Radeon HD 5830 and Radeon R9 255 OEM - video card comparison
Radeon HD 5830
Radeon R9 255 OEM
Architecture
TeraScale 2 (2009−2015)
GCN 1.0 (2012−2020)
GPU code name
Cypress
Cape Verde
Market segment
Desktop
Desktop
Release date
February 2010
December 2013
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
1x 6-pin
Boost clock speed
-
930 MHz
Core clock speed
800 MHz
900 MHz
Floating-point performance
1,792.0 gflops
952.3 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
2,154 million
1,500 million
Pipelines / CUDA cores
1120
512
Power consumption (TDP)
175 Watt
65 Watt
Texture fill rate
44.80
29.76
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
4000 MHz
4600 MHz
Memory bandwidth
128.0 GB/s
73.6 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
11.2 (11_0)
12 (11_1)
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
1.2.131