HELP sir, Can my GPU crossfire with no crossfire bridge version?

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agungmupu

Oct 1, 2018
3
0
10
Hello...
I want to ask you something, I'm from Indonesia, I'm sorry if my language isn't good, I use Google Translate to communicate

I want to make Mutli VGA with Crossfire, I have an Asus HD7850 1GB GPU with no crossfire bridge
image:
https://www.aliexpress.com/item/ASUS-Video-Card-HD7850-1GB-256Bit-GDDR5-Graphics-Cards-for-ATI-Radeon-HD-7850-VGA-Cards/32895216510.html

that i saw on
https://support.amd.com/en-us/kb-articles/Pages/Crossfire-Chart.aspx
for hd7850 must use crossfire bridge

then what I want to ask is I can use this VGA for crossfire? if possible do I have to buy another hd7850 vga with the same model or who has a crossfire bridge

help me need an answer
Thank you

Best regards
 
Solution
guanyu210379
1. You will need that bridge for the XFire
2. Your mainboard seems to be able to support XFire
3. Your HD7850 should be able to be used in XFire, if you have the bridge
4. Your 500W PSU should not be strong enough for 2x HD7850s. Simbadda is not among the trusted brand. Trust me, I know it!
5. A simple GTX1050ti or 1060 3GB should be already faster than or the same as 2xHD7850s in average.

Bad things about XFire and SLI:
- not all games support multi-GPU setup.
- performance scaling is game dependent. 2xGPU is not 2x FPS.
- could have potential issues e.g. micro stutters, etc.
- consumes 2x electricity for the GPUs. Watch out for your electrical bills!
Note: XFire and SLI does not add VRAM

All in all,
it is barely worth it to do SLI...
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Phaaze88

Phaaze88

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Dec 30, 2016
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You do need the bridge, but before any of that, your motherboard needs to be crossfire capable(usually listed in the specs) and at least a good quality 600w power supply is needed.

A single, newer card, like the GTX 1050, would blow that combination away anyways...
 
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A

agungmupu

Oct 1, 2018
3
0
10
thank you for your answer,

so can't i use this vga for crossfire?

I will notify my PC spec if needed

mb Gigabyte GA-Z77P-D3
procie i5 2500
Asus HD7850 GPU 1GB
RAM 2x4GB Venom RX
hd 1t wd
psu 500w simbbada

I want to find out first before upgrading sir
 
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Phaaze88

Phaaze88

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Dec 30, 2016
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That board is indeed CF capable: https://www.gigabyte.com/Motherboard/GA-Z77P-D3-rev-11#ov
But again, a single newer card would still outperform such a combo without you needing to replace your psu(assuming you haven't had it for more than 5 years). They degrade over time, and I've never heard of that brand before(though that doesn't amount to much).

Is there a particular reason for wanting to do a Mgpu setup? At the very least, the possible gains(Mgpu isn't widely supported) aren't going to be worth the overall higher temps in your case, as well as a higher electric bill.
 
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guanyu210379

guanyu210379

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Mar 30, 2007
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1. You will need that bridge for the XFire
2. Your mainboard seems to be able to support XFire
3. Your HD7850 should be able to be used in XFire, if you have the bridge
4. Your 500W PSU should not be strong enough for 2x HD7850s. Simbadda is not among the trusted brand. Trust me, I know it!
5. A simple GTX1050ti or 1060 3GB should be already faster than or the same as 2xHD7850s in average.

Bad things about XFire and SLI:
- not all games support multi-GPU setup.
- performance scaling is game dependent. 2xGPU is not 2x FPS.
- could have potential issues e.g. micro stutters, etc.
- consumes 2x electricity for the GPUs. Watch out for your electrical bills!
Note: XFire and SLI does not add VRAM

All in all,
it is barely worth it to do SLI or XFire on vast majority of cases, especially for old or weak GPUs.
 
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