Radeon HD 7990 and GeForce GTX 550 Ti - video card comparison
Passmark - benchmark score Radeon HD 7990 vs GeForce GTX 550 Ti
Radeon HD 7990
5732
GeForce GTX 550 Ti
1599
Radeon HD 7990
GeForce GTX 550 Ti
Architecture
GCN 1.0 (2012−2020)
Fermi (2010−2014)
GPU code name
Malta
GF116
Market segment
Desktop
Desktop
Release date
April 2013
March 2011
Bus support
-
16x PCI-E 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 8-pin
One 6-pin
SLI options
-
+
Boost clock speed
1000 MHz
-
Core clock speed
950 MHz
900 MHz
CUDA cores
-
192
Floating-point performance
2x 4,096 gflops
691.2 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
4,313 million
1,170 million
Pipelines / CUDA cores
2048
192
Power consumption (TDP)
375 Watt
116 Watt
Maximum GPU temperature
-
100 °C
Texture fill rate
128.0
28.8 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
2 GB
Memory bus width
384 Bit
192 Bit
Memory clock speed
6000 MHz
4.1 GB/s
Memory bandwidth
288.0 GB/s
98.4 GB/s
Display Connectors
1x DVI, 4x mini-DisplayPort
Two Dual Link DVI-IMini HDMI
Multi monitor support
-
+
HDMI
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
12 (11_1)
12 (11_0)
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.6
4.2
Shader Model
5.1
5.1
Vulkan
1.2.131
N/A