Radeon R9 270X and GeForce GTS 450 - video card comparison
Passmark - benchmark score Radeon R9 270X vs GeForce GTS 450
Radeon R9 270X
5036
GeForce GTS 450
1359
Radeon R9 270X
GeForce GTS 450
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Curacao XT
GF106
Market segment
Desktop
Desktop
Release date
October 2013
September 2010
Bus support
PCIe 3.0
PCI-E 2.0 x 16
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
2 x 6-pin
6-pin
SLI options
-
+
Boost clock speed
1050 MHz
-
Core clock speed
-
783 MHz
CUDA cores
-
192
Floating-point performance
2,688 gflops
601.3 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
2,800 million
1,170 million
Pipelines / CUDA cores
1280
192
Power consumption (TDP)
180 Watt
106 Watt
Maximum GPU temperature
-
100 °C
Texture fill rate
84.00
25.1 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
-
1804 (3608 data rate) MHz
Memory bandwidth
179.2 GB/s
57.7 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
Mini HDMITwo Dual Link DVI
Eyefinity
+
-
HDMI
+
+
Maximum VGA resolution
-
2048x1536
DisplayPort support
+
-
Audio input for HDMI
-
Internal
DirectX
DirectX® 12
12 (11_0)
CUDA
-
+
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.6
4.2
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
-
-