GeForce RTX 4090 vs Radeon Instinct MI6

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Primary details

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

Place in the rankingnot rated1
Place by popularitynot in top-1005
Cost-effectiveness evaluationno data18.80
Power efficiencyno data16.03
ArchitectureGCN 4.0 (2016−2020)Ada Lovelace (2022−2024)
GPU code nameEllesmereAD102
Market segmentWorkstationDesktop
Release date12 December 2016 (7 years ago)20 September 2022 (2 years ago)
Launch price (MSRP)no data$1,599

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 cores230416384
Core clock speed1120 MHz2235 MHz
Boost clock speed1233 MHz2520 MHz
Number of transistors5,700 million76,300 million
Manufacturing process technology14 nm5 nm
Power consumption (TDP)150 Watt450 Watt
Texture fill rate177.61,290
Floating-point processing power5.682 TFLOPS82.58 TFLOPS
ROPs32176
TMUs144512
Tensor Coresno data512
Ray Tracing Coresno data128

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 3.0 x16PCIe 4.0 x16
Length241 mm304 mm
Width1-slot3-slot
Supplementary power connectors1x 6-pin1x 16-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 typeGDDR5GDDR6X
Maximum RAM amount8 GB24 GB
Memory bus width256 Bit384 Bit
Memory clock speed1750 MHz1313 MHz
Memory bandwidth224.0 GB/s1.01 TB/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 2.1, 3x DisplayPort 1.4a
HDMI-+

API compatibility

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

DirectX12 (12_0)12 Ultimate (12_2)
Shader Model6.46.8
OpenGL4.64.6
OpenCL2.03.0
Vulkan1.2.1311.3
CUDA-8.9

Pros & cons summary


Recency 12 December 2016 20 September 2022
Maximum RAM amount 8 GB 24 GB
Chip lithography 14 nm 5 nm
Power consumption (TDP) 150 Watt 450 Watt

Instinct MI6 has 200% lower power consumption.

RTX 4090, on the other hand, has an age advantage of 5 years, a 200% higher maximum VRAM amount, and a 180% more advanced lithography process.

We couldn't decide between Radeon Instinct MI6 and GeForce RTX 4090. We've got no test results to judge.

Be aware that Radeon Instinct MI6 is a workstation graphics card while GeForce RTX 4090 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 MI6
Radeon Instinct MI6
NVIDIA GeForce RTX 4090
GeForce RTX 4090

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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