Radeon RX 7900 XT vs ATI Mobility X800 XT

Primary details

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

Place in the rankingnot rated13
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data37.47
Power efficiencyno data17.25
ArchitectureR400 (2004−2008)RDNA 3.0 (2022−2024)
GPU code nameM28Navi 31
Market segmentLaptopDesktop
Release date1 June 2005 (19 years ago)3 November 2022 (2 years ago)
Launch price (MSRP)no data$899

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 coresno data5376
Core clock speed480 MHz1387 MHz
Boost clock speedno data2394 MHz
Number of transistors160 million57,700 million
Manufacturing process technology130 nm5 nm
Power consumption (TDP)no data300 Watt
Texture fill rate7.680804.4
Floating-point processing powerno data51.48 TFLOPS
ROPs16192
TMUs16336
Ray Tracing Coresno data84

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 x16
Lengthno data276 mm
Widthno data2-slot
Supplementary power connectorsno data2x 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 amount256 MB20 GB
Memory bus width256 Bit320 Bit
Memory clock speed550 MHz2500 MHz
Memory bandwidth35.2 GB/s800.0 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 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
HDMI-+

API compatibility

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

DirectX9.0b (9_2)12 Ultimate (12_2)
Shader Modelno data6.7
OpenGL2.04.6
OpenCLN/A2.2
VulkanN/A1.3

Pros & cons summary


Recency 1 June 2005 3 November 2022
Maximum RAM amount 256 MB 20 GB
Chip lithography 130 nm 5 nm

RX 7900 XT has an age advantage of 17 years, a 7900% higher maximum VRAM amount, and a 2500% more advanced lithography process.

We couldn't decide between Mobility Radeon X800 XT and Radeon RX 7900 XT. We've got no test results to judge.

Be aware that Mobility Radeon X800 XT is a notebook card while Radeon RX 7900 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 X800 XT
Mobility Radeon X800 XT
AMD Radeon RX 7900 XT
Radeon RX 7900 XT

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Community ratings

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