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Graphics cards, how do you tell whats good?

post #1 of 6
Thread Starter 
how come you can buy a 2GB graphics card for £40 but everyone will recommend the £100 1GB cards, how is the quality of a graphics cards measured and how do i know which to buy (i have £80 any suggestions)
thanks
post #2 of 6
What models? What brand?
 
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post #3 of 6
Memory storage is not the largest quantifier of performance. Most current games don't use more than 1 gig, so having 2 for those games would show absolutely no difference. Memory bandwidth is a different story, and has quite an impact on performance. Architecture is important. Most people will recommend a 1gb card over a 2gb card if the 2gb card is a generation older, because the older card will have less core units, shader units, and a lower clock. There are lots and lots of differences between cards, but the basic gist is this: Newer generation cards will have more processing power and memory bandwidth. These, for the moment, are more important than the quantity of memory storage. However, that won't be so for long. 1gb cards will soon be choking pretty bad on newer games as texture qualities go up.
    
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post #4 of 6
this is from tom's but it is mostly aaccurte in terms of how cards stack up in terms of gaming performance

http://www.tomshardware.com/reviews/gaming-graphics-card-review,3107-7.html
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post #5 of 6
Quote:
Originally Posted by Ganf View Post

Memory storage is not the largest quantifier of performance. Most current games don't use more than 1 gig, so having 2 for those games would show absolutely no difference. Memory bandwidth is a different story, and has quite an impact on performance. Architecture is important. Most people will recommend a 1gb card over a 2gb card if the 2gb card is a generation older, because the older card will have less core units, shader units, and a lower clock. There are lots and lots of differences between cards, but the basic gist is this: Newer generation cards will have more processing power and memory bandwidth. These, for the moment, are more important than the quantity of memory storage. However, that won't be so for long. 1gb cards will soon be choking pretty bad on newer games as texture qualities go up.

This, exactly. My brother's 1 GB 560ti is way better than say a 4 GB 9800GT, just because of the improvements in technology over time.


OP: What you want to do is look at the games that you plan on playing, compare the minimum system requirements, and choose a specific processor and graphics card as your starting point. Compare prices and specs from different retailers based on your budget.

If you want to find out what card is the best for your $, head on over to the graphics section of the forum and people there can help you out thumb.gif

Just like how 1 GB vs 2 GB is an almost meaningless measure of performance between different graphics cards, NVIDIA and AMD (formerly ATI) also have naming conventions that also aren't the best measure of performance either.

http://www.overclock.net/t/692616/nvidias-geforce-naming-scheme-explained-outdated/0_40
http://www.hardwaresecrets.com/article/132
http://www.hardwaresecrets.com/article/131
Edited by mingqi53 - 7/5/12 at 5:25pm
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post #6 of 6
All we know that 2GB or more are only important when you want run more that 2 or 3 monitors, but with a single monitor at 1900x1200 or 1900x1080 the important is the technology (model of GPU) instead of memory amount.
 
Ivy Bridge OC rig
(11 items)
 
Bulldozer rig
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CPUMotherboardGraphicsRAM
Phenom II X6 1090T Gigabyte 890FXA-UD5 MSI GTX 680 Lightning Crucial Ballistix Tracer 
Hard DriveHard DriveHard DriveOptical Drive
Crucial M4 Itachi Desktar Itachi Desktar LG 
CoolingCoolingCoolingCooling
EK Supreme HF Full Nickel Swiftech MCR-320QP Swiftech MCP655-D XSPC Reservoir 
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Windows 7 Professional SAMSUNG 2333 SW PLUS 23" 1920x1080 TT eSports Meka G1 Corsair 1200AX 
CaseMouseAudioOther
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CPUMotherboardGraphicsRAM
AMD AM3 and AM3+ line MSI 990FXA-GD65 A lot of nVidia GPUs Corsair Vengeance 
Hard DriveOptical DriveCoolingOS
Crucial RealSSD C300 None Extreme cooling Windows family 
MonitorKeyboardPowerCase
Samsung 2333 SW Plus Microsoft Wireless 3000 V2 Thermaltake TR2-RX 650W Modular A box in a desk :) 
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Microsoft Wireless 5000 
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Ivy Bridge OC rig
(11 items)
 
Bulldozer rig
(14 items)
 
CPUMotherboardGraphicsRAM
Phenom II X6 1090T Gigabyte 890FXA-UD5 MSI GTX 680 Lightning Crucial Ballistix Tracer 
Hard DriveHard DriveHard DriveOptical Drive
Crucial M4 Itachi Desktar Itachi Desktar LG 
CoolingCoolingCoolingCooling
EK Supreme HF Full Nickel Swiftech MCR-320QP Swiftech MCP655-D XSPC Reservoir 
OSMonitorKeyboardPower
Windows 7 Professional SAMSUNG 2333 SW PLUS 23" 1920x1080 TT eSports Meka G1 Corsair 1200AX 
CaseMouseAudioOther
Cooler Master HAF X TT eSports Saphira Creative Sound Blaster Recon3D Fatal1ty Profess... Plantronics GameCom 780 
CPUMotherboardGraphicsRAM
AMD AM3 and AM3+ line MSI 990FXA-GD65 A lot of nVidia GPUs Corsair Vengeance 
Hard DriveOptical DriveCoolingOS
Crucial RealSSD C300 None Extreme cooling Windows family 
MonitorKeyboardPowerCase
Samsung 2333 SW Plus Microsoft Wireless 3000 V2 Thermaltake TR2-RX 650W Modular A box in a desk :) 
Mouse
Microsoft Wireless 5000 
  hide details  
Reply
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