GeForce GTX 770 and Radeon HD 7970 - video card comparison
Passmark - benchmark score GeForce GTX 770 vs Radeon HD 7970
GeForce GTX 770
6099
Radeon HD 7970
5405
GeForce GTX 770
Radeon HD 7970
Architecture
Kepler (2012−2018)
GCN (2011−2017)
GPU code name
GK104
Tahiti XT
Market segment
Desktop
Desktop
Release date
May 2013
December 2011
Bus support
PCI Express 3.0
PCIe 2.1 x16
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
1085 MHz
925 MHz
Core clock speed
1046 MHz
-
CUDA cores
1536
-
Floating-point performance
3,333 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)
230 Watt
300 Watt
Maximum GPU temperature
98 °C
-
Texture fill rate
134 billion/sec
118.4
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
6 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
7012 MHz
1375 MHz
Memory bandwidth
224.3 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
4.3
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
-
3D Gaming
+
-
3D Vision
+
-
3D Vision Live
+
-
AppAcceleration
-
-
Blu Ray 3D
+
-
CrossFire
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
-
PhysX
+
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-