Radeon RX 7900 GRE vs Instinct MI300

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Primary details

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

Place in the rankingnot rated21
Place by popularitynot in top-100not in top-100
Power efficiencyno data18.33
ArchitectureCDNA 3.0 (2023−2024)RDNA 3.0 (2022−2024)
GPU code nameAqua VanjaramNavi 31
Market segmentWorkstationDesktop
Release date4 January 2023 (1 year ago)27 July 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 cores140805120
Core clock speed1000 MHz1287 MHz
Boost clock speed1700 MHz2245 MHz
Number of transistors153,000 million57,700 million
Manufacturing process technology5 nm5 nm
Power consumption (TDP)600 Watt260 Watt
Texture fill rate1,496718.4
Floating-point processing power47.87 TFLOPS45.98 TFLOPS
ROPsno data160
TMUs880320
Tensor Cores880no data
Ray Tracing Coresno data80

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 5.0 x16PCIe 4.0 x16
Length267 mm276 mm
Width2-slot2-slot
Supplementary power connectors2x 8-pin2x 8-pin

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 typeHBM3GDDR6
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 outputs1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
HDMI-+

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
OpenCL3.02.2
VulkanN/A1.3

Pros & cons summary


Recency 4 January 2023 27 July 2023
Maximum RAM amount 128 GB 16 GB
Power consumption (TDP) 600 Watt 260 Watt

Instinct MI300 has a 700% higher maximum VRAM amount.

RX 7900 GRE, on the other hand, has an age advantage of 6 months, and 130.8% lower power consumption.

We couldn't decide between Radeon Instinct MI300 and Radeon RX 7900 GRE. We've got no test results to judge.

Be aware that Radeon Instinct MI300 is a workstation graphics card while Radeon RX 7900 GRE is a desktop 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 MI300
Radeon Instinct MI300
AMD Radeon RX 7900 GRE
Radeon RX 7900 GRE

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Community ratings

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4.6 25 votes

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Questions & comments

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