
Radeon HD 3870

Radeon HD 3850
Zoznam recenzii:
• AMD/ATi Radeon HD 3870 (CrossFire) @ pretaktovanie.sk
• Review Radeon HD 3870 @ LegionHardware.com
• Kurztest: ATi Radeon HD 3870 (RV670) @ CB.de
• PCGH-Test: Radeon HD3870 und HD3850 gegen GF8800 GT
• PowerColor HD3850 Xtreme: AMD im Aufwind? @ technic3d.com
• Radeon HD 3850 Xtreme von PowerColor @ hartware.de
• PowerColor Radeon HD 3850 Xtreme 512MB @ hardwarezone.com
• AMD ATI Radeon 3850 & 3870 @ guru3d.com
• AMD Radeon HD 3850 [RV670] @ hardtecs4u.com
• ASUS Radeon HD 3870 512MB G-DDR4 @ TweakTown.com
• AMD Radeon HD3850 and HD3870 - AMD's salvation? Introducing the RV670! @ Vr-Zone
• AMD Radeon HD 3870 and HD 3850 Review - RV670 at 55nm @ pcper.com
• ATI Radeon HD 3870 & 3850: A Return to Competition @ Anandtech.com
• ATI Radeon HD 3870 and 3850: 55nm RV670 @ HotHardware.com
• HIS Radeon HD3870 Review & Crossfire Performance Preview @ HardwareCanucks.com
• AMD fights back with RV670 - PowerColor Radeon HD 3850 Xtreme 512MB review @ EliteBastards.com
• AMD Radeon HD 3870: the new midrange DX10 king? @ Hexus.net
• AMD Radeon HD 3870/3850 Performance Preview @ FiringSquad.com
• ATI Radeon HD 3800 Series @ [H] Enthusiast.com
• AMD's Radeon HD 3850 and 3870 graphics cards @ TechReport.com

Technicke parametre:
Nazvy grafickych kariet:
• Radeon HD 3850
• Radeon HD 3870
GPU:
• oznacenie jadra: RV670
• velkost jadra: 192mm²
• vyrobny proces: 55nm
• Pocet tranzistorov: 666 miliónov
Vypoctove jednotky:
• 64 Vec5-ALUs (~320 SPs MADD)
• 32 TAs, 16 bi-TMUs
• 16 ROPs
• 256-bit externa zbernica
Radeon HD 3850:
256/512MiB GDDR3
Radeon HD 3870:
512MiB GDDR4
Pracovne frekvencie:
HD 3870:
• TMU/ROPs: 775MHz
• Shader core: 775MHz
• Pamat Vram: 1125MHz
HD 3850:
• TMU/ROPs: 670MHz
• Shader core: 670MHz
• Pamat Vram: 830MHz
Teoreticke peak hodnoty:
HD 3850:
• Pixelfillrate: 10720 MPix/s
• Texelfillrate: 10720 MTex/s
• Aritmeticky vykon: MADD -> 429 GFLOPs
• Priepustnost pamate: 53,1 GB/s
HD 3870:
• Pixelfillrate: 12400 MPix/s
• Texelfillrate: 12400 MTex/s
• Aritmeticky vykon: MADD -> 496 GFLOPs
• Priepustnost pamate: 72 GB/s
8800 GT:
• Pixelfillrate: 9600 MPix/s
• Texelfillrate: 33600 MTex/s
• Aritmeticky vykon: MADD -> 336 GFLOPs, MADD+MUL -> 504 GFLOPs
• Priepustnost pamate: 57,6 GB/s
Porovnanie s inymi kartami