Product comparison · 2 laptops

Lenovo ThinkPad 647351M laptop Intel® Core™2 Duo P8600 vs Lenovo ThinkPad R400 (744333G), PT

102specifications compared
23differ
79identical
22known for one product only

Key differences

Display resolution
- ThinkPad 647351M laptop Intel® Core™2 Duo P8600:1440 x 900 pixels
- ThinkPad R400 (744333G), PT:1280 x 800 pixels
Processor model
- ThinkPad 647351M laptop Intel® Core™2 Duo P8600:P8600
- ThinkPad R400 (744333G), PT:T6670
Processor frequency
- ThinkPad 647351M laptop Intel® Core™2 Duo P8600:2.4 GHz
- ThinkPad R400 (744333G), PT:2.2 GHz
Processor cache
- ThinkPad 647351M laptop Intel® Core™2 Duo P8600:3 MB
- ThinkPad R400 (744333G), PT:2 MB
Processor front side bus
- ThinkPad 647351M laptop Intel® Core™2 Duo P8600:1066 MHz
- ThinkPad R400 (744333G), PT:800 MHz
Processor socket
- ThinkPad 647351M laptop Intel® Core™2 Duo P8600:Socket 479
- ThinkPad R400 (744333G), PT:Socket 478
Thermal Design Power (TDP)
- ThinkPad 647351M laptop Intel® Core™2 Duo P8600:25 W
- ThinkPad R400 (744333G), PT:35 W
CPU multiplier (bus/core ratio)
- ThinkPad 647351M laptop Intel® Core™2 Duo P8600:9
- ThinkPad R400 (744333G), PT:11

Side by side

Differences highlightedShow differences only

Comparison of 647351M, ThinkPad R400 (744333G), PT
124 specifications	A Lenovo ThinkPad 647351M laptop Intel® Core™2 Duo P8600 Model 647351M View product	B Lenovo ThinkPad R400 (744333G), PT View product
Display1 differ
Display diagonal	35.8 cm (14.1")	35.8 cm (14.1")
Display resolutionDiffers	1440 x 900 pixels	1280 x 800 pixels
Native aspect ratio	16:10	16:10
Display surfaceKnown for one	Matt	Unknown — not stated by the source
Dual-screenKnown for one	No	Unknown — not stated by the source
LED backlightKnown for one	Unknown — not stated by the source	Yes
Processor8 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	P8600	T6670
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.4 GHz	2.2 GHz
Processor cacheDiffers	3 MB	2 MB
Processor cache type	L2	L2
Processor front side busDiffers	1066 MHz	800 MHz
Processor socketDiffers	Socket 479	Socket 478
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo P8000 Series	Intel Core 2 Duo T6000 Series
Processor codename	Penryn	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
SteppingKnown for one	R1	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	25 W	35 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)Differs	9	11
ECC supported by processor	No	No
Memoryidentical
Internal memory	2 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	Unknown — not stated by the source	1066 MHz
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 2 GB
Maximum internal memoryKnown for one	Unknown — not stated by the source	4 GB
Storage3 differ
Total storage capacityDiffers	160 GB	250 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeDiffers	DVD±RW	DVD-RW
Card reader integratedDiffers	Yes	No
Graphicsidentical
Discrete graphics card	Yes	Yes
Discrete graphics card model	Intel® GMA 4500MHD	Intel® GMA 4500MHD
Cameraidentical
Front cameraKnown for one	Yes	Unknown — not stated by the source
Network3 differ
Networking featuresDiffers	Gigabit Ethernet, WLAN	WLAN, Gigabit Ethernet
Wireless technologyDiffers	802.11 a/g/n	Intel 5100AGN
BluetoothDiffers	Yes	No
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Ports & interfaces4 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 outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connectorDiffers	Yes	No
ExpressCard slotDiffers	Yes	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	Yes	No
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
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Drivers includedKnown for one	Unknown — not stated by the source	Yes
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	42109
Processor codeKnown for one	SLGDZ	Unknown — not stated by the source
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 cells	6	6
Battery life (max)Known for one	Unknown — not stated by the source	5.6 h
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
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 35 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	30 - 80%	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	2.14 kg	2.4 kg
Dimensions (WxDxH)Known for one	335.5 x 238 x 32 mm	Unknown — not stated by the source
WidthKnown for one	Unknown — not stated by the source	335.5 mm
DepthKnown for one	Unknown — not stated by the source	238 mm
HeightKnown for one	Unknown — not stated by the source	34.9 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Power requirementsKnown for one	100V – 240V AC, 50Hz/60Hz	Unknown — not stated by the source
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
Supplied AC adapter type	AC	AC
Modem typeKnown for one	Unknown — not stated by the source	1
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	Intel HDA 24-bit

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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