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Bottlenecking?

Last response: in Graphics & Displays
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January 29, 2012 9:25:18 PM

I've had several people say i should go with a 6870 for my hp p6823w, but i've heard someone say that i'd be running into bottleneck issues. Is there any truth to this? what is the best card for my money? is it the 6870? - Will it be bottlenecking?

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January 29, 2012 9:28:52 PM

when i go to tiger direct to look at 6870, i get a huge list with a large range between prices. I'd like to know for sure which card to get, i don't understand why there is such a huge range in price for the same card. i here xfx and powercolor are good brands, but i don't know which model to get. Or whats cheapest/most effective for my computer
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a b U Graphics card
January 30, 2012 1:01:01 AM

Can you post your exact system specs? If you need help doing that let me know.

Its hard to figure out what parts to recommend with prebuilt systems because of the wide variety of parts they can stick in the same model.
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January 30, 2012 3:18:08 PM

gidgiddonihah said:
Can you post your exact system specs? If you need help doing that let me know.

Its hard to figure out what parts to recommend with prebuilt systems because of the wide variety of parts they can stick in the same model.



Product number
QN642AA
Introduction date
27-May-2011
Country/region sold in:

United States
Canada

Motherboard
N-Alvorix-RS880-uATX (Alvorix)
Figure 1: Motherboard top view
Image of motherboard

Manufacturer: Foxconn
Form factor: uATX
Chipset: AMD 785G
Memory sockets: 4 x DDR3
Front side bus speeds: 1333/1066/800MHz
Processor socket: AM3
Expansion Slots
1 PCI Express x16 slot for graphics card
3 PCI Express x1 slots
1 PCI Express x1 minicard slot
For more details, see Alvorix motherboard specifications .

Processor
AMD Phenom II X2 521
Figure 2: AMD Phenom II X2 logo
Image of AMD logo

Operating speed: Up to 3.5 GHz
Number of cores: 2
Socket: AM3
Bus speed: 4000 MHz HT3
TDP: 65W

Processor upgrade information

Max TDP: 95W
Motherboard supports the following processor upgrades:
NOTE: Only Socket AM3 processors are supported with this motherboard.
AMD Phenom II X6 10xxT Six-Core (Thuban core)
AMD Phenom II X4 9xx/9xxe/8xx Quad-Core (Deneb core)
AMD Phenom II X3 7xx/7xxe Triple-Core (Heka core)
AMD Phenom II X2 5xx (Callisto core)
AMD Athlon X4 6xx/6xxe (Propus)
AMD Athlon X3 4xx/4xxe (Rana)
AMD Athlon X2 2xx/2xxe (Regor)
AMD Sempron Single Core 1xx (Sargas core)

Memory
4 GB

Amount: 4 GB
Speed: PC3-10600 MB/sec (message as PC3-8500)
Type: DDR3-1333

Memory upgrade information

Dual channel memory architecture
Four DDR3 DIMMs (240-pin) sockets
PC3-8500 (DDR3-1066)
PC3-10600 (DDR3-1333)
Non-ECC memory only, unbuffered
Supports 1GB, 2GB, and 4GB DDR3 DIMMs
Supports up to 16 GB on 64-bit systems
Supports up to 4 GB on 32-bit PCs
*32-bit PCs cannot address a full 4.0 GB of memory.

Video graphics
Integrated graphics using ATI Radeon 4200
*Integrated video is not available if a graphics card is installed.

Integrated graphics using ATI Radeon 4200
Integrated graphics: concurrent use of the DVI and VGA ports is supported.
Also supports PCI Express x16 graphics cards*

NOTE: *Either integrated graphics or the PCI Express x16 slot are usable at one time; they are not usable concurrently.
Sound/Audio
Integrated ALC888S-VD audio
*Integrated audio is not available if a sound card is installed.

Audio CODEC: ALC888S-VD
Number of channels: 8
Maximum sample rate: up to 192,000 Hz
Supports one SPDIF digital connection

Networking
LAN: 10-Base-T

Technology: PCI Realtek RTL8105E
Data transfer speeds: up to 10/100 Mb/s
Transmission standards:10-Base-T Ethernet

Hard drive
1 TB

Size: 1 TB
Interface: SATA
Transfer rating: 3.0 Gb/sec
Rotational Speed: 7200 RPM

CD/DVD disc drive
SuperMulti DVD Burner drive
Figure 3: Optical drive
Image of the optical drive

Interface: SATA
Data buffer memory: 2 MB minimum
Disc diameter: 120 mm
Write and read speeds for supported formats and disc types are shown in this table:

Formats/Disc types Write speeds Read speeds Storage capacity
DVD
DVD-ROM SL NA up to 16x up to 4.7 GB
DVD-ROM DL NA up to 8X up to 8.5 GB
DVD+R SL up to 16x up to 12X up to 4.7 GB
DVD+R DL up to 12x up to 8x up to 8.5 GB
DVD+RW SL up to 8x up to 8x up to 4.7 GB
DVD+RW DL not supported
DVD-R SL up to 16x up to 12x up to 4.7 GB
DVD-R DL up to 12x up to 8x up to 8.5 GB
DVD-RW SL up to 6x up to 8x up to 4.7 GB
DVD-RW DL not supported
DVD-RAM up to 12x up to 12x 4.7 GB
CD
CDROM NA up to 40X up to 700 MB
CDR up to 40X up to 40X up to 700 MB
CDRW up to 32X up to 32X up to 700 MB
CD-DA NA up to 32X up to 700 MB
Video CD NA up to 16X up to 700 MB
Memory Card Reader
15-in-1 multimedia card reader
Figure 4: View of memory card reader
Image of card reader
Supports the following cards:

Compact Flash I
Compact Flash II
IBM Microdrive (MD)
Memory Stick (MS)
Memory Stick Duo (Duo)
Memory Stick Pro (PRO)
Memory Stick Pro Duo (Pro Duo)
MultiMediaCard (MMC)
MultiMediaCard Mobile (MMC mobile)
MultiMediaCard Plus (MMC plus)
Reduced size MultiMediaCard (RS-MMC)
Secure Digital (SD)
Secure Digital miniSD (Mini)
Smart Media
xD Picture Card (xD)

Computer Case
Mid-size ATX

Height: 38.7 cm (15.23 inches)
Width: 17.5 cm (6.89 inches)
Length: 41.4 cm (16.29 inches)

Bay size Total Bays*
13.33 cm (5.25 inch) 2
8.89 cm (3.5 inch) 3
* Bays may be occupied by existing hardware.
Power Supply
Internal 250W (100-240V)

Form factor: internal ATX
Total Wattage: 250W
Nominal input voltage range:
100-127V ~6A
200-240V ~3A
Dimensions: 150mm x 140mm x 86mm (5.9 x 5.5 x 3.4 inches)

I/O Ports
Front I/O ports

USB: 2
Headphone: 1
Microphone: 1

Back I/O ports
Figure 5: Back I/O panel
1 - One electrical S/PDIF Output
2 - One VGA port
3 - Four USB 2.0 ports
4 - One RJ45 10/100 Mb/s LAN
5 - Center/Subwoofer-out (yellow - orange)
6 - Rear speaker-out (black)
7 - Line-in (light blue)
8 - Line-out (lime)
9 - Mic-in (pink)
10 - Side speaker-out (gray)
11 - One DVI-D port
Photograph of the ports on the back panel
Keyboard, mouse and input devices
HP USB keyboard
Figure 6: Top view of keyboard
Image of keyboard

Interface: USB
Cable length: 1.33 m (4 feet, 4 inches)
Dimensions:
Height: 27 mm (1.1 inch)
Width: 147.6 mm (5.8 inches)
Length: 456 mm (18 inches)
Special buttons*:
Volume up
Volume down
Mute
* Buttons are not configurable
Extended Key:
Sleep

HP USB optical mouse
Figure 7: Top view of mouse
Image of mouse

Interface: USB
Cable length: 1.8 m (6 feet)
Buttons: left, right, and clickable scroll wheel

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January 30, 2012 3:20:51 PM

I need help being able to tell if a 6870, would be adequate or if its too much i'd like to know how to check. Someone said i'd run into bottlenecking issues with the 6870 i want to add in, but I don't know if thats just a speculation or an actual fact, how can i check?
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January 30, 2012 5:20:44 PM

Let me post when I get home.

(Edit) This is a double thread. Can a moderator merge his two threads?

And please try to keep posts down to one thread if possible and not repeat questions...

With your CPU it would be hard to recommend anything higher than the 6870.
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