Bottlenecking?

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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  1. 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
  2. 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.
  3. 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
  4. 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?
  5. 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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