55nm GPUs od AMD/ATi: R680, RV670, RV660, RV635, RV620

[DMC_Zmysel]

To ze karta bude stat 200USD podla mna len zavazdaju aby ludia pockali na jej vydanie, ked karta vyjde bude jej cena umerna voci vykonu 8800GT a pomer cena vykon bude rovnaky, a bude rozhodovat lepsia dostupnost, co vraj ma ati vyriesit. No uvidime.

[crux2005]

AMD Platform Launch Imminent, RV670 Details Solidified

AMD's current launch date for its next-generation desktop processor, Phenom, its next-generation desktop chipset, RD790, and its next-generation graphics processor, RV670, is tenatively set for November 19, 2007. [...] The lower-end Radeon HD 3850 will only feature 256MB of onboard GDDR3 running at 825 MHz, and a core frequency of at least 660 MHz.

Higher-end Radeon HD 3870 will feature GDDR4 instead of GDDR3 while using the same RV670 core found on HD 3850. This GDDR4 memory is clocked at 1.2 GHz, and the core frequency is bumped to 775 MHz. The GDDR3 version of HD 3870 will feature the same core frequency as the GDDR4 card, but comes standard with lower frequency GDDR3 instead of GDDR4 to target a better price point.

The red flag is that Radeon HD 3850 touts exactly the same features found on the 80nm Radeon HD 2900 design with the exception of reduced GDDR3 memory. HD 3850 will reduce the thermal envelope when compared to the previous generation, but performance should be nearly identical to Radeon HD 2900.

Radeon HD 3870, on the other hand, is an ambitious bump from the older generation. The 775 MHz core frequency represents more than a 100 MHz increase, while the memory receives a 400 MHz gift over R600's GDDR4 implementation. [...]

[crux2005]

Sapphire Radeon 3800 Series

Product Spec
320 stream processing units
PCI Express 2.0 x16 bus interface
256-bit GDDR4 memory interface
512-bit Ring Bus Memory Controller
Microsoft® DirectX® 10.1 support
Up to 24x Custom Filter Anti-Aliasing (CFAA) for improved quality
ATI PowerPlay™
ATI CrossFireX™ Multi-GPU Technology
Integrated HD audio controller with multi-channel (5.1) AC3 support
ATI Avivo™ HD Video and Display Platform

---------------------------------------------------

R680 is faster than 8800 Ultra
Can the driver keep up?

AMD HD3800 pricing shock follows down-clock call
Clock brings pricing down

[Netus]

Sorry crux ale mozes mi to dole prelozit . Znamena to, ze 3870-ka je rychlejsia ako 8800 Ultra????

[crux2005]

pokial myslis "R680 is faster than 8800 Ultra" tak nie, lebo R680 nie je pouzity na Radeonoch HD 3870

[beardie]

R680 = 2 * RV670

bolo by blbe keby rychlejsia ako ultra nebola

[Netus]

Ja viem, ale Ati uz nie je to co bolo niekedy (X1950 napr.). Tak sa moze stat, ze aj 2 jadra Ati nemusia stacit na 8800 Ultra. Ale samozrejme nechcem aby to tak dopadlo ako s R600.....Neverim tomu

[crux2005]

R680 = 2 * RV670

bolo by blbe keby rychlejsia ako ultra nebola

to sa nevie

mozno R680 ani neexistuje a ide len o umyselne zavadzanie a zistovanie, kto leakuje informacie

[Orcusak]

HD3870 s drahymi 512MB GDDR4 za 250€? http://www.fudzilla.com/index.php?optio ... &Itemid=34
To radsej 8800GT...

[crux2005]

aj GeForce 8800GT sa objavila pred oficialnym vydanim v urcitych internetovych shopoch za 800 Euro

pockajme si na konecne ceny
----------------------------------------------

This is what will sell as Radeon HD 3850:

55nm RV670PRO GPU at 668 MHz (why not 666?)
256MB GDDR3 memory at 828 MHz DDR (1.66 GT(/s)
10.69 GPixel/s fillrate
52.99 GB/s memory bandwidth
320 Unified Stream Processors
24x Custom Filter Anti-Aliasing support
ATI Avivo HD
ATI PowerPlay power saving technology
Game Physics processing capability (this belongs to fairy tale land, but you know – marketing...)
HDMI support

As far as higher performing part, the 3870 is considered, specs are following:

55nm RV670XT GPU clocked to 775 MHz
512MB GDDR4 memory clocked at 1.2 GHz DDR (2.4 GT/s)
12.40 GPixel/s fill-rate
76.80 GB/s memory bandwidth
320 Unified Stream Processors
24x Custom Filter Anti-Aliasing support
55nm process
ATI Avivo HD
ATI PowerPlay power saving technology
Game Physics processing capability
HDMI support

http://www.theinquirer.net/gb/ ... -pricing-shock

HD3870 -> 105W
HD3850 -> 95W

a vznikol aj odhad vykonu:

HD3870 -> 110%
HD2900XT -> 100%
HD3850 -> 87%

Link

[crux2005]

Gigabyte's RV670 pictured, own design:



http://www.fudzilla.com/index.php?optio ... &Itemid=34

[beardie]

kedze sa uz objavili informacie, ze sa zacinaju R680 testovat (takze uz maju funkcne PCB), tak nepredpokladam ze by to bol fake

inak sa priamo nuka vyrobit gemini style RV670 kvoli nizkej spotrebe a ?vysokej? vytaznosti

[fobos]

AMD RV670 presentation leaked









Zdroj

[crux2005]

--------------------------------------------------------------

Radeon HD3800 series launches on the 14th

AMD Considers New High-End Graphics Product Announcement at CES – Sources.
ATI R680 Set for Retail After Consumer Electronics Show, Not in 2007

[Ryko]

Uz sa neviem dockat na realne vykony HD3850... a na ich porovnanie s mojou HD2900Pro...

Len trosku nechapem, preco na tak vykonnu grafiku ako 3850 davaju len 256MB pamat... dufam, ze vyrobcovia zapracuju a budu ponukat aj verzie s 512MB RAM...