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4870x2 only 1gb of memory found?

post #1 of 7
Thread Starter 
did a benchmark for crysis warhead and it gave me this

Operating system: Windows Vista (TM) Ultimate
System memory: 2.0 GB
CPU: Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz
CPU speed: 3000 MHz
Graphics card: ATI Radeon HD 4870 X2 - 1024 MB
Benchmark information
Demo: Airfield 2
Quality: Very High (tweaked)
Renderer mode: DirectX 10
Antialising mode: Off
Filtering mode: None
MultiGPU support: Enabled
Boost renderer: Disabled
Use Custom Config File: No
Random .exe: Disabled

says my card only has 1gb of memory please explain
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post #2 of 7
Because of how crossfire works, only 1Gb of memory is actually usable.

The 4870x2 has 2Gb of physical memory, 1Gb per GPU.
post #3 of 7
Yep, and how stupid is that!

Same with SLI, two 1GB cards but only 1GB usable.

Thats something they really need to fix.
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post #4 of 7
Quote:
Originally Posted by The_Rocker View Post
Yep, and how stupid is that!

Same with SLI, two 1GB cards but only 1GB usable.

Thats something they really need to fix.
It still uses 2gb it only reads as 1gb because it only reads one GPU.
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post #5 of 7
Thread Starter 
OMG that is so stupid

is the new patch that ATI is releasing gonna fix it

think it's called sideport
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post #6 of 7
Quote:
Originally Posted by intel ftw View Post
OMG that is so stupid

is the new patch that ATI is releasing gonna fix it

think it's called sideport
There's nothing to patch or fix... that's just how it works. The memory from one GPU is mirrored onto the other.

Sideport is an additional connection between the GPUs that allow an extra 5 GB/s.
post #7 of 7
Quote:
Originally Posted by intel ftw View Post
OMG that is so stupid

is the new patch that ATI is releasing gonna fix it

think it's called sideport
that's just how it works ....go figure........and yea i really wanna see what this sideport is all about and will it give actual real-world performance increase
    
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CPUMotherboardGraphicsRAM
X5680@4.8GHz 192x25x1.47v EVGA X58 Classified(E759) EVGA GTX980 Ti SLI @1515/8400 6x4GB GSkill Ripjaws@1540 8-8-8-20-2T-1.55v 
Hard DriveHard DriveHard DriveCooling
Corsair Force GT 120GB/OS Corsair Force LS 60GB/PAGE Toshiba 4TB/GAMES CPU-EK Supremacy 
CoolingCoolingCoolingCooling
MB-EK FB Classified GPU-EK FC TitanX/Backplates Rad-Swiftech 360mm MCR-320/Pump Rad-Barrow 280mm 
CoolingCoolingCoolingOS
Ram-Corsair 2x60mm Resevoir-Barrow 250x50mm Misc-6x120mm/2x140mm/NZXT Sentry,Barrow 3/8 fit... Windows 10 Pro x64 
MonitorKeyboardPowerCase
Seiki 50'' 3840x2160 30hz Logitech G110 EVGA Supernova G2 1300 Lian Li PC-A77F 
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