Radeon R9 270 and GeForce GTX 780 Rev. 2 - video card comparison
Radeon R9 270
GeForce GTX 780 Rev. 2
Architecture
GCN 1.0 (2012−2020)
Kepler (2012−2018)
GPU code name
Curacao
GK110B
Market segment
Desktop
Desktop
Release date
November 2013
September 2013
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1 x 6-pin
1x 6-pin + 1x 8-pin
Boost clock speed
925 MHz
902 MHz
Core clock speed
-
863 MHz
Floating-point performance
2,368 gflops
4,156 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
7,080 million
Pipelines / CUDA cores
1280
2304
Power consumption (TDP)
150 Watt
250 Watt
Texture fill rate
74.00
173.2
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
3 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
-
6008 MHz
Memory bandwidth
179.2 GB/s
288.4 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x HDMI, 1x DisplayPort
Eyefinity
1
-
HDMI
+
+
DisplayPort support
+
-
DirectX
DirectX® 12
12 (11_1)
CUDA
-
3.5
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
-
-