Radeon HD 6990 and GeForce GTX 1060 3 GB GP104 - video card comparison
Radeon HD 6990
GeForce GTX 1060 3 GB GP104
Architecture
TeraScale 3 (2010−2013)
Pascal (2016−2021)
GPU code name
Antilles
GP104
Market segment
Desktop
Desktop
Release date
March 2011
December 2016
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 8-pin
1x 6-pin
Boost clock speed
-
1708 MHz
Core clock speed
830 MHz
1506 MHz
Floating-point performance
2x 2,549.8 gflops
-
Manufacturing process technology
40 nm
16 nm
Number of transistors
2,640 million
7,200 million
Pipelines / CUDA cores
1536
1152
Power consumption (TDP)
375 Watt
120 Watt
Texture fill rate
79.68
123.0
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
3 GB
Memory bus width
256 Bit
192 Bit
Memory clock speed
5000 MHz
8008 MHz
Memory bandwidth
160.0 GB/s
192.2 GB/s
Display Connectors
1x DVI, 4x mini-DisplayPort
1x DVI, 1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
11.2 (11_0)
12 (12_1)
CUDA
-
6.1
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
6.4
Vulkan
N/A
1.2.131