Radeon R9 255 OEM and GeForce 7300 GT AGP - video card comparison
Radeon R9 255 OEM
GeForce 7300 GT AGP
Architecture
GCN 1.0 (2012−2020)
Curie (2003−2013)
GPU code name
Cape Verde
G73
Market segment
Desktop
Desktop
Release date
December 2013
May 2006
Interface
PCIe 3.0 x16
AGP 8x
Supplementary power connectors
1x 6-pin
None
Boost clock speed
930 MHz
-
Core clock speed
900 MHz
350 MHz
Floating-point performance
952.3 gflops
-
Manufacturing process technology
28 nm
90 nm
Number of transistors
1,500 million
177 million
Pipelines / CUDA cores
512
-
Power consumption (TDP)
65 Watt
24 Watt
Texture fill rate
29.76
1.400
Memory type
GDDR5
DDR2
Maximum RAM amount
2 GB
128 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4600 MHz
650 MHz
Memory bandwidth
73.6 GB/s
10.4 GB/s
Display Connectors
No outputs
1x DVI, 1x VGA, 1x S-Video
DirectX
12 (11_1)
9.0c (9_3)
OpenCL
1.2
N/A
OpenGL
4.6
2.1
Shader Model
5.1
3.0
Vulkan
1.2.131
N/A