Radeon R9 390 X2 and GeForce GTX 690 - video card comparison
Radeon R9 390 X2
GeForce GTX 690
Architecture
GCN 2.0 (2013−2017)
Kepler (2012−2018)
GPU code name
Grenada
GK104
Market segment
Desktop
Desktop
Release date
September 2015
May 2012
Bus support
-
PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
4x 8-pin
Two 8-pin
SLI options
-
+
Boost clock speed
-
1019 MHz
Core clock speed
1000 MHz
915 MHz
CUDA cores
-
3072
Floating-point performance
2x 5,120 gflops
2x 3,130 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
6,200 million
3,540 million
Pipelines / CUDA cores
2560
1536
Power consumption (TDP)
580 Watt
300 Watt
Texture fill rate
160.0
234 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
4 GB (4 GB per GPU) GDDR5
Memory bus width
512 Bit
512-bit (256-bit per GPU)
Memory clock speed
5400 MHz
6008 MHz
Memory bandwidth
345.6 GB/s
384 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
Two Dual Link DVI-I. One Dual link DVI-D. One Mini-Displayport 1.2
Multi monitor support
-
4 displays
HDMI
+
Yes (via dongle)
HDCP
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
12 (12_0)
12 (11_0)
CUDA
-
+
OpenCL
2.0
1.2
OpenGL
4.6
4.2
Shader Model
6.3
5.1
Vulkan
1.2.131
1.1.126
3D Blu-Ray
-
+
3D Gaming
-
+
3D Vision Live
-
+