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Comparing Nvidia RTX 5090 and RTX 4090 for Hong Kong Hosting

Release Date: 2025-08-13
NVIDIA RTX 5090 vs 4090 server performance comparison

The Nvidia RTX 5090 delivers significantly better GPU performance compared to the RTX 4090. For Hong Kong hosting, the RTX 5090 stands out as a superior choice, offering enhanced efficiency and scalability. This new Nvidia model not only uses about 15% less power than the RTX 4090, but also features improved cooling, making it ideal for data centers aiming to reduce electricity and cooling costs. The table below highlights the key differences in GPU performance between the RTX 5090 and RTX 4090:

Metric

RTX 5090 (Newer Model)

RTX 4090 (Previous Model)

CUDA Cores

18,432

16,384

Memory Size

32GB GDDR7

24GB GDDR6X

Memory Bandwidth

1,532 GB/s

1,008 GB/s

Manufacturing Node

4nm TSMC

5nm TSMC

Ray Tracing Cores

3rd Generation

2nd Generation

Tensor Cores

4th Generation

3rd Generation

With its advanced architecture, the Nvidia RTX 5090 not only surpasses the RTX 4090 in GPU performance, but also offers better value for hosting providers. These improvements make the RTX 5090 the top Nvidia GPU for local data centers in Hong Kong, ensuring both cost savings and exceptional performance.

Key Takeaways

  • The Nvidia RTX 5090 is much faster than the RTX 4090. It has more cores and quicker memory. Its AI features are better too. This makes it great for hard hosting jobs in Hong Kong.

  • The RTX 5090 uses less power and cools itself well. This helps data centers save money on electricity. It also keeps things cool in Hong Kong’s hot and busy places.

  • The RTX 5090 costs more at first. But its speed and power saving can cut costs later. It also helps hosting providers give better service.

  • The RTX 5090 has new features like multi-GPU setups and virtualization. It also supports PCIe Gen5. These help data centers last longer and run bigger AI jobs.

  • Hosting providers should pick the RTX 5090 for big AI, video, and cloud gaming work. The RTX 4090 is still good for smaller jobs or if you need to save money.

Nvidia GPU Comparison

RTX 5090 vs RTX 4090 Specs

When you look at the nvidia rtx 5090 and the nvidia rtx 4090, you can see big changes in gpu performance. The rtx 5090 uses Blackwell architecture. This makes it work better and adds new features. The rtx 4090 uses Ada Lovelace design. The table below shows how they are different:

Specification

Nvidia RTX 5090

Nvidia RTX 4090

Architecture

Blackwell (newer, more efficient)

Ada Lovelace

CUDA Cores

21,760

16,384

Tensor Cores

680 (5th generation)

512 (4th generation)

VRAM

32GB

24GB

AI Performance (TOPS)

3352

1321

Ray Tracing Cores

170 (4th generation)

128 (3rd generation)

Power Consumption (TGP)

575W

450W

DLSS Support

DLSS 4 (improved efficiency)

DLSS 3

The rtx 5090 has more CUDA and Tensor Cores than the rtx 4090. It also gives better AI performance and has newer DLSS support. These upgrades help hosting providers who need strong gpu performance for hard jobs.

Memory and Architecture

The nvidia rtx 5090 has better memory and a new design. It uses GDDR7 memory. This gives it more bandwidth and lets it handle bigger jobs. The Blackwell GB202 chip has more transistors and a bigger die size. This means it can fit more Streaming Multiprocessors and cores. So, the rtx 5090 can run larger AI models and do harder tasks.

Feature

RTX 5090 (Blackwell GB202)

RTX 4090 (Ada Lovelace AD102)

Process Node

TSMC 4NP

TSMC 4N

Transistor Count (Billion)

92

76.3

Die Size (mm²)

744

608.4

Streaming Multiprocessors

170

128

CUDA Cores

21,760

16,384

Tensor Cores

680

512

RT Cores

170

128

VRAM Type

GDDR7 (up to 30 Gbps)

GDDR6X (21 Gbps)

VRAM Capacity (GB)

32

24

VRAM Bus Width (bit)

512

384

Memory Bandwidth (GB/s)

1792

1008

FP16 Tensor Compute (TFLOPS)

1676

661

AI Performance Increase

154% (2.54x)

Baseline

PCIe Support

PCIe Gen5

PCIe Gen4

DLSS Version

DLSS 4 with Multi Frame Generation

DLSS 3

The nvidia gpu comparison shows the rtx 5090 is much better for AI compute. The new memory and design help data centers in Hong Kong run more apps and support smart AI and ML jobs.

Pricing in Hong Kong

Price is important for hosting providers. In Hong Kong, the nvidia rtx 5090 might cost about $2,000. The rtx 4090 could be close to $1,600. These prices are not official and could change. The rtx 5090 costs more because it has better features and is made for special users. Hosting providers should think if the extra money for the nvidia rtx 5090 is worth it for their needs.

💡 Tip: Before you upgrade your hardware, check the latest prices and see what is in stock. This can help you plan your budget and get the best value.

Performance Comparison

AI and Compute Workloads

The nvidia rtx 5090 is much faster for AI jobs. It beats the rtx 4090 by about 35% in LLaMA model speed tests. This happens because it has more CUDA and Tensor cores. The memory is also quicker and has more bandwidth. These upgrades help the nvidia rtx 5090 work with bigger models. It can do harder tasks without slowing down.

Model/Test

RTX 5090 Performance (tokens/sec)

RTX 4090 Performance (tokens/sec)

% Improvement (5090 over 4090)

LLAMA 3.1 8B – Q4 (Test A)

167

126

32.5%

LLAMA 3.1 8B – Q4 (Test B)

104

95

9.5%

LLAMA 3.1 8B – Q4 (Test C)

126

108

16.7%

LLAMA 3.1 8B – Instruct (FP16)

82

53

54.7%

LLAMA 3.1 8B – Instruct (Q8)

123

87

41.4%

LLAMA 3.2 3B – Q4

253

218

16.1%

LLAMA 3.2 1B – Q4

384

338

13.6%

LLAMA 3.2 3B – Q4 (Alternate)

253

125

102.4%

LLAMA 3.2 3B – Instruct (FP16)

159

108

47.2%

LLAMA 3.2 1B – Instruct (FP16)

327

239

36.8%

Hosting providers in Hong Kong get faster results with the nvidia rtx 5090. It can process more data in less time. This helps AI and machine learning apps work better. Quick data analysis and fast decisions are important for many businesses.

Inference and Image-to-Video Tasks

The rtx 5090 is also better for inference and image-to-video jobs. It finishes these tasks about 45% faster than the rtx 4090. For example, the rtx 5090 did a test in 419 seconds. The rtx 4090 needed 763 seconds for the same job. The rtx 5090 used more VRAM but less system RAM. This helps keep things stable and efficient when working hard.

Metric

RTX 4090

RTX 5090

Execution Time

~763 seconds

~419 seconds

VRAM Peak

15.6 GB

24.2 GB

RAM Peak

28.3 GB

20.3 GB

Note: The rtx 5090 uses more power for these jobs. It averages 587 watts, while the rtx 4090 uses 235 watts. The extra speed can be worth the higher power use for hosting that needs quick results.

This strong performance makes the nvidia rtx 5090 a good pick for hosting providers. It gives fast and high-quality results for AI video and image work. Cloud platforms in Hong Kong can use both GPUs to balance speed and cost. This lets them offer flexible choices for different customers.

Multi-GPU and Virtualization

Multi-GPU setups and virtualization are important for hosting today. The nvidia rtx 5090 supports advanced virtualization features. It works well in multi-GPU systems. More CUDA and Tensor cores mean better parallel processing. This is needed for big AI and compute jobs.

The rtx 5090 gives 30-40% better gpu performance in multi-GPU clusters than the rtx 4090. Hosting providers can run more virtual machines or containers per server. This boosts resource use and lowers costs. Real-world tests show the nvidia rtx 5090 handles tough jobs with more efficiency. It is great for data centers in Hong Kong that need high speed and reliability.

💡 Tip: Hosting providers should check their workloads. They should think about the rtx 5090 for jobs that need top performance and scalability.

The nvidia rtx 5090 does very well in tests and real use. It is the best choice for advanced hosting in Hong Kong.

Power and Cooling

Power Efficiency

Nvidia made the RTX 5090 to use power better than the RTX 4090. Hosting companies get about 15% more power efficiency with the RTX 5090. This means the GPU can do more work but needs less energy. The table below shows how both GPUs compare in power and efficiency for data centers:

Metric

Nvidia RTX 5090

Nvidia RTX 4090

Power Draw (TDP)

575 W

~450 W

Performance-per-Watt

Slight improvement

Baseline

Raw Performance

Significantly higher

Lower

Cooling & Power Management

Advanced dual-slot cooler

Traditional cooler design

The RTX 5090 uses more power, but it gives much better performance. In data centers, better performance-per-watt helps save money on electricity over time.

Thermal Management

The RTX 5090 has a new cooling system that removes heat up to 30% better. Nvidia added two fans, a 3D vapor chamber, and special fins. These parts help keep the GPU cool when it works hard. The RTX 5090 is thinner than the RTX 4090, so it fits in small spaces. The new power connector is angled, which helps air move and makes setup easier.

  • Two fans pull cool air in and push hot air out.

  • The 3D vapor chamber and pipes move heat away fast.

  • The two-slot shape fits well in crowded server racks.

  • The new cooling keeps the GPU steady and safe.

This design helps hosting companies control heat better, even in places with little room.

Hong Kong Data Center Impact

Hong Kong data centers have special problems because the city is crowded and the weather is hot and wet. The RTX 5090 uses less power and has better cooling. This means cooling systems do not have to work as hard. Using less energy and making less heat helps the environment and saves money. Hosting companies in Hong Kong like that the RTX 5090 stays fast and cool, even in small data centers.

💡 Good cooling and lower power use help Hong Kong data centers stay strong and save money.

Operational Factors

Server Integration

Data centers in Hong Kong need GPUs that fit well in server racks. The Nvidia RTX 5090 is thinner and uses a dual-slot design. This lets more GPUs fit in each server. It is easy to install and makes cable management simple. The power connector is angled, so air moves better and wires are less messy. Many hosting providers pick the RTX 5090 because it works with new server cases. It can handle tough jobs without needing big hardware changes.

Maintenance and Reliability

Hosting services must work all the time. The RTX 5090 and RTX 4090 both run well and stay stable. Providers often promise 99.95% uptime for GPU VPS hosting with these cards. They depend on:

  • Experts who watch and help 24/7 to keep things running.

  • Strong systems that keep connections steady.

  • DDoS protection to stop attacks.

  • NVMe SSD storage and 10 Gbps networking for fast data.

We do not know the exact hardware failure rates. But service reliability is still very high. Hosting companies use backup systems and fix problems early to avoid downtime.

Support in Hong Kong

Local help is important for using GPUs well. Many vendors in Hong Kong give direct technical support for Nvidia GPUs. They can replace parts fast and fix problems on-site. Hosting providers get quick help and advice from experts. This local support keeps services running smoothly. For businesses using Hong Kong hosting, good vendor support and fast help make daily work easier.

Cost and ROI

Total Cost of Ownership

Hosting providers in Hong Kong need to think about more than just buying a GPU. The total cost includes hardware, energy, cooling, and maintenance. The Nvidia RTX 5090 costs more at first than the RTX 4090. Import tariffs and Nvidia’s new prices make the RTX 5090 even more expensive in Hong Kong. The RTX 5090 uses more power, so electricity bills can go up. But it works better for each watt and has better cooling. This can help save money on running costs over time.

Cost Factor

RTX 5090

RTX 4090

Initial Purchase

Higher

Lower

Power Consumption

Higher, but efficient

Lower

Cooling Needs

Advanced, efficient

Standard

Maintenance

Similar

Similar

💡 Tip: Providers should check the total cost over many years. This helps them see which GPU gives better value.

Upgrade Considerations

When thinking about upgrades, hosting providers must look at the RTX 5090’s new features and its higher price. The RTX 5090 has more CUDA cores, faster GDDR7 memory, and better cooling. These upgrades help with bigger jobs and faster work. Providers who need to run new AI models or do tough tasks will like the RTX 5090. If jobs are not too hard, the RTX 4090 may be enough.

  • The RTX 5090 is good for future AI and compute jobs.

  • The RTX 4090 is still strong for easier work.

  • Providers should look at what they need now and later before upgrading.

Long-Term Value

The long-term value of the RTX 5090 depends on what each provider wants and the jobs they do.

  • Nvidia made the RTX 5090 to replace Titan-class cards for professional work.

  • The RTX 5090 has more cores and new memory, so it works better for hosting.

  • Nvidia’s high prices and import tariffs can make the total cost go up.

  • AMD does not have a GPU that matches the RTX 5090.

  • The RTX 5090 gives top performance and new features, but costs more.

  • Providers who need the best GPU and can pay more will get the most value over time.

📈 Note: The RTX 5090 is a top choice for high performance. Its value grows for providers who want the best and plan for the future.

Recommendations

Best Use Cases

The Nvidia RTX 5090 and RTX 4090 are good for different jobs in Hong Kong hosting. Hosting companies should pick the GPU that matches their work.

RTX 5090 excels in:

  • Big AI training and deep learning jobs

  • Fast cloud gaming services

  • Live image and video work

  • Running many virtual GPUs for big companies

  • Data centers that need strong power and cooling

RTX 4090 fits well for:

  • Small or medium AI tasks

  • General GPU hosting for new businesses

  • Projects that need to save money

  • Backup or extra GPU in a group

💡 Tip: Providers should check how big their jobs are and what speed they need. The RTX 5090 is best for hard jobs and future needs.

Future-Proofing

Technology changes fast in hosting. Companies in Hong Kong must get ready for bigger jobs. The RTX 5090 has features that help data centers last longer.

  • PCIe Gen5 support lets servers move data faster.

  • GDDR7 memory can handle bigger AI models.

  • Advanced cooling helps in tight server spaces and hot weather.

  • DLSS 4 and improved AI cores let you run new AI and graphics jobs.

A company that buys the RTX 5090 can use new software and help more customers for years. The RTX 4090 is still good for now but may need to be replaced sooner as jobs get harder.

📈 Note: Picking a GPU with new features helps data centers keep up and be ready for new trends.

Decision Checklist

Hosting companies in Hong Kong can use this checklist to help pick a GPU:

Question

RTX 5090

RTX 4090

Do you need top-tier AI and compute power?

Is power efficiency a key concern?

Will you run large models or multi-GPU setups?

Is initial cost the main factor?

Are you upgrading for future workloads?

Do you need reliable local support?

📝 Checklist: Companies should look at their answers. If most answers point to the RTX 5090, it is better for long-term use and speed. If saving money is most important, the RTX 4090 is still a good pick.

The Nvidia RTX 5090 is much better for Hong Kong hosting. It gives twice the speed and has new AI features compared to the RTX 4090. Hosting providers get help from DLSS 4 technology. DLSS 4 makes games run smoother and uses less VRAM. Providers should test their workloads before upgrading. Some older games might not get much faster. Power use and cooling are still very important. Some providers might pick the RTX 5070 to save money in busy server rooms. The next step is to check what each app needs and set up GPUs to work well.

FAQ

What makes the RTX 5090 better for Hong Kong data centers?

The RTX 5090 is faster and uses less power. It also stays cooler than older models. These things help Hong Kong data centers do hard jobs. They can also save money on power and cooling.

Can the RTX 5090 fit in standard server racks?

Yes, the RTX 5090 is made to fit most server racks. It has a special shape and a slanted power plug. This makes it easy to put in and helps air move better.

Is the RTX 5090 worth the higher price for hosting providers?

Hosting providers get quicker AI work and use less energy with the RTX 5090. It has new features that will last for years. The higher price can save money later by lowering bills and making services better.

How does local support in Hong Kong benefit GPU hosting?

Local sellers can fix problems fast and swap out broken parts quickly. This helps hosting companies keep their services running and makes customers happy.

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