GeForce GTX 980 Mobile and Radeon R9 280X - video card comparison
GeForce GTX 980 Mobile
Radeon R9 280X
Architecture
Maxwell (2014−2018)
GCN (2011−2017)
GPU code name
N16E-GXX
Thaiti XTL
Market segment
Laptop
Desktop
Release date
September 2014
October 2013
Bus support
PCI Express 3.0
PCIe 3.0
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
-
1 x 6-pin + 1 x 8-pin
SLI options
+
-
Boost clock speed
1216 MHz
1000 MHz
Core clock speed
1064 MHz
-
CUDA cores
2048
-
Floating-point performance
4,358 gflops
4,096 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,200 million
4,313 million
Pipelines / CUDA cores
2048
2048
Power consumption (TDP)
100-200 Watt
250 Watt
Texture fill rate
144 billion/sec
128.0
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
3 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
7.0 GB/s
-
Memory bandwidth
224 GB/s
288 GB/s
Shared memory
-
-
Display Connectors
Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2
2x DVI, 1x HDMI, 1x DisplayPort
Multi monitor support
4 displays
-
Eyefinity
-
+
VGA аnalog display support
+
-
DisplayPort Multimode (DP++) support
+
-
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
DisplayPort support
-
+
G-SYNC support
+
-
Audio input for HDMI
Internal
-
DirectX
12 (12_1)
DirectX® 12
CUDA
+
-
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.5
4.6
Shader Model
6.4
5.1
Vulkan
1.1.126
+
AppAcceleration
-
+
BatteryBoost
+
-
CrossFire
-
1
DDMA audio
-
+
Enduro
-
-
FreeSync
-
1
GameStream
+
-
GameWorks
+
-
GeForce ShadowPlay
+
-
GPU Boost
2.0
-
H.264, VC1, MPEG2 1080p video decoder
+
-
HD3D
-
+
LiquidVR
-
1
Optimus
+
-
PowerTune
-
-
TressFX
-
1
TrueAudio
-
+
UVD
-
+
ZeroCore
-
-