Product comparison · 2 laptops

Lenovo ThinkPad R400 - NN923SP vs Lenovo ThinkPad R500 - NP28USP

112specifications compared
12differ
100identical
3known for one product only

Key differences

The Lenovo ThinkPad R400 - NN923SP has 1 x SO-DIMM more memory slots than the Lenovo ThinkPad R500 - NP28USP (2x SO-DIMM vs 1x SO-DIMM). The Lenovo ThinkPad R500 - NP28USP has 1 h more battery life (max) than the Lenovo ThinkPad R400 - NN923SP (4.5 h vs 3.5 h). The Lenovo ThinkPad R400 - NN923SP has 25 W more AC adapter power than the Lenovo ThinkPad R500 - NP28USP (90 W vs 65 W). Only the Lenovo ThinkPad R500 - NP28USP has Bluetooth. Only the Lenovo ThinkPad R500 - NP28USP has ExpressCard slot.

Display diagonal
- ThinkPad R400 - NN923SP:35.8 cm (14.1")
- ThinkPad R500 - NP28USP:39.1 cm (15.4")
Memory slots
- ThinkPad R400 - NN923SP:2x SO-DIMM
- ThinkPad R500 - NP28USP:1x SO-DIMM
Audio system
- ThinkPad R400 - NN923SP:High Definition Audio
- ThinkPad R500 - NP28USP:Azalia
Bluetooth
- ThinkPad R400 - NN923SP:No
- ThinkPad R500 - NP28USP:Yes
ExpressCard slot
- ThinkPad R400 - NN923SP:No
- ThinkPad R500 - NP28USP:Yes
Battery life (max)
- ThinkPad R400 - NN923SP:3.5 h
- ThinkPad R500 - NP28USP:4.5 h
AC adapter power
- ThinkPad R400 - NN923SP:90 W
- ThinkPad R500 - NP28USP:65 W
Weight
- ThinkPad R400 - NN923SP:2.4 kg
- ThinkPad R500 - NP28USP:2.94 kg

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R400 - NN923SP, ThinkPad R500 - NP28USP
115 specifications	A Lenovo ThinkPad R400 - NN923SP View product	B Lenovo ThinkPad R500 - NP28USP View product
Display1 differ
Display diagonalDiffers	35.8 cm (14.1")	39.1 cm (15.4")
Display resolution	1280 x 800 pixels	1280 x 800 pixels
Display number of coloursKnown for one	16.78 million colours	Unknown — not stated by the source
Native aspect ratio	16:10	16:10
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor model	T6570	T6570
Processor cores	2	2
Processor threads	2	2
Processor frequency	2.1 GHz	2.1 GHz
Processor cache	2 MB	2 MB
Processor cache type	L2	L2
Processor socket	Socket 478	Socket 478
Processor lithography	45 nm	45 nm
Processor operating modes	32-bit, 64-bit	32-bit, 64-bit
Processor codename	Penryn	Penryn
FSB Parity	No	No
Thermal Design Power (TDP)	35 W	35 W
Tjunction	100 °C	100 °C
Number of Processing Die Transistors	410 M	410 M
Processing Die size	107 mm²	107 mm²
ECC supported by processor	No	No
Memory1 differ
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 slotsDiffers	2x SO-DIMM	1x SO-DIMM
Maximum internal memory	4 GB	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-ROM	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
Audio1 differ
Audio systemDiffers	High Definition Audio	Azalia
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
Network1 differ
Networking features	Gigabit Ethernet, WLAN	Gigabit Ethernet, WLAN
Wireless technology	802.11 a/g/n	802.11 a/g/n
BluetoothDiffers	No	Yes
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 slotDiffers	No	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	Yes	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
Performanceidentical
Motherboard chipset	Intel® GM45 Express	Intel® GM45 Express
Keyboardidentical
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Softwareidentical
Operating system installed	Windows Vista Business	Windows Vista Business
Compatible operating systems	Windows Vista Business / XP Professional	Windows Vista Business / XP Professional
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
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 Technology	No	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 ID	42841	42841
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Battery1 differ
Number of battery cells	6	6
Battery life (max)Differs	3.5 h	4.5 h
Power1 differ
AC adapter powerDiffers	90 W	65 W
AC adapter input voltage	100 - 240 V	100 - 240 V
DC-in jack	Yes	Yes
Securityidentical
Fingerprint reader	Yes	Yes
Password protection type	BIOS	BIOS
HDD user password	Yes	Yes
Weight & dimensions4 differ
WeightDiffers	2.4 kg	2.94 kg
WidthDiffers	335.5 mm	358.6 mm
DepthDiffers	238 mm	260 mm
HeightDiffers	35 mm	38.5 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Other features1 differ
Infrared data port	No	No
Compliance industry standards	IEEE 802.11a, IEEE 802.11g, IEEE 802.11n	IEEE 802.11a, IEEE 802.11g, IEEE 802.11n
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
Modem typeDiffers	V.92	V.90 & K56 w Ethernet
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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