ATI’s Radeon HD 5000 series product line-up has an immense hole in terms of both price and performance, between the HD 5770 ($169) and the HD 5850 ($299). A Radeon HD 5830 to fill this potentially high demand space has been long rumoured and forthcoming. For some reason, AMD keeps holding back the HD 5830.

As expected, the HD 5830, based on Cypress LE, will have 2 fewer shader clusters than the HD 5850 – leaving it with 1280 SP and 64 TMU. Surprisingly, the core clock is expected to be 25 MHz higher than the HD 5850, and the memory the same speed, though it is unknown if is mated to the same 256-bit bus.

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ATI’s Radeon HD 5000 series product line-up has an immense hole in terms of both price
and performance, between the HD 5770 ($169) and the HD 5850 ($299). A
Radeon HD 5830 to fill this potentially high demand space has been long
rumoured and forthcoming. For some reason, AMD keeps holding back the HD
5830.

As expected, the HD 5830, based on Cypress LE, will have 2 fewer shader
clusters than the HD 5850 – leaving it with 1280 SP and 64 TMU.
Surprisingly, the core clock is expected to be 25 MHz higher than the HD
5850, and the memory the same speed, though it is unknown if is mated
to the same 256-bit bus.

If it is, then the consumer can expect performance surprisingly close to the more expensive HD 5850. A price tag of $239 has been thrown around most frequently – which is pretty much bang in the middle of the HD 5770 and the HD 5850. It could make for a great bargain, as performance and features will definitely be closer to the HD 5850 than the HD 5770.

The biggest mystery about the HD 5830 remains its release date. Strong rumours indicated a late January release date, followed by 1st week February, along with the HD 5450 and HD 5570 releases. The latest rumour suggests late February, with wide availability only in March. It is unclear as to why AMD is holding back such an promising product for so long.

Reference: Fudzilla