Radeon R9 255 OEM and Quadro - video card comparison
Radeon R9 255 OEM
Quadro
Architecture
GCN 1.0 (2012−2020)
Celsius (1999−2005)
GPU code name
Cape Verde
NV10
Market segment
Desktop
Workstation
Release date
December 2013
1999
Interface
PCIe 3.0 x16
AGP 4x
Supplementary power connectors
1x 6-pin
None
Boost clock speed
930 MHz
-
Core clock speed
900 MHz
135 MHz
Floating-point performance
952.3 gflops
-
Manufacturing process technology
28 nm
220 nm
Number of transistors
1,500 million
17 million
Pipelines / CUDA cores
512
-
Power consumption (TDP)
65 Watt
-
Texture fill rate
29.76
0.54
Memory type
GDDR5
SDR
Maximum RAM amount
2 GB
32 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4600 MHz
166 MHz
Memory bandwidth
73.6 GB/s
2.656 GB/s
Display Connectors
No outputs
1x VGA
DirectX
12 (11_1)
7.0
OpenCL
1.2
N/A
OpenGL
4.6
1.2
Shader Model
5.1
-
Vulkan
1.2.131
N/A