Radeon R9 280X and GeForce GTS 450 Rev. 3 - video card comparison
Radeon R9 280X
GeForce GTS 450 Rev. 3
Architecture
GCN (2011−2017)
Fermi 2.0 (2010−2014)
GPU code name
Thaiti XTL
GF116
Market segment
Desktop
Desktop
Release date
October 2013
July 2012
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1 x 6-pin + 1 x 8-pin
-
Boost clock speed
1000 MHz
-
Core clock speed
-
783 MHz
Floating-point performance
4,096 gflops
451.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
4,313 million
1,170 million
Pipelines / CUDA cores
2048
144
Power consumption (TDP)
250 Watt
106 Watt
Texture fill rate
128.0
18.79
Memory type
GDDR5
DDR3
Maximum RAM amount
3 GB
1 GB
Memory bus width
384 Bit
128 Bit
Memory clock speed
-
1400 MHz
Memory bandwidth
288 GB/s
22.4 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x mini-HDMI
Eyefinity
+
-
HDMI
+
+
DisplayPort support
+
-
DirectX
DirectX® 12
12 (11_0)
CUDA
-
2.1
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
+
N/A
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-