Radeon RX 480 and Radeon R5 340X OEM - video card comparison
Radeon RX 480
Radeon R5 340X OEM
Architecture
Polaris (2016−2019)
GCN 1.0 (2012−2020)
GPU code name
Polaris 10 Ellesmere
Oland
Market segment
Desktop
Desktop
Release date
June 2016
May 2015
Bus support
n/a
-
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin
None
Bridgeless CrossFire
1
-
Boost clock speed
1266 MHz
1050 MHz
Compute units
36
-
Core clock speed
1120 MHz
900 MHz
Floating-point performance
5,834 gflops
806.4 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
5,700 million
950 million
Pipelines / CUDA cores
2304
384
Power consumption (TDP)
150 Watt
65 Watt
Texture fill rate
182.3
21.60
Memory type
GDDR5
DDR3
Maximum RAM amount
8 GB
2 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
8000 MHz
2000 MHz
Memory bandwidth
224 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
1x DVI, 1x DisplayPort
Eyefinity
1
-
HDMI
2.0
-
DisplayPort support
1.4HDR
-
DirectX
DirectX® 12
12 (11_1)
Mantle
n/a
-
OpenCL
2.0
1.2
OpenGL
4.5
4.6
Shader Model
6.4
5.1
Vulkan
+
1.2.131
AppAcceleration
n/a
-
CrossFire
1
-
Enduro
n/a
-
FreeSync
+
-
FRTC
1
-
HD3D
n/a
-
LiquidVR
1
-
PowerTune
+
-
TressFX
1
-
TrueAudio
n/a
-
UVD
+
-
VCE
+
-
ZeroCore
+
-