UHD Graphics 630 Mobile vs Radeon R5 M255

Primary details

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

Place in the ranking1002not rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 3.0 (2014−2019)Generation 9.5 (2016−2020)
GPU code nameTopazCoffee Lake GT2
Market segmentLaptopDesktop
Release date12 October 2014 (10 years ago)3 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 cores384192
Compute units5no data
Core clock speed925 MHz350 MHz
Boost clock speed940 MHz1000 MHz
Number of transistors1,550 millionno data
Manufacturing process technology28 nm14 nm+++
Power consumption (TDP)no data15 Watt
Texture fill rate22.5624.00
Floating-point processing power0.7219 TFLOPS0.384 TFLOPS
ROPs83
TMUs2424

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).

Bus supportPCIe 3.0 x8no data
InterfacePCIe 3.0 x8Ring Bus

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 typeDDR3System Shared
Maximum RAM amount4 GBSystem Shared
Memory bus width64 BitSystem Shared
Memory clock speed1000 MHzSystem Shared
Memory bandwidth16 GB/sno data
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 outputsPortable Device Dependent
Eyefinity+-

Supported technologies

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

AppAcceleration+-
HD3D+-
PowerTune+-
DualGraphics+-
ZeroCore+-
Switchable graphics+-

API compatibility

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

DirectXDirectX® 1112 (12_1)
Shader Model6.36.4
OpenGL4.44.6
OpenCLNot Listed3.0
Vulkan-1.3
Mantle+-

Pros & cons summary


Recency 12 October 2014 3 April 2018
Chip lithography 28 nm 14 nm

UHD Graphics 630 Mobile has an age advantage of 3 years, and a 100% more advanced lithography process.

We couldn't decide between Radeon R5 M255 and UHD Graphics 630 Mobile. We've got no test results to judge.

Be aware that Radeon R5 M255 is a notebook card while UHD Graphics 630 Mobile 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 R5 M255
Radeon R5 M255
Intel UHD Graphics 630 Mobile
UHD Graphics 630 Mobile

Comparisons with similar GPUs

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Community ratings

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2.4 65 votes

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1.4 15 votes

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Questions & comments

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