jerreddredd

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unfortunately no. a G series CPU (dual core) will be ok for single player, but for multi player you really should have a quad core.

the GTS 450 BF3 bench marks (low presets at 1080p)
http://www.tomshardware.com/reviews/geforce-gt-640-review,3214-3.html

forum about dual cores in BF3 multiplayer:
http://www.tomshardware.com/forum/336931-28-will-2100-battlefield-multiplayer

a gtx 460 or 560se or hd 7770/6770/6970 should get you high settings @ 1080p with AA/AF turned down.

suggest you look for a used AMD quad core AM3 phenom II x4 955, 965,975, 980 CPU wouldn't pay more than $60 for one
and a used older GPU from someone who has upgraded to a better card HD 6770/5770/5850/6850 or GTX 460 (none will get you ultra, but they should play on mostly high setting

Buy a new AM3+ MB like this one. it's cheap, but works.
http://www.mwave.com.au/sku-28010766-ASRock_880GM_LE_FX_Motherboard_AMD_Socket_AM3+_AMD_880G_&_SB710_Chipset_2x_D

or

you could buy a new AMD APU and MB and play on low settings until you save more money for a GPU
http://www.mwave.com.au/sku-19040213-AMD_A8_3870K_Unlocked_Quad_Core_Fusion_Desktop_APU_Black_Edition_3_0GHz_Llano_So
http://www.mwave.com.au/sku-28010768-ASRock_A55M_HVS_Motherboard_Socket_FM1_AMD_A55_Chipset_2x_DDR3_1866_1x_PCIe_x16_

BTW: what resolution is you monitor?

 

jerreddredd

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a couple of cards from eb@y that might be good for your budget and should run BF on med/high with AF/AA turned down.
HD 6770/5770 ($65-85 is a good price used)
this one is an auction
http://www.ebay.com.au/itm/HIS-HD-5770-1GB-128bit-GDDR5-PCIe-1080P-HDMI-DVI-Display-Port-/150859974009?pt=AU_Components&hash=item231ff48579#ht_500wt_1413
this one is a buy now with free shipping
http://www.ebay.com.au/itm/Gigabyte-Radeon-HD-6770-1GB-GDDR5-775MHz-HDMI-VideoCard-/261024264033?pt=AU_Components&hash=item3cc6422f61#ht_6761wt_905

HD 6850 (85-105 is a good used price)
http://www.ebay.com.au/itm/PowerColor-HD6850-1GB-GDDR5-/130735467679?pt=AU_Components&hash=item1e7070ec9f#ht_4417wt_1163

http://www.ebay.com.au/itm/Gigabyte-Radeon-hd-6850-oc-1g-/190706534020?pt=AU_Components&hash=item2c66fec684#ht_500wt_1413

these are much more powerful (all used) and will require a good 500w PSU they are also very long so check your case you need about 265-280 mm to fit one.

HD 5850 (100 is a good used price (these are old Tech, but the game pretty good)
http://www.ebay.com.au/itm/Powercolor-HD-5850-PCS-1GB-/230828285734?pt=AU_Components&hash=item35be701f26#ht_1086wt_1396

http://www.ebay.com.au/itm/SAPPHIRE-TOXIC-HD-5850-2GB-GDDR5-PCIE-Video-Card-GPU-/280927572233?pt=AU_Components&hash=item4168969109#ht_587wt_1396

http://www.ebay.com.au/itm/Used-ATI-Radeon-HD-5850-1G-/130732868266?pt=AU_Components&hash=item1e704942aa#ht_2053wt_1396

and a CPU to bid on (get for under a $100 its a steal)

http://www.ebay.com.au/itm/AMD-FX-4100-Quad-Core-3-6GHz-12MB-AM3-95W-Desktop-CPU-Beat-Phenom-840-955-965-/120955562431?pt=AU_Components&hash=item1c298369bf#ht_5393wt_1032
 

jakepf1

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i thought it would run because of this video http://www.youtube.com/watch?v=iyt6o-UvrrU
and my screen resolution is 1440 x 900
 

jakepf1

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jerreddredd

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smooth play requires minimum FPS 30 and most consider 40 the standard. this video was done on a more simple map without out a lot of players in the area. as soon as some action (very little) started the FPS dropped to 22-25. maps like back to karkland will tear up a g530. also the graphics where turned done so far it barely resembled BF3. Multiplayer BF3 is processor intensive. is will use more than 2 cores on the cpu.

my son plays on our HTPC dual core i3 2120, and says that Back to Karkland is playable, but he occasionally notices a slowdown, which doesn't happen on his i7 2600K gaming rig.

I think you might be able to get away with a G850 CPU ($90) it has a higher clock rate and the better memory controller to use 1333 mhz ram, but a quad core is really what you should get.

gaming at 1440 x 900 a HD 6670 or GTS 450 might be ok (1280 x 1024 is just about the same pixels as 1440x900) . The GTS 450 that was used in the benchmark was the Overclocked GDDR5 version which is much faster than the GDDR3 version that you linked above. in fact except for the GTX 640, all the cards are GDDR5 version in the benchmark. The important thing is the minimum FPS, above 30 is what you need.
http://www.tomshardware.com/reviews/geforce-gt-640-review,3214-3.html

I would bid on the HD5770 I linked in a previous post and see if you could get it cheap (under $85). then go after a cpu and MB with what money you have left. I would lean toward the FX 4100 as a good gaming quad core for the money.

could you list your ram, HDD, Power supply models and or links so I can advise compatibility.
 

jakepf1

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Sorry for the really long reply been busy but anyway
ram : 8 gig 1333mhz ddr3 kingston
500 gb hard drive
some 550 watt psu forgot brand sorry
 
here's some all new parts:

PCPartPicker part list / Price breakdown by merchant / Benchmarks

CPU: AMD A6-3670K 2.7GHz Quad-Core Processor ($105.00 @ Mwave Australia)
Motherboard: ASRock A55M-HVS Micro ATX FM1 Motherboard ($61.00 @ Mwave Australia)
Memory: AMD Entertainment Edition 4GB (1 x 4GB) DDR3-1333 Memory ($19.00 @ PCCaseGear)
Power Supply: Antec 350W ATX12V Power Supply ($35.00 @ Mwave Australia)
Total: $220.00
(Prices include shipping and discounts when available.)
(Generated by PCPartPicker 2012-07-26 21:43 EST+1000)

this, as is, will play bf3 on high at 720p. add a 6670, and BF3 is playable at 1600x900 as well
 

jerreddredd

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Show me how this is true? I've seen it played on a A8 3870K which a more powerful processor with a better Graphics engine. as soon as a battle started it dipped into the low 20's and started framing. On Medium and low its in the mid to high 20's up to 42 or so.

THG backs this up (this shows the A8 3870K and also the 6670 you mentioned barely cutting it on low presets also):
1024 x 768 low presets only get 29FPS min and 35 Avg. 720p has about 25% more pixles to move around.

http://www.tomshardware.com/reviews/pentium-g620-amd-a8-3870k-radeon-hd-6670,3140-8.html

this shows 6670 at 1600x1080 running 35-42 FPS on low presets.
http://www.tomshardware.com/reviews/geforce-gt-640-review,3214-3.html

this is the best Multi-player demo of a A3670K playing at 1024x768 with most everything on Med to low and hitting min FPS 19 and max at 30.

http://www.youtube.com/watch?v=4eGDQg8G2No

in addition to all this you suggest a single memory stick so that the system can't use dual channel memory, hampering the performance even more.

 
all I can say is tight budgets require compromises. the single 4 gb stick is only about a 5% loss in benchmark performance over dual channel -- given a 35fps in dual channel, youre looking at a loss of 0.7 fps. dual channel 4 GB was twice the price.

a 3670K can overclock to the 3.0 GHz of a stock 3870K on the stock fan. you wanted something playable under AU$200 .. and this will at least be playable. BF3 on low, sure, but Diablo III on ultra, GTA on high, CIV 5 on high, most MMOs on Medium/high, all at 720p or 900p.

at least I have a new PSU, new mobo/ram./APU, compared to the risk of someone's abused stiff off ebay
 

jerreddredd

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my point was that saying he could play on "High" at 720p is a stretching it a lot. I suggested an APU to the OP and to save up for a GPU. I also offered an alternative on eb@y since the OP was looking there anyway I would point out some items.

it seems the OP has 2x4 gb of ram already and a PSU (of unknown quality or brand) :eek: