Radeon R7 250 and Radeon RX 590 GME - video card comparison
Radeon R7 250
Radeon RX 590 GME
Architecture
GCN (2011−2017)
GCN 4.0 (2016−2020)
GPU code name
Oland XT
Polaris 20
Market segment
Desktop
Desktop
Release date
October 2013
March 2020
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Supplementary power connectors
N/A
1x 8-pin
Boost clock speed
1050 MHz
1420 MHz
Floating-point performance
716.8 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
950 million
5,700 million
Pipelines / CUDA cores
384
2304
Power consumption (TDP)
75 Watt
175 Watt
Texture fill rate
25.20
204.5
Memory type
DDR3, GDDR5
GDDR5
Maximum RAM amount
2 GB
8 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1150 MHz
8 GB/s
Memory bandwidth
72 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x HDMI 2.0b, 3x DisplayPort 1.4a
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 12
12 (12_0)
Mantle
-
-
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.7
Vulkan
-
1.3
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-