GeForce RTX 4090 Ti vs Radeon RX 6800M

Primary details

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

Place in the ranking148not rated
Place by popularitynot in top-10054
Power efficiency16.53no data
ArchitectureRDNA 2.0 (2020−2024)Ada Lovelace (2022−2024)
GPU code nameNavi 22AD102
Market segmentLaptopDesktop
Release date31 May 2021 (3 years ago)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 cores256018176
Core clock speed2116 MHz2325 MHz
Boost clock speed2390 MHz2565 MHz
Number of transistors17,200 million76,300 million
Manufacturing process technology7 nm5 nm
Power consumption (TDP)145 Watt600 Watt
Texture fill rate382.41,457
Floating-point processing power12.24 TFLOPS93.24 TFLOPS
ROPs64192
TMUs160568
Tensor Coresno data568
Ray Tracing Cores40142

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).

Laptop sizelargeno data
InterfacePCIe 4.0 x16PCIe 4.0 x16
Lengthno data336 mm
Widthno data3-slot
Supplementary power connectorsNone2x 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 typeGDDR6GDDR6X
Maximum RAM amount12 GB24 GB
Memory bus width192 Bit384 Bit
Memory clock speed2000 MHz1500 MHz
Memory bandwidth384.0 GB/s1.15 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 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.56.7
OpenGL4.64.6
OpenCL2.13.0
Vulkan1.31.3
CUDA-8.9

Pros & cons summary


Maximum RAM amount 12 GB 24 GB
Chip lithography 7 nm 5 nm
Power consumption (TDP) 145 Watt 600 Watt

RX 6800M has 313.8% lower power consumption.

RTX 4090 Ti, on the other hand, has a 100% higher maximum VRAM amount, and a 40% more advanced lithography process.

We couldn't decide between Radeon RX 6800M and GeForce RTX 4090 Ti. We've got no test results to judge.

Be aware that Radeon RX 6800M is a notebook card while GeForce RTX 4090 Ti 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 RX 6800M
Radeon RX 6800M
NVIDIA GeForce RTX 4090 Ti
GeForce RTX 4090 Ti

Comparisons with similar GPUs

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Community ratings

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4.3 311 votes

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Questions & comments

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