RTX A3000 Mobile 12 GB vs Radeon HD 6450 GDDR5

Primary details

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

Place in the ranking1117not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.47no data
ArchitectureTerascale 2 (2009−2015)Ampere (2020−2024)
GPU code nameCaicosGA104
Market segmentDesktopMobile workstation
Release date18 April 2011 (13 years ago)12 April 2021 (3 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 cores1604096
Core clock speed750 MHz495 MHz
Boost clock speedno data1170 MHz
Number of transistorsno data17,400 million
Manufacturing process technology40 nm8 nm
Power consumption (TDP)27 Watt70 Watt
Texture fill rateno data149.8
Floating-point processing powerno data9.585 TFLOPS
ROPsno data64
TMUsno data128
Tensor Coresno data128
Ray Tracing Coresno data32

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).

Interfaceno dataPCIe 4.0 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 typeGDDR5GDDR6
Maximum RAM amount1 GB12 GB
Memory bus width64 Bit192 Bit
Memory clock speed900 MHz1750 MHz
Memory bandwidthno data336.0 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 dataPortable Device Dependent

API compatibility

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

DirectX1112 Ultimate (12_2)
Shader Modelno data6.7
OpenGLno data4.6
OpenCLno data3.0
Vulkan-1.3
CUDA-8.6

Pros & cons summary


Recency 18 April 2011 12 April 2021
Maximum RAM amount 1 GB 12 GB
Chip lithography 40 nm 8 nm
Power consumption (TDP) 27 Watt 70 Watt

HD 6450 GDDR5 has 159.3% lower power consumption.

RTX A3000 Mobile 12 GB, on the other hand, has an age advantage of 9 years, a 1100% higher maximum VRAM amount, and a 400% more advanced lithography process.

We couldn't decide between Radeon HD 6450 GDDR5 and RTX A3000 Mobile 12 GB. We've got no test results to judge.

Be aware that Radeon HD 6450 GDDR5 is a desktop card while RTX A3000 Mobile 12 GB is a mobile workstation 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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AMD Radeon HD 6450 GDDR5
Radeon HD 6450 GDDR5
NVIDIA RTX A3000 Mobile 12 GB
RTX A3000 Mobile 12 GB

Comparisons with similar GPUs

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Community ratings

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3.4 24 votes

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3 21 vote

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Questions & comments

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