GeForce GTX 680 Mac Edition and Radeon R7 M520 - video card comparison
GeForce GTX 680 Mac Edition
Radeon R7 M520
Architecture
Kepler (2012−2018)
GCN 1.0 (2012−2020)
GPU code name
GK104
Oland
Market segment
Desktop
Desktop
Release date
April 2013
April 2017
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
2x 6-pin
None
Boost clock speed
1058 MHz
-
Core clock speed
1006 MHz
1030 MHz
Floating-point performance
3,250 gflops
659.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
1,040 million
Pipelines / CUDA cores
1536
320
Power consumption (TDP)
195 Watt
50 Watt
Texture fill rate
135.4
20.60
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
6008 MHz
2000 MHz
Memory bandwidth
192.3 GB/s
16 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x VGA
HDMI
+
+
DirectX
12 (11_0)
12.0
CUDA
3.0
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.0
Vulkan
1.1.126
-