Radeon RX 6900 vs GeForce GT 650M SLI

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Primary details

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

Place in performance ranking589not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.71no data
ArchitectureKepler (2012−2018)RDNA 2.0 (2020−2022)
GPU code nameN13E-GENavi 21
Market segmentLaptopDesktop
Release date22 March 2012 (12 years ago)28 October 2020 (3 years ago)
Current price$545 $947

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores7684608
Core clock speed790 MHzno data
Boost clock speed835 MHz2105 MHz
Number of transistorsno data23,000 million
Manufacturing process technology28 nm7 nm
Power consumption (TDP)no data255 Watt
Texture fill rateno data606.2

Form factor & compatibility

Information on GeForce GT 650M SLI and Radeon RX 6900 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
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 typeGDDR5GDDR6
Maximum RAM amount2x2 GB16 GB
Memory bus width2x 128 Bit256 Bit
Memory clock speed4000 MHz16 GB/s
Memory bandwidthno data512.0 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, 2x DisplayPort, 1x USB Type-C
HDMIno data+

Supported technologies

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

Optimus+no data

API compatibility

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

DirectX1112 Ultimate (12_2)
Shader Modelno data6.5
OpenGLno data4.6
OpenCLno data2.0
Vulkanno data1.2
CUDA+no data

Pros & cons summary


Recency 22 March 2012 28 October 2020
Chip lithography 28 nm 7 nm

We couldn't decide between GeForce GT 650M SLI and Radeon RX 6900. We've got no test results to judge.

Be aware that GeForce GT 650M SLI is a notebook card while Radeon RX 6900 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 GT 650M SLI
GeForce GT 650M SLI
AMD Radeon RX 6900
Radeon RX 6900

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.3 28 votes

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3.9 63 votes

Rate Radeon RX 6900 on a scale of 1 to 5:

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Questions & comments

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