Radeon HD 7870 XT and Radeon RX 590 - video card comparison
Passmark - benchmark score Radeon HD 7870 XT vs Radeon RX 590
Radeon HD 7870 XT
4603
Radeon RX 590
9695
Radeon HD 7870 XT
Radeon RX 590
Architecture
GCN 1.0 (2012−2020)
Polaris (2016−2019)
GPU code name
Tahiti
Polaris 30
Market segment
Desktop
Desktop
Release date
November 2012
November 2018
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
1x 8-pin
Boost clock speed
975 MHz
1545 MHz
Core clock speed
925 MHz
1469 MHz
Floating-point performance
2,995 gflops
-
Manufacturing process technology
28 nm
12 nm
Number of transistors
4,313 million
5,700 million
Pipelines / CUDA cores
1536
2304
Power consumption (TDP)
185 Watt
175 Watt
Texture fill rate
93.60
222.5
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
8 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
6000 MHz
8000 MHz
Memory bandwidth
192.0 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x HDMI, 3x DisplayPort
HDMI
+
+
DirectX
12 (11_1)
12 (12_0)
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.2.131
1.2.131
FreeSync
-
+