AMD 40nm RV740 with GDDR5 Coming
Source: Tom's Hardware US – Keywords: RV740, HD4830, GDDR5 Category : Graphics Cards
AMD could have a monster midrange card on the horizon. According to sources, RV740 may be a 40nm process shrink of RV770LE - the currently available HD 4830.
Sources received information claiming that RV740 will have 640 stream processors, 32 texture units and 16 render back-ends, just like the HD4830.
On the memory side, things have changed. The memory is expected to be 900MHz GDDR5 (3600MHz effective) for the highest-end card using the RV740 GPU, utilizing a 128-bit memory interface instead of a 256-bit interface running at 900MHz GDDR3 (1800Mhz effective).
Power consumption will be significantly lower than that of RV770LE due to the 40nm process. At the same time, performance should be slightly higher than the HD4830, but not quite up to the level of the HD4850.
Sources indicate that the price of the card will be under $100 (USD).
| GPU | RV740 | RV770LE |
|---|---|---|
| Model Name | TBD | Radeon HD 4830 |
| Process | 40nm | 55nm |
| Stream Processors | 640 | 640 |
| Core Clock | TBD | 575MHz |
| Memory Clock (Effective) | 900MHz (3600MHz) | 900MHz (1800MHz) |
| Frame Buffer | 512MB GDDR5 | 512MB GDDR3 |
| Memory Interface | 128-bit | 256-bit |
| Texture Units | 32 TMUs | 32 TMUs |
| Render Back-Ends | 16 | 16 |
| TDP | TBD | 110W |
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Which respected gamer is going to buy a 512MB card these days? 1GB cards rule. Go Nvidia! What good is speed if you can’t store more than 512MB on a card. DX11 games will kill this card.
It's aimed at budget users, and since it uses GDDR5 memory it should do well in older games as well as potentially offer some very decent overclocking.
There's no shortage of nVidia cards offering the same amount of memory. Such cards are aimed for a specific market, where compromises have to be made. I think you get a lot for your money.
Nothing wrong with my HD4830. Can play with high settings all new games(L4D,Dead Space and CoD4), though resolution max. 1280x1040 because of my CRT display:S
Haven't tried crysis yet 8)