Radeon R9 270X and Radeon R7 250X - video card comparison
Passmark - benchmark score Radeon R9 270X vs Radeon R7 250X
Radeon R9 270X
5036
Radeon R7 250X
2336
Radeon R9 270X
Radeon R7 250X
Architecture
GCN (2011−2017)
GCN 1.0 (2012−2020)
GPU code name
Curacao XT
Cape Verde
Market segment
Desktop
Desktop
Release date
October 2013
February 2014
Bus support
PCIe 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2 x 6-pin
1 x 6-pin
Boost clock speed
1050 MHz
1000 MHz
Floating-point performance
2,688 gflops
1,216 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
1,500 million
Pipelines / CUDA cores
1280
640
Power consumption (TDP)
180 Watt
80 Watt
Texture fill rate
84.00
38.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
-
1625 MHz
Memory bandwidth
179.2 GB/s
96 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
+
1
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
-
-