GeForce GTX 770 and Radeon R9 M390 - video card comparison
GeForce GTX 770
Radeon R9 M390
Architecture
Kepler (2012−2018)
GCN (2011−2017)
GPU code name
GK104
Pitcairn
Market segment
Desktop
Laptop
Release date
May 2013
June 2015
Bus support
PCI Express 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
-
Minimum recommended system power
600 Watt
-
Supplementary power connectors
One 8-pin and one 6-pin
-
Boost clock speed
1085 MHz
-
Core clock speed
1046 MHz
-
CUDA cores
1536
-
Floating-point performance
3,333 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
5000 Million
Pipelines / CUDA cores
1536
1024
Power consumption (TDP)
230 Watt
-
Maximum GPU temperature
98 °C
-
Texture fill rate
134 billion/sec
-
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
7012 MHz
-
Memory bandwidth
224.3 GB/s
-
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
-
Multi monitor support
4 displays
-
Eyefinity
-
1
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
DirectX® 12
CUDA
+
-
Mantle
-
+
OpenCL
1.2
Not Listed
OpenGL
4.3
4.4
Shader Model
5.1
-
Vulkan
1.1.126
-
3D Gaming
+
-
3D Vision
+
-
3D Vision Live
+
-
AppAcceleration
-
-
Blu Ray 3D
+
-
DualGraphics
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
+
PhysX
+
-
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+