Radeon RX 6800S vs RX 6900 XTX

Primary details

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

Place in the rankingnot rated104
Place by popularitynot in top-100not in top-100
Power efficiencyno data27.69
ArchitectureRDNA 2.0 (2020−2024)RDNA 2.0 (2020−2024)
GPU code nameNavi 21Navi 23
Market segmentDesktopLaptop
Release date28 October 2020 (4 years ago)4 January 2022 (2 years 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 cores51202048
Core clock speed2075 MHz1800 MHz
Boost clock speed2435 MHz2100 MHz
Number of transistors26,800 million11,060 million
Manufacturing process technology7 nm7 nm
Power consumption (TDP)330 Watt100 Watt
Texture fill rate779.2268.8
Floating-point processing power24.93 TFLOPS8.602 TFLOPS
ROPs12864
TMUs320128
Ray Tracing Cores8032

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 datamedium sized
InterfacePCIe 4.0 x16PCIe 4.0 x8
Length267 mmno data
Width2-slotno data
Supplementary power connectors2x 8-pinNone

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 GB8 GB
Memory bus width256 Bit128 Bit
Memory clock speed2250 MHz2000 MHz
Memory bandwidth576.0 GB/s256.0 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 2.1, 2x DisplayPort 1.4a, 1x USB Type-CNo outputs
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 Model6.76.5
OpenGL4.64.6
OpenCL2.12.1
Vulkan1.31.3

Pros & cons summary


Recency 28 October 2020 4 January 2022
Maximum RAM amount 16 GB 8 GB
Power consumption (TDP) 330 Watt 100 Watt

RX 6900 XTX has a 100% higher maximum VRAM amount.

RX 6800S, on the other hand, has an age advantage of 1 year, and 230% lower power consumption.

We couldn't decide between Radeon RX 6900 XTX and Radeon RX 6800S. We've got no test results to judge.

Be aware that Radeon RX 6900 XTX is a desktop card while Radeon RX 6800S 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 6900 XTX
Radeon RX 6900 XTX
AMD Radeon RX 6800S
Radeon RX 6800S

Comparisons with similar GPUs

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Community ratings

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4.2 140 votes

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