Radeon HD 4890 and GeForce GTS 450 Rev. 2 - video card comparison
Radeon HD 4890
GeForce GTS 450 Rev. 2
Architecture
TeraScale (2005−2013)
Fermi 2.0 (2010−2014)
GPU code name
RV790
GF116
Market segment
Desktop
Desktop
Release date
April 2009
March 2011
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
1x 6-pin
Core clock speed
850 MHz
783 MHz
Floating-point performance
1,360.0 gflops
601.3 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
959 million
1,170 million
Pipelines / CUDA cores
800
192
Power consumption (TDP)
190 Watt
106 Watt
Texture fill rate
34.00
25.06
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
3900 MHz
3608 MHz
Memory bandwidth
124.8 GB/s
57.73 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x mini-HDMI
HDMI
-
+
DirectX
10.1 (10_1)
12 (11_0)
CUDA
-
2.1
OpenCL
1.1
1.1
OpenGL
3.3
4.6
Shader Model
4.1
5.1
Vulkan
N/A
N/A