GeForce GTX 980 SLI Mobile and Radeon R9 280X - video card comparison
GeForce GTX 980 SLI Mobile
Radeon R9 280X
Architecture
Maxwell (2014−2018)
GCN (2011−2017)
GPU code name
N16E-GXX SLI
Thaiti XTL
Market segment
Laptop
Desktop
Release date
September 2015
October 2013
Bus support
-
PCIe 3.0
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
1 x 6-pin + 1 x 8-pin
SLI options
+
-
Boost clock speed
1228 MHz
1000 MHz
Core clock speed
1126 MHz
-
Floating-point performance
-
4,096 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
10400 Million
4,313 million
Pipelines / CUDA cores
4096
2048
Power consumption (TDP)
330 Watt
250 Watt
Texture fill rate
-
128.0
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 8 GB
3 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
3500 MHz
-
Memory bandwidth
-
288 GB/s
Shared memory
-
-
Display Connectors
-
2x DVI, 1x HDMI, 1x DisplayPort
Eyefinity
-
+
HDMI
-
+
DisplayPort support
-
+
G-SYNC support
+
-
DirectX
12_1
DirectX® 12
CUDA
+
-
Mantle
-
-
OpenCL
-
1.2
OpenGL
-
4.6
Shader Model
-
5.1
Vulkan
-
+
AppAcceleration
-
+
CrossFire
-
1
DDMA audio
-
+
Enduro
-
-
FreeSync
-
1
HD3D
-
+
LiquidVR
-
1
PowerTune
-
-
TressFX
-
1
TrueAudio
-
+
UVD
-
+
ZeroCore
-
-