Radeon R9 280X and GeForce GTS 450 OEM - video card comparison
Radeon R9 280X
GeForce GTS 450 OEM
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Thaiti XTL
GF106
Market segment
Desktop
Desktop
Release date
October 2013
October 2010
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
1x 6-pin
Boost clock speed
1000 MHz
-
Core clock speed
-
790 MHz
Floating-point performance
4,096 gflops
455.0 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
18.96
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
1536 MB
Memory bus width
384 Bit
192 Bit
Memory clock speed
-
4000 MHz
Memory bandwidth
288 GB/s
96 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
-
-