Radeon R9 270X and GeForce GTX 460 OEM - video card comparison
Radeon R9 270X
GeForce GTX 460 OEM
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Curacao XT
GF104
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
2 x 6-pin
2x 6-pin
Boost clock speed
1050 MHz
-
Core clock speed
-
650 MHz
Floating-point performance
2,688 gflops
873.6 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
2,800 million
1,950 million
Pipelines / CUDA cores
1280
336
Power consumption (TDP)
180 Watt
150 Watt
Texture fill rate
84.00
36.40
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
-
3400 MHz
Memory bandwidth
179.2 GB/s
108.8 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
-
-