Radeon HD 6870 X2 and GeForce RTX 2070 Max-Q Refresh - video card comparison
Radeon HD 6870 X2
GeForce RTX 2070 Max-Q Refresh
Architecture
TeraScale 2 (2009−2015)
Turing (2018−2021)
GPU code name
Barts
TU106B
Market segment
Desktop
Desktop
Release date
July 2011
June 2020
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
-
None
Boost clock speed
-
1125 MHz
Core clock speed
900 MHz
-
Floating-point performance
2x 2,016.0 gflops
-
Manufacturing process technology
40 nm
12 nm
Number of transistors
1,700 million
10,800 million
Pipelines / CUDA cores
1120
2304
Power consumption (TDP)
300 Watt
115 Watt
Texture fill rate
50.40
162.0
Memory type
GDDR5
GDDR6
Maximum RAM amount
1 GB
8 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
4200 MHz
11 GB/s
Memory bandwidth
134.4 GB/s
352.0 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
HDMI
+
-
DirectX
11.2 (11_0)
12 Ultimate (12_2)
CUDA
-
7.5
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
6.5
Vulkan
N/A
1.2