ATI Mobility Radeon HD 5450 vs ATI Mobility HD 4670

Primary details

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

Place in the ranking1047not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.37no data
ArchitectureTeraScale (2005−2013)TeraScale 2 (2009−2015)
GPU code nameM96Park
Market segmentLaptopLaptop
Release date9 January 2009 (15 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 cores32080
Core clock speed675 MHz650 MHz
Number of transistors514 million292 million
Manufacturing process technology55 nm40 nm
Power consumption (TDP)35 Watt11 Watt
Texture fill rate21.605.200
Floating-point processing power0.432 TFLOPS0.104 TFLOPS
ROPs84
TMUs328

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).

Laptop sizemedium sizedno data
InterfaceMXM-A (3.0)PCIe 2.0 x16

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 typeGDDR3GDDR3
Maximum RAM amount512 MB1 GB
Memory bus width128 Bit64 Bit
Memory clock speed800 MHz667 MHz
Memory bandwidth25.6 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


Recency 9 January 2009 7 January 2010
Maximum RAM amount 512 MB 1 GB
Chip lithography 55 nm 40 nm
Power consumption (TDP) 35 Watt 11 Watt

ATI Mobility HD 5450 has an age advantage of 11 months, a 100% higher maximum VRAM amount, a 37.5% more advanced lithography process, and 218.2% lower power consumption.

We couldn't decide between Mobility Radeon HD 4670 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 4670
Mobility Radeon HD 4670
ATI Mobility Radeon HD 5450
Mobility Radeon HD 5450

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Community ratings

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3.9 13 votes

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3.1 22 votes

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Questions & comments

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