GeForce GTX 680 and Radeon R9 280X2 - video card comparison
GeForce GTX 680
Radeon R9 280X2
Architecture
Kepler (2012−2018)
GCN 1.0 (2012−2020)
GPU code name
GK104
Tahiti
Market segment
Desktop
Desktop
Release date
March 2012
-
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
Two 6-pin
3x 8-pin
SLI options
+
-
Boost clock speed
1058 MHz
1000 MHz
Core clock speed
1006 MHz
-
CUDA cores
1536
-
Floating-point performance
3,090.4 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
375 Watt
Texture fill rate
128.8 billion/sec
128.0
Memory type
GDDR5
GDDR5
Maximum RAM amount
2048 MB
3 GB
Memory bus width
256-bit GDDR5
384 Bit
Memory clock speed
6000 MHz
6 GB/s
Memory bandwidth
192.2 GB/s
288.0 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
6x mini-DisplayPort 1.2
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (11_1)
CUDA
+
-
OpenCL
1.2
2.1 (1.2)
OpenGL
4.2
4.6
Shader Model
5.1
6.5 (5.1)
Vulkan
1.1.126
1.2.170