Radeon VII and Radeon HD 6450 GDDR5 - video card comparison
Radeon VII
Radeon HD 6450 GDDR5
Architecture
Vega (2017−2021)
Terascale 2 (2009−2015)
GPU code name
Vega 20
Caicos
Market segment
Desktop
Desktop
Release date
February 2019
April 2011
Interface
PCIe 3.0 x16
-
Supplementary power connectors
2x 8-pin
-
Boost clock speed
1750 MHz
-
Core clock speed
1400 MHz
750 MHz
Manufacturing process technology
7 nm
40 nm
Number of transistors
13,230 million
-
Pipelines / CUDA cores
3840
160
Power consumption (TDP)
295 Watt
27 Watt
Texture fill rate
420.0
-
Memory type
HBM2
GDDR5
Maximum RAM amount
16 GB
1 GB
Memory bus width
4096 Bit
64 Bit
Memory clock speed
1000 MHz
900 MHz
Memory bandwidth
1024 GB/s
-
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
-
HDMI
+
-
DirectX
12 (12_1)
11
OpenCL
2.0
-
OpenGL
4.6
-
Shader Model
6.4
-
Vulkan
1.2.131
-