Central processor unit in Acer TravelMate 4652LMi is Pentium M740 1.73GHz and in BenQ R23.G13 is Turion64 1.8GHz.
On both models screen size is 15".
Maximum screen resulution on Acer TravelMate 4652LMi is 1400x1050, which might prefer graphic experts rather than 1024x768 on BenQ R23.G13.
We've got both notebooks with 0.5GB of RAM memory.
TravelMate 4652LMi allows maximum 2GB RAM - higher than R23.G13 (-1GB RAM).
Around 3 is duration of accumulators built in both BenQ R23.G13 and Acer TravelMate 4652LMi.
BenQ R23.G13 has less weight (2.8kg), comparing to 3kg on another .
More hard drive space were available at Acer TravelMate 4652LMi (100GB is contast to 60GB).
Disadvantage of BenQ R23.G13 is lack of bluetooth connection which you need for some mobile phones and cameras.
Infrared connection has only Acer TravelMate 4652LMi.
You might need firewire for attaching some devices (rarely) and these laptops don't have it.
Only Acer TravelMate 4652LMi has PCMCIA.
Fast internet speed (1Gbit/s) is supportable only by Acer TravelMate 4652LMi.
Disadvantage of both is lack of DVI output for connection to some modern TFT monitors.
Acer TravelMate 4652LMi only has TV output.
Each notebook has 4 USB ports.
Operating system is XP Pro on Acer TravelMate 4652LMi and XP Home on BenQ R23.G13.
More
Laptops comparisons:
HP dv8301nr vs Panasonic Toughbook CF-74.
Gateway MX6931 vs Fujitsu-Siemens Amilo Xi 1546.
HP dv8301nr vs Asus Z 9274 VM.
Samsung X11-T5500 CeSeba vs Toshiba Satellite P105-S9722.
Gateway MX3414 vs Acer TravelMate 2414NWLMi.
Acer Aspire 3681WXMI vs Acer TravelMate 4202WLMI.
HP Pavilion dv6108nr vs Acer TravelMate 4602WLMI.
Gateway MP8708 vs Sony Vaio VGN-FE31Z.
Sony Vaio VGN-FE28B vs Toshiba Satellite M60-182.
Gateway MX6912 vs Acer Aspire 9512WSMi Gamer.
Gateway MX6448 vs Acer TravelMate 4602WLMI.
Acer Travelmate 2312LM vs Asus Z 9266 VA.
Asus Z5303JC vs Toshiba Satellite A105-S4384.
Asus Z 9266 VA vs Toshiba Satellite M60-182.
Acer Aspire 9512WSMi Gamer vs Acer TravelMate 4602WLMI.
Sony Vaio VGN-FE770G vs Gateway MX6446.
HP dv9008nr vs Acer TravelMate 4202WLMI.
HP dv8301nr vs Gateway MX3414.