Comparison of GeForce GTX 1080 and Radeon HD 7990

Attribute	GeForce GTX 1080 ×	Radeon HD 7990 ×
GPU
Release year (year)	2016	2013
Reference card	-	AMD Radeon HD 7990 950 MHz 6 GB
GPU brand	Nvidia	AMD
GPU name	GP104	Malta
Market	Desktop	Desktop
Clock speed (MHz)	1,607	950
Turbo clock speed (MHz)	1,733	1,000
Is dual GPU	-	+
Model	GeForce GTX 1080	Radeon HD 7990
Memory
Memory (MB)	8,192	6,144
Memory bandwidth (GB/s)	224.4	576
Memory bus (bit)	256	768
Memory type	GDDR5	GDDR5
Memory clock speed (MHz)	1,251	1,500
Effective memory clock speed (MHz)	10,008	6,000
Noise and power
TDP (W)	180	375
Load power consumption (W)	-	573
Idle power consumption (W)	-	135
Load noise level (dB)	-	60
Idle noise level (dB)	-	43
Raw performance
Pixel rate (GPixel/s)	102.8	64
Render output processors	64	64
Texture mapping units	160	256
Shading units	2,560	4,096
Floating-point performance (GFLOPS)	8,228	8,192
Compute units	-	64
Texture rate (GTexel/s)	257.1	256
Benchmarks
Cloud Gate Factor	-	23
Battlefield 4	172	-
Face detection (mPixels/s)	143.9	90.43
T-Rex (GFXBench 3.0)	3360.14	3356.38
Manhattan (GFXBench 3.0)	3718.86	3716.14
Bitcoin mining (mHash/s)	755	458.53
Sky Diver Factor	516.48	393.8
Thief	125	-
Fire Strike Factor	97.7	75.52
Ocean surface simulation (frames/s)	-	1833.02