GeForce GTX 680 and Radeon HD 7970 - video card comparison
Passmark - benchmark score GeForce GTX 680 vs Radeon HD 7970
GeForce GTX 680
5721
Radeon HD 7970
5405
GeForce GTX 680
Radeon HD 7970
Architecture
Kepler (2012−2018)
GCN (2011−2017)
GPU code name
GK104
Tahiti XT
Market segment
Desktop
Desktop
Release date
March 2012
December 2011
Bus support
PCI Express 3.0
PCIe 2.1 x16
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
Two 6-pin
1x 6-pin + 1x 8-pin
SLI options
+
-
Boost clock speed
1058 MHz
925 MHz
Core clock speed
1006 MHz
-
CUDA cores
1536
-
Floating-point performance
3,090.4 gflops
3,789 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
4,313 million
Pipelines / CUDA cores
1536
2048
Power consumption (TDP)
195 Watt
300 Watt
Texture fill rate
128.8 billion/sec
118.4
Memory type
GDDR5
GDDR5
Maximum RAM amount
2048 MB
6 GB
Memory bus width
256-bit GDDR5
384 Bit
Memory clock speed
6000 MHz
1375 MHz
Memory bandwidth
192.2 GB/s
264 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
1x DVI, 1x HDMI, 2x mini-DisplayPort
Multi monitor support
4 displays
-
Eyefinity
-
+
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
DisplayPort support
-
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
DirectX® 11
CUDA
+
-
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.2
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-