Radeon HD 7870 and GeForce GTX 1070 GDDR5X - video card comparison
Radeon HD 7870
GeForce GTX 1070 GDDR5X
Architecture
GCN (2011−2017)
Pascal (2016−2021)
GPU code name
Pitcairn XT
GP104
Market segment
Desktop
Desktop
Release date
March 2012
December 2018
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
1x 8-pin
Boost clock speed
-
1683 MHz
Core clock speed
1000 MHz
1506 MHz
Manufacturing process technology
28 nm
16 nm
Number of transistors
2800 Million
7,200 million
Pipelines / CUDA cores
1280
1920
Power consumption (TDP)
175 Watt
150 Watt
Texture fill rate
80.00
202.0
Memory type
GDDR5
GDDR5X
Maximum RAM amount
2 GB
8 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
4800 MHz
8008 MHz
Memory bandwidth
153.6 GB/s
256.3 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x HDMI, 3x DisplayPort
Eyefinity
+
-
HDMI
+
+
DirectX
12 (11_1)
12 (12_1)
CUDA
-
6.1
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.2.131
1.2.131