Radeon R7 250X and Radeon RX 550X - video card comparison
Passmark - benchmark score Radeon R7 250X vs Radeon RX 550X
Radeon R7 250X
2336
Radeon RX 550X
2322
Radeon R7 250X
Radeon RX 550X
Architecture
GCN 1.0 (2012−2020)
GCN 4.0 (2016−2020)
GPU code name
Cape Verde
Lexa
Market segment
Desktop
Desktop
Release date
February 2014
December 2018
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1 x 6-pin
None
Boost clock speed
1000 MHz
1183 MHz
Core clock speed
-
1100 MHz
Floating-point performance
1,216 gflops
1,211 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
1,500 million
2,200 million
Pipelines / CUDA cores
640
512
Power consumption (TDP)
80 Watt
50 Watt
Texture fill rate
38.00
37.86
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1625 MHz
6000 MHz
Memory bandwidth
96 GB/s
96 GB/s
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
Eyefinity
1
-
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 12
12 (12_0)
Mantle
-
-
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
-
1.2.131
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-