GeForce RTX 3080 Mobile vs ATI Radeon X850 XT AGP

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Primary details

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

Place in the rankingnot rated90
Place by popularitynot in top-100not in top-100
Power efficiencyno data25.74
ArchitectureR400 (2004−2008)Ampere (2020−2024)
GPU code nameR481GA104
Market segmentDesktopLaptop
Release date28 February 2005 (19 years ago)12 January 2021 (3 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 coresno data6144
Core clock speed520 MHz1110 MHz
Boost clock speedno data1545 MHz
Number of transistors160 million17,400 million
Manufacturing process technology130 nm8 nm
Power consumption (TDP)69 Watt115 Watt
Texture fill rate8.320296.6
Floating-point processing powerno data18.98 TFLOPS
ROPs1696
TMUs16192
Tensor Coresno data192
Ray Tracing Coresno data48

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
InterfaceAGP 8xPCIe 4.0 x16
Width2-slotno data
Supplementary power connectors1x Molexno 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 typeGDDR3GDDR6
Maximum RAM amount256 MB8 GB
Memory bus width256 Bit256 Bit
Memory clock speed540 MHz1750 MHz
Memory bandwidth34.56 GB/s448.0 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 DVI, 1x VGA, 1x S-VideoNo outputs

API compatibility

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

DirectX9.0b (9_2)12 Ultimate (12_2)
Shader Modelno data6.5
OpenGL2.04.6
OpenCLN/A2.0
VulkanN/A1.2
CUDA-8.6

Pros & cons summary


Recency 28 February 2005 12 January 2021
Maximum RAM amount 256 MB 8 GB
Chip lithography 130 nm 8 nm
Power consumption (TDP) 69 Watt 115 Watt

ATI X850 XT AGP has 66.7% lower power consumption.

RTX 3080 Mobile, on the other hand, has an age advantage of 15 years, a 3100% higher maximum VRAM amount, and a 1525% more advanced lithography process.

We couldn't decide between Radeon X850 XT AGP and GeForce RTX 3080 Mobile. We've got no test results to judge.

Be aware that Radeon X850 XT AGP is a desktop card while GeForce RTX 3080 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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ATI Radeon X850 XT AGP
Radeon X850 XT AGP
NVIDIA GeForce RTX 3080 Mobile
GeForce RTX 3080 Mobile

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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