UHD Graphics 770 vs ATI Radeon X1550 PCI

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Primary details

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

Place in the rankingnot rated578
Place by popularitynot in top-10028
Power efficiencyno data28.58
ArchitectureUltra-Threaded SE (2005−2007)Generation 12.2 (2022−2023)
GPU code nameRV516Raptor Lake GT1
Market segmentDesktopDesktop
Release date2007 (17 years ago)27 September 2022 (2 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 data256
Core clock speed452 MHz300 MHz
Boost clock speedno data1650 MHz
Number of transistors105 millionno data
Manufacturing process technology90 nm10 nm
Power consumption (TDP)27 Watt15 Watt
Texture fill rate1.80826.40
Floating-point processing powerno data0.8448 TFLOPS
ROPs48
TMUs416

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).

InterfacePCIRing Bus
Width1-slotIGP
Supplementary power connectorsNoneno data

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 typeDDR2System Shared
Maximum RAM amount256 MBSystem Shared
Memory bus width64 BitSystem Shared
Memory clock speed532 MBpsSystem Shared
Memory bandwidth4.256 GB/sno data
Shared memoryno 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 Connectors1x DVI, 1x VGA, 1x S-VideoMotherboard Dependent

API compatibility

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

DirectX9.0c (9_3)12 (12_1)
Shader Model3.06.6
OpenGL2.14.6
OpenCLN/A3.0
VulkanN/A1.3

Pros & cons summary


Chip lithography 90 nm 10 nm
Power consumption (TDP) 27 Watt 15 Watt

UHD Graphics 770 has a 800% more advanced lithography process, and 80% lower power consumption.

We couldn't decide between Radeon X1550 PCI and UHD Graphics 770. 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 Radeon X1550 PCI
Radeon X1550 PCI
Intel UHD Graphics 770
UHD Graphics 770

Comparisons with similar GPUs

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Community ratings

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3.7 13 votes

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3.2 1232 votes

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Questions & comments

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