Radeon R7 M340 and Radeon 780M - video card comparison
Passmark - benchmark score Radeon R7 M340 vs Radeon 780M
Radeon R7 M340
679
Radeon 780M
7300
Radeon R7 M340
Radeon 780M
Architecture
GCN (2011−2017)
RDNA 3
GPU code name
Meso Pro DDR3
Phoenix
Market segment
Laptop
Laptop
Release date
June 2015
January 2023
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x8
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
1021 MHz
3000 MHz
Compute units
6
-
Core clock speed
1021 MHz
1500 MHz
Floating-point performance
549.1 gflops
-
Manufacturing process technology
28 nm
4 nm
Number of transistors
950 million
25,390 million
Pipelines / CUDA cores
320
768
Power consumption (TDP)
-
54 Watt (35 - 54 Watt TGP)
Texture fill rate
17.16
139.2
Memory type
DDR3
System Shared
Maximum RAM amount
4 GB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
1000 MHz
System Shared
Memory bandwidth
16 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
Portable Device Dependent
Eyefinity
1
-
DirectX
DirectX® 12
12 Ultimate (12_2)
Mantle
+
-
OpenCL
Not Listed
2.1
OpenGL
4.4
4.6
Shader Model
5.1
6.7
Vulkan
+
1.3
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-