Comparison of GeForce GTX 680 and GeForce GTX 780 Ti

Attribute	GeForce GTX 780 Ti ×	GeForce GTX 680 ×
GPU
Release year (year)	2013	2012
GPU brand	Nvidia	Nvidia
GPU name	GK110B	GK104
Market	Desktop	Desktop
Clock speed (MHz)	875	1,006
Turbo clock speed (MHz)	1,020	1,058
Is dual GPU	-	-
Model	GeForce GTX 780 Ti	GeForce GTX 680
Memory
Memory (MB)	3,072	2,048
Memory bandwidth (GB/s)	336	192.3
Memory bus (bit)	384	256
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,752	1,502
Effective memory clock speed (MHz)	7,000	6,008
Noise and power
TDP (W)	250	195
Load power consumption (W)	372	356
Idle power consumption (W)	80	112
Load noise level (dB)	51.7	51.9
Idle noise level (dB)	38.6	38.5
Raw performance
Pixel rate (GPixel/s)	52.5	32.2
SMX units	15	8
Render output processors	48	32
Texture mapping units	240	128
Shading units	2,880	1,536
Floating-point performance (GFLOPS)	5,040	3,090
Texture rate (GTexel/s)	210	128.8
Benchmarks
Battlefield 4	85.4	64.3
Face detection (mPixels/s)	75.43	47.72
T-Rex (GFXBench 3.0)	3358.32	3360.28
Manhattan (GFXBench 3.0)	3713.92	3719.86
Bitcoin mining (mHash/s)	182.11	123.57
Sky Diver Factor	430.39	381.6
Thief	76.8	54.05
Fire Strike Factor	74.6	60.74