Radeon HD 6790 and GeForce 945A - video card comparison
Passmark - benchmark score Radeon HD 6790 vs GeForce 945A
Radeon HD 6790
1664
GeForce 945A
1908
Radeon HD 6790
GeForce 945A
Architecture
Terascale 2 (2009−2015)
Maxwell (2014−2018)
GPU code name
Barts
GM108
Market segment
Desktop
Desktop
Release date
April 2011
March 2015
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
2x 6-pin
-
Boost clock speed
-
1189 MHz
Core clock speed
840 MHz
1072 MHz
Floating-point performance
1,344.0 gflops
903.2 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,700 million
-
Pipelines / CUDA cores
800
384
Power consumption (TDP)
150 Watt
33 Watt
Texture fill rate
33.60
28.54
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1050 MHz
5012 MHz
Memory bandwidth
134.4 GB/s
40.1 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
11.2 (11_0)
12 (11_0)
CUDA
-
5.0
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
1.1.126