GeForce GTX 560 Ti X2 and Radeon HD 4890 - video card comparison
GeForce GTX 560 Ti X2
Radeon HD 4890
Architecture
Fermi 2.0 (2010−2014)
TeraScale (2005−2013)
GPU code name
GF114
RV790
Market segment
Desktop
Desktop
Release date
January 2011
April 2009
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 8-pin
2x 6-pin
Core clock speed
850 MHz
850 MHz
Floating-point performance
2x 1,305.6 gflops
1,360.0 gflops
Manufacturing process technology
40 nm
55 nm
Number of transistors
1,950 million
959 million
Pipelines / CUDA cores
384
800
Power consumption (TDP)
170 Watt
190 Watt
Texture fill rate
54.40
34.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
4008 MHz
3900 MHz
Memory bandwidth
128.3 GB/s
124.8 GB/s
Display Connectors
3x DVI, 1x mini-HDMI
2x DVI, 1x S-Video
HDMI
+
-
DirectX
12 (11_0)
10.1 (10_1)
CUDA
2.1
-
OpenCL
1.1
1.1
OpenGL
4.6
3.3
Shader Model
5.1
4.1
Vulkan
N/A
N/A