Radeon RX 6900 XTX vs HD 6515G2

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Primary details

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

Place in performance rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureTerascale 2 (2009−2015)RDNA 2.0 (2020−2022)
GPU code nameno dataNavi 21
Market segmentLaptopDesktop
Release date14 June 2011 (13 years ago)28 October 2020 (3 years ago)

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores4005120
Boost clock speedno data2435 MHz
Number of transistorsno data26,800 million
Manufacturing process technology40 nm7 nm
Power consumption (TDP)no data330 Watt
Texture fill rateno data779.2

Form factor & compatibility

Information on Radeon HD 6515G2 and Radeon RX 6900 XTX compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

Laptop sizemedium sizedno data
Interfaceno dataPCIe 4.0 x16
Lengthno data267 mm
Widthno data2-slot
Supplementary power connectorsno data2x 8-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 typeno dataGDDR6
Maximum RAM amountno data16 GB
Memory bus widthno data256 Bit
Memory clock speedno data18 GB/s
Memory bandwidthno data576.0 GB/s
Shared memory-no data

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 data1x HDMI 2.1, 2x DisplayPort 1.4a, 1x USB Type-C
HDMIno data+

API compatibility

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

DirectX1112 Ultimate (12_2)
Shader Modelno data6.7
OpenGLno data4.6
OpenCLno data2.1
Vulkanno data1.3

Pros & cons summary


Recency 14 June 2011 28 October 2020
Chip lithography 40 nm 7 nm

We couldn't decide between Radeon HD 6515G2 and Radeon RX 6900 XTX. We've got no test results to judge.

Be aware that Radeon HD 6515G2 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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AMD Radeon HD 6515G2
Radeon HD 6515G2
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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