Radeon RX 550 and Radeon HD 4870 X2 - video card comparison
Passmark - benchmark score Radeon RX 550 vs Radeon HD 4870 X2
Radeon RX 550
2809
Radeon HD 4870 X2
1348
Radeon RX 550
Radeon HD 4870 X2
Architecture
GCN 4.0 (2016−2020)
TeraScale (2005−2013)
GPU code name
Lexa
R700
Market segment
Desktop
Desktop
Release date
April 2017
August 2008
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
1x 6-pin + 1x 8-pin
Boost clock speed
1183 MHz
-
Core clock speed
1100 MHz
700 MHz
Floating-point performance
1,211 gflops
2x 1,120.0 gflops
Manufacturing process technology
14 nm
55 nm
Number of transistors
2,200 million
956 million
Pipelines / CUDA cores
512
800
Power consumption (TDP)
50 Watt
286 Watt
Texture fill rate
37.86
28.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
7000 MHz
3600 MHz
Memory bandwidth
112.0 GB/s
115.2 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x S-Video
HDMI
+
-
DirectX
12 (12_0)
10.1 (10_1)
OpenCL
2.0
1.1
OpenGL
4.6
3.3
Shader Model
6.4
4.1
Vulkan
1.2.131
N/A