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Abde Manaf

At HI Digital I test and write about different hardware configurations to show other PC users what they can expect from their build. My end goal is to educate the masses to make the right decision when they are looking for new PC parts to buy

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Pros And Cons

Comparison Table

Architectural Differences 

1. Process Node: RTX 4080 employs advanced 4nm technology for high transistor density and efficiency. RX 6900 XT uses a 7nm node, offering good performance but slightly lower efficiency.
2. Memory: RTX 4080 features faster GDDR6X memory at 22.4 GB/s speed and 912 GB/s bandwidth. RX 6900 XT utilizes GDDR6 memory with 16 Gbps speed and up to 512 GB/s bandwidth.
3. Clock Speed: RTX 4080 boasts higher base and boost clock speeds, reaching 2.21 GHz and 2.51 GHz respectively. RX 6900 XT has lower speeds with a base clock of 1825 MHz and a boost clock of up to 2250 MHz.
4. TDP: RTX 4080 consumes 320 watts, while RX 6900 XT uses slightly less power at 300 watts.
5. PCIe Interface: Both cards support PCIe Gen 4.0, with RTX 4080 offering faster data transfer rates.

Nvidia’s RTX 4080 versus AMD’s RX 6900 XT! We’ll break down their latest tech and raw power to see who comes out on top. Join us as we find out which GPU reigns supreme in this showdown.

Gaming Benchmarks

The best way to measure the performance of graphics cards is their gaming benchmark. For Nvidia RTX 4080 vs AMD RX 6900 XT, we have examined the criterion of 6 games that demand high performance. 

Testing Rig

• OS: Windows 11
• Processor: Intel Core i7 13700k
• Motherboard: MSI MEG Z790 ACE MAX Motherboard
• RAM: XPG Lancer RGB 32GB 7200MHz DDR5 Ram
• Cooler: Noctua NH-L9x65 chromax.black CPU Air Cooler
• PSU: ENERMAX REVOLUTION D.F. X 1050W

A Plague Tale: Requiem

• The average FPS for both graphics cards in A Plague Tale: Requiem was lower than 100, with RTX 4080 at 55 FPS and RX 6900 XT at 38 FPS.
• In terms of 1% low FPS, the RTX 4080 scored 49 while the RX 6900 XT scored 34, highlighting differences in consistent performance.

Call of Duty: Modern Warfare 2

• In COD: Modern Warfare, I observed that the RTX 4080 delivered an impressive 104 average FPS, while the RX 6900 XT lagged with 80 FPS.
• When examining the 1% low frame rates, the RTX 4080 maintained a solid 94 FPS, whereas the RX 6900 XT struggled at 69 FPS.

F1 22

• In my session of F1 22, the RTX 4080 pulled ahead with an impressive average frame rate of 170 FPS, leaving the RX 6900 XT slightly behind at 137 FPS.
• When it came to those crucial 1% low frame rates, the RX 6900 XT surprisingly showed 112 FPS compared to the RTX 4080’s 99 FPS.

Forza Horizon 5

• The RTX 4080 boasted an average frame rate of 103 FPS in Forza Horizon 5, outperforming the RX 6900 XT’s 69 FPS.
• Examining the 1% low frame rates, the RTX 4080 showed improvement with 72 FPS compared to the RX 6900 XT’s 64 FPS in the same game.

Kena: Bridge Of Spirits

• The RTX 4080 demonstrated a strong performance with an average frame rate of 92 FPS in Kena: Bridge of Spirits, surpassing the RX 6900 XT’s 60 FPS.
• However, when considering 1% low frame rates, the RX 6900 XT struggled with a relatively poor 34 FPS compared to the RTX 4080’s 60 FPS in the same game.

Uncharted: The Lost Legacy

• In Uncharted: The Lost Legacy, the RTX 4080 maintained a solid average frame rate of 83 FPS, outperforming the RX 6900 XT’s 68 FPS.
• Analyzing the 1% low FPS performance, the RTX 4080 led with 75 FPS, showing a 15 FPS advantage over the RX 6900 XT’s 59 FPS in the same game.

Overall Gaming Performance

The RTX 4080 had an average of 99 FPS, while that of the RX 6900 XT was 71. In percentage, the Nvidia RTX 4080 has nearly 40% better performance than the AMD RX 6900 XT.

Power Consumption

The average overall power consumption in all games was 294.7 watts for Nvidia RTX 4080, while for AMD RX 6900 XT, it was 299.2 watts. Which isn’t a noticeable difference.

Thermal Efficiency

The average temperature in all games for RTX 4080 is 69.5 °C, while for RX 6900 XT, it is 77.5 °C. The thermal efficiency of RTX 4080 is greater than that of RX 6900 XT by 11.5%.

Pricing And Availability

The GeForce RTX 4080 will cost $1099, according to current prices. You can get AMD RX 6900 XT for less than 750$. The difference between the current prices of these GPUs is almost 44%.

Final Verdict – What We Recommend?

NVIDIA GeForce RTX 4080: With its exceptional gaming performance, boasting approximately 40% better frame rates than the AMD Radeon RX 6900 XT across various games, the RTX 4080 emerges as the superior choice for gamers seeking top-tier performance. Its thermal efficiency, running cooler than the RX 6900 XT while consuming slightly less power, further solidifies its position. 

AMD Radeon RX 6900 XT: Although slightly lagging in gaming performance compared to the RTX 4080, the RX 6900 XT still offers commendable performance, especially for users on a tighter budget. With its current average price hovering around $700, it presents an attractive option for gamers.

Overall, if you’re aiming for uncompromising gaming performance and can afford the investment, the NVIDIA GeForce RTX 4080 is the clear winner. However, for those seeking a more budget-friendly alternative without sacrificing too much in terms of performance, the AMD Radeon RX 6900 XT remains a solid option.

More From RX 6900 XT

• RTX 4090 Vs RX 6900 XT
• RX 7900 XTX Vs RX 6900 XT
• RTX 3080 Vs RX 6900 XT

Abde Manaf

[How-To Guides Expert]

Laiba, our tech guru at HI Digital, simplifies and crafts How-To Guides with a Google IT Support Certificate. Beyond tech, she captures the city’s aesthetics through her lens. Join her journey where tech meets creativity!

Get In Touch: Laiba@hidgt.com