GeForce RTX 4090 Mobile vs GTX 490

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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 data41.13
ArchitectureFermi (2010−2014)Ada Lovelace (2022−2024)
GPU code nameGF100AD103
Market segmentDesktopLaptop
Release dateno data3 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 cores4809728
Core clock speed608 MHz1335 MHz
Boost clock speedno data1695 MHz
Number of transistors3,100 million45,900 million
Manufacturing process technology40 nm4 nm
Power consumption (TDP)365 Watt120 Watt
Texture fill rate36.48515.3
Floating-point processing power1.166 TFLOPS32.98 TFLOPS
ROPs48112
TMUs60304
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 2.0 x16PCIe 4.0 x16
Length279 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 typeGDDR5GDDR6
Maximum RAM amount1536 MB16 GB
Memory bus width384 Bit256 Bit
Memory clock speed854 MHz2250 MHz
Memory bandwidth164.0 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 Connectors3x DVI, 1x mini-DisplayPortPortable Device Dependent

API compatibility

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

DirectX12 (11_0)12 Ultimate (12_2)
Shader Model5.16.7
OpenGL4.64.6
OpenCL1.13.0
VulkanN/A1.3
CUDA2.08.9

Pros & cons summary


Maximum RAM amount 1536 MB 16 GB
Chip lithography 40 nm 4 nm
Power consumption (TDP) 365 Watt 120 Watt

RTX 4090 Mobile has a 966.7% higher maximum VRAM amount, a 900% more advanced lithography process, and 204.2% lower power consumption.

We couldn't decide between GeForce GTX 490 and GeForce RTX 4090 Mobile. We've got no test results to judge.

Be aware that GeForce GTX 490 is a desktop 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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NVIDIA GeForce GTX 490
GeForce GTX 490
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 30 votes

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3.6 669 votes

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Questions & comments

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