Riva TNT2 M64 Vanta vs Radeon R9 M485X

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Primary details

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

Place in the ranking464not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.65no data
ArchitectureGCN 3.0 (2014−2019)Fahrenheit (1998−2000)
GPU code nameAmethystNV5 B5
Market segmentLaptopDesktop
Release date15 May 2016 (8 years ago)22 March 1999 (25 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 cores2048no data
Core clock speed723 MHz100 MHz
Number of transistors5,000 million15 million
Manufacturing process technology28 nm250 nm
Power consumption (TDP)250 Wattno data
Texture fill rate92.540.2
Floating-point processing power2.961 TFLOPSno data
ROPs322
TMUs1282

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).

Laptop sizelargeno data
InterfaceMXM-B (3.0)AGP 4x
Widthno data1-slot
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 typeGDDR5SDR
Maximum RAM amount8 GB16 MB
Memory bus width256 Bit64 Bit
Memory clock speed1250 MHz133 MHz
Memory bandwidth160.0 GB/s1.064 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 outputs1x VGA

API compatibility

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

DirectX12 (12_0)6.0
Shader Model6.3no data
OpenGL4.61.2
OpenCL2.0N/A
Vulkan1.2.131N/A

Pros & cons summary


Recency 15 May 2016 22 March 1999
Maximum RAM amount 8 GB 16 MB
Chip lithography 28 nm 250 nm

R9 M485X has an age advantage of 17 years, a 51100% higher maximum VRAM amount, and a 792.9% more advanced lithography process.

We couldn't decide between Radeon R9 M485X and Riva TNT2 M64 Vanta. We've got no test results to judge.

Be aware that Radeon R9 M485X is a notebook card while Riva TNT2 M64 Vanta 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 R9 M485X
Radeon R9 M485X
NVIDIA Riva TNT2 M64 Vanta
Riva TNT2 M64 Vanta

Comparisons with similar GPUs

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Community ratings

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4 3 votes

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4.8 5 votes

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Questions & comments

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