GTX 900 Series PC Graphics Cards NVIDIA GeForce: GTX 950, GTX 980 TI, etc.

GEFORCE GTX 980 TI
GPU Architecture: Maxwell
GPU Model: GM200-310
CUDA Cores: 2816
Base Clock speed (BOOST): 1000 MHz (1075 MHz)
Memory speed: 7 Gbit/s
Memory: 16 Gb GDDR5 (384-bit)

GEFORCE GTX 980
GPU Architecture: Maxwell
GPU Model: GM204-400
CUDA Cores: 2048
Base Clock Frequency (BOOST): 1126 MHz (1216 MHz)
Memory speed: 7 Gbit/s
Memory: 4 Gb GDDR5 (256-bit)

GEFORCE GTX 970
GPU Architecture: Maxwell
GPU Model: GM206-300
CUDA Cores: 1664
Base Clock speed (BOOST): 1050 MHz (1178 MHz)
Memory speed: 7 Gbit/s
Memory: 4 Gb GDDR5 (256-bit)

GEFORCE GTX 960
GPU Architecture: Maxwell
GPU Model: GM206-300
CUDA Cores: 1024
Base Clock speed (BOOST): 1127 MHz (1178 MHz)
Memory speed: 7 Gbit/s
Memory: 2 Gb GDDR5 (128-bit)

GEFORCE GTX 950
GPU Architecture: Maxwell
GPU Model: GM206-250
CUDA Cores: 768
Base Clock speed (BOOST): 1024 MHz (1188 MHz)
Memory performance: 6.6 Gbps
Memory: 2 Gb GDDR5 (128-bit)