ATI Radeon X1900 XTX vs UHD Graphics 630

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Primary details

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

Place in the ranking761not rated
Place by popularity30not in top-100
Power efficiency14.12no data
ArchitectureGeneration 9.5 (2016−2020)R500 (2005−2007)
GPU code nameComet Lake GT2R580
Market segmentDesktopDesktop
Release date1 October 2017 (7 years ago)24 January 2006 (18 years ago)
Launch price (MSRP)no data$399

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 cores184no data
Core clock speed350 MHz650 MHz
Boost clock speed1150 MHzno data
Number of transistors189 million384 million
Manufacturing process technology14 nm+++90 nm
Power consumption (TDP)15 Watt135 Watt
Texture fill rate26.4510.40
Floating-point processing power0.4232 TFLOPSno data
ROPs316
TMUs2316

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 3.0 x1PCIe 1.0 x16
Lengthno data242 mm
WidthIGP2-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 SharedGDDR3
Maximum RAM amountSystem Shared512 MB
Memory bus widthSystem Shared256 Bit
Memory clock speedSystem Shared775 MHz
Memory bandwidthno data49.6 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 outputs2x DVI, 1x S-Video

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 Model6.53.0
OpenGL4.62.1 (full) 3.0 (partial)
OpenCL2.1N/A
Vulkan1.1.103N/A

Pros & cons summary


Recency 1 October 2017 24 January 2006
Chip lithography 14 nm 90 nm
Power consumption (TDP) 15 Watt 135 Watt

UHD Graphics 630 has an age advantage of 11 years, a 542.9% more advanced lithography process, and 800% lower power consumption.

We couldn't decide between UHD Graphics 630 and Radeon X1900 XTX. 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 UHD Graphics 630
UHD Graphics 630
ATI Radeon X1900 XTX
Radeon X1900 XTX

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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


3 3914 votes

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3.4 9 votes

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Questions & comments

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