H800 PCIe 80 GB vs RTX 4500 Ada Generation

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Primary details

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

Place in the ranking10not rated
Place by popularitynot in top-100not in top-100
Power efficiency25.29no data
ArchitectureAda Lovelace (2022−2024)Hopper (2022−2023)
GPU code nameAD103GH100
Market segmentWorkstationWorkstation
Release date9 August 2023 (1 year ago)21 March 2023 (1 year 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 cores768014592
Core clock speed2070 MHz1095 MHz
Boost clock speed2580 MHz1755 MHz
Number of transistors45,900 million80,000 million
Manufacturing process technology5 nm4 nm
Power consumption (TDP)210 Watt350 Watt
Texture fill rate619.2800.3
Floating-point processing power39.63 TFLOPS51.22 TFLOPS
ROPs8024
TMUs240456
Tensor Cores240456
Ray Tracing Cores60no data

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).

InterfacePCIe 4.0 x16PCIe 5.0 x16
Length245 mm268 mm
Width2-slot2-slot
Supplementary power connectorsNone1x 16-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 typeGDDR6HBM2e
Maximum RAM amount24 GB80 GB
Memory bus width192 Bit5120 Bit
Memory clock speed2250 MHz1593 MHz
Memory bandwidth432.0 GB/s2,039 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 Connectors4x DisplayPort 1.4aNo outputs

API compatibility

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

DirectX12 Ultimate (12_2)N/A
Shader Model6.8N/A
OpenGL4.6N/A
OpenCL3.03.0
Vulkan1.3N/A
CUDA8.99.0

Pros & cons summary


Recency 9 August 2023 21 March 2023
Maximum RAM amount 24 GB 80 GB
Chip lithography 5 nm 4 nm
Power consumption (TDP) 210 Watt 350 Watt

RTX 4500 Ada Generation has an age advantage of 4 months, and 66.7% lower power consumption.

H800 PCIe 80 GB, on the other hand, has a 233.3% higher maximum VRAM amount, and a 25% more advanced lithography process.

We couldn't decide between RTX 4500 Ada Generation and H800 PCIe 80 GB. 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 RTX 4500 Ada Generation
RTX 4500 Ada Generation
NVIDIA H800 PCIe 80 GB
H800 PCIe 80 GB

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Community ratings

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3.7 19 votes

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3 32 votes

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