ATI Mobility Radeon HD 3450 vs ATI HD 5450

Primary details

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

Place in the ranking1287not rated
Place by popularitynot in top-100not in top-100
Power efficiency1.26no data
ArchitectureTeraScale 2 (2009−2015)TeraScale (2005−2013)
GPU code nameCedarM82
Market segmentDesktopLaptop
Release date4 February 2010 (14 years ago)7 January 2008 (16 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 cores8040
Core clock speed650 MHz500 MHz
Number of transistors292 million181 million
Manufacturing process technology40 nm55 nm
Power consumption (TDP)19 Watt12 Watt
Texture fill rate5.2002.000
Floating-point processing power0.104 TFLOPS0.04 TFLOPS
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 x16MXM-II
Length170 mmno data
Width1-slotno data
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 typeDDR2DDR2
Maximum RAM amount2 GB256 MB
Memory bus width64 Bit64 Bit
Memory clock speed400 MHz400 MHz
Memory bandwidth6.4 GB/s6.4 GB/s
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 HDMI, 1x VGANo outputs
HDMI+-

API compatibility

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

DirectX11.2 (11_0)10.1
Shader Model5.04.1
OpenGL4.43.3
OpenCL1.2N/A
VulkanN/AN/A

Pros & cons summary


Recency 4 February 2010 7 January 2008
Maximum RAM amount 2 GB 256 MB
Chip lithography 40 nm 55 nm
Power consumption (TDP) 19 Watt 12 Watt

ATI HD 5450 has an age advantage of 2 years, a 700% higher maximum VRAM amount, and a 37.5% more advanced lithography process.

ATI Mobility HD 3450, on the other hand, has 58.3% lower power consumption.

We couldn't decide between Radeon HD 5450 and Mobility Radeon HD 3450. We've got no test results to judge.

Be aware that Radeon HD 5450 is a desktop card while Mobility Radeon HD 3450 is a notebook one.


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
Radeon HD 5450
ATI Mobility Radeon HD 3450
Mobility Radeon HD 3450

Comparisons with similar GPUs

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Community ratings

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2.8 1200 votes

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3.6 8 votes

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Questions & comments

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