Product comparison · 2 laptops

HP Compaq 6510b Intel® Core™2 Duo T7250 Laptop vs HP Compaq 6820s Intel Core™2 Duo Processor T5470 1024M/160G 17" WXGA+WVA DVD+/-RW DL WVST Bus Notebook PC

96specifications compared
23differ
73identical
73known for one product only

Key differences

Display diagonal
- Compaq 6510b Intel® Core™2 Duo T7250 Laptop:35.8 cm (14.1")
- Compaq 6820s Intel Core™2 Duo Processor T5470 1024M/160G 17" WXGA+WVA DVD+/-RW DL WVST Bus Notebook PC:43.2 cm (17")
Display resolution
- Compaq 6510b Intel® Core™2 Duo T7250 Laptop:1200 x 800 pixels
- Compaq 6820s Intel Core™2 Duo Processor T5470 1024M/160G 17" WXGA+WVA DVD+/-RW DL WVST Bus Notebook PC:1440 x 900 pixels
Processor model
- Compaq 6510b Intel® Core™2 Duo T7250 Laptop:T7250
- Compaq 6820s Intel Core™2 Duo Processor T5470 1024M/160G 17" WXGA+WVA DVD+/-RW DL WVST Bus Notebook PC:T5470
Processor frequency
- Compaq 6510b Intel® Core™2 Duo T7250 Laptop:2 GHz
- Compaq 6820s Intel Core™2 Duo Processor T5470 1024M/160G 17" WXGA+WVA DVD+/-RW DL WVST Bus Notebook PC:1.6 GHz
CPU multiplier (bus/core ratio)
- Compaq 6510b Intel® Core™2 Duo T7250 Laptop:10
- Compaq 6820s Intel Core™2 Duo Processor T5470 1024M/160G 17" WXGA+WVA DVD+/-RW DL WVST Bus Notebook PC:8
Total storage capacity
- Compaq 6510b Intel® Core™2 Duo T7250 Laptop:120 GB
- Compaq 6820s Intel Core™2 Duo Processor T5470 1024M/160G 17" WXGA+WVA DVD+/-RW DL WVST Bus Notebook PC:160 GB
Maximum graphics card memory
- Compaq 6510b Intel® Core™2 Duo T7250 Laptop:0.384 GB
- Compaq 6820s Intel Core™2 Duo Processor T5470 1024M/160G 17" WXGA+WVA DVD+/-RW DL WVST Bus Notebook PC:0.128 GB
Audio system
- Compaq 6510b Intel® Core™2 Duo T7250 Laptop:HDA
- Compaq 6820s Intel Core™2 Duo Processor T5470 1024M/160G 17" WXGA+WVA DVD+/-RW DL WVST Bus Notebook PC:High Definition Audio

Side by side

Differences highlightedShow differences only

Comparison of 6510b, Compaq 6820s Intel Core™2 Duo Processor T5470 1024M/160G 17" WXGA+WVA DVD+/-RW DL WVST Bus Notebook PC
169 specifications	A HP Compaq 6510b Intel® Core™2 Duo T7250 Laptop Model 6510b View product	B HP Compaq 6820s Intel Core™2 Duo Processor T5470 1024M/160G 17" WXGA+WVA DVD+/-RW DL WVST Bus Notebook PC View product
Designidentical
Product typeKnown for one	Laptop	Unknown — not stated by the source
Product colourKnown for one	Black	Unknown — not stated by the source
Form factorKnown for one	Clamshell	Unknown — not stated by the source
Country of origin	China	China
Display2 differ
Display diagonalDiffers	35.8 cm (14.1")	43.2 cm (17")
Display resolutionDiffers	1200 x 800 pixels	1440 x 900 pixels
TouchscreenKnown for one	No	Unknown — not stated by the source
HD typeKnown for one	Not supported	Unknown — not stated by the source
LED backlightKnown for one	No	Unknown — not stated by the source
Native aspect ratio	16:10	16:10
Processor4 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	T7250	T5470
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2 GHz	1.6 GHz
Processor cache	2 MB	2 MB
Processor cache type	L2	L2
Processor front side bus	800 MHz	800 MHz
Processor socket	Socket 478	Socket 478
Processor lithography	65 nm	65 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo T7000 Series	Intel Core 2 Duo T5000 Series
Processor codename	Merom	Merom
Bus type	FSB	FSB
FSB Parity	No	No
Stepping	M0	M0
Thermal Design Power (TDP)	35 W	35 W
TcaseKnown for one	68 °C	Unknown — not stated by the source
Tjunction	100 °C	100 °C
Number of Processing Die Transistors	291 M	291 M
Processing Die size	143 mm²	143 mm²
CPU multiplier (bus/core ratio)Differs	10	8
ECC supported by processor	No	No
Processor technologyKnown for one	Unknown — not stated by the source	Intel Centrino
Memoryidentical
Internal memory	1 GB	1 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory clock speedKnown for one	667 MHz	Unknown — not stated by the source
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	4 GB	4 GB
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 1 GB
Memory upgradeKnown for one	Unknown — not stated by the source	4 GB
Storage1 differ
Total storage capacityDiffers	120 GB	160 GB
Storage mediaKnown for one	HDD	Unknown — not stated by the source
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	120 GB	Unknown — not stated by the source
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD speed	5400 RPM	5400 RPM
Optical drive typeKnown for one	DVD Super Multi DL	Unknown — not stated by the source
Compatible memory cardsKnown for one	Unknown — not stated by the source	SD
Graphics1 differ
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
On-board graphics card familyKnown for one	Intel® GMA	Unknown — not stated by the source
On-board graphics card modelKnown for one	Intel® GMA X3100	Unknown — not stated by the source
Maximum graphics card memoryDiffers	0.384 GB	0.128 GB
Maximum resolutionKnown for one	1280 x 800 pixels	Unknown — not stated by the source
Discrete graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	AMD Mobility Radeon X1350
Audio1 differ
Audio systemDiffers	HDA	High Definition Audio
Number of built-in speakers	2	2
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Audio includedKnown for one	Unknown — not stated by the source	High Definition Audio, mono speaker, headphone/line out, stereo microphone in
Optical drive1 differ
LightScribeDiffers	No	Yes
Network1 differ
Wi-FiKnown for one	Yes	Unknown — not stated by the source
Wi-Fi standardsKnown for one	802.11a, 802.11b, 802.11g	Unknown — not stated by the source
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
BluetoothDiffers	No	Yes
Networking featuresKnown for one	Unknown — not stated by the source	Ethernet/Fast Ethernet
Wireless technologyKnown for one	Unknown — not stated by the source	IEEE 802.11a/b/g, Y
Bluetooth versionKnown for one	Unknown — not stated by the source	2.0+EDR
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	4	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
eSATA/USB 2.0 ports quantityKnown for one	0	Unknown — not stated by the source
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	0	Unknown — not stated by the source
eSATA ports quantityKnown for one	0	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
DisplayPorts quantityKnown for one	0	Unknown — not stated by the source
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) portsDiffers	1	0
Thunderbolt ports quantityKnown for one	0	Unknown — not stated by the source
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connector	No	No
Modem (RJ-11) ports	1	1
ExpressCard slotKnown for one	Unknown — not stated by the source	Yes
CardBus PCMCIA slots quantityKnown for one	Unknown — not stated by the source	0
CardBus PCMCIA slot typeKnown for one	Unknown — not stated by the source	No
SmartCard slotKnown for one	Unknown — not stated by the source	Yes
TV-in portKnown for one	Unknown — not stated by the source	No
TV-outKnown for one	Unknown — not stated by the source	No
PS/2 ports quantityKnown for one	Unknown — not stated by the source	0
Parallel ports quantityKnown for one	Unknown — not stated by the source	0
Serial ports quantityKnown for one	Unknown — not stated by the source	0
I/O portsKnown for one	Unknown — not stated by the source	3 USB 2.0 ports, VGA, stereo microphone in, headphone/line out, power connector, RJ-11, RJ-45 3 USB 2.0 ports, VGA, stereo microphone in, stereo headphone/line out, power connector, RJ-11, RJ-45
USB 1.1 ports quantityKnown for one	Unknown — not stated by the source	0
Performance1 differ
Motherboard chipsetDiffers	Intel® GM965	Intel® PM965 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keysKnown for one	Yes	Unknown — not stated by the source
Keyboard typeKnown for one	Unknown — not stated by the source	Full-sized keyboard with integrated numeric keypad
Softwareidentical
Operating system installed	Windows Vista Business	Windows Vista Business
Bundled softwareKnown for one	Unknown — not stated by the source	HP Backup and Recovery Manager, Roxio Creator 9 and Microsoft Office 2007 Small Business or Professional edition (optional)
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
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)Differs	Yes	No
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® Small Business Advantage (Intel® SBA)Known for one	No	Unknown — not stated by the source
Intel® Turbo Boost Technology	No	No
Processor ARK IDDiffers	31728	31788
Processor codeDiffers	SLA49	SLAEB
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Battery1 differ
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Number of battery cells	6	6
Battery life (max)Differs	5.25 h	3 h
Poweridentical
AC adapter powerKnown for one	90 W	Unknown — not stated by the source
AC adapter frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
AC adapter input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Security management descriptionKnown for one	Unknown — not stated by the source	Kensington Lock slot
Operational conditions1 differ
Operating temperature (T-T)	0 - 35 °C	0 - 35 °C
Storage temperature (T-T)	-20 - 60 °C	-20 - 60 °C
Operating relative humidity (H-H)	10 - 90%	10 - 90%
Storage relative humidity (H-H)Differs	5 - 95%	5 - 95, 5 - 90
Certificatesidentical
Wi-Fi certifiedKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	2.4 kg	2.95 kg
WidthDiffers	331 mm	396 mm
DepthDiffers	243 mm	285 mm
HeightDiffers	34 mm	32 mm
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Cameraidentical
Front cameraKnown for one	Unknown — not stated by the source	No
Videoidentical
Video card featuresKnown for one	Unknown — not stated by the source	ATI Mobility Radeon X1350
Other featuresidentical
Infrared data portKnown for one	Unknown — not stated by the source	No
Power managementKnown for one	Unknown — not stated by the source	6-cell (55 WHr) Lithium-Ion battery
Power requirementsKnown for one	Unknown — not stated by the source	External 90W HP AC adapter 6-cell (55 WHr) Lithium-Ion battery
Internal modemKnown for one	Unknown — not stated by the source	Yes
Modem speedKnown for one	Unknown — not stated by the source	56 Kbit/s
Modem typeKnown for one	Unknown — not stated by the source	56K
Docking solutionKnown for one	Unknown — not stated by the source	Targus branded USB Port Replicator (PX971A)
Expansion slotsKnown for one	Unknown — not stated by the source	Slots available for additional devices: 1 ExpressCard/54 slot, Secure Digital (SD) slot
Supplied AC adapter typeKnown for one	Unknown — not stated by the source	AC
UNSPSC-codeKnown for one	Unknown — not stated by the source	43211503

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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