Radeon RX 6600 XT vs Riva TNT

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Primary details

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

Place in the rankingnot rated91
Place by popularitynot in top-10093
Cost-effectiveness evaluationno data62.98
Power efficiencyno data18.39
ArchitectureFahrenheit (1998−2000)RDNA 2.0 (2020−2024)
GPU code nameNV4Navi 23
Market segmentDesktopDesktop
Release date23 March 1998 (26 years ago)30 July 2021 (3 years ago)
Launch price (MSRP)no data$379

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 coresno data2048
Core clock speed90 MHz1968 MHz
Boost clock speedno data2589 MHz
Number of transistors7 million11,060 million
Manufacturing process technology350 nm7 nm
Power consumption (TDP)no data160 Watt
Texture fill rate0.18331.4
Floating-point processing powerno data10.6 TFLOPS
ROPs264
TMUs2128
Ray Tracing Coresno data32

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).

InterfaceAGP 2xPCIe 4.0 x8
Lengthno data190 mm
Width1-slot2-slot
Supplementary power connectorsNone1x 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 typeSDRGDDR6
Maximum RAM amount16 MB8 GB
Memory bus width128 Bit128 Bit
Memory clock speed110 MHz2000 MHz
Memory bandwidth1.76 GB/s256.0 GB/s
Shared memoryno 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 Connectors1x VGA1x HDMI, 2x DisplayPort
HDMI-+

API compatibility

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

DirectX5.012.0 Ultimate (12_2)
Shader Modelno data6.5
OpenGL1.24.6
OpenCLN/A2.1
VulkanN/A1.2

Pros & cons summary


Recency 23 March 1998 30 July 2021
Maximum RAM amount 16 MB 8 GB
Chip lithography 350 nm 7 nm

RX 6600 XT has an age advantage of 23 years, a 51100% higher maximum VRAM amount, and a 4900% more advanced lithography process.

We couldn't decide between Riva TNT and Radeon RX 6600 XT. 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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NVIDIA Riva TNT
Riva TNT
AMD Radeon RX 6600 XT
Radeon RX 6600 XT

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.


3.6 66 votes

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4.3 4341 vote

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Questions & comments

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