Product comparison · 2 laptops

Lenovo ThinkPad R500 (27148UG) vs Lenovo ThinkPad T400 + 39T4590

96specifications compared
18differ
78identical
31known for one product only

Key differences

Display diagonal
- ThinkPad R500 (27148UG):39.1 cm (15.4")
- ThinkPad T400 + 39T4590:35.8 cm (14.1")
Processor model
- ThinkPad R500 (27148UG):T6570
- ThinkPad T400 + 39T4590:P8700
Processor frequency
- ThinkPad R500 (27148UG):2.1 GHz
- ThinkPad T400 + 39T4590:2.53 GHz
Processor cache
- ThinkPad R500 (27148UG):2 MB
- ThinkPad T400 + 39T4590:3 MB
Processor socket
- ThinkPad R500 (27148UG):Socket 478
- ThinkPad T400 + 39T4590:Socket 479
Processor operating modes
- ThinkPad R500 (27148UG):32-bit, 64-bit
- ThinkPad T400 + 39T4590:64-bit
Thermal Design Power (TDP)
- ThinkPad R500 (27148UG):35 W
- ThinkPad T400 + 39T4590:25 W
Tjunction
- ThinkPad R500 (27148UG):100 °C
- ThinkPad T400 + 39T4590:105 °C

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R500 (27148UG), ThinkPad T400 + 39T4590
127 specifications	A Lenovo ThinkPad R500 (27148UG)View product	B Lenovo ThinkPad T400 + 39T4590 View product
Display1 differ
Display diagonalDiffers	39.1 cm (15.4")	35.8 cm (14.1")
Display resolutionKnown for one	1280 x 800 pixels	Unknown — not stated by the source
Native aspect ratioKnown for one	16:10	Unknown — not stated by the source
Dual-screenKnown for one	Unknown — not stated by the source	No
Processor7 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	T6570	P8700
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.1 GHz	2.53 GHz
Processor cacheDiffers	2 MB	3 MB
Processor cache type	L2	L2
Processor socketDiffers	Socket 478	Socket 479
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	25 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	1066 MHz
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core 2 Duo P8000 Series
Bus typeKnown for one	Unknown — not stated by the source	FSB
SteppingKnown for one	Unknown — not stated by the source	R0
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	9.5
Memoryidentical
Internal memory	2 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	1066 MHz	Unknown — not stated by the source
Memory layout (slots x size)Known for one	1 x 2 GB	Unknown — not stated by the source
Maximum internal memoryKnown for one	4 GB	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	250 GB	320 GB
HDD interface	SATA	SATA
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Optical drive typeDiffers	DVD-RW	DVD-ROM
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, MS Pro, SD, SDHC, xD	MMC, MS Pro, SD, SDHC, xD
Graphicsidentical
Discrete graphics card	Yes	Yes
Discrete graphics card model	Intel® GMA 4500MHD	Intel® GMA 4500MHD
Audio1 differ
Audio systemDiffers	Conexant Azalia 24-bit	High Definition Audio
Network2 differ
Networking featuresDiffers	WLAN, Gigabit Ethernet	Gigabit Ethernet, WLAN
Wireless technologyDiffers	Intel 5100AGN	802.11 a/g/n
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	2.0+EDR	Unknown — not stated by the source
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Ports & interfaces1 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) ports	1	1
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connector	Yes	Yes
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	No	Yes
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
Keyboardidentical
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Keyboard layoutKnown for one	QWERTY	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows Vista Business	Windows Vista Business
Optional operating system suppliedKnown for one	Windows XP Professional	Unknown — not stated by the source
Drivers includedKnown for one	Yes	Unknown — not stated by the source
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
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	No	Yes
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	37006
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Processor codeKnown for one	Unknown — not stated by the source	SLGFE
Processor package sizeKnown for one	Unknown — not stated by the source	35 x 35 mm
Batteryidentical
Number of battery cells	6	6
Battery life (max)Known for one	4.5 h	Unknown — not stated by the source
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	IBM	IBM
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
HDD user password	Yes	Yes
Password protection typeKnown for one	Unknown — not stated by the source	BIOS
Weight & dimensions1 differ
WeightDiffers	2.94 kg	2.14 kg
WidthKnown for one	358.6 mm	Unknown — not stated by the source
DepthKnown for one	260 mm	Unknown — not stated by the source
HeightKnown for one	38.5 mm	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	335.5 x 238 x 32 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
Modem typeKnown for one	1	Unknown — not stated by the source
Supplied AC adapter type	AC	AC
Power requirementsKnown for one	Unknown — not stated by the source	100V – 240V AC, 50Hz/60Hz
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 35 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	30 - 80%

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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