GeForce GTX 770 and Radeon HD 2600 XT X2 - video card comparison
GeForce GTX 770
Radeon HD 2600 XT X2
Architecture
Kepler (2012−2018)
TeraScale (2005−2013)
GPU code name
GK104
RV630
Market segment
Desktop
Desktop
Release date
May 2013
July 2007
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Minimum recommended system power
600 Watt
-
Supplementary power connectors
One 8-pin and one 6-pin
1x 6-pin
Boost clock speed
1085 MHz
-
Core clock speed
1046 MHz
800 MHz
CUDA cores
1536
-
Floating-point performance
3,333 gflops
2x 192 gflops
Manufacturing process technology
28 nm
65 nm
Number of transistors
3,540 million
390 million
Pipelines / CUDA cores
1536
120
Power consumption (TDP)
230 Watt
-
Maximum GPU temperature
98 °C
-
Texture fill rate
134 billion/sec
6.400
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
512 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
7012 MHz
1600 MHz
Memory bandwidth
224.3 GB/s
25.6 GB/s
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
4x DVI, 1x S-Video
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
10.0 (10_0)
CUDA
+
-
OpenCL
1.2
N/A
OpenGL
4.3
3.3
Shader Model
5.1
4.0
Vulkan
1.1.126
N/A
3D Gaming
+
-
3D Vision
+
-
3D Vision Live
+
-
Blu Ray 3D
+
-
PhysX
+
-