Radeon Instinct MI300X vs HD 6970 X2

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 3 (2010−2013)CDNA 3.0 (2023−2024)
GPU code nameAntillesAqua Vanjaram
Market segmentDesktopWorkstation
Release dateno data (2024 years ago)6 December 2023 (less than a 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 cores153619456
Core clock speed880 MHz1000 MHz
Boost clock speedno data2100 MHz
Number of transistors2,640 million153,000 million
Manufacturing process technology40 nm5 nm
Power consumption (TDP)375 Watt750 Watt
Texture fill rate84.482,554
Floating-point processing powerno data81.72 TFLOPS
ROPs32no data
TMUs961216
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 2.0 x16PCIe 5.0 x16
Width2-slotOAM Module
Supplementary power connectors3x 8-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 typeGDDR5HBM3
Maximum RAM amount2 GB192 GB
Memory bus width256 Bit8192 Bit
Memory clock speed5.5 GB/s2525 MHz
Memory bandwidth176.0 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 HDMI 1.4a, 2x mini-DisplayPort 1.2No outputs
HDMI+-

API compatibility

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

DirectX11.2 (11_0)N/A
Shader Model5.0N/A
OpenGL4.4N/A
OpenCL1.23.0
VulkanN/AN/A

Pros & cons summary


Maximum RAM amount 2 GB 192 GB
Chip lithography 40 nm 5 nm
Power consumption (TDP) 375 Watt 750 Watt

HD 6970 X2 has 100% lower power consumption.

Instinct MI300X, on the other hand, has a 9500% higher maximum VRAM amount, and a 700% more advanced lithography process.

We couldn't decide between Radeon HD 6970 X2 and Radeon Instinct MI300X. We've got no test results to judge.

Be aware that Radeon HD 6970 X2 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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AMD Radeon HD 6970 X2
Radeon HD 6970 X2
AMD Radeon Instinct MI300X
Radeon Instinct MI300X

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Community ratings

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