Radeon R9 270X and GeForce GTX 1660 - video card comparison
Passmark - benchmark score Radeon R9 270X vs GeForce GTX 1660
Radeon R9 270X
5036
GeForce GTX 1660
12040
Radeon R9 270X
GeForce GTX 1660
Architecture
GCN (2011−2017)
Turing (2018−2021)
GPU code name
Curacao XT
Turing TU116
Market segment
Desktop
Desktop
Release date
October 2013
March 2019
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2 x 6-pin
1x 8-pin
Boost clock speed
1050 MHz
1785 MHz
Core clock speed
-
1530 MHz
Floating-point performance
2,688 gflops
-
Manufacturing process technology
28 nm
12 nm
Number of transistors
2,800 million
6,600 million
Pipelines / CUDA cores
1280
1408
Power consumption (TDP)
180 Watt
120 Watt
Texture fill rate
84.00
157.1
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
6 GB
Memory bus width
256 Bit
192 Bit
Memory clock speed
-
8000 MHz
Memory bandwidth
179.2 GB/s
192.1 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
Eyefinity
+
-
HDMI
+
+
DisplayPort support
+
-
DirectX
DirectX® 12
12 (12_1)
CUDA
-
7.5
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
+
1.2.131
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-