Radeon RX 470 and Radeon R7 M340 - video card comparison
Passmark - benchmark score Radeon RX 470 vs Radeon R7 M340
Radeon RX 470
8339
Radeon R7 M340
679
Radeon RX 470
Radeon R7 M340
Architecture
Polaris (2016−2019)
GCN (2011−2017)
GPU code name
Polaris 10 Pro
Meso Pro DDR3
Market segment
Desktop
Laptop
Release date
August 2016
June 2015
Bus support
-
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin
None
Boost clock speed
1206 MHz
1021 MHz
Compute units
-
6
Core clock speed
926 MHz
1021 MHz
Floating-point performance
4,940 gflops
549.1 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
5,700 million
950 million
Pipelines / CUDA cores
2048
320
Power consumption (TDP)
120 Watt
-
Texture fill rate
154.4
17.16
Memory type
GDDR5
DDR3
Maximum RAM amount
8 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
6600 MHz
1000 MHz
Memory bandwidth
211.2 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
No outputs
Eyefinity
-
1
HDMI
+
-
DirectX
12 (12_0)
DirectX® 12
Mantle
-
+
OpenCL
2.0
Not Listed
OpenGL
4.6
4.4
Shader Model
6.4
5.1
Vulkan
1.2.131
+
AppAcceleration
-
-
DualGraphics
-
1
Enduro
-
-
FreeSync
+
1
HD3D
-
+
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+