Radeon HD 6870 X2 and Arc A580 - video card comparison
Radeon HD 6870 X2
Arc A580
Architecture
TeraScale 2 (2009−2015)
-
GPU code name
Barts
DG2-512
Market segment
Desktop
Desktop
Release date
July 2011
October 2023
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
-
2x 8-pin
Boost clock speed
-
2000 MHz
Core clock speed
900 MHz
1700 MHz
Floating-point performance
2x 2,016.0 gflops
-
Manufacturing process technology
40 nm
6 nm
Number of transistors
1,700 million
21,700 million
Pipelines / CUDA cores
1120
3072
Power consumption (TDP)
300 Watt
175 Watt
Texture fill rate
50.40
384.0
Memory type
GDDR5
GDDR6
Maximum RAM amount
1 GB
8 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
4200 MHz
16000 MHz
Memory bandwidth
134.4 GB/s
512.0 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
1x HDMI 2.1, 3x DisplayPort 2.0
HDMI
+
+
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenCL
1.2
3.0
OpenGL
4.4
4.6
Shader Model
5.0
6.6
Vulkan
N/A
1.3