Radeon RX 580 and Radeon HD 7870 XT - video card comparison
Passmark - benchmark score Radeon RX 580 vs Radeon HD 7870 XT
Radeon RX 580
9140
Radeon HD 7870 XT
4603
Radeon RX 580
Radeon HD 7870 XT
Architecture
Polaris (2016−2019)
GCN 1.0 (2012−2020)
GPU code name
Polaris 20
Tahiti
Market segment
Desktop
Desktop
Release date
April 2017
November 2012
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 8-pin
2x 6-pin
Boost clock speed
1340 MHz
975 MHz
Core clock speed
1257 MHz
925 MHz
Floating-point performance
6,175 gflops
2,995 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
5,700 million
4,313 million
Pipelines / CUDA cores
2304
1536
Power consumption (TDP)
185 Watt
185 Watt
Texture fill rate
193.0
93.60
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
8000 MHz
6000 MHz
Memory bandwidth
256.0 GB/s
192.0 GB/s
Display Connectors
1x HDMI, 3x DisplayPort
1x DVI, 1x HDMI, 2x mini-DisplayPort
HDMI
+
+
DirectX
12 (12_0)
12 (11_1)
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.2.131
1.2.131