GeForce RTX 5090 vs Radeon RX 6600 XT

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Primary details

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

Place in the ranking91not rated
Place by popularity93not in top-100
Cost-effectiveness evaluation63.01no data
Power efficiency18.37no data
ArchitectureRDNA 2.0 (2020−2024)Blackwell 2.0 (2025)
GPU code nameNavi 23GB202
Market segmentDesktopDesktop
Release date30 July 2021 (3 years ago)2025
Launch price (MSRP)$379 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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 cores204821760
Core clock speed1968 MHz2235 MHz
Boost clock speed2589 MHz2520 MHz
Number of transistors11,060 millionno data
Manufacturing process technology7 nm0 nm
Power consumption (TDP)160 Watt500 Watt
Texture fill rate331.41,714
Floating-point processing power10.6 TFLOPS109.7 TFLOPS
ROPs64192
TMUs128680
Tensor Coresno data680
Ray Tracing Cores32170

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).

InterfacePCIe 4.0 x8PCIe 5.0 x16
Length190 mm304 mm
Width2-slot3-slot
Supplementary power connectors1x 8-pin1x 16-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 typeGDDR6GDDR7
Maximum RAM amount8 GB32 GB
Memory bus width128 Bit512 Bit
Memory clock speed2000 MHz1875 MHz
Memory bandwidth256.0 GB/s1.52 TB/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 DisplayPort1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI++

API compatibility

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

DirectX12.0 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.56.8
OpenGL4.64.6
OpenCL2.13.0
Vulkan1.21.3
CUDA-10.1

Pros & cons summary


Maximum RAM amount 8 GB 32 GB
Power consumption (TDP) 160 Watt 500 Watt

RX 6600 XT has 212.5% lower power consumption.

RTX 5090, on the other hand, has a 300% higher maximum VRAM amount.

We couldn't decide between Radeon RX 6600 XT and GeForce RTX 5090. We've got no test results to judge.


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 6600 XT
Radeon RX 6600 XT
NVIDIA GeForce RTX 5090
GeForce RTX 5090

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Community ratings

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


4.3 4338 votes

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3.6 363 votes

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Questions & comments

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