Radeon R7 M340 and Radeon RX 6600 - video card comparison
Passmark - benchmark score Radeon R7 M340 vs Radeon RX 6600
Radeon R7 M340
679
Radeon RX 6600
15586
Radeon R7 M340
Radeon RX 6600
Architecture
GCN (2011−2017)
Navi / RDNA2 (2020−2022)
GPU code name
Meso Pro DDR3
Navi 23
Market segment
Laptop
Desktop
Release date
June 2015
October 2021
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x8
PCIe 4.0 x8
Supplementary power connectors
None
1x 8-pin
Boost clock speed
1021 MHz
2491 MHz
Compute units
6
-
Core clock speed
1021 MHz
2044 MHz
Floating-point performance
549.1 gflops
-
Manufacturing process technology
28 nm
7 nm
Number of transistors
950 million
11,060 million
Pipelines / CUDA cores
320
1792
Power consumption (TDP)
-
132 Watt
Texture fill rate
17.16
279.0
Memory type
DDR3
GDDR6
Maximum RAM amount
4 GB
8 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1000 MHz
14500 MHz
Memory bandwidth
16 GB/s
224.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI, 3x DisplayPort
Eyefinity
1
-
HDMI
-
+
DirectX
DirectX® 12
12.0 Ultimate (12_2)
Mantle
+
-
OpenCL
Not Listed
2.1
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
+
-