AMD debuts mobile Radeon HD 7th series chips

The seventh generation of Radeon HD graphics cards hit the market back in December of 2011 and while gamers were able to experience new levels of power just in time for Christmas mobile users were left behind with their old sixth generation Radeon graphics chips. Until now.

AMD is finally ready to remedy the situation with the launch of the new seventh generation Radeon mobile chips – the Radeon HD 7700M, 7800M and 7900M.

Just like its desktop predecessors the novelties are built on the 28 nm GCN architecture and they do not differ that much compared to its desktop counterparts with slight differences here and there. For example while the Radeon HD 7900M resembles the Radeon HD 7870 GPU it runs at just 850 MHz compared to 1 GHz for the HD 7870 chip. Spec-wise the HD 7970M packs 1280 GCN stream processors, 80 TMUs, 32 ROPs, and 2 GB GDDR5 memory with a 256-bit memory interface. Its core is clocked at 850 MHz, with 1200 MHz (4.8 GHz GDDR5 effective) memory clock speed, amounting to 153.6 GB/s memory bandwidth. The HD 7800M is clocked at 800 MHz, with 1000 MHz (4 GHz GDDR5 effective) memory clock speed, amounting to 64 GB/s memory bandwidth. It features 640 GCN stream processors, 40 TMUs, 16 ROPs, and 2 GB GDDR5 memory with a 128-bit memory interface. The HD 7700M is clocked at 675 MHz, with 1000 MHz (4 GHz GDDR5 effective) memory clock speed, amounting to 64 GB/s memory bandwidth. It features 512 GCN stream processors, 32 TMUs, 16 ROPs, and 2 GB GDDR5 memory with a 128-bit memory interface. The HD 7900M and HD 7800M have PCI-E 3.0 support, while the HD 7700M only offers PCI-E 2.0 support.

AMD Radeon Logo

As to the performance AMD says that the new HD 7900M chip is 44% faster than the HD 6990M while also besting GeForce GTX 675M and Radeon HD 6990M in tessellation tests.

The new AMD mobile graphics chips will be on the market shortly with the first ones expected in the Dell Alienware M17X where the base model starts at 1699 USD.


Source: Tom’s Hardware

Related posts

Razer intros ManO’War gaming headset

Razer intros ManO’War gaming headset

Razer has announced a new gaming headset called ManO’War. The new device comes with wireless technology inside so you won’t have to deal with cables around you and in addition to this it features high-fidelity, gaming grade audio along with a number of nice features. "The Razer ManO'War...

Nokia to be back on smartphone market with C1 model

Nokia to be back on smartphone market with C1 model

Microsoft purchased the phone division of Nokia over a year ago and one of the clauses inside the deal says Nokia cannot be back on the phone market until the end of year 2016. Despite this fact, though, Nokia plans to be back on the smartphone market sometime in 2016 by licensing its devices to...

Sony unveils 24.3 megapixels α65 and α77 cameras

Sony this morning unveiled two new cameras from its Alpha family, the α65 (SLT-A65) and α77 (SLT-A77) models which are equipped with 24.3 megapixel Exmor APS CMOS Sensor and the latest revision of Sony’s BIONZ image processing engine. Both interchangeable lens cameras make use of the...

Leave a comment