Product comparison · 2 laptops

Acer Aspire 1681WLMi 1.5GHz/512MB/40GB QW vs Acer ASPIRE 1684WLMI PMC745-1.8

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  • 26specifications compared
  • 8differ
  • 18identical
  • 74known for one product only

Key differences

The Acer ASPIRE 1684WLMI PMC745-1.8 has 0.3 GHz more processor frequency than the Acer Aspire 1681WLMi 1.5GHz/512MB/40GB QW (1.8 GHz vs 1.5 GHz). The Acer ASPIRE 1684WLMI PMC745-1.8 has 40 GB more total storage capacity than the Acer Aspire 1681WLMi 1.5GHz/512MB/40GB QW (80 GB vs 40 GB). Compatible operating systems: Microsoft Windows XP on the Acer Aspire 1681WLMi 1.5GHz/512MB/40GB QW, Microsoft Windows XP Home Edition on the Acer ASPIRE 1684WLMI PMC745-1.8. Dimensions (WxDxH): 364 x 279 x 38.9 mm on the Acer Aspire 1681WLMi 1.5GHz/512MB/40GB QW, 364 x 279 x 39 mm on the Acer ASPIRE 1684WLMI PMC745-1.8.

  • Processor frequency
    • Aspire 1681WLMi 1.5GHz/512MB/40GB QW:1.5 GHz
    • ASPIRE 1684WLMI PMC745-1.8:1.8 GHz
  • Total storage capacity
    • Aspire 1681WLMi 1.5GHz/512MB/40GB QW:40 GB
    • ASPIRE 1684WLMI PMC745-1.8:80 GB
  • Dimensions (WxDxH)
    • Aspire 1681WLMi 1.5GHz/512MB/40GB QW:364 x 279 x 38.9 mm
    • ASPIRE 1684WLMI PMC745-1.8:364 x 279 x 39 mm

Side by side

Differences highlightedShow differences only (on)
Comparison of Aspire 1681WLMi 1.5GHz/512MB/40GB QW, ASPIRE 1684WLMI PMC745-1.8
100 specifications
Processor1 differ
Processor manufacturerKnown for oneUnknown — not stated by the sourceIntel
Processor familyKnown for oneUnknown — not stated by the sourceIntel Pentium Mobile
Processor modelKnown for oneUnknown — not stated by the source745
Processor coresKnown for oneUnknown — not stated by the source1
Processor threadsKnown for oneUnknown — not stated by the source1
Processor frequencyDiffers1.5 GHz1.8 GHz
Processor socketKnown for oneUnknown — not stated by the sourceSocket 479
Processor lithographyKnown for oneUnknown — not stated by the source90 nm
Processor operating modesKnown for oneUnknown — not stated by the source32-bit
Processor seriesKnown for oneUnknown — not stated by the sourceIntel Pentium M 700 Series
Processor codenameKnown for oneUnknown — not stated by the sourceDothan
Bus typeKnown for oneUnknown — not stated by the sourceFSB
FSB ParityKnown for oneUnknown — not stated by the sourceNo
Thermal Design Power (TDP)Known for oneUnknown — not stated by the source21 W
TjunctionKnown for oneUnknown — not stated by the source100 °C
Number of Processing Die TransistorsKnown for oneUnknown — not stated by the source144 M
Processing Die sizeKnown for oneUnknown — not stated by the source87 mm²
CPU multiplier (bus/core ratio)Known for oneUnknown — not stated by the source18
ECC supported by processorKnown for oneUnknown — not stated by the sourceNo
Cache internalKnown for oneUnknown — not stated by the source2048 MB
Memoryidentical
Internal memory typeKnown for oneDDR-SDRAMUnknown — not stated by the source
Maximum internal memoryKnown for one2 GBUnknown — not stated by the source
Storage1 differ
Total storage capacityDiffers40 GB80 GB
HDD speedKnown for oneUnknown — not stated by the source4200 RPM
HDD interfaceKnown for oneUltra-ATA/100Unknown — not stated by the source
Audioidentical
Audio systemKnown for oneUnknown — not stated by the sourceSoundBlaster-Pro and MS DirectSound-compatible
Optical driveidentical
CD read speedKnown for oneUnknown — not stated by the source24x
CD write speedKnown for oneUnknown — not stated by the source16x
CD rewrite speedKnown for oneUnknown — not stated by the source10x
DVD read speedKnown for oneUnknown — not stated by the source8x
DVD write speedKnown for oneUnknown — not stated by the source4x
DVD rewrite speedKnown for oneUnknown — not stated by the source2.4x
Network1 differ
Networking featuresDiffersEthernet/Fast EthernetEthernet/Fast Ethernet/IEEE 802.11b/IEEE 802.11g
Wi-FiKnown for oneYesUnknown — not stated by the source
Networking typeKnown for oneWLAN, EthernetUnknown — not stated by the source
Wireless technologyKnown for oneIntel PRO/Wireless 2200BGUnknown — not stated by the source
Ethernet LAN data ratesKnown for one10,100 Mbit/sUnknown — not stated by the source
Wireless complianceKnown for oneIEEE 802.11b/gUnknown — not stated by the source
Ports & interfaces1 differ
I/O portsDiffers3x USB 2.0 1x Infrared (FIR) 1x VGA for external monitor 1x 32bit type II PCMCIA CardBus slot 1x S-video out (NTSC/PAL) 1x IEEE 1394 port 1x RJ-11 jack 1x RJ-45 jack 1x speaker/ headphone/ line-out jack 1x microphone/ line-in jack 1x DC-in jack for AC adapterFirewire (IEEE-1394), 3x USB 2.0, 1x FIR, 1x RJ-45 ethernet, 1x RJ-11 modem, external (VGA) display port, S-video/TV-out, 1x PC Card slot (1x Type II)
Software2 differ
Bundled softwareDiffersAspire Arcade Norton AntiVirus Adobe Acrobat Reader Cyberlink PowerDVD NTI CD Maker Acer Launch Manager Acer eManager Acer System Recovery CD Acer disc-to-disc recovery (This feature uses 2 GB of hard disc space)Norton AntiVirus, CyberLink PowerDVD, Adobe Reader, Acer Launch Manager, Acer eManager, NTI CD Maker, Disc-to-disc recovery (uses 2GB of HD-space)
Compatible operating systemsDiffersMicrosoft Windows XPMicrosoft Windows XP Home Edition
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)Known for oneUnknown — not stated by the sourceNo
Embedded options availableKnown for oneUnknown — not stated by the sourceYes
Enhanced Intel SpeedStep TechnologyKnown for oneUnknown — not stated by the sourceYes
Execute Disable BitKnown for oneUnknown — not stated by the sourceYes
Idle StatesKnown for oneUnknown — not stated by the sourceNo
Intel 64Known for oneUnknown — not stated by the sourceNo
Intel Clear Video TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel Demand Based SwitchingKnown for oneUnknown — not stated by the sourceNo
Intel Dual Display Capable TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel Enhanced Halt StateKnown for oneUnknown — not stated by the sourceNo
Intel FDI TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel Fast Memory AccessKnown for oneUnknown — not stated by the sourceNo
Intel Flex Memory AccessKnown for oneUnknown — not stated by the sourceNo
Intel Rapid Storage TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel Trusted Execution TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel VT-x with Extended Page Tables (EPT)Known for oneUnknown — not stated by the sourceNo
Intel Virtualization Technology (VT-x)Known for oneUnknown — not stated by the sourceNo
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneUnknown — not stated by the sourceNo
Intel® AES New Instructions (Intel® AES-NI)Known for oneUnknown — not stated by the sourceNo
Intel® Anti-Theft Technology (Intel® AT)Known for oneUnknown — not stated by the sourceNo
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneUnknown — not stated by the sourceNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneUnknown — not stated by the sourceNo
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneUnknown — not stated by the sourceNo
Intel® InTru™ 3D TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel® Insider™Known for oneUnknown — not stated by the sourceNo
Intel® My WiFi Technology (Intel® MWT)Known for oneUnknown — not stated by the sourceNo
Intel® Quick Sync Video TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel® Turbo Boost TechnologyKnown for oneUnknown — not stated by the sourceNo
Processor ARK IDKnown for oneUnknown — not stated by the source27591
Processor package sizeKnown for oneUnknown — not stated by the source35 x 35 mm
Thermal Monitoring TechnologiesKnown for oneUnknown — not stated by the sourceNo
Conflict-Free processorKnown for oneUnknown — not stated by the sourceNo
Weight & dimensions1 differ
WidthKnown for oneUnknown — not stated by the source364 mm
DepthKnown for oneUnknown — not stated by the source279 mm
Dimensions (WxDxH)Differs364 x 279 x 38.9 mm364 x 279 x 39 mm
Other features1 differ
Special featuresDiffers3-in-1 card reader DualView support MPEG-2/DVD hardware assisted capability Aspire CinemaVision video technology Aspire ClearVision video optimisation MS-Sound compatible3-in-1 card reader: supporting Secure Digital, MultiMediaCard en Memory Stick
Security featuresKnown for oneSlot for Kensington lock BIOS user and supervisor passwordsUnknown — not stated by the source
Power managementKnown for oneACPIUnknown — not stated by the source
Wake-on-Ring readyKnown for oneYesUnknown — not stated by the source
Keyboardidentical
Keyboard typeKnown for oneQWERTYUnknown — not stated by the source
Certificatesidentical
CertificationKnown for oneDMI 2.0 ACPI Mobile PC2001 Wi-FiUnknown — not stated by the source

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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