GeForce GTX 680 and Radeon HD 6790 - video card comparison
Passmark - benchmark score GeForce GTX 680 vs Radeon HD 6790
GeForce GTX 680
5721
Radeon HD 6790
1664
GeForce GTX 680
Radeon HD 6790
Architecture
Kepler (2012−2018)
Terascale 2 (2009−2015)
GPU code name
GK104
Barts
Market segment
Desktop
Desktop
Release date
March 2012
April 2011
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
Two 6-pin
2x 6-pin
SLI options
+
-
Boost clock speed
1058 MHz
-
Core clock speed
1006 MHz
840 MHz
CUDA cores
1536
-
Floating-point performance
3,090.4 gflops
1,344.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
3,540 million
1,700 million
Pipelines / CUDA cores
1536
800
Power consumption (TDP)
195 Watt
150 Watt
Texture fill rate
128.8 billion/sec
33.60
Memory type
GDDR5
GDDR5
Maximum RAM amount
2048 MB
1 GB
Memory bus width
256-bit GDDR5
256 Bit
Memory clock speed
6000 MHz
1050 MHz
Memory bandwidth
192.2 GB/s
134.4 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
2x DVI, 1x HDMI, 1x 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
4.2
4.4
Shader Model
5.1
5.0
Vulkan
1.1.126
N/A