GeForce GTX 780 Rev. 2 and Radeon R9 285X - video card comparison
GeForce GTX 780 Rev. 2
Radeon R9 285X
Architecture
Kepler (2012−2018)
GCN 3.0 (2014−2017)
GPU code name
GK110B
Tonga
Market segment
Desktop
Desktop
Release date
September 2013
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
1x 6-pin + 1x 8-pin
Boost clock speed
902 MHz
-
Core clock speed
863 MHz
1002 MHz
Floating-point performance
4,156 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
7,080 million
5,000 million
Pipelines / CUDA cores
2304
2048
Power consumption (TDP)
250 Watt
200 Watt
Texture fill rate
173.2
128.3
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
3 GB
Memory bus width
384 Bit
384 Bit
Memory clock speed
6008 MHz
5.5 GB/s
Memory bandwidth
288.4 GB/s
264.0 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
HDMI
+
+
DirectX
12 (11_1)
12 (12_0)
CUDA
3.5
-
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
1.1.126
1.2.170