
GeForce GTX 650 and Radeon X1550 PCI - video card comparison
GeForce GTX 650
Radeon X1550 PCI
Architecture
Kepler (2012−2018)
Ultra-Threaded SE
GPU code name
GK107
RV516
Market segment
Desktop
Desktop
Release date
September 2012
2007
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCI
Supplementary power connectors
One 6-pin
None
Core clock speed
1058 MHz
452 MHz
CUDA cores
384
-
Floating-point performance
812.5 gflops
-
Manufacturing process technology
28 nm
90 nm
Number of transistors
1,270 million
105 million
Pipelines / CUDA cores
384
-
Power consumption (TDP)
64 Watt
27 Watt
Texture fill rate
33.9 billion/sec
1.808
Memory type
GDDR5
DDR2
Maximum RAM amount
2 GB
256 MB
Memory bus width
128-bit GDDR5
64 Bit
Memory clock speed
5.0 GB/s
532 MBps
Memory bandwidth
80.0 GB/s
4.256 GB/s
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One Mini HDMI
1x DVI, 1x VGA, 1x S-Video
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
9.0c (9_3)
CUDA
+
-
OpenCL
1.2
N/A
OpenGL
4.3
2.1
Shader Model
5.1
3.0
Vulkan
1.1.126
N/A
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-