GeForce GTX 1070 SLI and Radeon R9 270X - video card comparison
GeForce GTX 1070 SLI
Radeon R9 270X
Architecture
Pascal (2016−2021)
GCN (2011−2017)
GPU code name
Pascal GP104 SLI
Curacao XT
Market segment
Desktop
Desktop
Release date
August 2016
October 2013
Bus support
-
PCIe 3.0
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
2 x 6-pin
SLI options
+
-
Boost clock speed
1683 MHz
1050 MHz
Core clock speed
1506 MHz
-
Floating-point performance
-
2,688 gflops
Manufacturing process technology
16 nm
28 nm
Number of transistors
14400 Million
2,800 million
Pipelines / CUDA cores
3840
1280
Power consumption (TDP)
300 Watt
180 Watt
Texture fill rate
-
84.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 8 GB
4 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
8000 MHz
-
Memory bandwidth
-
179.2 GB/s
Shared memory
-
-
Display Connectors
-
2x DVI, 1x HDMI, 1x DisplayPort
Eyefinity
-
+
HDMI
-
+
DisplayPort support
-
+
G-SYNC support
+
-
DirectX
12_1
DirectX® 12
CUDA
+
-
Mantle
-
-
OpenCL
-
1.2
OpenGL
-
4.6
Shader Model
-
5.1
Vulkan
+
+
AppAcceleration
-
+
CrossFire
-
1
DDMA audio
-
+
Enduro
-
-
FreeSync
-
1
HD3D
-
+
LiquidVR
-
1
PowerTune
-
-
TressFX
-
1
TrueAudio
-
+
UVD
-
+
VR Ready
+
-
ZeroCore
-
-