Product comparison · 2 laptops

Dell Latitude E6400 Intel® Core™2 Duo P8400 vs Dell Latitude E6500 Intel® Core™2 Duo T9550

99specifications compared
27differ
72identical
21known for one product only

Key differences

Display diagonal
- Latitude E6400 Intel® Core™2 Duo P8400:35.8 cm (14.1")
- Latitude E6500 Intel® Core™2 Duo T9550:39.1 cm (15.4")
Processor model
- Latitude E6400 Intel® Core™2 Duo P8400:P8400
- Latitude E6500 Intel® Core™2 Duo T9550:T9550
Processor frequency
- Latitude E6400 Intel® Core™2 Duo P8400:2.26 GHz
- Latitude E6500 Intel® Core™2 Duo T9550:2.66 GHz
Processor cache
- Latitude E6400 Intel® Core™2 Duo P8400:3 MB
- Latitude E6500 Intel® Core™2 Duo T9550:6 MB
Processor socket
- Latitude E6400 Intel® Core™2 Duo P8400:Socket 478
- Latitude E6500 Intel® Core™2 Duo T9550:Socket 479
Stepping
- Latitude E6400 Intel® Core™2 Duo P8400:M0
- Latitude E6500 Intel® Core™2 Duo T9550:E0
Thermal Design Power (TDP)
- Latitude E6400 Intel® Core™2 Duo P8400:25 W
- Latitude E6500 Intel® Core™2 Duo T9550:35 W
CPU multiplier (bus/core ratio)
- Latitude E6400 Intel® Core™2 Duo P8400:8.5
- Latitude E6500 Intel® Core™2 Duo T9550:10

Side by side

Differences highlightedShow differences only

Comparison of E6400, E6500
120 specifications	A Dell Latitude E6400 Intel® Core™2 Duo P8400 Model E6400 View product	B Dell Latitude E6500 Intel® Core™2 Duo T9550 Model E6500 View product
Display1 differ
Display diagonalDiffers	35.8 cm (14.1")	39.1 cm (15.4")
Display resolution	1440 x 900 pixels	1440 x 900 pixels
Native aspect ratio	16:10	16:10
Display surface	Matt	Matt
Processor8 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	P8400	T9550
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.26 GHz	2.66 GHz
Processor cacheDiffers	3 MB	6 MB
Processor cache type	L2	L2
Processor front side bus	1066 MHz	1066 MHz
Processor socketDiffers	Socket 478	Socket 479
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 T9000 Series
Processor codename	Penryn	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
SteppingDiffers	M0	E0
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	8.5	10
ECC supported by processor	No	No
Memory2 differ
Internal memoryDiffers	2 GB	4 GB
Internal memory typeDiffers	DDR3-SDRAM	DDR2-SDRAM
Memory clock speedKnown for one	800 MHz	Unknown — not stated by the source
Maximum internal memory	8 GB	8 GB
Memory layout (slots x size)Known for one	Unknown — not stated by the source	2 x 2 GB
Storage2 differ
Total storage capacityDiffers	160 GB	250 GB
HDD interfaceKnown for one	SATA II	Unknown — not stated by the source
HDD speedDiffers	5400 RPM	7200 RPM
Optical drive type	DVD±RW	DVD±RW
Card reader integrated	Yes	Yes
Graphicsidentical
Discrete graphics card	Yes	Yes
Discrete graphics card model	NVIDIA Quadro NVS 160M	NVIDIA Quadro NVS 160M
Discrete graphics card memoryKnown for one	0.25 GB	Unknown — not stated by the source
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.256 GB
Camera1 differ
Front cameraDiffers	No	Yes
Optical driveidentical
LightScribeKnown for one	No	Unknown — not stated by the source
Networkidentical
Networking featuresKnown for one	10/100/1000 Gigabit1	Unknown — not stated by the source
Wireless technologyKnown for one	WiFi	Unknown — not stated by the source
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	2.1+EDR	Unknown — not stated by the source
Mobile network connectionKnown for one	Unknown — not stated by the source	Yes
Mobile network generationKnown for one	Unknown — not stated by the source	3G
Ports & interfaces5 differ
USB 2.0 ports quantity	4	4
eSATA ports quantity	1	1
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 connectorDiffers	No	Yes
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantityDiffers	0	1
CardBus PCMCIA slot typeDiffers	No	Type II
SmartCard slot	No	No
Modem (RJ-11) portsDiffers	1	0
TV-in port	No	No
TV-outDiffers	Yes	No
TV-out typeKnown for one	S-Video	Unknown — not stated by the source
PS/2 ports quantity	0	0
Parallel ports quantity	0	0
Serial ports quantity	0	0
Softwareidentical
Operating system installed	Windows Vista Business	Windows Vista Business
Optional operating system suppliedKnown for one	Windows XP Professional	Unknown — not stated by the source
Processor special features4 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options availableDiffers	Yes	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 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 IDDiffers	35569	37130
Processor codeDiffers	SL3BU	SLGE4
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Poweridentical
DC-in jack	Yes	Yes
Weight & dimensions3 differ
WeightDiffers	1.95 kg	2.3 kg
WidthDiffers	335 mm	358 mm
DepthDiffers	238 mm	257 mm
HeightKnown for one	31 mm	Unknown — not stated by the source
Height (front)Known for one	Unknown — not stated by the source	2.7 cm
Height (rear)Known for one	Unknown — not stated by the source	3.3 cm
Packaging contentidentical
Remote control includedKnown for one	No	Unknown — not stated by the source
Other features1 differ
Infrared data port	No	No
Internal modemDiffers	Yes	No
Modem speedKnown for one	56 Kbit/s	Unknown — not stated by the source
Supplied AC adapter type	AC	AC
Intel Turbo MemoryKnown for one	Unknown — not stated by the source	800 GB
Securityidentical
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes

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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