
GeForce GTX 980 Ti and Radeon R9 M390X - video card comparison
Passmark - benchmark score GeForce GTX 980 Ti vs Radeon R9 M390X
GeForce GTX 980 Ti
14228
Radeon R9 M390X
3705
GeForce GTX 980 Ti
Radeon R9 M390X
Architecture
Maxwell (2014−2018)
GCN 3 (2014−2016)
GPU code name
GM200
Amethyst (XT) / Tonga
Market segment
Desktop
Laptop
Release date
June 2015
June 2015
Bus support
PCI Express 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Recommended system power (PSU)
600 Watt
-
Supplementary power connectors
6-pin + 8-pin
None
SLI options
+
-
Boost clock speed
1075 MHz
-
Core clock speed
1000 MHz
723 MHz
CUDA cores
2816
-
Floating-point performance
6,060 gflops
2,961 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
8,000 million
5,000 million
Pipelines / CUDA cores
2816
2048
Power consumption (TDP)
250 Watt
100 Watt
Texture fill rate
176 billion/sec
92.54
Memory type
GDDR5
GDDR5
Maximum RAM amount
6 GB
4 GB
Memory bus width
384 Bit
256 Bit
Memory clock speed
7.0 GB/s
-
Memory bandwidth
336.5 GB/s
160.0 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
No outputs
Multi monitor support
4 displays
-
Eyefinity
-
1
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
G-SYNC support
+
-
Audio input for HDMI
Internal
-
DirectX
12 (12_1)
DirectX® 12
CUDA
+
-
Mantle
-
+
OpenCL
1.2
Not Listed
OpenGL
4.5
4.4
Shader Model
6.4
6.3
Vulkan
1.1.126
+
AppAcceleration
-
-
DualGraphics
-
1
Enduro
-
-
FreeSync
-
1
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-
HD3D
-
+
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+