Radeon HD 6790 and GeForce GTX 760 X2 - video card comparison
Radeon HD 6790
GeForce GTX 760 X2
Architecture
Terascale 2 (2009−2015)
Kepler (2012−2018)
GPU code name
Barts
GK104
Market segment
Desktop
Desktop
Release date
April 2011
November 2013
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
2x 8-pin
Boost clock speed
-
1072 MHz
Core clock speed
840 MHz
1006 MHz
Floating-point performance
1,344.0 gflops
2x 2,470 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,700 million
3,540 million
Pipelines / CUDA cores
800
1152
Power consumption (TDP)
150 Watt
250 Watt
Texture fill rate
33.60
102.9
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1050 MHz
6008 MHz
Memory bandwidth
134.4 GB/s
192.3 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
3x DVI, 1x mini-DisplayPort
HDMI
+
-
DirectX
11.2 (11_0)
12 (11_0)
CUDA
-
3.0
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
1.1.126