Radeon RX 455 OEM and Radeon X1650 - video card comparison
Radeon RX 455 OEM
Radeon X1650
Architecture
GCN 2.0 (2013−2017)
R500 (2005−2007)
GPU code name
Tobago
RV516
Market segment
Desktop
Desktop
Release date
June 2016
November 2007
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin
None
Core clock speed
1050 MHz
635 MHz
Floating-point performance
1,613 gflops
-
Manufacturing process technology
28 nm
80 nm
Number of transistors
2,080 million
107 million
Pipelines / CUDA cores
768
-
Power consumption (TDP)
100 Watt
-
Texture fill rate
50.40
2.540
Memory type
GDDR5
DDR2
Maximum RAM amount
2 GB
256 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
6500 MHz
784 MHz
Memory bandwidth
104.0 GB/s
6.272 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x VGA, 1x S-Video
HDMI
+
-
DirectX
12 (12_0)
9.0c (9_3)
OpenCL
2.0
N/A
OpenGL
4.6
2.0
Shader Model
6.3
3.0
Vulkan
1.2.131
N/A