Radeon RX 550 and Radeon HD 7870M - video card comparison
Passmark - benchmark score Radeon RX 550 vs Radeon HD 7870M
Radeon RX 550
2809
Radeon HD 7870M
1552
Radeon RX 550
Radeon HD 7870M
Architecture
GCN 4.0 (2016−2020)
GCN (2011−2017)
GPU code name
Lexa
Heathrow XT
Market segment
Desktop
Laptop
Release date
April 2017
April 2012
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Supplementary power connectors
None
-
Boost clock speed
1183 MHz
-
Core clock speed
1100 MHz
800 MHz
Floating-point performance
1,211 gflops
1,024 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
2,200 million
1,500 million
Pipelines / CUDA cores
512
640
Power consumption (TDP)
50 Watt
45 Watt
Texture fill rate
37.86
32.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
7000 MHz
4000 MHz
Memory bandwidth
112.0 GB/s
64 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_0)
12 (11_1)
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.2.131
1.2.131