Radeon HD 6790 and GeForce GT 740 - video card comparison
Passmark - benchmark score Radeon HD 6790 vs GeForce GT 740
Radeon HD 6790
1664
GeForce GT 740
1534
Radeon HD 6790
GeForce GT 740
Architecture
Terascale 2 (2009−2015)
Kepler (2012−2018)
GPU code name
Barts
GK107
Market segment
Desktop
Desktop
Release date
April 2011
May 2014
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
1x 6-pin
Core clock speed
840 MHz
993 MHz
Floating-point performance
1,344.0 gflops
762.6 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,700 million
1,270 million
Pipelines / CUDA cores
800
384
Power consumption (TDP)
150 Watt
64 Watt
Texture fill rate
33.60
31.78
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1050 MHz
5012 MHz
Memory bandwidth
134.4 GB/s
80.19 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x mini-HDMI
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