Videocard and Box Accessories : - support 4k resolution display -lrb- 4096 x 2160 through fast hdmus -rrb- or 4096 x 2160 -lrb- displayport -rrb- . the card ship with a fast hdmus cable , which mean it be ready for 4k display out of the box . - 1x minidisplay Port to Display-Port adapter -lrb- if you need to connect it to a Display Port LCD\/LED screen -rrb- - 1x hdmi-to-dvi adapter - 1x active MiniDisplay Port to DVI adapter -lrb- $ 30 value -rrb- -- this be require to drive 3 screen -lrb- 1920x1080p -rrb- in eyefinity out of the box . almost none of the other hd7970 ship with a active dp adapter . - 1x dvi-to-vga adapter - 1x crossfire connector - 1x 8-pin and 1x 6-pin power adapter - so this card will work even with older power supplies still use 2x6-pin PCI Express Connectors - videocard support dx11 .1 , which introduce target independent rasterization -lrb- tir -rrb- . this be suppose to accelerate 2d graphic desktop speed in Windows 8 -lrb- Google `` Microsoft detail Windows 8 's improve graphic performance '' - the card take up 2.5 slot as the cool shroud slightly protrude beyond 2 slot - length : 270mm for the PCB , ~ 286mm with the plastic fan shroud -lrb- 11.26 '' -rrb- Performance and temperature : - the card come factory clock at 950mhz bio 1 and 1000mhz bio 2 , with memory at 5700\/5800mhz , respectively . - my card have a asic of 71 % , with a stock voltage of 1.174 v - overclock on stock voltage to 1150mhz , VRM temperature in hwinfo64 never exceed 100 \* c at these setting - at 1150mhz @ 1.174 v , the GPU temperature hover between 71-76 \* c with fan speed vary from 51-63 % , respectively . at these level it be still very quiet for a high-end GPU . if you have a modern case with 2x120mm intake fan and say a 1x 230mm top exhaust fan , the heat be dump into you case should not be much of a issue . for smaller case with poor airflow , I would suggest a card with a blower fan design -lrb- although those be generally much louder -rrb- - this card be make on reference AMD PCB , which mean full voltage control for the GPU use CHIL voltage regulator -lrb- allow up to 1.300 v for the GPU and 1.65 v for the memory -rrb- - the Sapphire Dual-X have upgrade power circuitry from the reference card with a 5 +2 vrm setup vs. 5 +1 for a reference card . the -lrb- +2 -rrb- be allocate to memory , which be why these specific model have some of the highest memory overclock out of all the 7970 card on the market . - I be able to overclock the memory to 1800mhz on stock memory voltage of 1.6 v -lrb- default -rrb- - the memory cooling heatsink and vrm cooling make this one of the coolest run 7970s - at around 1150mhz gpu\/1800mhz memory , this card be as fast as a 1280-1290mhz gtx680 at 1080p and noticeably faster at 2560x1440\/1600 , but cost less - 3gb of VRAM be a bonus for mod -lrb- upcome GTA V , SKYRIM -rrb- - faster than gtx680 with msaa+m ax setting in Anno 2070 , Bulletstorm , Batman Arkham City , Serious Sam 3 , Witcher 2 , Crysis 2 , SKYRIM , Dirt 3 with latest Catalyst 12.7 beta driver - absolutely unbeatable performance for a single-gpu card in Crysis 1 , Crysis Warhead , Metro 2033 , Dirt Showdown , Alan Wake , Arma II \/ dayz mod -lrb- 2560x1600 4aa = hd7970 1050mhz 60 fp vs. 42 fp for gtx680 ! -rrb- driver : - use Catalyst 12.7 beta . no bsod , coil whine , or driver issue \/ come out of sleep problem to report . these may have exist in prior version when the card be first release in January GPU compute - at 1150mhz GPU , almost 400,000 boinc point in milkyway@home, up from 235,000 point on hd6970 . - 680 mhash\/sec in Bitcoin mining ~ 10-11 bitcoin a month -lrb- free $ $ $ on the side when not gaming -rrb- - winzip 16.5 compression\/decompression acceleration with opencl extension increase performance almost 2x over a $ 1000 Core i7-3960X . - single-precision performance of 4.71 tflop -lrb- 1150mhz gpu -rrb- vs. Nvidia 's K10 Tesla card that get 4.58 tflop -lrb- use 2x gk104 gpus -rrb- . NV K10 expect to cost -rrb- $ 2,000 - Double-Precision performance of 1.18 tflop -lrb- 1150mhz gpu -rrb- vs. Nvidia 's K20 Tesla card that be expect to get ~ 1 tflop -lrb- use gk110 -rrb- . NV K20 expect to cost -rrb- $ 3,000 in q4 2012 con : - at 1150mhz @ 1.174 v , this card will consume about 40-50w of power more than a gtx680 @ 1280-1290mhz . to I the GPU compute advantage be well worth the extra power consumption , but Kepler be still more efficient for gaming alone - I wish the copper heatpipe be nickel plate to slow down oxidation and the card have a backplate . minor personal gripe - the card be not make use the most premium high-c cap , dark choke that be present on other card such as PowerColor Vortex II and MSI Lightning . thus , there may be a chance of coil whine for some user - Performance be not as great as gtx680 in some frostbite 2.0 game : battlefield 3 , beta testing of medal of honor Warfighter - sometimes lack performance against gtx680 in less ` popular ' game : World of Planes , the secret world , TrackMania 2 , hard reset - hd7900 series can not enable they ZeroCore Power Idle save feature when connect to multiple screen additional overclocking Tips : - you may need to modify the MSI Afterburner . cfg file use Notepad to allow Unofficial Overclocking Mode 1 or 2 -lrb- if you want full ability to downclock the memory to 685mhz in idle -rrb- - in Sapphire Trixx , just keep move the slider past all the way to the limit for GPU and memory and it will keep unlock even faster speed -lrb- take I a while to figure that one out : -rrb- -rrb- you may want to disable ulp in Sapphire Trixx to aid in overclocking - there be a leak hd7970 GE Bios and some have try flash they Reference PCB card with it . the GE BIOS manually force the GPU voltage to 1.256 v at load vs. 1.162 \/ 1.174 v on the Sapphire Dual-X card . this be complete overkill especially if you do not plan on overclock beyond 1200mhz -lrb- i.e. , you 'll just add 40-50w of extra power consumption for no reason run the card at 1.256 v -rrb- . also , the xt1 revision card do not support the 50mhz GPU boost function of GE -lrb- xt2 -rrb- chip . so really I do not see any point in flash the bio to the GE version . other : - if you want to save some $ , MSI TwinFrorz III hd7950 be a great value now and can be find for $ 310-330 . I need the extra compute but for gaming alone a 1.1-1 .15 ghz hd7950 will even beat a gtx680 , negate much of the need to spend $ 100 + more on a hd7970 . - the Amazon card do not come with 3 free game voucher - Sapphire have just launch they vapor-x hd7970 ghz edition 3gb gddr5 card with vapor chamber and 1000mhz GPU clock -lrb- with 1050mhz GPU boost -rrb- . those should be available shortly . I buy this card a while back , but for those who do not , that be pretty much the successor to the Dual-X .