Radeon RX 6600 vs HD 6450 OEM

Primary details

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

Place in the rankingnot rated108
Place by popularitynot in top-10015
Cost-effectiveness evaluationno data68.01
Power efficiencyno data20.60
ArchitectureTeraScale 2 (2009−2015)RDNA 2.0 (2020−2024)
GPU code nameCaicosNavi 23
Market segmentDesktopDesktop
Release date7 February 2011 (13 years ago)13 October 2021 (3 years ago)
Launch price (MSRP)no data$329

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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 cores1601792
Core clock speed625 MHz1626 MHz
Boost clock speedno data2491 MHz
Number of transistors370 million11,060 million
Manufacturing process technology40 nm7 nm
Power consumption (TDP)18 Watt132 Watt
Texture fill rate5.000279.0
Floating-point processing power0.2 TFLOPS8.928 TFLOPS
ROPs464
TMUs8112
Ray Tracing Coresno data28

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 4.0 x8
Length168 mm190 mm
Width1-slot2-slot
Supplementary power connectorsNone1x 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 typeGDDR3GDDR6
Maximum RAM amount512 MB8 GB
Memory bus width64 Bit128 Bit
Memory clock speed533 MHz1750 MHz
Memory bandwidth8.528 GB/s224.0 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 Connectors1x DVI, 1x HDMI, 1x VGA1x HDMI, 3x DisplayPort
HDMI++

API compatibility

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

DirectX11.2 (11_0)12.0 Ultimate (12_2)
Shader Model5.06.5
OpenGL4.44.6
OpenCL1.22.1
VulkanN/A1.2

Pros & cons summary


Recency 7 February 2011 13 October 2021
Maximum RAM amount 512 MB 8 GB
Chip lithography 40 nm 7 nm
Power consumption (TDP) 18 Watt 132 Watt

HD 6450 OEM has 633.3% lower power consumption.

RX 6600, on the other hand, has an age advantage of 10 years, a 1500% higher maximum VRAM amount, and a 471.4% more advanced lithography process.

We couldn't decide between Radeon HD 6450 OEM and Radeon RX 6600. 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 OEM
Radeon HD 6450 OEM
AMD Radeon RX 6600
Radeon RX 6600

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Community ratings

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2.8 6 votes

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Questions & comments

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