ATI Radeon HD 4870: specs and benchmarks
ATI started Radeon HD 4870 sales 25 June 2008 at a recommended price of 299 USD. This is TeraScale architecture desktop card based on 55 nm manufacturing process and primarily aimed at gamers. 0.5 GB of GDDR5 memory clocked at 3.6 GHz are supplied, and together with 256 Bit memory interface this creates a bandwidth of 115.2 GB/s.
Compatibility-wise, this is 2-slot card attached via PCIe 2.0 x16 interface. Its manufacturer default version has a length of 250 mm. Two 6-pin power connectors are required, and power consumption is at 150 Watt.
It provides poor gaming and benchmark performance at 24.60 percent of a leader's which is AMD Radeon R9 390 X2.