Is pentium 4 processor is upgradable to core 2 duo Tags: CPUs Pentium Processors Core Last response: May 20, 2011 5:26 PM in CPUs Share Anonymous a b à CPUs May 20, 2011 2:11:00 PM Hello, i got an old laptop which is packard bell easynote h5135. it have pentium 4 processor 3.4 ghz can i upgrade the processor to core 2 duo or dual core processor. More about : pentium processor upgradable core duo jsc a c 172 à CPUs May 20, 2011 3:04:15 PM No. I googled "pentium 4 processor 3.4 ghz". It is an S478 part. Sockets are incompatible. gamerk316 a b à CPUs May 20, 2011 5:26:14 PM Depends on socket; if you have socket 478, you have no upgrade path. If you have 775, then you have to check which chipset [775 had a bunch of differnet chipsets, which support no, some, or all CD2/C2Q chips] you have and what CPU's it supports. Can't find your answer ? Ask ! Publish Related resources: ForumWhat can I upgrade a Pentium 6600, 2.4 Ghz, Core Duo -conroe, Burn 2 processor to ForumUpgrad my processor from pentium 4 ht 3 2 GHz to core 2 duo e6300 1 86GHz ForumCompaq Presario 6000T upgrade from pentium 4 to a core duo processor ForumPentium 4 upgrade to core 2 duo with chip ForumCompare pentium 4 core 2 duo ForumPentium 4 4 gb Ram or core2 duo 2 gb ForumDoes a pentium 4 run hotter than an intel core 2 duo ? ForumCPU swap - Pentium D with a Core2 Duo E7500 ForumPentium 4 to Core 2 Duo ForumUpgrading from Pentium D to Core 2 duo ? ForumUpgrade - Pentium D to Core2Duo ForumPentium D to Core 2 Duo Upgrade ..... HELP! ForumGx 620 ... upgrading processor to core 2 duo ... ForumIntel Pentium D 2 .8 ghz vs. Core 2 Duo T6600 2 .26 Ghz ForumIs Core 2 Duo E8400 still a capable gaming processor ForumThermaltake 850w PCI-E question ForumAmd processor warranty check ForumNew quad core AMD Problems Forum[Solved] Dual core upgrade to Quad core. ForumAdding an Intel Core 2 Quad Q8400 to a MB that has an FSB of 1066 More resources Read discussions in other CPUs categories AMD Intel Intel i5 Intel i7 Phenom Cooling Performance !