Radeon HD 6450 and Radeon RX 7800 XT - video card comparison
Passmark - benchmark score Radeon HD 6450 vs Radeon RX 7800 XT
Radeon HD 6450
203
Radeon RX 7800 XT
24808
Radeon HD 6450
Radeon RX 7800 XT
Architecture
TeraScale 2 (2009−2015)
RDNA 3
GPU code name
Caicos
Navi 32
Market segment
Desktop
Desktop
Release date
April 2011
August 2023
Bus support
PCIe 2.0 x8
-
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
2x 8-pin
Boost clock speed
750 MHz
2430 MHz
Floating-point performance
200.0 gflops
-
Manufacturing process technology
40 nm
5 nm
Number of transistors
370 million
28,100 million
Pipelines / CUDA cores
160
3840
Power consumption (TDP)
30 Watt
263 Watt
Texture fill rate
5.000
604.8
Memory type
GDDR5
GDDR6
Maximum RAM amount
1 GB
16 GB
Memory bus width
64 Bit
256 Bit
Memory clock speed
800 MHz
19500 MHz
Memory bandwidth
25.6 GB/s
576.0 GB/s
Memory bandwidth
8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5)
-
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x HDMI 2.1a, 3x DisplayPort 2.1
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
6.7
Vulkan
-
1.3
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-