ATI Mobility Radeon HD 5450 vs ATI Mobility HD 4550

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
ArchitectureTerascale 1 (2010)TeraScale 2 (2009−2015)
GPU code nameM92Park
Market segmentLaptopLaptop
Release date1 January 2010 (14 years ago)7 January 2010 (14 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 cores8080
Core clock speed550 MHz650 MHz
Number of transistors242 million292 million
Manufacturing process technology55 nm40 nm
Power consumption (TDP)no data11 Watt
Texture fill rate4.4005.200
Floating-point processing power0.088 TFLOPS0.104 TFLOPS
ROPs44
TMUs88

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).

InterfaceMXM-IIPCIe 2.0 x16
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 typeGDDR3, DDR2, DDR3GDDR3
Maximum RAM amount512 MB1 GB
Memory bus width64 Bit64 Bit
Memory clock speed700 MHz667 MHz
Memory bandwidth11.2 GB/s10.67 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 outputsNo outputs

API compatibility

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

DirectX10.1 (10_1)11.2 (11_0)
Shader Model4.15.0
OpenGL3.34.4
OpenCL1.11.2
VulkanN/AN/A

Pros & cons summary


Maximum RAM amount 512 MB 1 GB
Chip lithography 55 nm 40 nm

ATI Mobility HD 5450 has a 100% higher maximum VRAM amount, and a 37.5% more advanced lithography process.

We couldn't decide between Mobility Radeon HD 4550 and Mobility Radeon HD 5450. 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 Mobility Radeon HD 4550
Mobility Radeon HD 4550
ATI Mobility Radeon HD 5450
Mobility Radeon HD 5450

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Community ratings

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2.6 35 votes

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3.1 22 votes

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Questions & comments

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