GeForce GTX 770 and Radeon HD 4670 X2 - video card comparison
GeForce GTX 770
Radeon HD 4670 X2
Architecture
Kepler (2012−2018)
TeraScale (2005−2013)
GPU code name
GK104
RV730
Market segment
Desktop
Desktop
Release date
May 2013
September 2008
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 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
750 MHz
CUDA cores
1536
-
Floating-point performance
3,333 gflops
2x 480.0 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
3,540 million
514 million
Pipelines / CUDA cores
1536
320
Power consumption (TDP)
230 Watt
118 Watt
Maximum GPU temperature
98 °C
-
Texture fill rate
134 billion/sec
24.00
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
512 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
7012 MHz
1400 MHz
Memory bandwidth
224.3 GB/s
22.4 GB/s
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
4x DVI
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
10.1 (10_1)
CUDA
+
-
OpenCL
1.2
1.1
OpenGL
4.3
3.3
Shader Model
5.1
4.1
Vulkan
1.1.126
N/A
3D Gaming
+
-
3D Vision
+
-
3D Vision Live
+
-
Blu Ray 3D
+
-
PhysX
+
-