Radeon RX 6900 XTX vs GeForce GTX 1080 Mobile

Primary details

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

Place in the ranking137not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation41.16no data
Power efficiency16.42no data
ArchitecturePascal (2016−2021)RDNA 2.0 (2020−2024)
GPU code nameGP104Navi 21
Market segmentLaptopDesktop
Release date15 August 2016 (8 years ago)28 October 2020 (4 years ago)
Launch price (MSRP)$499.99 no data

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 cores25605120
Core clock speed1607 MHz2075 MHz
Boost clock speed1771 MHz2435 MHz
Number of transistors7,200 million26,800 million
Manufacturing process technology16 nm7 nm
Power consumption (TDP)150 Watt330 Watt
Maximum GPU temperature94 °Cno data
Texture fill rate283.4779.2
Floating-point processing power9.068 TFLOPS24.93 TFLOPS
ROPs64128
TMUs160320
Ray Tracing Coresno data80

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
Bus supportPCIe 3.0no data
InterfacePCIe 3.0 x16PCIe 4.0 x16
Lengthno data267 mm
Widthno data2-slot
Supplementary power connectorsno data2x 8-pin
SLI options+-

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 typeGDDR5GDDR6
Maximum RAM amount8 GB16 GB
Memory bus width256 Bit256 Bit
Memory clock speed10 GB/s2250 MHz
Memory bandwidth320 GB/s576.0 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 ConnectorsDP 1.42, HDMI 2.0b, DL-DVI1x HDMI 2.1, 2x DisplayPort 1.4a, 1x USB Type-C
Multi monitor support+no data
HDMI-+
G-SYNC support+-

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

GPU Boost3.0no data
VR Ready+no data
Ansel+-

API compatibility

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

DirectX12 (12_1)12 Ultimate (12_2)
Shader Model6.46.7
OpenGL4.54.6
OpenCL1.22.1
Vulkan1.2.1311.3
CUDA+-

Pros & cons summary


Recency 15 August 2016 28 October 2020
Maximum RAM amount 8 GB 16 GB
Chip lithography 16 nm 7 nm
Power consumption (TDP) 150 Watt 330 Watt

GTX 1080 Mobile has 120% lower power consumption.

RX 6900 XTX, on the other hand, has an age advantage of 4 years, a 100% higher maximum VRAM amount, and a 128.6% more advanced lithography process.

We couldn't decide between GeForce GTX 1080 Mobile and Radeon RX 6900 XTX. We've got no test results to judge.

Be aware that GeForce GTX 1080 Mobile is a notebook card while Radeon RX 6900 XTX 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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NVIDIA GeForce GTX 1080 Mobile
GeForce GTX 1080 Mobile
AMD Radeon RX 6900 XTX
Radeon RX 6900 XTX

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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