Radeon RX Vega 56 and Radeon R9 390 - video card comparison
Passmark - benchmark score Radeon RX Vega 56 vs Radeon R9 390
Radeon RX Vega 56
13659
Radeon R9 390
9182
Radeon RX Vega 56
Radeon R9 390
Architecture
Vega (2017−2021)
GCN 2.0 (2013−2017)
GPU code name
Vega
Grenada
Market segment
Desktop
Desktop
Release date
August 2017
June 2015
Bus support
-
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 8-pin
1 x 6-pin, 1 x 8-pin
Bridgeless CrossFire
-
1
Boost clock speed
1474 MHz
1000 MHz
Core clock speed
1138 MHz
-
Floating-point performance
10,566 gflops
5,120 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
12,500 million
6,200 million
Pipelines / CUDA cores
3584
2560
Power consumption (TDP)
210 Watt
275 Watt
Texture fill rate
329.5
160.0
Memory type
HBM2
GDDR5
Maximum RAM amount
8 GB
0 MB
Memory bus width
409.6 Bit
512 Bit
Memory clock speed
800 MHz
1000 MHz
Memory bandwidth
409.6 GB/s
384 GB/s
High bandwidth memory (HBM)
-
-
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
2x DVI, 1x HDMI, 1x DisplayPort
Eyefinity
-
1
Number of Eyefinity displays
-
6
HDMI
+
+
DisplayPort support
-
+
DirectX
12 (12_1)
DirectX® 12
Mantle
-
+
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.3
Vulkan
1.1.125
+
AppAcceleration
-
-
CrossFire
-
1
DDMA audio
-
+
Enduro
-
-
FreeSync
-
1
HD3D
-
-
PowerTune
-
+
TrueAudio
-
+
VCE
-
+
ZeroCore
-
-