H100 SXM5 vs Matrox Parhelia HR256

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Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureParhelia (2002−2006)Hopper (2022−2023)
GPU code nameParhelia-512GH100
Market segmentDesktopWorkstation
Release dateSeptember 2003 (21 year ago)22 March 2022 (2 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 data8448
Core clock speed200 MHz1065 MHz
Boost clock speedno data1780 MHz
Number of transistors80 million80,000 million
Manufacturing process technology150 nm4 nm
Power consumption (TDP)no data700 Watt
Texture fill rate3.200939.8
Floating-point processing powerno data30.07 TFLOPS
ROPs424
TMUs16528
Tensor Coresno data528

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).

InterfacePCI-XPCIe 5.0 x16
Length190 mmno data
Width1-slotno data
Supplementary power connectorsNone8-pin EPS

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 typeDDRHBM3
Maximum RAM amount256 MB80 GB
Memory bus width64 Bit5120 Bit
Memory clock speed250 MHz1500 MHz
Memory bandwidth4 GB/s1,920 GB/s

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 LFH60No outputs

API compatibility

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

DirectX8.1N/A
Shader Modelno dataN/A
OpenGL1.3N/A
OpenCLN/A3.0
VulkanN/AN/A
CUDA-9.0

Pros & cons summary


Maximum RAM amount 256 MB 80 GB
Chip lithography 150 nm 4 nm

H100 SXM5 has a 31900% higher maximum VRAM amount, and a 3650% more advanced lithography process.

We couldn't decide between Matrox Parhelia HR256 and H100 SXM5. We've got no test results to judge.

Be aware that Matrox Parhelia HR256 is a desktop card while H100 SXM5 is a workstation 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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Matrox Parhelia HR256
Parhelia HR256
NVIDIA H100 SXM5
H100 SXM5

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Community ratings

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