Radeon R9 270 and GeForce GT 740 OEM - video card comparison
Radeon R9 270
GeForce GT 740 OEM
Architecture
GCN 1.0 (2012−2020)
Kepler (2012−2018)
GPU code name
Curacao
GK106
Market segment
Desktop
Desktop
Release date
November 2013
April 2015
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1 x 6-pin
None
Boost clock speed
925 MHz
-
Core clock speed
-
1050 MHz
Floating-point performance
2,368 gflops
772.6 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
2,540 million
Pipelines / CUDA cores
1280
384
Power consumption (TDP)
150 Watt
65 Watt
Texture fill rate
74.00
33.60
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
-
5012 MHz
Memory bandwidth
179.2 GB/s
80.19 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
Eyefinity
1
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
12 (11_0)
CUDA
-
3.0
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
+
1.1.126
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-