Radeon HD 7970M and GeForce GTX 650 - video card comparison
Passmark - benchmark score Radeon HD 7970M vs GeForce GTX 650
Radeon HD 7970M
3635
GeForce GTX 650
1801
Radeon HD 7970M
GeForce GTX 650
Architecture
GCN (2011−2017)
Kepler (2012−2018)
GPU code name
Wimbledon XT
GK107
Market segment
Laptop
Desktop
Release date
May 2012
September 2012
Bus support
-
PCI Express 3.0
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
One 6-pin
Core clock speed
850 MHz
1058 MHz
CUDA cores
-
384
Floating-point performance
2,176 gflops
812.5 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
1,270 million
Pipelines / CUDA cores
1280
384
Power consumption (TDP)
100 Watt
64 Watt
Texture fill rate
68.00
33.9 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
128-bit GDDR5
Memory clock speed
4800 MHz
5.0 GB/s
Memory bandwidth
153.6 GB/s
80.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
One Dual Link DVI-I, One Dual Link DVI-D, One Mini HDMI
Multi monitor support
-
4 displays
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
12 (11_1)
12 (11_0)
CUDA
-
+
OpenCL
1.2
1.2
OpenGL
4.6
4.3
Shader Model
5.1
5.1
Vulkan
1.2.131
1.1.126
3D Blu-Ray
-
+
3D Gaming
-
+
3D Vision
-
+