Radeon R9 390 and Quadro2 MXR Low Profile - video card comparison
Radeon R9 390
Quadro2 MXR Low Profile
Architecture
GCN 2.0 (2013−2017)
Celsius (1999−2005)
GPU code name
Grenada
NV11 B2
Market segment
Desktop
Workstation
Release date
June 2015
July 2000
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
AGP 4x
Supplementary power connectors
1 x 6-pin, 1 x 8-pin
None
Bridgeless CrossFire
1
-
Boost clock speed
1000 MHz
-
Core clock speed
-
200 MHz
Floating-point performance
5,120 gflops
-
Manufacturing process technology
28 nm
180 nm
Number of transistors
6,200 million
20 million
Pipelines / CUDA cores
2560
-
Power consumption (TDP)
275 Watt
-
Texture fill rate
160.0
0.8
Memory type
GDDR5
SDR
Maximum RAM amount
0 MB
32 MB
Memory bus width
512 Bit
128 Bit
Memory clock speed
1000 MHz
183 MHz
Memory bandwidth
384 GB/s
2.928 GB/s
High bandwidth memory (HBM)
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x VGA
Eyefinity
1
-
Number of Eyefinity displays
6
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
7.0
Mantle
+
-
OpenCL
2.0
N/A
OpenGL
4.6
1.2
Shader Model
6.3
-
Vulkan
+
N/A
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
+
-
TrueAudio
+
-
VCE
+
-
ZeroCore
-
-