Radeon R9 270X and Radeon 520 - video card comparison
Passmark - benchmark score Radeon R9 270X vs Radeon 520
Radeon R9 270X
5036
Radeon 520
811
Radeon R9 270X
Radeon 520
Architecture
GCN (2011−2017)
GCN 1.0 (2012−2020)
GPU code name
Curacao XT
Oland
Market segment
Desktop
Laptop
Release date
October 2013
March 2017
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
2 x 6-pin
None
Boost clock speed
1050 MHz
-
Core clock speed
-
1030 MHz
Floating-point performance
2,688 gflops
659.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
1,040 million
Pipelines / CUDA cores
1280
320
Power consumption (TDP)
180 Watt
50 Watt
Texture fill rate
84.00
20.60
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
-
2250 MHz
Memory bandwidth
179.2 GB/s
16 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
12.0
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.0
Vulkan
+
+
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-