Radeon R4 Graphics vs R6 M255DX

Primary details

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

Place in the ranking960not rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 1.0 (2011−2020)GCN 2.0 (2013−2017)
GPU code nameJetBeema
Market segmentDesktopDesktop
Release date7 January 2014 (10 years ago)11 June 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 cores320128
Core clock speed780 MHz800 MHz
Boost clock speed855 MHzno data
Number of transistors690 million930 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)no data15 Watt
Texture fill rate17.106.400
Floating-point processing power0.5472 TFLOPS0.2048 TFLOPS
ROPs84
TMUs208

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).

InterfaceIGPIGP
WidthIGPIGP

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 SharedSystem Shared
Maximum RAM amountSystem SharedSystem Shared
Memory bus widthSystem SharedSystem Shared
Memory clock speedSystem SharedSystem Shared
Shared memory+no data

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
Eyefinity+-

Supported technologies

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

AppAcceleration+-

API compatibility

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

DirectX12 (11_1)12 (12_0)
Shader Model5.16.3
OpenGL4.64.6
OpenCL1.22.0
Vulkan1.2.1311.2.131

Pros & cons summary


Recency 7 January 2014 11 June 2014

R4 Graphics has an age advantage of 5 months.

We couldn't decide between Radeon R6 M255DX and Radeon R4 Graphics. 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 R6 M255DX
Radeon R6 M255DX
AMD Radeon R4 Graphics
Radeon R4 Graphics

Comparisons with similar GPUs

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Community ratings

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2.8 16 votes

Rate Radeon R6 M255DX on a scale of 1 to 5:

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2.7 1195 votes

Rate Radeon R4 Graphics on a scale of 1 to 5:

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Questions & comments

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