
Radeon HD 7990 and FirePro V7900 - video card comparison
Passmark - benchmark score Radeon HD 7990 vs FirePro V7900
Radeon HD 7990
5732
FirePro V7900
2373
Radeon HD 7990
FirePro V7900
Architecture
GCN 1.0 (2012−2020)
TeraScale 3 (2010−2013)
GPU code name
Malta
Cayman
Market segment
Desktop
Workstation
Release date
April 2013
May 2011
Bus support
-
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
1000 MHz
-
Core clock speed
950 MHz
725 MHz
Floating-point performance
2x 4,096 gflops
1,856.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
4,313 million
2,640 million
Pipelines / CUDA cores
2048
1280
Power consumption (TDP)
375 Watt
151 Watt
Texture fill rate
128.0
58.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
2 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
6000 MHz
5000 MHz
Memory bandwidth
288.0 GB/s
160 GB/s
Display Connectors
1x DVI, 4x mini-DisplayPort
4x DisplayPort
DisplayPort count
-
4
Dual-link DVI support
-
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