Radeon RX 6600 XT vs ATI Mobility X800XT

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Primary details

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

Place in the rankingnot rated90
Place by popularitynot in top-10093
Cost-effectiveness evaluationno data62.98
Power efficiencyno data18.36
Architectureno dataRDNA 2.0 (2020−2024)
GPU code nameM28ProNavi 23
Market segmentLaptopDesktop
Release date8 June 2005 (19 years ago)30 July 2021 (3 years ago)
Launch price (MSRP)no data$379

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 cores222048
Core clock speed6 MHz1968 MHz
Boost clock speed480 MHz2589 MHz
Number of transistorsno data11,060 million
Manufacturing process technology130 nm7 nm
Power consumption (TDP)no data160 Watt
Texture fill rateno data331.4
Floating-point processing powerno data10.6 TFLOPS
ROPsno data64
TMUsno data128
Ray Tracing Coresno data32

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 sizelargeno data
Interfaceno dataPCIe 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 type256GDDR6
Maximum RAM amountno data8 GB
Memory bus width256 Bit128 Bit
Memory clock speed550 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, 2x DisplayPort
HDMI-+

API compatibility

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

DirectXno data12.0 Ultimate (12_2)
Shader Modelno data6.5
OpenGLno data4.6
OpenCLno data2.1
Vulkan-1.2

Pros & cons summary


Recency 8 June 2005 30 July 2021
Chip lithography 130 nm 7 nm

RX 6600 XT has an age advantage of 16 years, and a 1757.1% more advanced lithography process.

We couldn't decide between Mobility Radeon X800XT and Radeon RX 6600 XT. We've got no test results to judge.

Be aware that Mobility Radeon X800XT is a notebook card while Radeon RX 6600 XT 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 X800XT
Mobility Radeon X800XT
AMD Radeon RX 6600 XT
Radeon RX 6600 XT

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Community ratings

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4.3 4340 votes

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Questions & comments

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