Radeon 550X Mobile vs HD 7470A

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureTeraScale 2 (2009−2015)GCN 4.0 (2016−2020)
GPU code nameCaicosPolaris 23
Market segmentLaptopLaptop
Release date5 January 2012 (12 years ago)11 April 2018 (6 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores160640
Core clock speed625 MHz1100 MHz
Boost clock speedno data1287 MHz
Number of transistors370 million2,200 million
Manufacturing process technology40 nm14 nm
Power consumption (TDP)25 Watt50 Watt
Texture fill rate5.00051.48
Floating-point processing power0.2 TFLOPS1.647 TFLOPS
ROPs416
TMUs840

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfaceMXM-A (3.0)PCIe 3.0 x8

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR3GDDR5
Maximum RAM amount512 MB4 GB
Memory bus width64 Bit64 Bit
Memory clock speed800 MHz1500 MHz
Memory bandwidth12.8 GB/s48 GB/s

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputsNo outputs

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX11.2 (11_0)12 (12_0)
Shader Model5.06.4
OpenGL4.44.6
OpenCL1.22.0
VulkanN/A1.2.131

Pros & cons summary


Recency 5 January 2012 11 April 2018
Maximum RAM amount 512 MB 4 GB
Chip lithography 40 nm 14 nm
Power consumption (TDP) 25 Watt 50 Watt

HD 7470A has 100% lower power consumption.

550X Mobile, on the other hand, has an age advantage of 6 years, a 700% higher maximum VRAM amount, and a 185.7% more advanced lithography process.

We couldn't decide between Radeon HD 7470A and Radeon 550X Mobile. We've got no test results to judge.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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AMD Radeon HD 7470A
Radeon HD 7470A
AMD Radeon 550X Mobile
Radeon 550X Mobile

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