Radeon HD 6870 X2 and GeForce RTX 4070 - video card comparison
Radeon HD 6870 X2
GeForce RTX 4070
Architecture
TeraScale 2 (2009−2015)
Ada Lovelace
GPU code name
Barts
AD104
Market segment
Desktop
Desktop
Release date
July 2011
April 2023
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
-
1x 16-pin
Boost clock speed
-
2475 MHz
Core clock speed
900 MHz
1920 MHz
Floating-point performance
2x 2,016.0 gflops
-
Manufacturing process technology
40 nm
5 nm
Number of transistors
1,700 million
35,800 million
Pipelines / CUDA cores
1120
5888
Power consumption (TDP)
300 Watt
200 Watt
Texture fill rate
50.40
455.4
Memory type
GDDR5
GDDR6X
Maximum RAM amount
1 GB
12 GB
Memory bus width
256 Bit
192 Bit
Memory clock speed
4200 MHz
21000 MHz
Memory bandwidth
134.4 GB/s
504.2 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
+
+
DirectX
11.2 (11_0)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
1.2
3.0
OpenGL
4.4
4.6
Shader Model
5.0
6.7
Vulkan
N/A
1.3