Product comparison · 2 laptops

Lenovo ThinkPad T42 PM745 512MB 80GB WXPP vs Lenovo TS ThinkPad R52 PM740 512 40 XPP AZB-FR

24specifications compared
11differ
13identical
95known for one product only

Key differences

The Lenovo ThinkPad T42 PM745 512MB 80GB WXPP has 0.07 GHz more processor frequency than the Lenovo TS ThinkPad R52 PM740 512 40 XPP AZB-FR (1.8 GHz vs 1.73 GHz). The Lenovo TS ThinkPad R52 PM740 512 40 XPP AZB-FR has 133 MHz more processor front side bus than the Lenovo ThinkPad T42 PM745 512MB 80GB WXPP (533 MHz vs 400 MHz). The Lenovo ThinkPad T42 PM745 512MB 80GB WXPP has 40 GB more total storage capacity than the Lenovo TS ThinkPad R52 PM740 512 40 XPP AZB-FR (80 GB vs 40 GB). Display diagonal: 35.8 cm (14.1") on the Lenovo ThinkPad T42 PM745 512MB 80GB WXPP, 38.1 cm (15") on the Lenovo TS ThinkPad R52 PM740 512 40 XPP AZB-FR. Discrete graphics card model: AMD Mobility Radeon 7500 on the Lenovo ThinkPad T42 PM745 512MB 80GB WXPP, Intel® GMA 900 on the Lenovo TS ThinkPad R52 PM740 512 40 XPP AZB-FR.

Display diagonal
- ThinkPad T42 PM745 512MB 80GB WXPP:35.8 cm (14.1")
- TS ThinkPad R52 PM740 512 40 XPP AZB-FR:38.1 cm (15")
Processor frequency
- ThinkPad T42 PM745 512MB 80GB WXPP:1.8 GHz
- TS ThinkPad R52 PM740 512 40 XPP AZB-FR:1.73 GHz
Processor front side bus
- ThinkPad T42 PM745 512MB 80GB WXPP:400 MHz
- TS ThinkPad R52 PM740 512 40 XPP AZB-FR:533 MHz
Total storage capacity
- ThinkPad T42 PM745 512MB 80GB WXPP:80 GB
- TS ThinkPad R52 PM740 512 40 XPP AZB-FR:40 GB
Discrete graphics card model
- ThinkPad T42 PM745 512MB 80GB WXPP:AMD Mobility Radeon 7500
- TS ThinkPad R52 PM740 512 40 XPP AZB-FR:Intel® GMA 900
Maximum graphics card memory
- ThinkPad T42 PM745 512MB 80GB WXPP:0.032 GB
- TS ThinkPad R52 PM740 512 40 XPP AZB-FR:0.128 GB
Graphics card interface
- ThinkPad T42 PM745 512MB 80GB WXPP:AGP 4X
- TS ThinkPad R52 PM740 512 40 XPP AZB-FR:PCI Express
Battery life (max)
- ThinkPad T42 PM745 512MB 80GB WXPP:4.8 h
- TS ThinkPad R52 PM740 512 40 XPP AZB-FR:3.7 h

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad T42 PM745 512MB 80GB WXPP, TS ThinkPad R52 PM740 512 40 XPP AZB-FR
119 specifications	A Lenovo ThinkPad T42 PM745 512MB 80GB WXPP View product	B Lenovo TS ThinkPad R52 PM740 512 40 XPP AZB-FR View product
Display1 differ
Display diagonalDiffers	35.8 cm (14.1")	38.1 cm (15")
Display resolution	1024 x 768 pixels	1024 x 768 pixels
Native aspect ratio	4:3	4:3
Contrast ratio (typical)Known for one	Unknown — not stated by the source	750:1
Processor2 differ
Processor manufacturer	Intel	Intel
Processor familyKnown for one	Intel Pentium Mobile	Unknown — not stated by the source
Processor modelKnown for one	745	Unknown — not stated by the source
Processor coresKnown for one	1	Unknown — not stated by the source
Processor threadsKnown for one	1	Unknown — not stated by the source
Processor frequencyDiffers	1.8 GHz	1.73 GHz
Processor cacheKnown for one	2 MB	Unknown — not stated by the source
Processor cache typeKnown for one	L2	Unknown — not stated by the source
Processor front side busDiffers	400 MHz	533 MHz
Processor socketKnown for one	Socket 479	Unknown — not stated by the source
Processor lithographyKnown for one	90 nm	Unknown — not stated by the source
Processor operating modesKnown for one	32-bit	Unknown — not stated by the source
Processor seriesKnown for one	Intel Pentium M 700 Series	Unknown — not stated by the source
Processor codenameKnown for one	Dothan	Unknown — not stated by the source
Bus typeKnown for one	FSB	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	21 W	Unknown — not stated by the source
TjunctionKnown for one	100 °C	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	144 M	Unknown — not stated by the source
Processing Die sizeKnown for one	87 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	18	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memoryidentical
Internal memory	0.5 GB	0.5 GB
Internal memory typeKnown for one	Unknown — not stated by the source	DDR2-SDRAM
Storage1 differ
Total storage capacityDiffers	80 GB	40 GB
HDD speed	5400 RPM	5400 RPM
Graphics3 differ
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	AMD Mobility Radeon 7500	Intel® GMA 900
Maximum graphics card memoryDiffers	0.032 GB	0.128 GB
Maximum resolution	2048 x 1536 pixels	2048 x 1536 pixels
Graphics card interfaceDiffers	AGP 4X	PCI Express
Audioidentical
Audio systemKnown for one	stereo	Unknown — not stated by the source
Number of built-in speakers	2	2
Network1 differ
Networking featuresDiffers	Ethernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11b/IEEE 802.11g/Bluetooth	Ethernet/Fast Ethernet/Gigabit Ethernet/IEEE 802.11a/IEEE 802.11b/IEEE 802.11g/Bluetooth
Ports & interfacesidentical
I/O portsKnown for one	-RJ-11 -RJ-45 -S-Video out -2 USB 2.0 -AC adapter -Expansion Bus port (for Dock II/Mini Dock or Port Replicator II) -External microphone -External Display -Headphone/Line out -Infrared -Parallel	Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	2
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	1
DVI portKnown for one	Unknown — not stated by the source	No
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	1
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	1
Headphone outputsKnown for one	Unknown — not stated by the source	1
S/PDIF out portKnown for one	Unknown — not stated by the source	No
Microphone inKnown for one	Unknown — not stated by the source	Yes
Docking connectorKnown for one	Unknown — not stated by the source	Yes
CardBus PCMCIA slots quantityKnown for one	Unknown — not stated by the source	1
CardBus PCMCIA slot typeKnown for one	Unknown — not stated by the source	Type II
SmartCard slotKnown for one	Unknown — not stated by the source	No
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	1
TV-in portKnown for one	Unknown — not stated by the source	No
TV-outKnown for one	Unknown — not stated by the source	Yes
TV-out typeKnown for one	Unknown — not stated by the source	S-Video
PS/2 ports quantityKnown for one	Unknown — not stated by the source	0
Parallel ports quantityKnown for one	Unknown — not stated by the source	1
Serial ports quantityKnown for one	Unknown — not stated by the source	0
USB 1.1 ports quantityKnown for one	Unknown — not stated by the source	0
Keyboardidentical
Keyboard type	Full size	Full size
Pointing deviceKnown for one	Unknown — not stated by the source	ThinkPad UltraNav
Softwareidentical
Compatible operating systemsKnown for one	Microsoft Windows XP Professional	Unknown — not stated by the source
Operating system installedKnown for one	Unknown — not stated by the source	Windows XP Professional
Bundled softwareKnown for one	Unknown — not stated by the source	Access IBM, IBM Access Connections, IBM Rescue and Recovery, Norton AntiVirus 2004 with 90 days of virus definition upgrades, PC Doctor diagnostics, Adobe Acrobat Reader
Processor special featuresidentical
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 TechnologyKnown for one	Yes	Unknown — not stated by the source
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Idle StatesKnown for one	No	Unknown — not stated by the source
Intel 64Known for one	No	Unknown — not stated by the source
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for one	No	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	No	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 TechnologyKnown for one	No	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	No	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	No	Unknown — not stated by the source
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)Known for one	No	Unknown — not stated by the source
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 TechnologyKnown for one	No	Unknown — not stated by the source
Processor ARK IDKnown for one	27591	Unknown — not stated by the source
Processor package sizeKnown for one	35 x 35 mm	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	No	Unknown — not stated by the source
Conflict-Free processorKnown for one	No	Unknown — not stated by the source
Battery1 differ
Battery life (max)Differs	4.8 h	3.7 h
Number of battery cellsKnown for one	Unknown — not stated by the source	6
Weight & dimensions2 differ
WeightDiffers	2 kg	2.8 kg
Dimensions (WxDxH)Differs	311 x 255 x 27 mm	332 x 269 x 38 mm
WidthKnown for one	Unknown — not stated by the source	332 mm
DepthKnown for one	Unknown — not stated by the source	269 mm
HeightKnown for one	Unknown — not stated by the source	38 mm
Hard driveidentical
Storage drive type	ATA-100 (Enhanced IDE)	ATA-100 (Enhanced IDE)
Other featuresidentical
Security featuresKnown for one	-IBM Embedded Security Subsystem 2.0 -Hard disk drive password -Integrated fingerprint reader -IBM Security Slot -Power-on password -Supervisor password	Unknown — not stated by the source
Battery typeKnown for one	6 Cell Lithium-Ion	Unknown — not stated by the source
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
Supplied AC adapter type	AC	AC
Infrared data portKnown for one	Unknown — not stated by the source	Yes
Modem typeKnown for one	Unknown — not stated by the source	56K V.92
Cameraidentical
Front cameraKnown for one	Unknown — not stated by the source	No
Optical driveidentical
CD read speedKnown for one	Unknown — not stated by the source	24x
CD write speedKnown for one	Unknown — not stated by the source	24x
CD rewrite speedKnown for one	Unknown — not stated by the source	24x
DVD read speedKnown for one	Unknown — not stated by the source	8x
Poweridentical
DC-in jackKnown for one	Unknown — not stated by the source	Yes
Securityidentical
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	IBM

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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