Radeon HD 6450 and Radeon RX 6400 - video card comparison
Passmark - benchmark score Radeon HD 6450 vs Radeon RX 6400
Radeon HD 6450
203
Radeon RX 6400
7778
Radeon HD 6450
Radeon RX 6400
Architecture
TeraScale 2 (2009−2015)
RDNA 2.0 (2020−2022)
GPU code name
Caicos
Navi 24
Market segment
Desktop
Desktop
Release date
April 2011
January 2022
Bus support
PCIe 2.0 x8
-
Interface
PCIe 2.0 x16
PCIe 4.0 x4
Supplementary power connectors
None
None
Boost clock speed
750 MHz
2321 MHz
Floating-point performance
200.0 gflops
-
Manufacturing process technology
40 nm
6 nm
Number of transistors
370 million
5,400 million
Pipelines / CUDA cores
160
768
Power consumption (TDP)
30 Watt
53 Watt
Texture fill rate
5.000
111.4
Memory type
GDDR5
GDDR6
Maximum RAM amount
1 GB
4 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
800 MHz
16 GB/s
Memory bandwidth
25.6 GB/s
128.0 GB/s
Memory bandwidth
8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5)
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x HDMI 2.1, 1x DisplayPort 1.4a
Eyefinity
1
-
Number of Eyefinity displays
4
-
HDMI
+
+
DisplayPort support
+
-
DirectX
DirectX® 11
12 Ultimate (12_2)
Mantle
-
-
OpenCL
1.2
2.2
OpenGL
4.4
4.6
Shader Model
5.0
6.6
Vulkan
-
1.3
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-