
Radeon R9 270 1024SP and GeForce PCX 4300 - video card comparison
Radeon R9 270 1024SP
GeForce PCX 4300
Architecture
GCN 1.0 (2012−2020)
Celsius (1999−2005)
GPU code name
Pitcairn
NV19
Market segment
Desktop
Desktop
Release date
March 2015
February 2004
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin
None
Boost clock speed
925 MHz
-
Core clock speed
900 MHz
250 MHz
Floating-point performance
1,894 gflops
-
Manufacturing process technology
28 nm
150 nm
Number of transistors
2,800 million
29 million
Pipelines / CUDA cores
1024
-
Power consumption (TDP)
150 Watt
-
Texture fill rate
59.20
0.5
Memory type
GDDR5
DDR
Maximum RAM amount
2 GB
64 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
4800 MHz
332 MHz
Memory bandwidth
153.6 GB/s
2.656 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x VGA, 1x S-Video
HDMI
+
-
DirectX
12 (11_1)
8.0
OpenCL
1.2
N/A
OpenGL
4.6
1.3
Shader Model
5.1
-
Vulkan
1.2.131
N/A