Radeon RX 6600M vs R7 450 OEM

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Primary details

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

Place in the rankingnot rated136
Place by popularitynot in top-100not in top-100
Power efficiencyno data24.58
ArchitectureGCN 1.0 (2011−2020)RDNA 2.0 (2020−2024)
GPU code nameCape VerdeNavi 23
Market segmentDesktopLaptop
Release date30 June 2016 (8 years ago)31 May 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 cores5121792
Core clock speed925 MHz2068 MHz
Boost clock speedno data2416 MHz
Number of transistors1,500 million11,060 million
Manufacturing process technology28 nm7 nm
Power consumption (TDP)65 Watt100 Watt
Texture fill rate29.60270.6
Floating-point processing power0.9472 TFLOPS8.659 TFLOPS
ROPs1664
TMUs32112
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).

Laptop sizeno datamedium sized
InterfacePCIe 3.0 x16PCIe 4.0 x8
Width1-slotno data
Supplementary power connectorsNoneNone

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 amount2 GB8 GB
Memory bus width128 Bit128 Bit
Memory clock speed1125 MHz1750 MHz
Memory bandwidth72 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 1.4a, 1x DisplayPort 1.2No outputs
HDMI+-

API compatibility

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

DirectX12 (11_1)12 Ultimate (12_2)
Shader Model6.5 (5.1)6.5
OpenGL4.64.6
OpenCL2.1 (1.2)2.1
Vulkan1.2.1701.3

Pros & cons summary


Recency 30 June 2016 31 May 2021
Maximum RAM amount 2 GB 8 GB
Chip lithography 28 nm 7 nm
Power consumption (TDP) 65 Watt 100 Watt

R7 450 OEM has 53.8% lower power consumption.

RX 6600M, on the other hand, has an age advantage of 4 years, a 300% higher maximum VRAM amount, and a 300% more advanced lithography process.

We couldn't decide between Radeon R7 450 OEM and Radeon RX 6600M. We've got no test results to judge.

Be aware that Radeon R7 450 OEM is a desktop card while Radeon RX 6600M is a notebook 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 R7 450 OEM
Radeon R7 450 OEM
AMD Radeon RX 6600M
Radeon RX 6600M

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Community ratings

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3.6 168 votes

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4.3 1003 votes

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Questions & comments

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