Radeon R9 Nano and Radeon R9 M390X - video card comparison
Passmark - benchmark score Radeon R9 Nano vs Radeon R9 M390X
Radeon R9 Nano
8741
Radeon R9 M390X
3705
Radeon R9 Nano
Radeon R9 M390X
Architecture
GCN 1.2 (2015−2016)
GCN 3 (2014−2016)
GPU code name
Fiji
Amethyst (XT) / Tonga
Market segment
Desktop
Laptop
Release date
September 2015
June 2015
Bus support
PCIe 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 8-pin
None
Bridgeless CrossFire
1
-
Boost clock speed
1000 MHz
-
Compute units
64
-
Core clock speed
-
723 MHz
Floating-point performance
8,192 gflops
2,961 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
8,900 million
5,000 million
Pipelines / CUDA cores
4096
2048
Power consumption (TDP)
175 Watt
100 Watt
Texture fill rate
256.0
92.54
Memory type
High Bandwidth Memory (HBM)
GDDR5
Maximum RAM amount
4 GB
4 GB
Memory bus width
4096 Bit
256 Bit
Memory clock speed
500 MHz
-
Memory bandwidth
512 GB/s
160.0 GB/s
High bandwidth memory (HBM)
+
-
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
No outputs
Eyefinity
+
1
Number of Eyefinity displays
6
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
DirectX® 12
Mantle
+
+
OpenCL
2.0
Not Listed
OpenGL
4.5
4.4
Shader Model
6.3
6.3
Vulkan
+
+
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
DualGraphics
-
1
Enduro
-
-
FreeSync
1
1
FRTC
1
-
HD3D
+
+
LiquidVR
1
-
PowerTune
+
+
Switchable graphics
-
1
TressFX
1
-
TrueAudio
+
-
VCE
+
-
ZeroCore
+
+