GeForce GTX 560 and Radeon R9 255 OEM - video card comparison
GeForce GTX 560
Radeon R9 255 OEM
Architecture
Fermi 2.0 (2010−2014)
GCN 1.0 (2012−2020)
GPU code name
GF114
Cape Verde
Market segment
Desktop
Desktop
Release date
May 2011
December 2013
Bus support
16x PCI-E 2.0
-
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
Two 6-pin
1x 6-pin
SLI options
+
-
Boost clock speed
-
930 MHz
Core clock speed
810 MHz
900 MHz
Floating-point performance
1,088.6 gflops
952.3 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,950 million
1,500 million
Pipelines / CUDA cores
336
512
Power consumption (TDP)
150 Watt
65 Watt
Maximum GPU temperature
99 °C
-
Texture fill rate
45.36
29.76
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
4000 MHz
4600 MHz
Memory bandwidth
128.0 GB/s
73.6 GB/s
Display Connectors
Two Dual Link DVI, Mini HDMI
No outputs
Multi monitor support
+
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (11_1)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
4.1
4.6
Shader Model
5.1
5.1
Vulkan
N/A
1.2.131
3D Blu-Ray
+
-
3D Gaming
+
-