Radeon R9 M270X and Radeon RX 6400 - video card comparison
Passmark - benchmark score Radeon R9 M270X vs Radeon RX 6400
Radeon R9 M270X
1240
Radeon RX 6400
7776
Radeon R9 M270X
Radeon RX 6400
Architecture
GCN 1.0 (2012−2020)
RDNA 2.0 (2020−2022)
GPU code name
Venus
Navi 24
Market segment
Desktop
Desktop
Release date
March 2014
January 2022
Bus support
PCIe 3.0 x16
-
Interface
PCIe 3.0 x16
PCIe 4.0 x4
Supplementary power connectors
-
None
Boost clock speed
775 MHz
2321 MHz
Compute units
10
-
Core clock speed
725 MHz
-
Floating-point performance
1,536 gflops
-
Manufacturing process technology
28 nm
6 nm
Number of transistors
1,500 million
5,400 million
Pipelines / CUDA cores
640
768
Power consumption (TDP)
-
53 Watt
Texture fill rate
31.00
111.4
Memory type
GDDR5
GDDR6
Maximum RAM amount
4 GB
4 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1125 MHz
16 GB/s
Memory bandwidth
72 GB/s
128.0 GB/s
Display Connectors
No outputs
1x HDMI 2.1, 1x DisplayPort 1.4a
Eyefinity
1
-
HDMI
-
+
DirectX
DirectX® 11
12 Ultimate (12_2)
Mantle
+
-
OpenCL
Not Listed
2.2
OpenGL
4.4
4.6
Shader Model
5.1
6.6
Vulkan
-
1.3
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-