GeForce GTX 780 and Radeon HD 8970 OEM - video card comparison
GeForce GTX 780
Radeon HD 8970 OEM
Architecture
Kepler (2012−2018)
GCN 1.0 (2012−2020)
GPU code name
GK110
Tahiti
Market segment
Desktop
Desktop
Release date
May 2013
January 2013
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Minimum recommended system power
600 Watt
-
Supplementary power connectors
One 8-pin and one 6-pin
1x 6-pin + 1x 8-pin
Boost clock speed
900 MHz
-
Core clock speed
863 MHz
925 MHz
CUDA cores
2304
-
Floating-point performance
4,156 gflops
3,789 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
7,080 million
4,313 million
Pipelines / CUDA cores
2304
2048
Power consumption (TDP)
250 Watt
250 Watt
Maximum GPU temperature
95 °C
-
Texture fill rate
160.5 billion/sec
118.4
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
3 GB
Memory bus width
384 Bit
384 Bit
Memory clock speed
6008 MHz
5500 MHz
Memory bandwidth
288.4 GB/s
264.0 GB/s
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
-
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (11_1)
CUDA
+
-
OpenCL
1.2
1.2
OpenGL
4.3
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.2.131
3D Gaming
+
-
3D Vision
+
-
3D Vision Live
+
-
Blu Ray 3D
+
-
PhysX
+
-