Radeon RX 6800 vs Instinct MI100

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Primary details

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

Place in the rankingnot rated43
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data51.02
Power efficiencyno data15.78
ArchitectureCDNA 1.0 (2020)RDNA 2.0 (2020−2024)
GPU code nameArcturusNavi 21
Market segmentWorkstationDesktop
Release date16 November 2020 (4 years ago)28 October 2020 (4 years ago)
Launch price (MSRP)no data$579

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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 cores76803840
Core clock speed1000 MHz1700 MHz
Boost clock speed1502 MHz2105 MHz
Number of transistors50,000 million26,800 million
Manufacturing process technology7 nm7 nm
Power consumption (TDP)300 Watt250 Watt
Texture fill rate721.0505.2
Floating-point processing power23.07 TFLOPS16.17 TFLOPS
ROPs6496
TMUs480240
Ray Tracing Coresno data60

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 4.0 x16PCIe 4.0 x16
Length267 mm267 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 typeHBM2GDDR6
Maximum RAM amount32 GB16 GB
Memory bus width4096 Bit256 Bit
Memory clock speed1200 MHz2000 MHz
Memory bandwidth1,229 GB/s512.0 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, 2x DisplayPort, 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/A6.5
OpenGLN/A4.6
OpenCL2.12.1
VulkanN/A1.2

Pros & cons summary


Maximum RAM amount 32 GB 16 GB
Power consumption (TDP) 300 Watt 250 Watt

Instinct MI100 has a 100% higher maximum VRAM amount.

RX 6800, on the other hand, has 20% lower power consumption.

We couldn't decide between Radeon Instinct MI100 and Radeon RX 6800. We've got no test results to judge.

Be aware that Radeon Instinct MI100 is a workstation graphics card while Radeon RX 6800 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 MI100
Radeon Instinct MI100
AMD Radeon RX 6800
Radeon RX 6800

Comparisons with similar GPUs

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Community ratings

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4.6 53 votes

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4.3 1901 vote

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Questions & comments

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