Radeon HD 6450A vs RX 480 Mobile

Primary details

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

Place in the rankingnot rated1178
Place by popularitynot in top-100not in top-100
Power efficiencyno data1.87
ArchitectureGCN 4.0 (2016−2020)TeraScale 2 (2009−2015)
GPU code nameEllesmereCaicos
Market segmentLaptopLaptop
Release date4 August 2016 (8 years ago)7 April 2011 (13 years ago)
Launch price (MSRP)$450 no data

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 cores2304160
Core clock speed1000 MHz625 MHz
Boost clock speed1077 MHzno data
Number of transistors5,700 million370 million
Manufacturing process technology14 nm40 nm
Power consumption (TDP)100 Watt25 Watt
Texture fill rate155.15.000
Floating-point processing power4.963 TFLOPS0.2 TFLOPS
ROPs324
TMUs1448

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 sizelargeno data
InterfaceMXM-B (3.0)MXM-A (3.0)

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 typeGDDR5DDR3
Maximum RAM amount8 GB512 MB
Memory bus width256 Bit64 Bit
Memory clock speed2000 MHz533 MHz
Memory bandwidth256.0 GB/s8.528 GB/s
Shared memory-no 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 ConnectorsNo outputsNo outputs

API compatibility

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

DirectX12 (12_0)11.2 (11_0)
Shader Model6.45.0
OpenGL4.64.4
OpenCL2.01.2
Vulkan1.2.131N/A

Pros & cons summary


Recency 4 August 2016 7 April 2011
Maximum RAM amount 8 GB 512 MB
Chip lithography 14 nm 40 nm
Power consumption (TDP) 100 Watt 25 Watt

RX 480 Mobile has an age advantage of 5 years, a 1500% higher maximum VRAM amount, and a 185.7% more advanced lithography process.

HD 6450A, on the other hand, has 300% lower power consumption.

We couldn't decide between Radeon RX 480 Mobile and Radeon HD 6450A. 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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AMD Radeon RX 480 Mobile
Radeon RX 480 Mobile
AMD Radeon HD 6450A
Radeon HD 6450A

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.3 20 votes

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5 1 vote

Rate Radeon HD 6450A on a scale of 1 to 5:

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Questions & comments

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