
Radeon Sky 900 and FirePro V7900 SDI - video card comparison
Radeon Sky 900
FirePro V7900 SDI
Architecture
GCN 1.0 (2012−2020)
TeraScale 3 (2010−2013)
GPU code name
Tahiti
Cayman
Market segment
Desktop
Workstation
Release date
March 2013
May 2011
Bus support
PCIe 3.0
PCIe 2.1 x16
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 8-pin
1x 6-pin
Boost clock speed
950 MHz
-
Core clock speed
825 MHz
725 MHz
Floating-point performance
2x 3,405 gflops
1,856.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
4,313 million
2,640 million
Pipelines / CUDA cores
3584
1280
Power consumption (TDP)
300 Watt
224 Watt
Texture fill rate
106.4
58.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
6 GB
2 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
5000 MHz
5000 MHz
Memory bandwidth
480 GB/s
160 GB/s
Display Connectors
1x DVI, 1x mini-DisplayPort
4x SDI
DisplayPort count
-
4
Dual-link DVI support
1
1
DirectX
12 (11_1)
11.2 (11_0)
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
1.2.131
N/A
StereoOutput3D
-
1