GeForce GTX 770 and Radeon HD 6990 - video card comparison
Passmark - benchmark score GeForce GTX 770 vs Radeon HD 6990
GeForce GTX 770
6099
Radeon HD 6990
3103
GeForce GTX 770
Radeon HD 6990
Architecture
Kepler (2012−2018)
TeraScale 3 (2010−2013)
GPU code name
GK104
Antilles
Market segment
Desktop
Desktop
Release date
May 2013
March 2011
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
2x 8-pin
Boost clock speed
1085 MHz
-
Core clock speed
1046 MHz
830 MHz
CUDA cores
1536
-
Floating-point performance
3,333 gflops
2x 2,549.8 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
3,540 million
2,640 million
Pipelines / CUDA cores
1536
1536
Power consumption (TDP)
230 Watt
375 Watt
Maximum GPU temperature
98 °C
-
Texture fill rate
134 billion/sec
79.68
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
7012 MHz
5000 MHz
Memory bandwidth
224.3 GB/s
160.0 GB/s
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
1x DVI, 4x mini-DisplayPort
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
11.2 (11_0)
CUDA
+
-
OpenCL
1.2
1.2
OpenGL
4.3
4.4
Shader Model
5.1
5.0
Vulkan
1.1.126
N/A
3D Gaming
+
-
3D Vision
+
-
3D Vision Live
+
-
Blu Ray 3D
+
-
PhysX
+
-