Radeon R9 280X and GeForce GTX 780M SLI - video card comparison
Radeon R9 280X
GeForce GTX 780M SLI
Architecture
GCN (2011−2017)
Kepler (2012−2018)
GPU code name
Thaiti XTL
N14E-GTX
Market segment
Desktop
Laptop
Release date
October 2013
May 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
1000 MHz
-
Core clock speed
-
823 MHz
Floating-point performance
4,096 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
4,313 million
7080 Million
Pipelines / CUDA cores
2048
3072
Power consumption (TDP)
250 Watt
200 Watt
Texture fill rate
128.0
-
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
2x 4 GB
Memory bus width
384 Bit
2x 256 Bit
Memory clock speed
-
5000 MHz
Memory bandwidth
288 GB/s
-
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
-
Eyefinity
+
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
11
CUDA
-
+
Mantle
-
-
OpenCL
1.2
-
OpenGL
4.6
-
Shader Model
5.1
-
Vulkan
+
-
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
Optimus
-
+
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-