Radeon R9 390 and GeForce GTX 550 Ti - video card comparison
Passmark - benchmark score Radeon R9 390 vs GeForce GTX 550 Ti
Radeon R9 390
9182
GeForce GTX 550 Ti
1599
Radeon R9 390
GeForce GTX 550 Ti
Architecture
GCN 2.0 (2013−2017)
Fermi (2010−2014)
GPU code name
Grenada
GF116
Market segment
Desktop
Desktop
Release date
June 2015
March 2011
Bus support
PCIe 3.0
16x PCI-E 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1 x 6-pin, 1 x 8-pin
One 6-pin
SLI options
-
+
Bridgeless CrossFire
1
-
Boost clock speed
1000 MHz
-
Core clock speed
-
900 MHz
CUDA cores
-
192
Floating-point performance
5,120 gflops
691.2 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
6,200 million
1,170 million
Pipelines / CUDA cores
2560
192
Power consumption (TDP)
275 Watt
116 Watt
Maximum GPU temperature
-
100 °C
Texture fill rate
160.0
28.8 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
0 MB
2 GB
Memory bus width
512 Bit
192 Bit
Memory clock speed
1000 MHz
4.1 GB/s
Memory bandwidth
384 GB/s
98.4 GB/s
High bandwidth memory (HBM)
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
Two Dual Link DVI-IMini HDMI
Multi monitor support
-
+
Eyefinity
1
-
Number of Eyefinity displays
6
-
HDMI
+
+
Maximum VGA resolution
-
2048x1536
DisplayPort support
+
-
Audio input for HDMI
-
Internal
DirectX
DirectX® 12
12 (11_0)
CUDA
-
+
Mantle
+
-
OpenCL
2.0
1.1
OpenGL
4.6
4.2
Shader Model
6.3
5.1
Vulkan
+
N/A
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
+
-
TrueAudio
+
-
VCE
+
-
ZeroCore
-
-