDiffers	No	Yes
Intel segment taggingKnown for one	Home office, Small Business	Unknown — not stated by the source
Supplied AC adapter type	AC	AC
Modem speedKnown for one	Unknown — not stated by the source	56 Kbit/s

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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