Comparison of GeForce GTX 880M and GeForce GTX 980M

Attribute	GeForce GTX 980M ×	GeForce GTX 880M ×
GPU
Release year (year)	2014	2014
Reference card	Nvidia GeForce GTX 980M 540 MHz 8 GB	-
GPU brand	Nvidia	Nvidia
GPU name	GM204	GK104
Market	Laptop	Laptop
Clock speed (MHz)	1,038	954
Turbo clock speed (MHz)	1,127	993
Is dual GPU	-	-
Model	GeForce GTX 980M	GeForce GTX 880M
Memory
Memory (MB)	8,192	8,192
Memory bandwidth (GB/s)	160.4	160
Memory bus (bit)	256	256
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,253	1,250
Effective memory clock speed (MHz)	5,012	5,000
Noise and power
TDP (W)	-	122
Raw performance
Pixel rate (GPixel/s)	66.4	30.53
Render output processors	64	32
Texture mapping units	96	128
Shading units	1,536	1,536
Floating-point performance (GFLOPS)	3,189	2,931
Texture rate (GTexel/s)	99.6	122.1
Benchmarks
Battlefield 4	71.7	46.2
Face detection (mPixels/s)	92.63	41.2
T-Rex (GFXBench 3.0)	3358.56	3359.5
Manhattan (GFXBench 3.0)	3718.44	3715.14
Bitcoin mining (mHash/s)	384.62	82.51
Sky Diver Factor	425.96	351.61
Thief	61.85	40.15
Fire Strike Factor	70.8	51.88