Radeon R9 390X and Radeon RX 480 - video card comparison
Passmark - benchmark score Radeon R9 390X vs Radeon RX 480
Radeon R9 390X
9722
Radeon RX 480
8883
Radeon R9 390X
Radeon RX 480
Architecture
GCN (2011−2017)
Polaris (2016−2019)
GPU code name
Grenada XT
Polaris 10 Ellesmere
Market segment
Desktop
Desktop
Release date
June 2015
June 2016
Bus support
PCIe 3.0
n/a
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1 x 6-pin, 1 x 8-pin
1x 6-pin
Bridgeless CrossFire
1
1
Boost clock speed
1050 MHz
1266 MHz
Compute units
-
36
Core clock speed
-
1120 MHz
Floating-point performance
5,914 gflops
5,834 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
6,200 million
5,700 million
Pipelines / CUDA cores
2816
2304
Power consumption (TDP)
275 Watt
150 Watt
Texture fill rate
184.8
182.3
Memory type
GDDR5
GDDR5
Maximum RAM amount
0 MB
8 GB
Memory bus width
512 Bit
256 Bit
Memory clock speed
1050 MHz
8000 MHz
Memory bandwidth
384 GB/s
224 GB/s
High bandwidth memory (HBM)
-
-
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x HDMI, 3x DisplayPort
Eyefinity
+
1
Number of Eyefinity displays
6
-
HDMI
+
2.0
DisplayPort support
+
1.4HDR
DirectX
DirectX® 12
DirectX® 12
Mantle
+
n/a
OpenCL
2.0
2.0
OpenGL
4.6
4.5
Shader Model
6.3
6.4
Vulkan
+
+
AppAcceleration
-
n/a
CrossFire
1
1
DDMA audio
+
-
Enduro
-
n/a
FreeSync
1
+
FRTC
-
1
HD3D
-
n/a
LiquidVR
-
1
PowerTune
+
+
TressFX
-
1
TrueAudio
+
n/a
UVD
-
+
VCE
+
+
ZeroCore
-
+