Radeon Instinct MI300X vs GeForce 7900 GX2

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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
ArchitectureCurie (2003−2013)CDNA 3.0 (2023−2024)
GPU code nameG71Aqua Vanjaram
Market segmentDesktopWorkstation
Release date30 April 2006 (18 years ago)6 December 2023 (1 year ago)
Launch price (MSRP)$599 no data

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 data19456
Core clock speed500 MHz1000 MHz
Boost clock speedno data2100 MHz
Number of transistors278 million153,000 million
Manufacturing process technology90 nm5 nm
Power consumption (TDP)no data750 Watt
Texture fill rate12.002,554
Floating-point processing powerno data81.72 TFLOPS
ROPs16no data
TMUs241216
Tensor Coresno data1216

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).

InterfacePCIe 1.0 x16PCIe 5.0 x16
Length312 mmno data
Width2-slotOAM Module
Supplementary power connectors2x 6-pinNone

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 typeGDDR3HBM3
Maximum RAM amount512 MB192 GB
Memory bus width256 Bit8192 Bit
Memory clock speed600 MHz2525 MHz
Memory bandwidth38.4 GB/s5,171 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 Connectors2x DVI, 1x S-VideoNo outputs

API compatibility

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

DirectX9.0c (9_3)N/A
Shader Model3.0N/A
OpenGL2.1N/A
OpenCLN/A3.0
VulkanN/AN/A

Pros & cons summary


Recency 30 April 2006 6 December 2023
Maximum RAM amount 512 MB 192 GB
Chip lithography 90 nm 5 nm

Instinct MI300X has an age advantage of 17 years, a 38300% higher maximum VRAM amount, and a 1700% more advanced lithography process.

We couldn't decide between GeForce 7900 GX2 and Radeon Instinct MI300X. We've got no test results to judge.

Be aware that GeForce 7900 GX2 is a desktop card while Radeon Instinct MI300X is a workstation 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 7900 GX2
GeForce 7900 GX2
AMD Radeon Instinct MI300X
Radeon Instinct MI300X

Comparisons with similar GPUs

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Community ratings

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3.5 59 votes

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Questions & comments

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