Radeon HD 6790 and GeForce GT 740A - video card comparison
Passmark - benchmark score Radeon HD 6790 vs GeForce GT 740A
Radeon HD 6790
1664
GeForce GT 740A
687
Radeon HD 6790
GeForce GT 740A
Architecture
Terascale 2 (2009−2015)
Kepler 2.0 (2013−2015)
GPU code name
Barts
GK208
Market segment
Desktop
Desktop
Release date
April 2011
August 2013
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
2x 6-pin
-
Core clock speed
840 MHz
980 MHz
Floating-point performance
1,344.0 gflops
752.6 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,700 million
915 million
Pipelines / CUDA cores
800
384
Power consumption (TDP)
150 Watt
33 Watt
Texture fill rate
33.60
31.36
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1050 MHz
1800 MHz
Memory bandwidth
134.4 GB/s
14.4 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
11.2 (11_0)
12 (11_0)
CUDA
-
3.5
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
1.1.126