Radeon R7 M340 and GeForce RTX 3070 Mobile - video card comparison
Passmark - benchmark score Radeon R7 M340 vs GeForce RTX 3070 Mobile
Radeon R7 M340
679
GeForce RTX 3070 Mobile
14795
Radeon R7 M340
GeForce RTX 3070 Mobile
Architecture
GCN (2011−2017)
Ampere (2020−2022)
GPU code name
Meso Pro DDR3
GN20-E5 GA104
Market segment
Laptop
Laptop
Release date
June 2015
January 2021
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x8
PCIe 4.0 x16
Supplementary power connectors
None
-
Boost clock speed
1021 MHz
1290 - 1620 MHz
Compute units
6
-
Core clock speed
1021 MHz
780 - 1100 MHz
Floating-point performance
549.1 gflops
-
Manufacturing process technology
28 nm
8 nm
Number of transistors
950 million
17,400 million
Pipelines / CUDA cores
320
5120
Power consumption (TDP)
-
125 Watt
Texture fill rate
17.16
287.0
Memory type
DDR3
GDDR6
Maximum RAM amount
4 GB
8 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1000 MHz
14000 MHz
Memory bandwidth
16 GB/s
320.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI, 3x DisplayPort
Eyefinity
1
-
HDMI
-
+
DirectX
DirectX® 12
12 Ultimate (12_2)
CUDA
-
8.5
Mantle
+
-
OpenCL
Not Listed
2.0
OpenGL
4.4
4.6
Shader Model
5.1
6.5
Vulkan
+
1.2
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-