GeForce GTX 770 and Radeon HD 7970 GHz Edition - video card comparison
GeForce GTX 770
Radeon HD 7970 GHz Edition
Architecture
Kepler (2012−2018)
GCN 1.0 (2012−2020)
GPU code name
GK104
Tahiti
Market segment
Desktop
Desktop
Release date
May 2013
June 2012
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
1050 MHz
Core clock speed
1046 MHz
-
CUDA cores
1536
-
Floating-point performance
3,333 gflops
4,301 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
250 Watt
Maximum GPU temperature
98 °C
-
Texture fill rate
134 billion/sec
134.4
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
3 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
7012 MHz
1500 MHz
Memory bandwidth
224.3 GB/s
288 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
-
Eyefinity
-
1
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
-
-