Radeon HD 7850
20 Graphics CoreNext Compute Units
1280 stream processors
Memory Bus of 256-bit
Memory size of 1 GB/2GB GDDR5 memory
Clock speeds of 900 MHz core
Memory frequency of 1250 MHz (5.00 GHz effective)
Radeon HD 7870
22 Graphics CoreNext Compute Units
1408 stream processors
Memory bus of 256-bit
Memory size of 2GB GDDR5 memory
Clock speeds of 950 MHz core
Memory frequency of 1375 MHz (5.50 GHz effective)
Early pricing for the HD 7850 has it listed at around $220 dollars and the HD 7870 around $300 dollars. In the second quarter, AMD is expected to release both the HD 7990 and HD 7890. While the specs for HD 7990 are still relatively unknown, the HD 7890 will be based on Tahiti (same as the HD 7900 series). It is expected to feature 24 Graphics CoreNext Compute Units, 1536 stream processors, 96 TMUs, 32 ROPs, and have a 1.5 GB memory with memory interface of 384-bit. Early expectations for pricing has the price of the HD 7890 around $359 dollars.
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