Radeon RX 550 640SP vs ATI Graphics Ultra Pro PCI

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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
ArchitectureMach (1992−1997)GCN 4.0 (2016−2020)
GPU code nameMach32Baffin
Market segmentDesktopDesktop
Release date1993 (31 year ago)13 October 2017 (7 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 coresno data640
Core clock speed66 MHz1019 MHz
Boost clock speedno data1071 MHz
Number of transistorsno data3,000 million
Manufacturing process technology700 nm14 nm
Power consumption (TDP)no data60 Watt
Texture fill rateno data42.84
Floating-point processing powerno data1.371 TFLOPS
ROPs116
TMUsno data40

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).

InterfacePCIPCIe 3.0 x8
Lengthno data145 mm
Width1-slot2-slot
Supplementary power connectorsno dataNone

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 typeDRAMGDDR5
Maximum RAM amount1 MB2 GB
Memory bus width64 Bit128 Bit
Memory clock speed83 MHz1500 MHz
Memory bandwidth664.0 MB/s96 GB/s

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 Connectors1x VGA1x DVI, 1x HDMI, 1x DisplayPort
HDMI-+

API compatibility

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

DirectXN/A12 (12_0)
Shader Modelno data6.4
OpenGLN/A4.6
OpenCLN/A2.0
VulkanN/A1.2.131

Pros & cons summary


Maximum RAM amount 1 MB 2 GB
Chip lithography 700 nm 14 nm

RX 550 640SP has a 204700% higher maximum VRAM amount, and a 4900% more advanced lithography process.

We couldn't decide between Graphics Ultra Pro PCI and Radeon RX 550 640SP. 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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ATI Graphics Ultra Pro PCI
Graphics Ultra Pro PCI
AMD Radeon RX 550 640SP
Radeon RX 550 640SP

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.


5 1 vote

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3.8 40 votes

Rate Radeon RX 550 640SP on a scale of 1 to 5:

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Questions & comments

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