Radeon RX 7990 XTX vs Mobility X1900

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Primary details

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

Place in performance rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureR500 (2005−2007)RDNA 3.0 (2022)
GPU code nameM59Navi 31
Market segmentLaptopDesktop
Release date11 January 2007 (17 years ago)2023 (1 year ago)

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores446144
Core clock speed8 MHzno data
Boost clock speed400 MHz3599 MHz
Number of transistors384 million57,700 million
Manufacturing process technology80 nm5 nm
Power consumption (TDP)no data405 Watt
Texture fill rate4.8001,382

Form factor & compatibility

Information on Mobility Radeon X1900 and Radeon RX 7990 XTX compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

Laptop sizelargeno data
InterfacePCIe 1.0 x16PCIe 4.0 x16
Lengthno data287 mm
Widthno data3-slot
Supplementary power connectorsno data3x 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 typeDDR1/DDR2/GDDR3GDDR6
Maximum RAM amount256 MB24 GB
Memory bus width256 Bit384 Bit
Memory clock speed960 MHz24 GB/s
Memory bandwidth30.72 GB/s1,152 GB/s
Shared memory-no data

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
HDMIno data+

API compatibility

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

DirectX9.0c (9_3)12 Ultimate (12_2)
Shader Model3.06.7
OpenGL2.04.6
OpenCLN/A2.2
VulkanN/A1.3

Pros & cons summary


Maximum RAM amount 256 MB 24 GB
Chip lithography 80 nm 5 nm

We couldn't decide between Mobility Radeon X1900 and Radeon RX 7990 XTX. We've got no test results to judge.

Be aware that Mobility Radeon X1900 is a notebook card while Radeon RX 7990 XTX 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 X1900
Mobility Radeon X1900
AMD Radeon RX 7990 XTX
Radeon RX 7990 XTX

Comparisons with similar GPUs

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Community ratings

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4.4 284 votes

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Questions & comments

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