GeForce RTX 4090 Max-Q vs ATI Mobility Radeon HD 2600 XT

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
ArchitectureTeraScale (2005−2013)Ada Lovelace (2022−2024)
GPU code nameM76AD103
Market segmentLaptopLaptop
Release date14 May 2007 (17 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 cores1209728
Core clock speed680 MHz930 MHz
Boost clock speedno data1455 MHz
Number of transistors390 million45,900 million
Manufacturing process technology65 nm4 nm
Power consumption (TDP)no data80 Watt
Texture fill rate5.440442.3
Floating-point processing power0.1632 TFLOPS28.31 TFLOPS
ROPs4112
TMUs8304
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 sizelargeno data
InterfaceMXM-IIPCIe 4.0 x16
Supplementary power connectorsno dataNone

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 MB16 GB
Memory bus width128 Bit256 Bit
Memory clock speed750 MHz1750 MHz
Memory bandwidth24 GB/s448.0 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.

DirectX10.0 (10_0)12 Ultimate (12_2)
Shader Model4.06.7
OpenGL3.34.6
OpenCLN/A3.0
VulkanN/A1.3
CUDA-8.9

Pros & cons summary


Recency 14 May 2007 3 January 2023
Maximum RAM amount 256 MB 16 GB
Chip lithography 65 nm 4 nm

RTX 4090 Max-Q has an age advantage of 15 years, a 6300% higher maximum VRAM amount, and a 1525% more advanced lithography process.

We couldn't decide between Mobility Radeon HD 2600 XT and GeForce RTX 4090 Max-Q. We've got no test results to judge.


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 HD 2600 XT
Mobility Radeon HD 2600 XT
NVIDIA GeForce RTX 4090 Max-Q
GeForce RTX 4090 Max-Q

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Community ratings

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Questions & comments

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