
Radeon HD 8790M and Radeon RX 550X - video card comparison
Passmark - benchmark score Radeon HD 8790M vs Radeon RX 550X
Radeon HD 8790M
1344
Radeon RX 550X
2322
Radeon HD 8790M
Radeon RX 550X
Architecture
GCN (2011−2017)
GCN 4.0 (2016−2020)
GPU code name
Mars XTX
Lexa
Market segment
Laptop
Desktop
Release date
November 2012
December 2018
Interface
MXM-A (3.0)
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
900 MHz
1183 MHz
Core clock speed
850 MHz
1100 MHz
Floating-point performance
691.2 gflops
1,211 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
950 million
2,200 million
Pipelines / CUDA cores
384
512
Power consumption (TDP)
unknown
50 Watt
Texture fill rate
21.60
37.86
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4500 MHz
6000 MHz
Memory bandwidth
64 GB/s
96 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12 (11_1)
12 (12_0)
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.2.131
1.2.131