Radeon R9 Nano and Radeon R9 390X - video card comparison
Passmark - benchmark score Radeon R9 Nano vs Radeon R9 390X
Radeon R9 Nano
8741
Radeon R9 390X
9722
Radeon R9 Nano
Radeon R9 390X
Architecture
GCN 1.2 (2015−2016)
GCN (2011−2017)
GPU code name
Fiji
Grenada XT
Market segment
Desktop
Desktop
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
1 x 6-pin, 1 x 8-pin
Bridgeless CrossFire
1
1
Boost clock speed
1000 MHz
1050 MHz
Compute units
64
-
Floating-point performance
8,192 gflops
5,914 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
8,900 million
6,200 million
Pipelines / CUDA cores
4096
2816
Power consumption (TDP)
175 Watt
275 Watt
Texture fill rate
256.0
184.8
Memory type
High Bandwidth Memory (HBM)
GDDR5
Maximum RAM amount
4 GB
0 MB
Memory bus width
4096 Bit
512 Bit
Memory clock speed
500 MHz
1050 MHz
Memory bandwidth
512 GB/s
384 GB/s
High bandwidth memory (HBM)
+
-
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
2x DVI, 1x HDMI, 1x DisplayPort
Eyefinity
+
+
Number of Eyefinity displays
6
6
HDMI
+
+
DisplayPort support
+
+
DirectX
DirectX® 12
DirectX® 12
Mantle
+
+
OpenCL
2.0
2.0
OpenGL
4.5
4.6
Shader Model
6.3
6.3
Vulkan
+
+
AppAcceleration
+
-
CrossFire
1
1
DDMA audio
+
+
Enduro
-
-
FreeSync
1
1
FRTC
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
+
+
TressFX
1
-
TrueAudio
+
+
VCE
+
+
ZeroCore
+
-