Radeon R9 Nano and Radeon R7 M340 - video card comparison
Passmark - benchmark score Radeon R9 Nano vs Radeon R7 M340
Radeon R9 Nano
8741
Radeon R7 M340
679
Radeon R9 Nano
Radeon R7 M340
Architecture
GCN 1.2 (2015−2016)
GCN (2011−2017)
GPU code name
Fiji
Meso Pro DDR3
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 x8
Supplementary power connectors
1x 8-pin
None
Bridgeless CrossFire
1
-
Boost clock speed
1000 MHz
1021 MHz
Compute units
64
6
Core clock speed
-
1021 MHz
Floating-point performance
8,192 gflops
549.1 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
8,900 million
950 million
Pipelines / CUDA cores
4096
320
Power consumption (TDP)
175 Watt
-
Texture fill rate
256.0
17.16
Memory type
High Bandwidth Memory (HBM)
DDR3
Maximum RAM amount
4 GB
4 GB
Memory bus width
4096 Bit
128 Bit
Memory clock speed
500 MHz
1000 MHz
Memory bandwidth
512 GB/s
16 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
5.1
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
+
+