
Radeon R9 255 OEM and FireGL V7100 - video card comparison
Radeon R9 255 OEM
FireGL V7100
Architecture
GCN 1.0 (2012−2020)
R400 (2004−2008)
GPU code name
Cape Verde
R480
Market segment
Desktop
Workstation
Release date
December 2013
December 2004
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin
Boost clock speed
930 MHz
-
Core clock speed
900 MHz
507 MHz
Floating-point performance
952.3 gflops
-
Manufacturing process technology
28 nm
130 nm
Number of transistors
1,500 million
160 million
Pipelines / CUDA cores
512
-
Power consumption (TDP)
65 Watt
91 Watt
Texture fill rate
29.76
6.084
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
256 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
4600 MHz
1040 MHz
Memory bandwidth
73.6 GB/s
33.28 GB/s
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
12 (11_1)
9.0b (9_2)
OpenCL
1.2
N/A
OpenGL
4.6
2.0
Shader Model
5.1
-
Vulkan
1.2.131
N/A