Radeon R9 255 OEM vs HD 6310

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Primary details

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

Place in the ranking1313not rated
Place by popularitynot in top-100not in top-100
Power efficiency1.22no data
ArchitectureTeraScale 2 (2009−2015)GCN 1.0 (2011−2020)
GPU code nameLovelandCape Verde
Market segmentLaptopDesktop
Release date9 November 2010 (14 years ago)21 December 2013 (11 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 cores80512
Core clock speed276 MHz900 MHz
Boost clock speedno data930 MHz
Number of transistors450 million1,500 million
Manufacturing process technology40 nm28 nm
Power consumption (TDP)18 Watt65 Watt
Texture fill rate2.20829.76
Floating-point processing power0.04416 TFLOPS0.9523 TFLOPS
ROPs416
TMUs832

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).

InterfaceIGPPCIe 3.0 x16
Widthno data2-slot
Supplementary power connectorsno data1x 6-pin

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 typeSystem SharedGDDR5
Maximum RAM amountSystem Shared2 GB
Memory bus widthSystem Shared128 Bit
Memory clock speedSystem Shared1150 MHz
Memory bandwidthno data73.6 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 outputsNo outputs

API compatibility

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

DirectX11.2 (11_0)12 (11_1)
Shader Model5.05.1
OpenGL4.44.6
OpenCL1.21.2
VulkanN/A1.2.131

Pros & cons summary


Recency 9 November 2010 21 December 2013
Chip lithography 40 nm 28 nm
Power consumption (TDP) 18 Watt 65 Watt

HD 6310 has 261.1% lower power consumption.

R9 255 OEM, on the other hand, has an age advantage of 3 years, and a 42.9% more advanced lithography process.

We couldn't decide between Radeon HD 6310 and Radeon R9 255 OEM. We've got no test results to judge.

Be aware that Radeon HD 6310 is a notebook card while Radeon R9 255 OEM 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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AMD Radeon HD 6310
Radeon HD 6310
AMD Radeon R9 255 OEM
Radeon R9 255 OEM

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Community ratings

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Questions & comments

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