Radeon R9 290 and Radeon R7 M340 - video card comparison
Passmark - benchmark score Radeon R9 290 vs Radeon R7 M340
Radeon R9 290
8336
Radeon R7 M340
679
Radeon R9 290
Radeon R7 M340
Architecture
GCN 2.0 (2013−2017)
GCN (2011−2017)
GPU code name
Hawaii
Meso Pro DDR3
Market segment
Desktop
Laptop
Release date
November 2013
June 2015
Bus support
-
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin + 1x 8-pin
None
Boost clock speed
-
1021 MHz
Compute units
-
6
Core clock speed
947 MHz
1021 MHz
Floating-point performance
4,849 gflops
549.1 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
6,200 million
950 million
Pipelines / CUDA cores
2560
320
Power consumption (TDP)
275 Watt
-
Texture fill rate
151.5
17.16
Memory type
GDDR5
DDR3
Maximum RAM amount
4 GB
4 GB
Memory bus width
512 Bit
128 Bit
Memory clock speed
5000 MHz
1000 MHz
Memory bandwidth
320.0 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
Eyefinity
-
1
HDMI
+
-
DirectX
12 (12_0)
DirectX® 12
Mantle
-
+
OpenCL
2.0
Not Listed
OpenGL
4.6
4.4
Shader Model
6.3
5.1
Vulkan
1.2.131
+
AppAcceleration
-
-
DualGraphics
-
1
Enduro
-
-
FreeSync
-
1
HD3D
-
+
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+