Radeon RX 6600 vs ATI Mobility X300

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
ArchitectureRage 9 (2003−2006)RDNA 2.0 (2020−2024)
GPU code nameM22Navi 23
Market segmentLaptopDesktop
Release date1 November 2005 (19 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 cores61792
Core clock speed350 MHz1626 MHz
Boost clock speed350 MHz2491 MHz
Number of transistors107 million11,060 million
Manufacturing process technology110 nm7 nm
Power consumption (TDP)no data132 Watt
Texture fill rate1.400279.0
Floating-point processing powerno data8.928 TFLOPS
ROPs464
TMUs4112
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 1.0 x16PCIe 4.0 x8
Lengthno data190 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 typeDDRGDDR6
Maximum RAM amount128 MB8 GB
Memory bus width64 Bit128 Bit
Memory clock speed250 MHz1750 MHz
Memory bandwidth4 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 ConnectorsNo outputs1x HDMI, 3x DisplayPort
HDMI-+

API compatibility

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

DirectX9.0b12.0 Ultimate (12_2)
Shader Modelno data6.5
OpenGL2.04.6
OpenCLN/A2.1
VulkanN/A1.2

Pros & cons summary


Recency 1 November 2005 13 October 2021
Maximum RAM amount 128 MB 8 GB
Chip lithography 110 nm 7 nm

RX 6600 has an age advantage of 15 years, a 6300% higher maximum VRAM amount, and a 1471.4% more advanced lithography process.

We couldn't decide between Mobility Radeon X300 and Radeon RX 6600. We've got no test results to judge.

Be aware that Mobility Radeon X300 is a notebook card while Radeon RX 6600 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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ATI Mobility Radeon X300
Mobility Radeon X300
AMD Radeon RX 6600
Radeon RX 6600

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.7 9 votes

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4.3 9158 votes

Rate Radeon RX 6600 on a scale of 1 to 5:

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Questions & comments

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