GeForce GTX 560 Ti X2 and Radeon HD 6850 - video card comparison
GeForce GTX 560 Ti X2
Radeon HD 6850
Architecture
Fermi 2.0 (2010−2014)
TeraScale 2 (2009−2015)
GPU code name
GF114
Barts
Market segment
Desktop
Desktop
Release date
January 2011
October 2010
Bus support
-
AGP
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 8-pin
1x 6-pin
Core clock speed
850 MHz
-
Floating-point performance
2x 1,305.6 gflops
1,488.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,950 million
1,700 million
Pipelines / CUDA cores
384
960
Power consumption (TDP)
170 Watt
127 Watt
Texture fill rate
54.40
37.20
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
4008 MHz
-
Memory bandwidth
128.3 GB/s
128.0 GB/s
Display Connectors
3x DVI, 1x mini-HDMI
2x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
-
1
HDMI
+
+
DisplayPort support
-
-
DirectX
12 (11_0)
DirectX® 11
CUDA
2.1
-
Mantle
-
-
OpenCL
1.1
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
N/A
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-