Radeon 620 vs Riva TNT2 M64 Vanta-16

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Primary details

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

Place in the rankingnot rated848
Place by popularitynot in top-100not in top-100
Power efficiencyno data3.23
ArchitectureFahrenheit (1998−2000)GCN 3.0 (2014−2019)
GPU code nameNV5 B6Polaris 24
Market segmentDesktopLaptop
Release date22 March 1999 (25 years ago)13 May 2019 (5 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 data384
Core clock speed100 MHz730 MHz
Boost clock speedno data1024 MHz
Number of transistors15 million1,550 million
Manufacturing process technology250 nm28 nm
Power consumption (TDP)no data50 Watt
Texture fill rate0.224.58
Floating-point processing powerno data0.7864 TFLOPS
ROPs28
TMUs224

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 4xPCIe 3.0 x8
Width1-slotno data
Supplementary power connectorsNoneNone

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 typeSDRDDR3
Maximum RAM amount16 MB2 GB
Memory bus width64 Bit64 Bit
Memory clock speed133 MHz900 MHz
Memory bandwidth1.064 GB/s14.4 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 VGANo outputs

API compatibility

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

DirectX6.012 (12_0)
Shader Modelno data6.3
OpenGL1.24.6
OpenCLN/A2.0
VulkanN/A1.2.131

Pros & cons summary


Recency 22 March 1999 13 May 2019
Maximum RAM amount 16 MB 2 GB
Chip lithography 250 nm 28 nm

Radeon 620 has an age advantage of 20 years, a 12700% higher maximum VRAM amount, and a 792.9% more advanced lithography process.

We couldn't decide between Riva TNT2 M64 Vanta-16 and Radeon 620. We've got no test results to judge.

Be aware that Riva TNT2 M64 Vanta-16 is a desktop card while Radeon 620 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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NVIDIA Riva TNT2 M64 Vanta-16
Riva TNT2 M64 Vanta-16
AMD Radeon 620
Radeon 620

Comparisons with similar GPUs

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Community ratings

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4 25 votes

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3.2 65 votes

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Questions & comments

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