Radeon R5 A255 vs ATI Mobility HD 2300

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
ArchitectureR500 (2005−2007)GCN 3.0 (2014−2019)
GPU code nameM71Topaz
Market segmentLaptopDesktop
Release date1 March 2007 (17 years ago)2014 (10 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 cores6384
Core clock speed480 MHz925 MHz
Boost clock speed480 MHz940 MHz
Number of transistors107 million1,550 million
Manufacturing process technology80 nm28 nm
Texture fill rate1.92022.56
ROPs48
TMUs424

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).

InterfacePCIe 1.0 x16PCIe 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 typeDDR2GDDR5
Maximum RAM amount128 MB1 GB
Memory bus width128 Bit128 Bit
Memory clock speed400 MHz4 GB/s
Memory bandwidth12.8 GB/s64 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 ConnectorsNo outputsPortable Device Dependent

API compatibility

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

DirectX9.0c (9_3)12 (12_0)
Shader Model3.06.5
OpenGL2.04.6
OpenCLN/A2.1
VulkanN/A1.2.170

Pros & cons summary


Maximum RAM amount 128 MB 1 GB
Chip lithography 80 nm 28 nm

R5 A255 has a 700% higher maximum VRAM amount, and a 185.7% more advanced lithography process.

We couldn't decide between Mobility Radeon HD 2300 and Radeon R5 A255. We've got no test results to judge.

Be aware that Mobility Radeon HD 2300 is a notebook card while Radeon R5 A255 is a desktop one.


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

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ATI Mobility Radeon HD 2300
Mobility Radeon HD 2300
AMD Radeon R5 A255
Radeon R5 A255

Comparisons with similar GPUs

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Community ratings

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