GeForce RTX 4090 Mobile vs Radeon Instinct MI250X

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Primary details

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

Place in the rankingnot rated18
Place by popularitynot in top-100not in top-100
Power efficiencyno data41.16
ArchitectureCDNA 2.0 (2021)Ada Lovelace (2022−2024)
GPU code nameAldebaranAD103
Market segmentWorkstationLaptop
Release date8 November 2021 (3 years ago)3 January 2023 (1 year 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 cores140809728
Core clock speed1000 MHz1335 MHz
Boost clock speed1700 MHz1695 MHz
Number of transistors58,200 million45,900 million
Manufacturing process technology6 nm4 nm
Power consumption (TDP)500 Watt120 Watt
Texture fill rate1,496515.3
Floating-point processing power47.87 TFLOPS32.98 TFLOPS
ROPsno data112
TMUs880304
Tensor Coresno data304
Ray Tracing Coresno data76

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 datalarge
InterfacePCIe 4.0 x16PCIe 4.0 x16
Length267 mmno data
Width2-slotno data
Supplementary power connectors2x 8-pinno data

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 typeHBM2eGDDR6
Maximum RAM amount128 GB16 GB
Memory bus width8192 Bit256 Bit
Memory clock speed1600 MHz2250 MHz
Memory bandwidth3,277 GB/s576.0 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 outputsPortable Device Dependent

API compatibility

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

DirectXN/A12 Ultimate (12_2)
Shader ModelN/A6.7
OpenGLN/A4.6
OpenCL3.03.0
VulkanN/A1.3
CUDA-8.9

Pros & cons summary


Recency 8 November 2021 3 January 2023
Maximum RAM amount 128 GB 16 GB
Chip lithography 6 nm 4 nm
Power consumption (TDP) 500 Watt 120 Watt

Instinct MI250X has a 700% higher maximum VRAM amount.

RTX 4090 Mobile, on the other hand, has an age advantage of 1 year, a 50% more advanced lithography process, and 316.7% lower power consumption.

We couldn't decide between Radeon Instinct MI250X and GeForce RTX 4090 Mobile. We've got no test results to judge.

Be aware that Radeon Instinct MI250X is a workstation card while GeForce RTX 4090 Mobile 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 Instinct MI250X
Radeon Instinct MI250X
NVIDIA GeForce RTX 4090 Mobile
GeForce RTX 4090 Mobile

Comparisons with similar GPUs

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Community ratings

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3.5 124 votes

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3.6 666 votes

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Questions & comments

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