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Question about CrossFire

Samppa221
By Samppa221
in Graphics Cards
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Go to solution Solved by Glenwing,

I have heard that you can crossfire r9 series cards with some Radeon Hd series cards so which card could i crossfire with a r9 280 

 

The R9 280 will crossfire with a 280X, HD 7950, or HD 7970.

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I have heard that you can crossfire r9 series cards with some Radeon Hd series cards so which card could i crossfire with a r9 280 

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CPU: i7-5820k @ 4.4GHz Motherboard: Asus X99 Strix  Graphics Card: Gigabyte 980Ti G1 Gaming Memory: Kingston HyperX Fury 24GB (3x 8GB) Hard Drive: 1TB WD Green SSD: Samsung 950 Pro 250GB CPU Cooling: Corsair H100i Power Supply: EVGA G2 850W Case: Corsair 400c Mouse: Logitech G502 Keyboard: Asus Strix (mx reds)  Monitor: BenQ XL2730Z 1440p@144hz OS: Windows 10 Professional 64-Bit Laptops: Lenovo Y50-70: i7-4720HQ - 16GB RAM - 256GB SSD - GTX 960m 4GB - MacBook Pro (Early 2016) 2,0GHz i5 - 8GB Ram - 256GB SSD Phone: iPhone 7+

 

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I have heard that you can crossfire r9 series cards with some Radeon Hd series cards so which card could i crossfire with a r9 280 

 

The R9 280 will crossfire with a 280X, HD 7950, or HD 7970.

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The R9 280 will crossfire with a 280X, HD 7950, or HD 7970.

280 and 7970? Doesn't that involve bios flashing and such?

Archangel (Desktop) CPU: i5 4590 GPU:Asus R9 280  3GB RAM:HyperX Beast 2x4GBPSU:SeaSonic S12G 750W Mobo:GA-H97m-HD3 Case:CM Silencio 650 Storage:1 TB WD Red
Celestial (Laptop 1) CPU:i7 4720HQ GPU:GTX 860M 4GB RAM:2x4GB SK Hynix DDR3Storage: 250GB 850 EVO Model:Lenovo Y50-70
Seraph (Laptop 2) CPU:i7 6700HQ GPU:GTX 970M 3GB RAM:2x8GB DDR4Storage: 256GB Samsung 951 + 1TB Toshiba HDD Model:Asus GL502VT
Windows 10 is now MSX! - http://linustechtips.com/main/topic/440190-can-we-start-calling-windows-10/page-6

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280 and 7970? Doesn't that involve bios flashing and such?

 

No, they're all based on the Tahiti GPU, you don't need to trick them into being the same card since CrossFire is more flexible than SLI.

Forum Rules   |   Guide to Display Cables / Adapters

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No, they're all based on the Tahiti GPU, you don't need to trick them into being the same card since CrossFire is more flexible than SLI.

Really? Wow, I always thought you'd still need identical cores, not just architecture.

Archangel (Desktop) CPU: i5 4590 GPU:Asus R9 280  3GB RAM:HyperX Beast 2x4GBPSU:SeaSonic S12G 750W Mobo:GA-H97m-HD3 Case:CM Silencio 650 Storage:1 TB WD Red
Celestial (Laptop 1) CPU:i7 4720HQ GPU:GTX 860M 4GB RAM:2x4GB SK Hynix DDR3Storage: 250GB 850 EVO Model:Lenovo Y50-70
Seraph (Laptop 2) CPU:i7 6700HQ GPU:GTX 970M 3GB RAM:2x8GB DDR4Storage: 256GB Samsung 951 + 1TB Toshiba HDD Model:Asus GL502VT
Windows 10 is now MSX! - http://linustechtips.com/main/topic/440190-can-we-start-calling-windows-10/page-6

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Really? Wow, I always thought you'd still need identical cores, not just architecture.

 

Nope. A 7970 will operate in "7950 mode" when in CF with a 7950 though, with 256 cores disabled.

Forum Rules   |   Guide to Display Cables / Adapters

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Nope. A 7970 will operate in "7950 mode" when in CF with a 7950 though, with 256 cores disabled.

I see. Thanks for the heads-up! ^_^

Archangel (Desktop) CPU: i5 4590 GPU:Asus R9 280  3GB RAM:HyperX Beast 2x4GBPSU:SeaSonic S12G 750W Mobo:GA-H97m-HD3 Case:CM Silencio 650 Storage:1 TB WD Red
Celestial (Laptop 1) CPU:i7 4720HQ GPU:GTX 860M 4GB RAM:2x4GB SK Hynix DDR3Storage: 250GB 850 EVO Model:Lenovo Y50-70
Seraph (Laptop 2) CPU:i7 6700HQ GPU:GTX 970M 3GB RAM:2x8GB DDR4Storage: 256GB Samsung 951 + 1TB Toshiba HDD Model:Asus GL502VT
Windows 10 is now MSX! - http://linustechtips.com/main/topic/440190-can-we-start-calling-windows-10/page-6

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