GeForce RTX 4090 Max-Q vs 256 SDR

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Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureCelsius (1999−2005)Ada Lovelace (2022−2024)
GPU code nameNV10 A3AD103
Market segmentDesktopLaptop
Release date11 October 1999 (25 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 coresno data9728
Core clock speed120 MHz930 MHz
Boost clock speedno data1455 MHz
Number of transistors17 million45,900 million
Manufacturing process technology220 nm4 nm
Power consumption (TDP)no data80 Watt
Texture fill rate0.48442.3
Floating-point processing powerno data28.31 TFLOPS
ROPs4112
TMUs4304
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).

InterfaceAGP 4xPCIe 4.0 x16
Width1-slotno data
Supplementary power connectorsNoneNone

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 typeSDRGDDR6
Maximum RAM amount32 MB16 GB
Memory bus width64 Bit256 Bit
Memory clock speed143 MHz1750 MHz
Memory bandwidth1.144 GB/s448.0 GB/s

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 Connectors1x VGAPortable Device Dependent

API compatibility

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

DirectX7.012 Ultimate (12_2)
Shader Modelno data6.7
OpenGL1.24.6
OpenCLN/A3.0
VulkanN/A1.3
CUDA-8.9

Pros & cons summary


Recency 11 October 1999 3 January 2023
Maximum RAM amount 32 MB 16 GB
Chip lithography 220 nm 4 nm

RTX 4090 Max-Q has an age advantage of 23 years, a 51100% higher maximum VRAM amount, and a 5400% more advanced lithography process.

We couldn't decide between GeForce 256 SDR and GeForce RTX 4090 Max-Q. We've got no test results to judge.

Be aware that GeForce 256 SDR is a desktop card while GeForce RTX 4090 Max-Q 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 256 SDR
GeForce 256 SDR
NVIDIA GeForce RTX 4090 Max-Q
GeForce RTX 4090 Max-Q

Comparisons with similar GPUs

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Community ratings

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3.4 81 vote

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3.3 146 votes

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Questions & comments

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