Radeon RX 550 and Radeon HD 2900 XT - video card comparison
Passmark - benchmark score Radeon RX 550 vs Radeon HD 2900 XT
Radeon RX 550
2809
Radeon HD 2900 XT
679
Radeon RX 550
Radeon HD 2900 XT
Architecture
GCN 4.0 (2016−2020)
TeraScale (2005−2013)
GPU code name
Lexa
R600
Market segment
Desktop
Desktop
Release date
April 2017
May 2007
Interface
PCIe 3.0 x8
PCIe 1.0 x16
Supplementary power connectors
None
1x 6-pin + 1x 8-pin
Boost clock speed
1183 MHz
-
Core clock speed
1100 MHz
743 MHz
Floating-point performance
1,211 gflops
475.5 gflops
Manufacturing process technology
14 nm
80 nm
Number of transistors
2,200 million
720 million
Pipelines / CUDA cores
512
320
Power consumption (TDP)
50 Watt
215 Watt
Texture fill rate
37.86
11.89
Memory type
GDDR5
GDDR3
Maximum RAM amount
4 GB
512 MB
Memory bus width
128 Bit
512 Bit
Memory clock speed
7000 MHz
1656 MHz
Memory bandwidth
112.0 GB/s
106.0 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x S-Video
HDMI
+
-
DirectX
12 (12_0)
10.0 (10_0)
OpenCL
2.0
N/A
OpenGL
4.6
3.3
Shader Model
6.4
4.0
Vulkan
1.2.131
N/A