Radeon R5 A320 vs HD 6450M

Primary details

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

Place in the ranking1182not rated
Place by popularitynot in top-100not in top-100
ArchitectureTeraScale 2 (2009−2015)GCN 1.0 (2011−2020)
GPU code nameSeymourJet
Market segmentLaptopDesktop
Release date4 January 2011 (13 years ago)2015 (9 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 cores160320
Core clock speed600 MHz750 MHz
Boost clock speedno data825 MHz
Number of transistors370 million690 million
Manufacturing process technology40 nm28 nm
Texture fill rate4.80016.50
Floating-point processing power0.192 TFLOPSno data
ROPs48
TMUs820

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 x16PCIe 3.0 x8

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 typeDDR3DDR3
Maximum RAM amount1 GB1 GB
Memory bus width64 Bit64 Bit
Memory clock speed800 MHz2 GB/s
Memory bandwidth12.8 GB/s16 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 outputsPortable Device Dependent

API compatibility

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

DirectX11.2 (11_0)12 (11_1)
Shader Model5.06.5 (5.1)
OpenGL4.44.6
OpenCL1.22.1 (1.2)
VulkanN/A1.2.170

Pros & cons summary


Chip lithography 40 nm 28 nm

R5 A320 has a 42.9% more advanced lithography process.

We couldn't decide between Radeon HD 6450M and Radeon R5 A320. We've got no test results to judge.

Be aware that Radeon HD 6450M is a notebook card while Radeon R5 A320 is a desktop 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 6450M
Radeon HD 6450M
AMD Radeon R5 A320
Radeon R5 A320

Comparisons with similar GPUs

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Community ratings

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3.5 6 votes

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4 4 votes

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Questions & comments

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