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View Full Version : Should I buy a Pentium 805, or 631?



Jatku
06-05-2006, 05:50 PM
I have to buy a CPU this week, but it's only a stopgap until Conroe is available. I'm probably going to purchase a Pentium 805, or 631, though I can't decide. Which processor do you recommend? (I'll be overclocking on air.)

alexio
06-05-2006, 05:51 PM
For superpi action I recommend the 631. For 3D and just 24/7 use the 805 is the better option.

ost_2005
06-05-2006, 05:55 PM
I prefer Conroe.

Recommend 65nm Celeron D now.

sparkie34
06-05-2006, 06:02 PM
My 805 is doing 4ghz under water. Doing well......for now

kyleslater
06-05-2006, 07:32 PM
I'm a fan of the 631 (having a 630 myself).

perkam
06-05-2006, 08:16 PM
My 805 is doing 4ghz under water. Doing well......for now631 can do 4.5 on air.

Perkam

jrw
06-05-2006, 10:16 PM
631 for raw single core power and high overclock.

805 for a smooth dual core windows feeling, 3D03+ benching and 24/7 usage.

DrJay
06-06-2006, 03:57 AM
631 can do 4.5 on air.

Perkam
Usually quite a bit more.

PcCI2iminal
06-06-2006, 05:05 AM
Usually quite a bit more.


631 + Scythe Ninja 120mm x 1500 rpm
24/7 -> 4.5ghz @ 1.365v
benching -> 4.8ghz-5ghz

3NZ0
06-06-2006, 05:14 AM
631, it has ht so it will feel smooth in windows and as getting on for nothing is designed for dual core, its better to have the raw high clocks imo.
805 is very good value but its too hot and the fsb sucks....

DrJay
06-07-2006, 01:48 AM
631 + Scythe Ninja 120mm x 1500 rpm
24/7 -> 4.5ghz @ 1.365v
benching -> 4.8ghz-5ghz
Same results for me. Slightly higher volts though. 4.8 seems to be minimum for air (given a quality HS, mobo and RAM).

|3ourne
06-07-2006, 08:07 AM
usually an 805D will overclock to about 3.8 ghz or more if you have good aircooling. One thing to remember is that their IHS is extremely uneven and you might need to lap it. Once you do that however then on air , 4 ghz is quite attainable. I have one comp sitting at 43C load with a Thermaltake BT with the 805D at 3.6 ghz on both cores. Thats enough power for everyday use and light gaming. If you are a serious gamer , then a single core would be better. Just remember though , the power draw for an 805D is immense. 631 draws power as well but much as much as the dual core.

socrilles
06-07-2006, 08:09 AM
Buy the 805 and use the price difference (from the 631) to get better cooling which then can be used for your conroe

TaPaKaH
06-07-2006, 08:35 AM
I would get 805 ... 2cores ... cheap ... good for OC :D

kais
06-07-2006, 09:15 AM
I prefer Conroe.

Recommend 65nm Celeron D now.
there is no 65nm celeron d.

TaPaKaH
06-07-2006, 09:19 AM
there is no 65nm celeron d.How about D352 and D356 models ;)

StealthyFish
06-07-2006, 03:34 PM
I'd say 805. I'm running one on a 945 board with stock hsf and thermal pad at 3.9ghz. not a bad processor. feels great =D

emberix
06-07-2006, 06:01 PM
805! Dual core all da way!
But u should actually wait for conroe.

CrazyXP1700
06-07-2006, 06:10 PM
I just had a 805... it was fast like everyones saying... but yeah... speeds are kinda lacking because of bus speed... and really i was missing it (this is compared to my other recent intels, 4.4ghz 505 and a 3.7ghz 520(all at 3224 latencys)) my A64 was pretty fast in the benches... but lacked in feeling fast... (thats 2.7ghz with 271mhz BH5's)

but a 631 is gonna be blazing fast single core... they do clock up higher... bus speed is going to be increased alot... so if your looking for a faster single threaded app... my money would go on a 631 and some good cooling...

(i just paid $115 for a 631 here at XS)
my 805 is worth about $0.25 now...

sparkie34
06-07-2006, 07:18 PM
(i just paid $115 for a 631 here at XS)
my 805 is worth about $0.25 now...

Whats your paypal address....funds on the way for the 805;) :D

viper650
06-07-2006, 07:32 PM
there is no 65nm celeron d.


oh but there is.

StealthyFish
06-07-2006, 10:05 PM
it pretty much just depends on the apps you run. Both are good, now all you have to do is find what you're going to be using it for specifically. the 631 has hyperthreading, and although not as good as actually having that second core, it still gives you an advantage over a single core without HT. Dual core is if you're going to run tons and tons of files open at once. Clock high <<<<>>>> multitasking is your choice. You choose. 631 <<<<>>>>805

pcoffman
06-07-2006, 10:09 PM
I'm probably going to purchase a Pentium 805, or 631, though I can't decide. Which processor do you recommend?Pentium D 805. The advantages of two cores tend to outweigh the disadvantages.

The 631 draws almost as much power as the 805. In spite of its 533MHz FSB, the 805 beats the 631 in many, if not most, benchmarks. See http://www.anandtech.com/cpuchipsets/showdoc.aspx?i=2736&p=1 for benchmarks comparing the two. Dual-core should be more responsive in everyday use. More and more applications are being written to take advantage of two cores, not to mention that the OS already can make good use of two cores. HT is cool, but two simulated cores cannot compare with two real cores.

DrJay
06-07-2006, 11:22 PM
Pentium D 805. The advantages of two cores tend to outweigh the disadvantages.

The 631 draws almost as much power as the 805. In spite of its 533MHz FSB, the 805 beats the 631 in many, if not most, benchmarks. See http://www.anandtech.com/cpuchipsets/showdoc.aspx?i=2736&p=1 for benchmarks comparing the two. Dual-core should be more responsive in everyday use. More and more applications are being written to take advantage of two cores, not to mention that the OS already can make good use of two cores. HT is cool, but two simulated cores cannot compare with two real cores.
I'm not sure I really trust the power consupmtion numbers from that article.
Anyway, the 805s consumption will increase faster than the 631s with increased clock speed.
Seems like the best solution would be to pay slightly more and get a 920. Those must be going for fairly cheap since 930s can be had for under $200 USD.

jrw
06-08-2006, 12:57 AM
Remember that the 631 is 40% more expensive than the 805.

Must be taken into consideration IMO.

pcoffman
06-08-2006, 07:10 AM
Seems like the best solution would be to pay slightly more and get a 920. Those must be going for fairly cheap since 930s can be had for under $200 USD.920 is better, but costs more, as noted. 920 costs about the same as the 930: http://www.pricegrabber.com/search_compare.php?topcat_id=1&page_id=42&page_id=42&Compare+Selected+Products.x=26&Compare+Selected+Products.y=8&masterids%5B%5D=17112278&masterids%5B%5D=15838174

This may explain the lack of popularity of the 920.

DrJay
06-08-2006, 09:30 PM
No doubt, the 805 is very popular. Seems like a fun processor. Still if your going to get a Netburst processor, 65nm tech is the way to go......unless, as you pointed out, price is a factor.
920 or 930D shouldn't be any more expensive than the 631 which was one of the choices.

CrazyXP1700
06-09-2006, 03:38 PM
Sparkie... the 805 is dead... thats why i got the 631

so far... i find the 805 was a little more zippy running all my stuff...
but some of my benchmarks have gone up quite abit without adjusting any voltages...

soo i dunno... 631 may be more benificial to users with limited voltage options..
.65nm sure likes to scale up faster

DrJay
06-10-2006, 07:42 AM
:D You named your 805? Hmmmm, I think I'll start naming my processors.