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Old 05-03-2012, 15:15   #1
Drakogian
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[Thread Ufficiale] AMD Radeon HD7870 - HD7850 - R9 270x - R9 270




AMD Radeon HD 7870 - HD 7850
Codename: Pitcairn (Southern Islands - 28nm)
THREAD UFFICIALE





1. Regole del thread:
  • Prima di postare leggere la prima pagina e le F.A.Q.
  • Non sono graditi commenti stile fanboy sia verso AMD sia verso NVidia.
  • Evitare o limitare al minimo gli argomenti OT... usate/comunicate attraverso i messaggi privati.
  • Per postare immagini usate la risoluzione 800X600 pixel max. Meglio ancora se usate le Thumbnail (anteprima).
  • Per inviare immagini vi consiglio: http://www.pctunerup.com/up/. Evitate //imageshack.us/index.php... lento e pieno di pubblicità.

2. Indice del thread:
  • Prima pagina: Regolamento - Specifiche 7870 - 7850 - Review, Test, News, ecc. - Foto - Video. Post:#1
  • Seconda pagina: Driver, Software, Utility, BIOS & Mood., Guide & Manuali. Post: #3
  • Terza pagina: F.A.Q. (domande frequenti). Post: #4
  • Quarta pagina: Schede in commercio, Dissipatori (ad aria e liquido). Post: #5
  • Quinta pagina: Overclock: Consigli utili - User Overclock List - HD 7870-7850 User Test. Post: #6
  • Sesta pagina: Altre caratterisiche delle 7870 & 7850.Post: #7
  • Settima pagina: HD 7850/7870: User test: 3DMark Vantage, Alien vs Predator, Unigine Heaven DirectX 11, 3DMark 11..Post: #9



Pitcairn - Architettura:







Diagramma a blocchi di Pitcairn






3. HD 7870 - Specifiche tecniche:

Lunghezza scheda (modello reference): 24,6 cm
Altre schede "custom" possono avere lunghezze differenti. Consultate i siti della varie marche per sapere se la lunghezza è adatta al vostro case.



AMD Radeon HD 7870 Specifications:
  • 28nm Pitcairn XT GPU using GCN
  • 1280 Stream Processors / 20 Compute Units
  • 2.8Bn transistors / 234mm2
  • 1GHz Engine Clock
  • 1200MHz (4.8Gbps) 2GB GDDR5 RAM
  • 256-bit Memory Bus
  • 153.6GB/s memory bandwidth
  • 80 Texture Units
  • 32 ROPS
  • 2ea 6-pin PCIe power inputs
  • DVI-DL + HDMI 1.4a (Fast HDMI supported) & 1 DisplayPort 1.2 outputs
  • DirectX 11.1 / OpenCL 1.2 / OpenGL 4.2 / C++ AMP
  • <3W idle (ZeroCore Power) / 180W typ. board power (PowerTune limit 215W)
  • $349USD SEP

Per le specifiche dettagliate leggere qui: http://www.amd.com/us/products/deskt...on-7870.aspx#3

4. HD 7850 - Specifiche tecniche:

Lunghezza scheda (modello reference): ... 24,6 cm
Altre schede "custom" possono avere lunghezze differenti. Consultate i siti della varie marche per sapere se la lunghezza è adatta al vostro case.


  • 28nm Pitcairn Pro GPU using GCN
  • 1024 Stream Processors / 16 Compute Units
  • 2.8Bn transistors / 234mm2
  • 860MHz Engine Clock
  • 1200MHz (4.8Gbps) 2GB GDDR5 RAM
  • 256-bit Memory Bus
  • 153.6GB/s memory bandwidth
  • 64 Texture Units
  • 32 ROPS
  • 1ea 6-pin PCIe power input
  • DVI-DL + HDMI 1.4a (Fast HDMI supported) & 1 DisplayPort 1.2 outputs
  • DirectX 11.1 / OpenCL 1.2 / OpenGL 4.2 / C++ AMP
  • <3W idle (ZeroCore Power) / 130W typ. board power (PowerTune limit 155W)
  • $249USD SEP

Per le specifiche dettagliate leggere qui: http://www.amd.com/us/products/deskt...on-7850.aspx#3

5. 7870 & 7850 a confronto:


Performance Summary



6. Recensioni Schede reference:

Anandtech: http://www.anandtech.com/show/5625/a...uthern-islands
Bits & Chps: http://www.bitsandchips.it/9-hardwar...l=&limitstart=
bit-tech: http://www.bit-tech.net/hardware/201...0-2gb-review/1 (7870)
ComputerBase: http://www.computerbase.de/artikel/g...itt_einleitung
Guru3D: http://www.guru3d.com/article/amd-ra...d-7870-review/
Guru3D: http://www.guru3d.com/article/radeon...rclock-guide/1 (7870 - Guida all'overclock)
HardwareCanucks: http://www.hardwarecanucks.com/forum...-review-5.html
HardwareHeaven: http://www.hardwareheaven.com/review...roduction.html
HardOCP :http://www.hardocp.com/article/2012/...o_card_review/
Hardware Secrets: http://www.hardwaresecrets.com/artic...ew-Review/1502 (7850)
Hardware Secrets: http://www.hardwaresecrets.com/artic...rd-Review/1501 (7870)
Hexus: http://hexus.net/tech/reviews/graphi...raphics-cards/
HotHardware: http://hothardware.com/Reviews/AMD-R...-GPU-Previews/
Hardware Upgrade: http://www.hwupgrade.it/articoli/skv...irn_index.html
HT4U: http://ht4u.net/reviews/2012/amd_rad...rn_xt_im_test/ (7870 - in tedesco)
Lab501: http://lab501.ro/placi-video/amd-rad...e-overclocking (MOD & overclock estremo 7870 - in rumeno)
Legit Reviews: http://www.legitreviews.com/article/1863/1/
PC Perspective: http://www.pcper.com/reviews/Graphic...itcairn-Review
Tom's hardware: http://www.tomshw.it/cont/articolo/a...e/36254/1.html
Rage3D: http://www.rage3d.com/reviews/video/...launch_review/
Techpowerup: http://www.techpowerup.com/reviews/AMD/HD_7850_HD_7870/
Techspot: http://www.techspot.com/review/504-a...eon-7870-7850/
TweakTown: http://www.tweaktown.com/reviews/459...ew/index1.html (7870)
TweakTown: http://www.tweaktown.com/reviews/459...iew/index.html (7850)
TweakTown: http://www.tweaktown.com/articles/45...ire/index.html(Crossfire 7870)
T-Break: http://tbreak.com/tech/2012/03/amd-r...d-7870-review/
Tech Report: http://techreport.com/articles.x/22573
Vortez: http://www.vortez.net/articles_pages...r5_review.html
vr-zone: http://vr-zone.com/articles/amd-rade...iew/15108.html
X-bit: http://www.xbitlabs.com/articles/gra...n-hd-7850.html
HW Legend: http://www.hwlegend.com/recensioni/a...ideo/2034.html


7. HD 7870: Review, Test, News, ecc...:

Asus HD 7870 DirectCU II: http://www.techpowerup.com/reviews/A..._Direct_Cu_II/
Asus HD 7870 DirectCU II: http://www.hardwareluxx.de/index.php...ii-top-v2.html (in tedesco)
Asus HD 7870 DirectCU II: http://www.ocaholic.ch/xoops/html/mo...el_lang=french
Asus HD 7870 DirectCU II TOP: http://www.hardocp.com/article/2012/..._ii_top_review
Club3D HD 7870 Royal Queen: http://www.hw-journal.de/index.php/t...70-royal-queen (in tedesco)
Club 3D HD 7870 jokerCard Tahiti LE: http://www.techpowerup.com/reviews/C...ard_Tahiti_LE/
Diamond HD 7870 Double Black Diamond: http://circuitremix.com/?q=content/d...ond-video-card
Diamond HD 7870 GHz Edition: http://www.pureoverclock.com/Review-...0-ghz-edition/
Gigabyte HD 7870 OC: http://www.guru3d.com/article/gigaby...70-oc-review/1
Gigabyte HD 7870 OC: http://aphnetworks.com/reviews/gigab...hd_7870_2gb_oc
HIS 7870 IceQ Turbo: http://www.tweaktown.com/reviews/461...iew/index.html
HIS 7870 IceQ Turbo: http://www.pureoverclock.com/article1459.html
HIS 7870 IceQ Turbo: http://www.anandtech.com/show/5691/t...lor-pcs-hd7870
HIS 7870 IceQ Turbo: http://benchmarkreviews.com/index.ph...=888&Itemid=72
HIS 7870 IceQ Turbo: http://www.legionhardware.com/articl...q_turbo,1.html
HIS 7870 IceQ Turbo: http://www.guru3d.com/article/his-ra...-turbo-review/
HIS 7870 IceQ Turbo: http://www.vortez.net/articles_pages...bo_review.html
HIS 7870 IceQ Turbo: http://www.kitguru.net/components/gr...urbo-x-review/
HIS 7870 IceQ Turbo: http://www.tweaktown.com/reviews/472...iew/index.html (Crossfire)
HIS 7870 IceQ Turbo: http://www.eteknix.com/reviews/graph...s-card-review/
HIS 7870 IceQ Turbo: http://www.hardwarelook.com/reviews/...iew_187_1.html
HIS 7870: http://www.funkykit.com/component/co...2gb-gddr5.html
HIS 7870: http://blog.testfreaks.com/review/re...on-video-card/
HIS 7870 IceQ X Turbo X: http://www.overclockers.com/his-7870-iceq-x-turbo-x
HIS 7870 IceQ X Turbo X: http://www.59hardware.net/dossier/ca...2512365/0.html (in francese)
HIS 7870 IceQ X Turbo X: http://www.eteknix.com/reviews/graph...graphics-card/
HIS 7870 IceQ X Turbo X: http://www.kitguru.net/components/gr...urbo-x-review/
MSI HD 7870 Twin Frozr III: http://www.techpowerup.com/reviews/M...70_Twin_Frozr/
MSI HD 7870 Twin Frozr III: http://www.overclockers.com/msi-r7870-twin-frozr
MSI HD 7870 Twin Frozr III: http://www.tweaktown.com/reviews/466...iew/index.html
MSI HD 7870 Twin Frozr III: http://www.vortez.net/articles_pages..._review,1.html
MSI HD 7870 Twin Frozr III: http://www.guru3d.com/article/msi-ra...iii-oc-review/
MSI Radeon HD 7870 HAWK: http://www.xtremehardware.com/recens...-201209147465/
MSI Radeon HD 7870 HAWK: http://www.techpowerup.com/reviews/MSI/HD_7870_HAWK/
MSI Radeon HD 7870 HAWK: http://www.guru3d.com/article/msi-ra...0-hawk-review/
MSI Radeon HD 7870 HAWK: http://www.tweaktown.com/reviews/470...iew/index.html
MSI Radeon HD 7870 HAWK: http://hwcol.com/analisis-msi-r7870-...ho-arroyo/2142 (in spagnolo)
MSI Radeon HD 7870 HAWK: http://translate.google.it/translate...70-hawk-review (rumeno - tradotto)
MSI Radeon HD 7870 HAWK: http://benchmarkreviews.com/index.ph...=934&Itemid=72
MSI Radeon HD 7870 HAWK: http://www.bjorn3d.com/2012/08/msi-r.../#.UCIlWaAWKKZ
PowerColor HD 7870 PCS+: http://www.techpowerup.com/reviews/P...lus_Vortex_II/
PowerColor PCS+ 7870 OC Edition: http://www.tweaktown.com/reviews/460...ew/index1.html
PowerColor PCS+ 7870 OC Edition: http://www.overclock3d.net/reviews/g...0_pcs_review/1
PowerColor PCS+ 7870 OC Edition: http://www.pureoverclock.com/article1458.html
PowerColor PCS+ 7870 OC Edition: http://ht4u.net/reviews/2012/powerco...pcs_plus_test/ (in tedesco)
PowerColor PCS+ 7870 OC Edition: http://www.anandtech.com/show/5691/t...lor-pcs-hd7870
PowerColor Radeon HD 7870 MYST Edition: http://www.tweaktown.com/reviews/512...iew/index.html
PowerColor Radeon HD 7870 MYST Edition: http://hardocp.com/article/2013/01/0...edition_review
Sapphire HD 7870: http://www.motherboards.org/review/s...and-benchmarks
Sapphire HD 7870 OC: http://www.kitguru.net/components/gr...dition-review/
Sapphire HD 7870 OC: http://www.xbitlabs.com/articles/gra...dition-oc.html
Sapphire HD 7870 OC: http://www.techarena.it/2012/04/10/s...zoprestazioni/
Sapphire HD 7870 OC: http://www.overclockers.com/sapphire...70-ghz-edition
Sapphire HD 7870 OC: http://www.tweaktown.com/reviews/466...ew/index1.html
Sapphire HD 7870 OC: http://hardocp.com/article/2012/04/2...eo_card_review
Sapphire HD 7870 OC: http://www.hardware-mag.de/artikel/g...on_oc_im_test/ (in tedesco)
Sapphire HD 7870 Flex Edition: http://www.techpowerup.com/reviews/S...70_Flex/1.html
Sapphire HD 7870 Flex Edition: http://www.hitechlegion.com/reviews/...edition-review
Sapphire HD 7870 Flex Edition: http://www.overclockersclub.com/revi...ire_7870_flex/
Sapphire HD 7870 Flex Edition: http://www.pureoverclock.com/article1530.html
Sapphire HD 7870 Flex Edition: http://www.techwarelabs.com/sapphire...-flex-edition/
Sapphire HD 7870 Flex Edition: http://lanoc.org/review/video-cards/...0-flex-edition
Sapphire HD 7870 XT: http://www.hardwareheaven.com/review...roduction.html
Sapphire HD 7870 XT: http://www.tweaktown.com/reviews/515...iew/index.html
Sapphire HD 7870 XT: http://www.bitsandchips.it/9-hardwar...entite-spoglie
VisonTek 7870: http://www.pureoverclock.com/article1501.html
VTX3D HD 7870 Black Edition: http://www.techpowerup.com/reviews/V...7870_XT_Black/
VTX3D HD 7870 Black Edition: http://www.kitguru.net/components/gr...iew-tahiti-le/
XFX HD7870 Black Edition: http://www.kitguru.net/components/gr...s-card-review/
XFX HD7870 Black Edition: http://ht4u.net/reviews/2012/xfx_rad..._edition_test/ (in tedesco)
XFX HD7870 Black Edition: http://techreport.com/articles.x/22705/1
XFX HD7870 Black Edition: http://ohiocity.us/review/video-card...ack-edition-oc
XFX HD7870 Black Edition: http://hexus.net/tech/reviews/graphi...n-overclocked/
XFX HD7870 Black Edition: http://www.tweaktown.com/reviews/463...iew/index.html
XFX HD7870 Black Edition: http://www.hardwareluxx.de/index.php...ten/22012.html (in tedesco)
XFX HD7870 Black Edition: http://www.overclockersclub.com/revi..._7870_7850_dd/
XFX HD7870 Black Edition: http://www.hardware-mag.de/artikel/g...rossfire_test/ (Crossfire - in tedesco)
XFX HD7870 Black Edition: http://www.pcper.com/reviews/Graphic...Kings-Midrange

Foto:





8. HD 7850: Review, Test, News, ecc...:

AMD HD 7850 1GB: http://ht4u.net/reviews/2012/amd_rad...7850_1gb_test/ (in tedesco)
Asus HD 7850 DirectCU II TOP: http://vr-zone.com/articles/asus-hd7...w/15243-4.html
Asus HD 7850 Direct CU II : http://tbreak.com/tech/2012/04/asus-...t-cuii-review/
Club3D HD 7850 RoyalKing: http://www.eteknix.com/reviews/graph...s-card-review/
Club3D HD 7850 Royal Queen 1 GB: http://www.techpowerup.com/reviews/C...50_RoyalQueen/
GIGABYTE HD 7850 OC WindForce x2: http://www.vortez.net/articles_pages..._review,1.html
HIS Radeon HD 7850: http://www.funkykit.com/component/co...2gb-gddr5.html
HIS Radeon HD 7850: http://blog.testfreaks.com/review/re...ie-video-card/
HIS Radeon HD 7850: http://www.overclockersonline.net/re...2gb-h785f2g2m/
HIS Radeon HD 7850: http://www.nikktech.com/main/article...50-icooler-2gb
HIS Radeon HD 7850 IceQ X Turbo: http://www.pureoverclock.com/article1516.html
HIS Radeon HD 7850 IceQ X TurboX: http://www.tweaktown.com/reviews/479...ew/index1.html (crossfire)
MSI R7850 Power Edition: http://www.guru3d.com/article/msi-ra...on-oc-review/1
MSI R7850 Power Edition: http://www.techpowerup.com/reviews/M...Power_Edition/
MSI R7850 Power Edition: http://www.tweaktown.com/reviews/472...iew/index.html
MSI R7850 Power Edition: http://tbreak.com/tech/2012/05/msi-r...dition-review/
MSI R7850 Power Edition: http://vr-zone.com/articles/msi-r785...iew/15921.html
MSI R7850 Power Edition: http://www.rwlabs.com/article.php?ca...3&pagenumber=1
MSI R7850 Power Edition: http://www.ninjalane.com/reviews/video/msi_7850_power
MSI R7850 Power Edition: http://www.bjorn3d.com/2012/09/msi-h.../#.UFxuZK5cjdU
PowerColor HD 7850: http://circuitremix.com/?q=content/p...2gb-video-card
PowerColor HD7850 PCS+: http://hexus.net/tech/reviews/graphi...or-pcs-hd7850/
PowerColor HD7850 PCS+: http://www.neoseeker.com/Articles/Ha...r_HD_7850_PCS/
PowerColor HD7850 PCS+: http://www.techpowerup.com/reviews/P...7850_PCS_Plus/
PowerColor HD7850 PCS+: http://ht4u.net/reviews/2012/powerco..._plus_im_test/ (in tedesco)
PowerColor HD7850 PCS+: http://pro-clockers.com/videocards/2...rd-review.html
Sapphire HD 7850 OC: http://www.hardwareheaven.com/review...roduction.html
Sapphire HD 7850 OC: http://www.hitechlegion.com/reviews/video-cards/17626
Sapphire HD 7850 OC: http://www.pureoverclock.com/article1456.html
Sapphire HD 7850 OC: http://www.eteknix.com/reviews/graph...s-card-review/
Sapphire HD 7850 OC: http://www.neoseeker.com/Articles/Ha...re_HD_7850_OC/
Sapphire HD 7850 OC: http://www.the-overclock-hole.it/rec...irn-morde.html
Sapphire HD 7850 OC: http://dungeondogz.blogspot.it/2012/...k-edition.html
Sapphire HD 7850 OC: http://www.tweaktown.com/reviews/485...iew/index.html
VisonTek 7850: http://www.pureoverclock.com/article1501.html
XFX HD 7850 Black Edition: http://www.hardwareheaven.com/review...roduction.html
XFX HD 7850 Black Edition: http://ht4u.net/reviews/2012/xfx_rad...ition_im_test/ (in tedesco)
XFX HD 7850 Black Edition: http://techreport.com/articles.x/22705/1
XFX HD 7850 Black Edition: http://ohiocity.us/review/video-card...ack-edition-oc
XFX HD 7850 Black Edition: http://www.hardwareluxx.de/index.php...ten/22012.html (in tedesco)
XFX HD 7850 Black Edition: http://www.fudzilla.com/home/item/26...ponent&print=1
XFX HD 7850 Black Edition: http://www.overclockersclub.com/revi..._7870_7850_dd/
XFX HD 7850 Black Edition: http://www.pcper.com/reviews/Graphic...Kings-Midrange
XFX HD 7850 Black Edition: http://www.tweaktown.com/reviews/476...iew/index.html
XFX HD 7850 Black Edition: http://www.legitreviews.com/article/1955/1/
XFX Radeon HD 7850 Core Edition: http://www.legitreviews.com/article/2048/1/

Foto:



Confronti:

Sapphire HD 7870 OC Edition vs XFX R7870 Black Edition DD Review
ASUS HD 7870 DCUII TOP vs. XFX R7870 Black Edition
MSI R7970 Lightning vs. R7870 Hawk
AMD Radeon HD 7850 / 7870 round-up (Nine graphics cards with AMD's Pitcairn GPU)


Tabella riassuntiva HD 7870:

Grazie al lavoro di R.O.N.I ecco riassunte in tabella le caratteristiche principali devarie 7870 in commercio ricavate dalle varie recensioni.





Da qui potete scaricare il pdf completo: http://www.mediafire.com/download.php?r7262dw20538xg1http://www.mediafire.com/download.php?p086arccxu1jmf7



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ASRock Z77 Extreme4 | Intel i5-3570K @4.4GHz - @1.212v | Corsair H100i | Corsair Vengeance 2x4GB DDR3 1600 MHz | SSD Samsung 830 256GB + 830 128GB | 2x500GB Sata2 WD | Sapphire HD7950 DualX | CORSAIR HX850W | LG IPS234V LED 23" | CM690 II Ad.
Thread: ATi Radeon HD 5850 - AMD Radeon HD 6870 - 6850 - 6790 - AMD Radeon HD 7870 - 7850

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