Radeon RX 6800 XT vs Matrox Parhelia 256 MB

Primary details

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

Place in performance rankingnot rated25
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data53.14
ArchitectureParhelia (2002−2006)Navi / RDNA2 (2020−2022)
GPU code nameParhelia-512Navi 21
Market segmentDesktopDesktop
Release date25 June 2002 (22 years ago)18 November 2020 (3 years ago)
Launch price (MSRP)no data$649

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 coresno data4608
Core clock speed200 MHz1825 MHz
Boost clock speedno data2250 MHz
Number of transistors80 million26,800 million
Manufacturing process technology150 nm7 nm
Power consumption (TDP)no data300 Watt
Texture fill rate0.8648.0
Floating-point performanceno data20.74 gflops

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 4.0 x16
Length175 mm267 mm
Width1-slot2-slot
Supplementary power connectorsNone2x 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 typeDDRGDDR6
Maximum RAM amount256 MB16 GB
Memory bus width256 Bit256 Bit
Memory clock speed500 MHz16000 MHz
Memory bandwidth16 GB/s512.0 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 Connectors2x DVI1x HDMI, 2x DisplayPort, 1x USB Type-C
HDMI-+

API compatibility

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

DirectX8.112 Ultimate (12_2)
Shader Modelno data6.5
OpenGL1.54.6
OpenCLN/A2.0
VulkanN/A1.2

Pros & cons summary


Recency 25 June 2002 18 November 2020
Maximum RAM amount 256 MB 16 GB
Chip lithography 150 nm 7 nm

RX 6800 XT has an age advantage of 18 years, a 6300% higher maximum VRAM amount, and a 2042.9% more advanced lithography process.

We couldn't decide between Matrox Parhelia 256 MB and Radeon RX 6800 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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Matrox Parhelia 256 MB
Parhelia 256 MB
AMD Radeon RX 6800 XT
Radeon RX 6800 XT

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Community ratings

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1.6 10 votes

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4.2 3249 votes

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Questions & comments

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