ATI Mobility Radeon X2300 vs HD Graphics 620

Primary details

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

Place in the ranking840not rated
Place by popularity63not in top-100
Power efficiency11.18no data
ArchitectureGeneration 9.5 (2016−2020)R500 (2005−2007)
GPU code nameKaby Lake GT2M64
Market segmentLaptopLaptop
Release date30 August 2016 (8 years ago)1 March 2007 (17 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 cores1926
Core clock speed300 MHz479 MHz
Boost clock speed1000 MHz480 MHz
Number of transistors189 million107 million
Manufacturing process technology14 nm++80 nm
Power consumption (TDP)15 Wattno data
Texture fill rate24.001.916
Floating-point processing power0.384 TFLOPSno data
ROPs34
TMUs244

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).

InterfaceRing BusPCIe 1.0 x16

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 typeDDR3L/LPDDR3/LPDDR4DDR2
Maximum RAM amount32 GB64 MB
Memory bus widthSystem Shared64 Bit
Memory clock speedSystem Shared392 MHz
Memory bandwidthno data6.272 GB/s
Shared memory+-

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 ConnectorsPortable Device DependentNo outputs

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

Quick Sync+no data

API compatibility

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

DirectX12 (12_1)9.0c (9_3)
Shader Model6.43.0
OpenGL4.62.0
OpenCL3.0N/A
Vulkan+N/A

Pros & cons summary


Recency 30 August 2016 1 March 2007
Maximum RAM amount 32 GB 64 MB
Chip lithography 14 nm 80 nm

HD Graphics 620 has an age advantage of 9 years, a 51100% higher maximum VRAM amount, and a 471.4% more advanced lithography process.

We couldn't decide between HD Graphics 620 and Mobility Radeon X2300. 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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Intel HD Graphics 620
HD Graphics 620
ATI Mobility Radeon X2300
Mobility Radeon X2300

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.1 2673 votes

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3.6 57 votes

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Questions & comments

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