
Radeon HD 6490 and A2 - video card comparison
Radeon HD 6490
A2
Architecture
TeraScale 2 (2009−2015)
Ampere (2020−2022)
GPU code name
Redwood
GA107
Market segment
Desktop
Desktop
Release date
July 2011
November 2021
Interface
PCIe 2.0 x16
PCIe 4.0 x8
Supplementary power connectors
None
None
Boost clock speed
-
1770 MHz
Core clock speed
550 MHz
-
Floating-point performance
352.0 gflops
-
Manufacturing process technology
40 nm
8 nm
Number of transistors
627 million
-
Pipelines / CUDA cores
320
1280
Power consumption (TDP)
39 Watt
60 Watt
Texture fill rate
8.800
70.80
Memory type
DDR2
GDDR6
Maximum RAM amount
1 GB
16 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1000 MHz
12.5 GB/s
Memory bandwidth
16 GB/s
200.1 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
HDMI
+
-
DirectX
11.2 (11_0)
12 Ultimate (12_2)
CUDA
-
8.6
OpenCL
1.2
3.0
OpenGL
4.4
4.6
Shader Model
5.0
6.6
Vulkan
N/A
1.2