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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