Radeon R9 270X and GeForce GT 705 OEM - video card comparison
Radeon R9 270X
GeForce GT 705 OEM
Architecture
GCN (2011−2017)
Fermi 2.0 (2010−2014)
GPU code name
Curacao XT
GF119
Market segment
Desktop
Desktop
Release date
October 2013
March 2014
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
2 x 6-pin
-
Boost clock speed
1050 MHz
-
Core clock speed
-
874 MHz
Floating-point performance
2,688 gflops
167.8 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
2,800 million
292 million
Pipelines / CUDA cores
1280
48
Power consumption (TDP)
180 Watt
29 Watt
Texture fill rate
84.00
6.992
Memory type
GDDR5
DDR3
Maximum RAM amount
4 GB
1 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
-
1650 MHz
Memory bandwidth
179.2 GB/s
13.2 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x VGA
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
-
-