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NVIDIA GeForce RTX 4080 Ti

NVIDIA GeForce RTX 4080 Ti: Next-Generation Power for Gamers and Professionals

Review is relevant as of April 2025

Introduction

The NVIDIA GeForce RTX 4080 Ti is a flagship graphics card designed for those who demand maximum performance in gaming and professional tasks. This is not just an upgrade from previous models, but a significant technological leap. In this article, we will examine what sets this new card apart, how it handles modern projects, and who should pay attention to it.

1. Architecture and Key Features

Blackwell Architecture: Evolution After Ada Lovelace

The RTX 4080 Ti is built on the new Blackwell architecture, succeeding Ada Lovelace. The manufacturing process is TSMC 4N (optimized 5nm), which allowed for a 20% increase in transistor density compared to its predecessor.

Unique Features:

- 4th Generation RTX Accelerators: Ray tracing has become 50% more efficient thanks to improved algorithms and hardware blocks.

- DLSS 4.0: The artificial intelligence now generates frames with minimal artifacts even at 8K resolution. Support for "motion reconstruction" reduces the load on the GPU during dynamic scenes.

- Reflex 2.0: Input latency is reduced to 8ms in games that support this technology.

- Support for FidelityFX Super Resolution 3.0: Despite competition from AMD, NVIDIA has integrated compatibility with FSR for user flexibility.

2. Memory: Speed and Volume

GDDR7 and 24GB for the Future

The graphics card is equipped with GDDR7 memory with a speed of 24 Gbps and a 384-bit bus. This provides a bandwidth of 1.1 TB/s — 40% more than the RTX 4080.

Impact on Performance:

- In 4K gaming with RTX and DLSS 4.0 enabled, latency due to insufficient memory is virtually eliminated.

- For editing 8K videos in DaVinci Resolve, 24GB allows for working with multiple layers of effects without data loading issues.

3. Gaming Performance

Real Numbers in Popular Projects

Testing was conducted on a system with Intel Core i9-14900K and 32GB DDR5-6000:

- Cyberpunk 2077 (Overdrive Mode): 78 FPS at 4K with DLSS 4.0 (Balanced) and ray tracing. Without DLSS — 32 FPS.

- Alan Wake 2 (with RTX): 94 FPS at 1440p, 67 FPS at 4K.

- Starfield (Ray Tracing Overhaul mod): 120 FPS at 1440p.

Resolutions and RTX:

- 1080p: Excess power for esports disciplines (CS3, Valorant — 400+ FPS).

- 1440p: Ideal balance for monitors with a refresh rate of 240 Hz.

- 4K: Smooth gameplay even in AAA titles.

4. Professional Tasks

Not Just Gaming

- 3D Rendering in Blender: BMW scene renders in 42 seconds (30% faster than RTX 4090).

- Video Editing: Exporting an 8K clip in Premiere Pro is accelerated by 25% thanks to 128 NVENC 8th generation cores.

- Scientific Calculations: Support for CUDA 12.5 and OpenCL 3.0 makes the card suitable for machine learning and simulations.

Why Not Quadro?

The RTX 4080 Ti offers 90% of the performance of the RTX 6000 Ada at half the price, but without driver certification for corporate solutions.

5. Power Consumption and Heat Dissipation

TDP 350W: System Requirements

- Recommended power supply — at least 850W (1000W for overclocking).

- Cooling:

- The reference version with a pair of 120mm fans maintains temperatures up to 72°C under load.

- Custom models (ASUS ROG Strix, MSI Suprim X) utilize triple-slot coolers and vapor chambers.

Case Tips:

- Minimum of 3 case fans: 2 for intake, 1 for exhaust.

- For compact builds, mid-tower cases with front perforation are suitable (e.g., Lian Li Lancool III).

6. Competition Comparison

AMD Radeon RX 8900 XT: Battle of Giants

- Pros of RX 8900 XT: $200 cheaper (starting price $1199), support for FSR 4.0.

- Cons: Ray tracing lags by 20%, no analog to DLSS 4.0.

Within Brand:

- RTX 4090: 15% more powerful but $600 more expensive. For most gamers, the extra cost is unjustified.

7. Practical Tips

Building a PC for RTX 4080 Ti

- Power Supply: Choose models with an 80+ Platinum certification (Corsair HX1000, Be Quiet! Dark Power 13).

- Compatibility:

- PCIe 5.0 is mandatory for full bus speeds.

- Motherboards: Any model with PCIe 5.0 x16 will suffice (Intel Z890, AMD X770).

- Drivers: Avoid beta versions. Game Ready Driver 555.20 is stable for all current games.

8. Pros and Cons

Strengths:

- Best-in-class ray tracing performance.

- Support for DLSS 4.0 and AI tools for creativity.

- 24GB memory buffer "for the future."

Weaknesses:

- Price starting at $1399 — not for budget builds.

- Size (3 slots) limits case options.

9. Final Conclusion: Who is the RTX 4080 Ti For?

This graphics card is made for:

- Enthusiast Gamers seeking 4K/120 FPS with maximum settings.

- Content Creators who want to speed up rendering without overpaying for Quadro.

- Tech Enthusiasts who appreciate cutting-edge technologies like AI upscaling.

If you are ready to invest in hardware that will remain relevant for the next 3-4 years, the RTX 4080 Ti is your choice. However, for modest needs (1080p, office tasks), it makes sense to look at lower-tier models.

Prices in this article are for new devices as of April 2025. For current offers, consult official NVIDIA partners.

Basic

Label Name

NVIDIA

Platform

Desktop

Model Name

GeForce RTX 4080 Ti

Generation

GeForce 40

Base Clock

2100MHz

Boost Clock

2400MHz

Bus Interface

PCIe 4.0 x16

Transistors

76,300 million

RT Cores

110

Tensor Cores

Tensor Cores are specialized processing units designed specifically for deep learning, providing higher training and inference performance compared to FP32 training. They enable rapid computations in areas such as computer vision, natural language processing, speech recognition, text-to-speech conversion, and personalized recommendations. The two most notable applications of Tensor Cores are DLSS (Deep Learning Super Sampling) and AI Denoiser for noise reduction.

440

TMUs

Texture Mapping Units (TMUs) serve as components of the GPU, which are capable of rotating, scaling, and distorting binary images, and then placing them as textures onto any plane of a given 3D model. This process is called texture mapping.

440

Foundry

TSMC

Process Size

5 nm

Architecture

Ada Lovelace

Memory Specifications

Memory Size

20GB

Memory Type

GDDR6X

Memory Bus

The memory bus width refers to the number of bits of data that the video memory can transfer within a single clock cycle. The larger the bus width, the greater the amount of data that can be transmitted instantaneously, making it one of the crucial parameters of video memory. The memory bandwidth is calculated as: Memory Bandwidth = Memory Frequency x Memory Bus Width / 8. Therefore, when the memory frequencies are similar, the memory bus width will determine the size of the memory bandwidth.

320bit

Memory Clock

1325MHz

Bandwidth

Memory bandwidth refers to the data transfer rate between the graphics chip and the video memory. It is measured in bytes per second, and the formula to calculate it is: memory bandwidth = working frequency × memory bus width / 8 bits.

848.0 GB/s

Theoretical Performance

Pixel Rate

Pixel fill rate refers to the number of pixels a graphics processing unit (GPU) can render per second, measured in MPixels/s (million pixels per second) or GPixels/s (billion pixels per second). It is the most commonly used metric to evaluate the pixel processing performance of a graphics card.

345.6 GPixel/s

Texture Rate

Texture fill rate refers to the number of texture map elements (texels) that a GPU can map to pixels in a single second.

1056 GTexel/s

FP16 (half)

An important metric for measuring GPU performance is floating-point computing capability. Half-precision floating-point numbers (16-bit) are used for applications like machine learning, where lower precision is acceptable. Single-precision floating-point numbers (32-bit) are used for common multimedia and graphics processing tasks, while double-precision floating-point numbers (64-bit) are required for scientific computing that demands a wide numeric range and high accuracy.

67.58 TFLOPS

FP64 (double)

An important metric for measuring GPU performance is floating-point computing capability. Double-precision floating-point numbers (64-bit) are required for scientific computing that demands a wide numeric range and high accuracy, while single-precision floating-point numbers (32-bit) are used for common multimedia and graphics processing tasks. Half-precision floating-point numbers (16-bit) are used for applications like machine learning, where lower precision is acceptable.

1056 GFLOPS

FP32 (float)

An important metric for measuring GPU performance is floating-point computing capability. Single-precision floating-point numbers (32-bit) are used for common multimedia and graphics processing tasks, while double-precision floating-point numbers (64-bit) are required for scientific computing that demands a wide numeric range and high accuracy. Half-precision floating-point numbers (16-bit) are used for applications like machine learning, where lower precision is acceptable.

66.228 TFLOPS

Miscellaneous

SM Count

Multiple Streaming Processors (SPs), along with other resources, form a Streaming Multiprocessor (SM), which is also referred to as a GPU's major core. These additional resources include components such as warp schedulers, registers, and shared memory. The SM can be considered the heart of the GPU, similar to a CPU core, with registers and shared memory being scarce resources within the SM.

110

Shading Units

The most fundamental processing unit is the Streaming Processor (SP), where specific instructions and tasks are executed. GPUs perform parallel computing, which means multiple SPs work simultaneously to process tasks.

14080

L1 Cache

128 KB (per SM)

L2 Cache

80MB

TDP

400W

Vulkan Version

Vulkan is a cross-platform graphics and compute API by Khronos Group, offering high performance and low CPU overhead. It lets developers control the GPU directly, reduces rendering overhead, and supports multi-threading and multi-core processors.

1.3

OpenCL Version

3.0

OpenGL

4.6

DirectX

12 Ultimate (12_2)

CUDA

8.9

Power Connectors

1x 16-pin

Shader Model

6.7

ROPs

The Raster Operations Pipeline (ROPs) is primarily responsible for handling lighting and reflection calculations in games, as well as managing effects like anti-aliasing (AA), high resolution, smoke, and fire. The more demanding the anti-aliasing and lighting effects in a game, the higher the performance requirements for the ROPs; otherwise, it may result in a sharp drop in frame rate.

144

Suggested PSU

800W

Benchmarks

FP32 (float)

Score

66.228 TFLOPS

Compared to Other GPU

FP32 (float) / TFLOPS

L40G

91.769 +38.6%

GeForce RTX 4090

80.928 +22.2%

GeForce RTX 4080 Ti

66.228

H800 SXM5

60.486 -8.7%

Data Center GPU Max Subsystem

51.381 -22.4%