Radeon RX 590 GME vs HD 6450 GDDR5

Primary details

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

Place in the ranking1114not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.48no data
ArchitectureTerascale 2 (2009−2015)GCN 4.0 (2016−2020)
GPU code nameCaicosPolaris 20
Market segmentDesktopDesktop
Release date18 April 2011 (13 years ago)9 March 2020 (4 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 cores1602304
Core clock speed750 MHz1257 MHz
Boost clock speedno data1420 MHz
Number of transistorsno data5,700 million
Manufacturing process technology40 nm14 nm
Power consumption (TDP)27 Watt175 Watt
Texture fill rateno data204.5
Floating-point processing powerno data6.543 TFLOPS
ROPsno data32
TMUsno data144

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 3.0 x16
Lengthno data241 mm
Widthno data2-slot
Supplementary power connectorsno data1x 8-pin

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 typeGDDR5GDDR5
Maximum RAM amount1 GB8 GB
Memory bus width64 Bit256 Bit
Memory clock speed900 MHz2000 MHz
Memory bandwidthno data256.0 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 data1x HDMI 2.0b, 3x DisplayPort 1.4a
HDMI-+

API compatibility

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

DirectX1112 (12_0)
Shader Modelno data6.7
OpenGLno data4.6
OpenCLno data2.1
Vulkan-1.3

Pros & cons summary


Recency 18 April 2011 9 March 2020
Maximum RAM amount 1 GB 8 GB
Chip lithography 40 nm 14 nm
Power consumption (TDP) 27 Watt 175 Watt

HD 6450 GDDR5 has 548.1% lower power consumption.

RX 590 GME, on the other hand, has an age advantage of 8 years, a 700% higher maximum VRAM amount, and a 185.7% more advanced lithography process.

We couldn't decide between Radeon HD 6450 GDDR5 and Radeon RX 590 GME. 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 HD 6450 GDDR5
Radeon HD 6450 GDDR5
AMD Radeon RX 590 GME
Radeon RX 590 GME

Comparisons with similar GPUs

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Community ratings

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3.4 24 votes

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4.3 535 votes

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Questions & comments

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