Radeon HD 7970 and GeForce GTX 650 Ti - video card comparison
Passmark - benchmark score Radeon HD 7970 vs GeForce GTX 650 Ti
Radeon HD 7970
5405
GeForce GTX 650 Ti
2598
Radeon HD 7970
GeForce GTX 650 Ti
Architecture
GCN (2011−2017)
Kepler (2012−2018)
GPU code name
Tahiti XT
GK106
Market segment
Desktop
Desktop
Release date
December 2011
October 2012
Bus support
PCIe 2.1 x16
PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
One 6-pin
Boost clock speed
925 MHz
-
Core clock speed
-
928 MHz
CUDA cores
-
768
Floating-point performance
3,789 gflops
1,425 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
4,313 million
2,540 million
Pipelines / CUDA cores
2048
768
Power consumption (TDP)
300 Watt
110 Watt
Maximum GPU temperature
-
105 °C
Texture fill rate
118.4
59.2 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
6 GB
2 GB
Memory bus width
384 Bit
128 Bit
Memory clock speed
1375 MHz
5.4 GB/s
Memory bandwidth
264 GB/s
86.4 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
One Dual Link DVI-I, One Dual Link DVI-D, One Mini HDMI
Multi monitor support
-
4 Displays
Eyefinity
+
-
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
DisplayPort support
-
-
Audio input for HDMI
-
Internal
DirectX
DirectX® 11
12 (11_0)
CUDA
-
+
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.3
Shader Model
5.1
5.1
Vulkan
-
1.1.126
3D Blu-Ray
-
+
3D Gaming
-
+
3D Vision
-
+
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-