Product comparison · 2 laptops

Lenovo ThinkPad R400 (744515G), CH vs Lenovo ThinkPad SL300 + case

89specifications compared
37differ
52identical
34known for one product only

Key differences

Display diagonal
- ThinkPad R400 (744515G), CH:35.8 cm (14.1")
- ThinkPad SL300 + case:33.8 cm (13.3")
Display resolution
- ThinkPad R400 (744515G), CH:1440 x 900 pixels
- ThinkPad SL300 + case:1280 x 800 pixels
Processor model
- ThinkPad R400 (744515G), CH:P8400
- ThinkPad SL300 + case:T5670
Processor frequency
- ThinkPad R400 (744515G), CH:2.26 GHz
- ThinkPad SL300 + case:1.8 GHz
Processor cache
- ThinkPad R400 (744515G), CH:3 MB
- ThinkPad SL300 + case:2 MB
Processor front side bus
- ThinkPad R400 (744515G), CH:1066 MHz
- ThinkPad SL300 + case:800 MHz
Processor socket
- ThinkPad R400 (744515G), CH:Socket 478
- ThinkPad SL300 + case:LGA 3647 (Socket P)
Processor lithography
- ThinkPad R400 (744515G), CH:45 nm
- ThinkPad SL300 + case:65 nm

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R400 (744515G), CH, ThinkPad SL300 + case
123 specifications	A Lenovo ThinkPad R400 (744515G), CH View product	B Lenovo ThinkPad SL300 + case View product
Display2 differ
Display diagonalDiffers	35.8 cm (14.1")	33.8 cm (13.3")
Display resolutionDiffers	1440 x 900 pixels	1280 x 800 pixels
Native aspect ratio	16:10	16:10
Processor12 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	P8400	T5670
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.26 GHz	1.8 GHz
Processor cacheDiffers	3 MB	2 MB
Processor cache type	L2	L2
Processor front side busDiffers	1066 MHz	800 MHz
Processor socketDiffers	Socket 478	LGA 3647 (Socket P)
Processor lithographyDiffers	45 nm	65 nm
Processor operating modes	64-bit	64-bit
Processor seriesKnown for one	Intel Core 2 Duo P8000 Series	Unknown — not stated by the source
Processor codenameDiffers	Penryn	Merom
Bus type	FSB	FSB
FSB ParityKnown for one	No	Unknown — not stated by the source
Stepping	M0	M0
Thermal Design Power (TDP)Differs	25 W	35 W
TjunctionDiffers	105 °C	100 °C
Number of Processing Die TransistorsDiffers	410 M	291 M
Processing Die sizeDiffers	107 mm²	143 mm²
CPU multiplier (bus/core ratio)Differs	8.5	9
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	1 GB	2 GB
Internal memory typeDiffers	DDR3-SDRAM	DDR2-SDRAM
Memory clock speedKnown for one	1066 MHz	Unknown — not stated by the source
Memory layout (slots x size)Differs	1 x 1 GB	2 x 1 GB
Maximum internal memory	4 GB	4 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Storage1 differ
Total storage capacity	160 GB	160 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Card reader integratedDiffers	No	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	MMC, MS Pro, SD, SDHC, xD
Graphicsidentical
Discrete graphics card	Yes	Yes
Discrete graphics card model	Intel® GMA 4500MHD	Intel® GMA 4500MHD
Audio2 differ
Audio systemDiffers	Intel HDA 24-bit	Conexant Azalia Audio Codec
Number of built-in speakers	2	2
Speaker powerDiffers	2 W	3 W
Cameraidentical
Front cameraKnown for one	No	Unknown — not stated by the source
Network3 differ
Networking featuresDiffers	WLAN, Gigabit Ethernet	Gigabit Ethernet
Wireless technologyDiffers	Intel 5100AGN	IEEE 802.11a/g/n
BluetoothDiffers	Yes	No
Bluetooth versionKnown for one	2.0+EDR	Unknown — not stated by the source
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Ports & interfaces3 differ
USB 2.0 ports quantity	3	3
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	0	1
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 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
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Trial softwareKnown for one	Microsoft Office 2007	Unknown — not stated by the source
Processor special features5 differ
Intel® Wireless Display (Intel® WiDi)Known for one	No	Unknown — not stated by the source
Embedded options availableKnown for one	Yes	Unknown — not stated by the source
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable BitDiffers	Yes	No
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based Switching	No	No
Intel Dual Display Capable TechnologyKnown for one	No	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	No	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)Known for one	No	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Differs	Yes	No
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	No	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	No	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	No	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	No	Unknown — not stated by the source
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® InTru™ 3D TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Insider™Known for one	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for one	No	Unknown — not stated by the source
Intel® Quick Sync Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Turbo Boost Technology	No	No
Processor ARK IDDiffers	35569	35163
Processor codeDiffers	SL3BU	SLAJ5
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring TechnologiesKnown for one	No	Unknown — not stated by the source
Conflict-Free processorKnown for one	No	Unknown — not stated by the source
Battery2 differ
Number of battery cellsDiffers	4	6
Battery life (max)Differs	3.7 h	4.5 h
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	IBM	IBM
Fingerprint reader	Yes	Yes
HDD user password	Yes	Yes
Weight & dimensions3 differ
WeightDiffers	2.3 kg	2.1 kg
WidthDiffers	355.5 mm	318 mm
Depth	238 mm	238 mm
HeightDiffers	34.9 mm	36 mm
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Other features1 differ
Infrared data port	No	No
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
Modem typeDiffers	1	V.90
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.

More laptop comparisons

All laptop comparisons