GeForce GTS 450 and Radeon HD 2900 XT - video card comparison
Passmark - benchmark score GeForce GTS 450 vs Radeon HD 2900 XT
GeForce GTS 450
1359
Radeon HD 2900 XT
679
GeForce GTS 450
Radeon HD 2900 XT
Architecture
Fermi (2010−2014)
TeraScale (2005−2013)
GPU code name
GF106
R600
Market segment
Desktop
Desktop
Release date
September 2010
May 2007
Bus support
PCI-E 2.0 x 16
-
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
6-pin
1x 6-pin + 1x 8-pin
SLI options
+
-
Core clock speed
783 MHz
743 MHz
CUDA cores
192
-
Floating-point performance
601.3 gflops
475.5 gflops
Manufacturing process technology
40 nm
80 nm
Number of transistors
1,170 million
720 million
Pipelines / CUDA cores
192
320
Power consumption (TDP)
106 Watt
215 Watt
Maximum GPU temperature
100 °C
-
Texture fill rate
25.1 billion/sec
11.89
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
512 MB
Memory bus width
128 Bit
512 Bit
Memory clock speed
1804 (3608 data rate) MHz
1656 MHz
Memory bandwidth
57.7 GB/s
106.0 GB/s
Display Connectors
Mini HDMITwo Dual Link DVI
2x DVI, 1x S-Video
HDMI
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
10.0 (10_0)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
4.2
3.3
Shader Model
5.1
4.0
Vulkan
N/A
N/A