Radeon R9 M295X Mac Edition and GeForce GTX 780 Rev. 2 - video card comparison
Radeon R9 M295X Mac Edition
GeForce GTX 780 Rev. 2
Architecture
GCN 3.0 (2014−2017)
Kepler (2012−2018)
GPU code name
Amethyst
GK110B
Market segment
Desktop
Desktop
Release date
November 2014
September 2013
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
-
1x 6-pin + 1x 8-pin
Boost clock speed
-
902 MHz
Core clock speed
850 MHz
863 MHz
Floating-point performance
3,482 gflops
4,156 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,000 million
7,080 million
Pipelines / CUDA cores
2048
2304
Power consumption (TDP)
250 Watt
250 Watt
Texture fill rate
108.8
173.2
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
3 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
5448 MHz
6008 MHz
Memory bandwidth
174.3 GB/s
288.4 GB/s
Display Connectors
No outputs
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