GeForce RTX 4080 Mobile vs Radeon RX 6850 XT

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Primary details

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

Place in the rankingnot rated27
Place by popularitynot in top-100not in top-100
Power efficiencyno data40.63
ArchitectureRDNA 2.0 (2020−2024)Ada Lovelace (2022−2024)
GPU code nameNavi 21AD104
Market segmentDesktopLaptop
Release date2022 (2 years ago)3 January 2023 (1 year ago)
Launch price (MSRP)$649 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 cores46087424
Core clock speedno data1290 MHz
Boost clock speed2250 MHz1665 MHz
Number of transistors26,800 million35,800 million
Manufacturing process technology7 nm4 nm
Power consumption (TDP)325 Watt110 Watt
Texture fill rate648.0386.3
Floating-point processing power20.74 TFLOPS24.72 TFLOPS
ROPs12880
TMUs288232
Tensor Coresno data232
Ray Tracing Coresno data58

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 sizeno datalarge
InterfacePCIe 4.0 x16PCIe 4.0 x16
Length267 mmno data
Width2-slotno data
Supplementary power connectors2x 8-pinno data

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 typeGDDR6GDDR6
Maximum RAM amount16 GB12 GB
Memory bus width256 Bit192 Bit
Memory clock speed18 GB/s2250 MHz
Memory bandwidth576.0 GB/s432.0 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 Connectors1x HDMI, 2x DisplayPort, 1x USB Type-CPortable Device Dependent
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 16 GB 12 GB
Chip lithography 7 nm 4 nm
Power consumption (TDP) 325 Watt 110 Watt

RX 6850 XT has a 33.3% higher maximum VRAM amount.

RTX 4080 Mobile, on the other hand, has a 75% more advanced lithography process, and 195.5% lower power consumption.

We couldn't decide between Radeon RX 6850 XT and GeForce RTX 4080 Mobile. We've got no test results to judge.

Be aware that Radeon RX 6850 XT is a desktop card while GeForce RTX 4080 Mobile is a notebook 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 6850 XT
Radeon RX 6850 XT
NVIDIA GeForce RTX 4080 Mobile
GeForce RTX 4080 Mobile

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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