Radeon HD 7790 and GeForce GTX 780 6 GB - video card comparison
Radeon HD 7790
GeForce GTX 780 6 GB
Architecture
GCN 2.0 (2013−2017)
Kepler (2012−2018)
GPU code name
Bonaire
GK110B
Market segment
Desktop
Desktop
Release date
March 2013
September 2013
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin + 1x 8-pin
Boost clock speed
-
902 MHz
Core clock speed
1000 MHz
863 MHz
Floating-point performance
1,792 gflops
4,156 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,080 million
7,080 million
Pipelines / CUDA cores
896
2304
Power consumption (TDP)
85 Watt
250 Watt
Texture fill rate
56.00
173.2
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
6 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
6000 MHz
6008 MHz
Memory bandwidth
96 GB/s
288.4 GB/s
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
2x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
DirectX
12 (12_0)
12 (11_1)
CUDA
-
3.5
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.3
5.1
Vulkan
1.2.131
1.1.126