Over the week, AMD launched three of the first notebook GPUs in the
Radeon HD 7000 series in a bid to stay competitive in the notebook GPU
market, even if it means re-branding already launched GPUs like NVIDIA
did, with its recent GeForce 600M series
launch. The newly [re]launched mGPUs include Radeon HD 7400M, HD 7500M,
and HD 7600M. The three are based on current-generation Caicos and
Turks GPUs.
The HD 7400M is based on the "Caicos" silicon, featuring 160 stream processors, 8 TMUs, 4 ROPs, and a 64-bit wide GDDR5 memory interface. The HD 7500M and HD 7600M are based on the "Turks" silicon, the HD 7500M features 480 stream processors, 24 TMUs, 8 ROPs, and 64-bit wide GDDR5 memory interface (more economical with lower number of memory chips, while offering the same performance as 128-bit DDR3); while the HD 7600M features all the features of the HD 7500M, including the full 128-bit wide GDDR5 memory interface.
source: http://www.techpowerup.com/156390/AMD-Radeon-HD-7400M-HD-7500M-and-HD-7600M-Released.html
The HD 7400M is based on the "Caicos" silicon, featuring 160 stream processors, 8 TMUs, 4 ROPs, and a 64-bit wide GDDR5 memory interface. The HD 7500M and HD 7600M are based on the "Turks" silicon, the HD 7500M features 480 stream processors, 24 TMUs, 8 ROPs, and 64-bit wide GDDR5 memory interface (more economical with lower number of memory chips, while offering the same performance as 128-bit DDR3); while the HD 7600M features all the features of the HD 7500M, including the full 128-bit wide GDDR5 memory interface.
source: http://www.techpowerup.com/156390/AMD-Radeon-HD-7400M-HD-7500M-and-HD-7600M-Released.html
