Radeon R9 270X and Radeon R7 250 - video card comparison
Passmark - benchmark score Radeon R9 270X vs Radeon R7 250
Radeon R9 270X
5036
Radeon R7 250
1100
Radeon R9 270X
Radeon R7 250
Architecture
GCN (2011−2017)
GCN (2011−2017)
GPU code name
Curacao XT
Oland XT
Market segment
Desktop
Desktop
Release date
October 2013
October 2013
Bus support
PCIe 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
2 x 6-pin
N/A
Boost clock speed
1050 MHz
1050 MHz
Floating-point performance
2,688 gflops
716.8 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
950 million
Pipelines / CUDA cores
1280
384
Power consumption (TDP)
180 Watt
75 Watt
Texture fill rate
84.00
25.20
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
-
1150 MHz
Memory bandwidth
179.2 GB/s
72 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
DirectX® 12
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
+
-
AppAcceleration
+
+
CrossFire
1
1
DDMA audio
+
+
Enduro
-
-
FreeSync
1
1
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-