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Comparative Analysis of High-End Laptop GPUs: NVIDIA GeForce RTX 4080, Intel Arc A770M, and Other Models

GOOVER DAILY REPORT July 15, 2024
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TABLE OF CONTENTS

  1. Summary
  2. Overview of NVIDIA GeForce RTX 4080 Laptop GPU
  3. NVIDIA Quadro T500 Mobile GPU
  4. Comparison: NVIDIA GeForce RTX 4080 vs Intel Arc A770M vs NVIDIA GeForce RTX 4090
  5. Conclusion

1. Summary

  • The report titled 'Comparative Analysis of High-End Laptop GPUs: NVIDIA GeForce RTX 4080, Intel Arc A770M, and Other Models' aims to provide a detailed evaluation of these GPUs in terms of architecture, performance benchmarks, and power consumption. It covers the NVIDIA GeForce RTX 4080, Intel Arc A770M, and other models such as the NVIDIA GeForce RTX 4090 and NVIDIA Quadro T500 Mobile GPU. Key findings include the superior performance of the RTX 4080 and RTX 4090 due to their advanced Ada Lovelace architecture, while the Intel Arc A770M offers balanced performance within the mid-range spectrum. The report also highlights the architectural and performance efficiencies of the NVIDIA Quadro T500 Mobile GPU, particularly in professional settings.

2. Overview of NVIDIA GeForce RTX 4080 Laptop GPU

  • 2-1. Introduction to NVIDIA GeForce RTX 4080

  • The NVIDIA GeForce RTX 4080 Laptop GPU, codenamed GN21-X9, is a high-end notebook graphics card introduced in early 2023. It is based on the AD104 chip, which utilizes the Ada Lovelace architecture, similar to the desktop RTX 4070 Ti. This makes the RTX 4080 a powerful contender in the high-end laptop GPU market.

  • 2-2. Architectural Features

  • The AD104 chip in the RTX 4080 houses 7,680 shaders and a 192-bit memory bus supporting 12 GB of GDDR6 VRAM, with an effective clock speed of 16 to 20 Gbps. Additionally, it has 232 4th generation Tensor cores for DLSS 3 and 58 3rd generation Raytracing cores. The chip is manufactured using TSMC's 5nm process (4N) and includes 35.8 billion transistors on a die size of 379 mm².

  • 2-3. Performance Metrics

  • The RTX 4080 Laptop GPU's performance is influenced by its Total Graphics Power (TGP), which ranges from 60 to 150 watts, plus an additional 15 watts of Dynamic Boost from the CPU. The clock speeds can vary significantly based on these TGP settings, ranging from 1350 MHz (Boost at 60W) to 2280 MHz (Boost at 150W). This variability means the GPU's performance is highly dependent on the thermal design and cooling system of the host notebook. In synthetic benchmarks, the RTX 4080 Laptop GPU outperforms the older RTX 3080 Ti Laptop GPU and is second only to the RTX 4090. It can handle demanding games like F1 23 with ray tracing enabled in QHD resolution and less demanding games in 4K without issues.

  • 2-4. Power Consumption

  • The TGP of the RTX 4080 ranges from 60 to 150 watts, allowing for significant flexibility in power consumption. This is lower compared to the 285 watts of its desktop counterpart, RTX 4070 Ti, making it more suitable for laptop configurations. Usage scenarios, such as Dynamic Boost contributions from the CPU, can impact this TGP further by approximately 15 watts.

  • 2-5. Use Cases

  • With its high shader count, advanced Tensor and Raytracing cores, and flexible power consumption, the RTX 4080 Laptop GPU is well-suited for high-end gaming laptops and demanding creative workloads. Users can expect smooth performance in modern AAA titles with ray tracing and high resolutions or 4K gaming for less graphically intensive games. The DLSS 3 technology further enhances performance, allowing for higher frame rates with minimal quality loss.

3. NVIDIA Quadro T500 Mobile GPU

  • 3-1. Introduction to NVIDIA Quadro T500

  • The NVIDIA Quadro T500 Mobile, previously known as Quadro T500, is a professional mobile graphics card by NVIDIA. It is designed for laptops and is based on the Turing architecture (TU117 chip). The Quadro T500 is similar to the consumer GeForce MX450, featuring 896 cores and a 64-bit memory bus. It comes with either 2 or 4 GB of graphics RAM (GDDR5 or GDDR6). The GPU's TDP (Thermal Design Power) ranges between 18 to 25 watts, depending on the variant.

  • 3-2. Architectural Features

  • The Turing architecture of the T500 introduces several improvements over previous generations. It features concurrent execution of floating point and integer operations which enhances performance in compute-heavy workloads. The new unified memory architecture offers twice the cache compared to the previous Pascal architecture, leading to up to 50% more instructions per clock and a 40% reduction in power consumption. Unlike the higher-end Quadro RTX cards, the T500 does not include ray tracing and Tensor cores. It does, however, support PCIe 4.0 and is manufactured using the 12nm FinFET process at TSMC.

  • 3-3. Benchmark Results

  • The performance of the NVIDIA Quadro T500 has been evaluated using various benchmarks. Specifically, it has undergone testing with 3DMark 11, Fire Strike, and Time Spy benchmarks, among others. The benchmark scores indicate a decent performance for professional mobile graphics use cases. SPECviewperf 13 tests, such as specvp13 sw-04 and specvp13 showcase-02, provide a comprehensive understanding of its capabilities in professional applications. Additionally, the T500 has been tested with game benchmarks across different resolutions and settings, showing varying levels of playability.

  • 3-4. Power Efficiency

  • The NVIDIA Quadro T500 demonstrates commendable power efficiency, especially in comparison to older architectures like Pascal. Its TDP varies from 18 to 25 watts, based on configuration. The Turing architecture improvements significantly reduce power consumption while increasing performance, achieving up to 50% more instructions per clock. This efficiency makes the T500 suitable for professional laptops where both performance and battery life are critical.

  • 3-5. Comparison with Other NVIDIA GPUs

  • The NVIDIA Quadro T500, while lacking the ray tracing and Tensor cores found in more advanced RTX models, offers a good balance of performance and power efficiency. It is positioned below the more powerful Quadro and GeForce RTX series but provides sufficient computational capability for many professional applications. Its architectural similarities with the GeForce MX450, combined with the enhancements of the Turing architecture, make it a competitive option for mobile professional graphics needs.

4. Comparison: NVIDIA GeForce RTX 4080 vs Intel Arc A770M vs NVIDIA GeForce RTX 4090

  • 4-1. Core Specifications

  • The NVIDIA GeForce RTX 4080 Laptop GPU (Codename GN21-X9) is a high-end notebook graphics card introduced in early 2023. It is based on the AD104 chip (Ada Lovelace architecture) and features up to 7,680 shaders alongside a 192-bit memory bus. The Intel Arc A770M, also released in early 2023, utilizes the ACM-G10 chip with 32 Xe-Cores, 32 Ray-Tracing Units, and varying clock speeds between 300 MHz and 2,050 MHz. The NVIDIA GeForce RTX 4090 Laptop GPU, another high-end model, is based on the AD103 chip sharing architecture similar to the desktop RTX 4080, with 10,752 shaders and a 256-bit memory bus.

  • 4-2. Memory Interface and Clock Speeds

  • The RTX 4080 offers 12 GB of GDDR6 memory with effective clock speeds of 16 to 20 Gbps on a 192-bit memory bus. The Intel Arc A770M supports 16 GB of GDDR6 memory with speeds up to 16 Gbps on a 256-bit memory interface. The RTX 4090 provides 16 GB of GDDR6 memory operating at 20 Gbps, also supported by a 256-bit memory interface.

  • 4-3. Power Consumption

  • The total graphics power (TGP) for the RTX 4080 ranges from 60 to 150 watts, with an additional 15 watts possible through Dynamic Boost. The A770M has a TGP of 120 to 150 watts. The RTX 4090 TGP varies from 80 to 150 watts, plus up to 15 watts from Dynamic Boost technology.

  • 4-4. Performance Benchmarks

  • In synthetic benchmarks, the RTX 4090 consistently outperforms the RTX 4080 and A770M, leading in tests such as 3DMark Time Spy, Fire Strike, and other benchmarking tools. The RTX 4080 shows better performance than the older RTX 3080 Ti Laptop GPU, while the A770M sits in the upper middle class but often falls below the RTX 4070 Ti and RTX 4080 in tests.

  • 4-5. Manufacturing Processes

  • Both the RTX 4080 and RTX 4090 employ TSMC's 5nm process technology (4N). The Intel Arc A770M, on the other hand, uses a 6nm process also provided by TSMC.

5. Conclusion

  • The analysis underscores that the NVIDIA GeForce RTX 4080 and RTX 4090 Laptop GPUs excel in performance due to their high core counts and advanced Ada Lovelace architecture. These GPUs are well-suited for high-end gaming and demanding creative workloads, particularly benefiting from advanced technologies like DLSS 3 for enhanced frame rates. The Intel Arc A770M, while not as powerful as the RTX series, provides a balanced performance option suitable for mid-range needs with its 32 Xe-Cores and optimized power consumption. The NVIDIA Quadro T500 Mobile GPU, although lacking ray tracing and Tensor cores, demonstrates commendable efficiency and suitability for professional applications with its Turing architecture and low TDP. The report suggests that further real-world testing is necessary to validate these benchmark results fully and proposes exploring additional use cases. Looking ahead, advancements in architecture and manufacturing processes are likely to drive further improvements in GPU performance and efficiency, offering more versatile solutions for both gaming and professional needs.

6. Glossary

  • 6-1. NVIDIA GeForce RTX 4080 Laptop GPU [Product]

  • A high-end notebook graphics card unveiled in early 2023, featuring the AD104 chip based on the Ada Lovelace architecture with 7,680 Shader units, a 192-bit memory bus, 12 GB GDDR6 memory, and clock speeds of 16 or 20 Gbps.

  • 6-2. Intel Arc A770M [Product]

  • A mid-range laptop GPU with 32 Xe-cores, known for its balanced performance and power consumption among high-end GPUs.

  • 6-3. NVIDIA GeForce RTX 4090 Laptop GPU [Product]

  • A high-end GPU based on the Ada Lovelace architecture, known for its high core count and superior performance metrics.

  • 6-4. NVIDIA Quadro T500 Mobile GPU [Product]

  • A professional mobile graphics card based on the Turing architecture, offering 2 or 4 GB graphics RAM, and geared towards professional applications.

7. Source Documents