Product comparison · 2 laptops

Lenovo ThinkPad R500 - NP77JCD vs Lenovo ThinkPad T400 P8700

99specifications compared
15differ
84identical
28known for one product only

Key differences

Display diagonal
- ThinkPad R500 - NP77JCD:39.1 cm (15.4")
- ThinkPad T400 P8700:35.8 cm (14.1")
Display resolution
- ThinkPad R500 - NP77JCD:1680 x 1050 pixels
- ThinkPad T400 P8700:1440 x 900 pixels
Internal memory
- ThinkPad R500 - NP77JCD:2 GB
- ThinkPad T400 P8700:3 GB
Maximum internal memory
- ThinkPad R500 - NP77JCD:4 GB
- ThinkPad T400 P8700:8 GB
Total storage capacity
- ThinkPad R500 - NP77JCD:320 GB
- ThinkPad T400 P8700:250 GB
Discrete graphics card model
- ThinkPad R500 - NP77JCD:AMD Mobility Radeon HD 3470
- ThinkPad T400 P8700:Intel® GMA 4500MHD
Discrete graphics card memory
- ThinkPad R500 - NP77JCD:0.125 GB
- ThinkPad T400 P8700:0.25 GB
Ethernet LAN (RJ-45) ports
- ThinkPad R500 - NP77JCD:1
- ThinkPad T400 P8700:0

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R500 - NP77JCD, ThinkPad T400 P8700
127 specifications	A Lenovo ThinkPad R500 - NP77JCD View product	B Lenovo ThinkPad T400 P8700 View product
Display2 differ
Display diagonalDiffers	39.1 cm (15.4")	35.8 cm (14.1")
Display resolutionDiffers	1680 x 1050 pixels	1440 x 900 pixels
Native aspect ratio	16:10	16:10
Display surfaceKnown for one	Matt	Unknown — not stated by the source
LED backlightKnown for one	Unknown — not stated by the source	Yes
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor model	P8700	P8700
Processor cores	2	2
Processor threads	2	2
Processor frequency	2.53 GHz	2.53 GHz
Processor cache	3 MB	3 MB
Processor cache type	L2	L2
Processor front side bus	1066 MHz	1066 MHz
Processor socket	Socket 479	Socket 479
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core 2 Duo P8000 Series	Intel Core 2 Duo P8000 Series
Processor codename	Penryn	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
Stepping	R0	R0
Thermal Design Power (TDP)	25 W	25 W
Tjunction	105 °C	105 °C
Number of Processing Die Transistors	410 M	410 M
Processing Die size	107 mm²	107 mm²
CPU multiplier (bus/core ratio)	9.5	9.5
ECC supported by processor	No	No
Processor core voltage (AC)Known for one	Unknown — not stated by the source	1.00 - 1.250 V
Memory2 differ
Internal memoryDiffers	2 GB	3 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1066 MHz	1066 MHz
Maximum internal memoryDiffers	4 GB	8 GB
Storage1 differ
Total storage capacityDiffers	320 GB	250 GB
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	MMC, MS PRO, SD, xD	Unknown — not stated by the source
Graphics2 differ
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	AMD Mobility Radeon HD 3470	Intel® GMA 4500MHD
Discrete graphics card memoryDiffers	0.125 GB	0.25 GB
Audioidentical
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Cameraidentical
Front camera resolution (numeric)Known for one	0.3 MP	Unknown — not stated by the source
Swivel webcamKnown for one	No	Unknown — not stated by the source
Front cameraKnown for one	Unknown — not stated by the source	Yes
Networkidentical
Networking featuresKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Wireless technologyKnown for one	802.11 a/g/n	Unknown — not stated by the source
Bluetooth	Yes	Yes
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Bluetooth versionKnown for one	Unknown — not stated by the source	2.1+EDR
Ports & interfaces5 differ
USB 2.0 ports quantity	3	3
Ethernet LAN (RJ-45) portsDiffers	1	0
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 connectorDiffers	Yes	No
ExpressCard slotDiffers	No	Yes
CardBus PCMCIA slots quantityDiffers	2	0
CardBus PCMCIA slot type	Type II	Type II
SmartCard slot	No	No
Modem (RJ-11) portsDiffers	1	0
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
USB 1.1 ports quantityKnown for one	0	Unknown — not stated by the source
Keyboard1 differ
Keyboard layoutDiffers	QWERTY	AZERTY
Softwareidentical
Operating system installedKnown for one	Windows XP Professional	Unknown — not stated by the source
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)	No	No
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 Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	Yes	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 ID	37006	37006
Processor code	SLGFE	SLGFE
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Batteryidentical
Number of battery cellsKnown for one	6	Unknown — not stated by the source
Battery life (max)Known for one	5 h	Unknown — not stated by the source
Poweridentical
AC adapter input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
DC-in jack	Yes	Yes
Securityidentical
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions2 differ
WeightDiffers	2.94 kg	2.13 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)Differs	358.6 x 260 x 38.5 mm	335.3 x 238 x 27.6 mm
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Remote control includedKnown for one	Unknown — not stated by the source	No
Other featuresidentical
Infrared data port	No	No
Wake-on-LAN ready	Yes	Yes
Internal modem	Yes	Yes
Modem speedKnown for one	56 Kbit/s	Unknown — not stated by the source
Modem typeKnown for one	V.92	Unknown — not stated by the source
Supplied AC adapter type	AC	AC
Power requirementsKnown for one	Unknown — not stated by the source	100 - 240 V
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business

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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