GeForce GTX 650 and Radeon HD 2900 XT - video card comparison
Passmark - benchmark score GeForce GTX 650 vs Radeon HD 2900 XT
GeForce GTX 650
1801
Radeon HD 2900 XT
679
GeForce GTX 650
Radeon HD 2900 XT
Architecture
Kepler (2012−2018)
TeraScale (2005−2013)
GPU code name
GK107
R600
Market segment
Desktop
Desktop
Release date
September 2012
May 2007
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
One 6-pin
1x 6-pin + 1x 8-pin
Core clock speed
1058 MHz
743 MHz
CUDA cores
384
-
Floating-point performance
812.5 gflops
475.5 gflops
Manufacturing process technology
28 nm
80 nm
Number of transistors
1,270 million
720 million
Pipelines / CUDA cores
384
320
Power consumption (TDP)
64 Watt
215 Watt
Texture fill rate
33.9 billion/sec
11.89
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
512 MB
Memory bus width
128-bit GDDR5
512 Bit
Memory clock speed
5.0 GB/s
1656 MHz
Memory bandwidth
80.0 GB/s
106.0 GB/s
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One Mini HDMI
2x DVI, 1x S-Video
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
10.0 (10_0)
CUDA
+
-
OpenCL
1.2
N/A
OpenGL
4.3
3.3
Shader Model
5.1
4.0
Vulkan
1.1.126
N/A
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-