GeForce RTX 4090 vs Radeon Instinct MI8

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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-1006
Cost-effectiveness evaluationno data18.83
Power efficiencyno data15.23
ArchitectureGCN 3.0 (2014−2019)Ada Lovelace (2022−2024)
GPU code nameFijiAD102
Market segmentWorkstationDesktop
Release date12 December 2016 (8 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 cores409616384
Core clock speed1000 MHz2235 MHz
Boost clock speedno data2520 MHz
Number of transistors8,900 million76,300 million
Manufacturing process technology28 nm5 nm
Power consumption (TDP)175 Watt450 Watt
Texture fill rate256.01,290
Floating-point processing power8.192 TFLOPS82.58 TFLOPS
ROPs64176
TMUs256512
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
Length152 mm304 mm
Width2-slot3-slot
Supplementary power connectors1x 8-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 typeHBMGDDR6X
Maximum RAM amount4 GB24 GB
Memory bus width4096 Bit384 Bit
Memory clock speed500 MHz1313 MHz
Memory bandwidth512.0 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 Model6.36.8
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 4 GB 24 GB
Chip lithography 28 nm 5 nm
Power consumption (TDP) 175 Watt 450 Watt

Instinct MI8 has 157.1% lower power consumption.

RTX 4090, on the other hand, has an age advantage of 5 years, a 500% higher maximum VRAM amount, and a 460% more advanced lithography process.

We couldn't decide between Radeon Instinct MI8 and GeForce RTX 4090. We've got no test results to judge.

Be aware that Radeon Instinct MI8 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 MI8
Radeon Instinct MI8
NVIDIA GeForce RTX 4090
GeForce RTX 4090

Comparisons with similar GPUs

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Community ratings

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4.5 2 votes

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Questions & comments

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