Radeon R9 290X and Radeon RX 580G - video card comparison
Radeon R9 290X
Radeon RX 580G
Architecture
GCN (2011−2017)
GCN 4.0 (2016−2020)
GPU code name
Hawaii XT
Polaris 20
Market segment
Desktop
Desktop
Release date
October 2013
October 2018
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1 x 6-pin + 1 x 8-pin
1x 8-pin
Boost clock speed
947 MHz
1330 MHz
Core clock speed
-
1257 MHz
Floating-point performance
5,632 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
6,200 million
5,700 million
Pipelines / CUDA cores
2816
2304
Power consumption (TDP)
250 Watt
185 Watt
Texture fill rate
176.0
191.5
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
8 GB
Memory bus width
512 Bit
256 Bit
Memory clock speed
1250 MHz
8000 MHz
Memory bandwidth
320 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x HDMI, 3x DisplayPort
Eyefinity
+
-
HDMI
+
+
DisplayPort support
+
-
DirectX
DirectX® 12
12 (12_0)
Mantle
-
-
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.3
6.4
Vulkan
+
1.2.131
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-