ATI Radeon X1550 vs ATI HD 5450 PCIe x1

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Primary details

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

Place in the rankingnot rated1409
Place by popularitynot in top-100not in top-100
Power efficiencyno data0.43
ArchitectureTeraScale 2 (2009−2015)Ultra-Threaded SE (2005−2007)
GPU code nameCedarRV516
Market segmentDesktopDesktop
Release date4 February 2010 (14 years ago)2007 (17 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 cores80no data
Core clock speed650 MHz550 MHz
Number of transistors292 million105 million
Manufacturing process technology40 nm90 nm
Power consumption (TDP)19 Watt27 Watt
Texture fill rate5.2002.200
Floating-point processing power0.104 TFLOPSno data
ROPs44
TMUs84

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 2.0 x1PCIe 1.0 x16
Length170 mmno data
Width1-slot1-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 typeDDR3DDR2
Maximum RAM amount512 MB256 MB
Memory bus width64 Bit128 Bit
Memory clock speed500 MHz800 MBps
Memory bandwidth8 GB/s12.8 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 DVI, 1x HDMI, 1x VGA1x DVI, 1x VGA, 1x S-Video
HDMI+-

API compatibility

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

DirectX11.2 (11_0)9.0c (9_3)
Shader Model5.03.0
OpenGL4.42.1
OpenCL1.2N/A
VulkanN/AN/A

Pros & cons summary


Maximum RAM amount 512 MB 256 MB
Chip lithography 40 nm 90 nm
Power consumption (TDP) 19 Watt 27 Watt

ATI HD 5450 PCIe x1 has a 100% higher maximum VRAM amount, a 125% more advanced lithography process, and 42.1% lower power consumption.

We couldn't decide between Radeon HD 5450 PCIe x1 and Radeon X1550. 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 HD 5450 PCIe x1
Radeon HD 5450 PCIe x1
ATI Radeon X1550
Radeon X1550

Comparisons with similar GPUs

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Community ratings

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3.4 19 votes

Rate Radeon HD 5450 PCIe x1 on a scale of 1 to 5:

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3.6 47 votes

Rate Radeon X1550 on a scale of 1 to 5:

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Questions & comments

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