Quick Answer
The Radeon RX 6800 XT and Radeon RX 6800 are high-performance graphics cards based on the same RDNA 2 architecture. The primary differences lie in their performance tier and specifications, with the 6800 XT generally offering higher clock speeds, more compute units, and greater memory bandwidth for more demanding workloads. The RX 6800 typically provides a balance of strong performance with a lower power draw.
Radeon RX 6800 XT vs Radeon RX 6800: Full Comparison
Introduction
Choosing between two graphics cards from the same product family can be challenging, as the differences are often nuanced. This comparison examines the Radeon RX 6800 XT and the Radeon RX 6800, two closely related GPUs that share a foundational architecture but target slightly different performance segments. By analyzing their specifications, performance characteristics, and features, this guide aims to clarify their distinctions to help you understand which card’s profile may align better with specific needs, such as high-resolution gaming or content creation.
Performance and Specifications
Both cards are built on AMD’s RDNA 2 architecture, but the RX 6800 XT is configured for a higher performance tier. This is achieved through several key specification upgrades.
- Compute Units: The RX 6800 XT features 72 Compute Units, while the RX 6800 has 60. This gives the XT model a higher potential for parallel processing.
- Clock Speeds: The Game Clock and Boost Clock frequencies are typically higher on the 6800 XT, contributing to its performance advantage in most scenarios.
- Memory Bandwidth: Despite both having 16GB of GDDR6 memory, the 6800 XT utilizes a wider 256-bit memory bus compared to the 6800’s 256-bit, but with faster memory chips, resulting in higher overall bandwidth.
- Power Draw: The increased performance of the 6800 XT comes with a higher typical board power (TBP), generally requiring a more robust power supply and cooling solution.
Gaming and Rendering
In practical terms, the performance difference manifests most clearly in gaming and rendering tasks.
- High-Resolution Gaming: The RX 6800 XT is generally more capable at sustaining higher frame rates at 4K resolution, thanks to its increased compute power and memory bandwidth.
- 1440p Gaming: Both cards excel at 1440p gaming, with the RX 6800 offering a very strong experience. The 6800 XT provides additional headroom for maximizing refresh rates on high-Hz monitors or enabling more demanding graphics settings.
- Ray Tracing: Both GPUs include hardware-accelerated ray tracing. Performance in ray-traced titles is typically better on the 6800 XT, though the feature remains more performance-intensive on both compared to traditional rendering.
- Content Creation: For GPU-accelerated tasks like video editing or 3D rendering, the 6800 XT’s additional compute resources can lead to faster processing times.
Features and Technologies
The feature set is largely identical, as both cards belong to the same generation. Key shared technologies include:
- Infinity Cache: Both models incorporate a large 128MB Infinity Cache on the GPU die, designed to reduce latency and increase effective bandwidth for gaming workloads.
- Smart Access Memory (SAM): When paired with a compatible system, this feature allows the CPU to access the entire GPU memory, which can provide a performance boost in certain games.
- DirectX 12 Ultimate & FidelityFX: Full support for modern graphics APIs and AMD’s suite of image quality enhancement tools is present on both cards.
- Display Outputs: Both typically offer similar display connectivity, including multiple DisplayPort and HDMI ports, supporting high-resolution and high-refresh-rate monitors.
Comparison Table
| Feature | Radeon RX 6800 XT | Radeon RX 6800 |
|---|---|---|
| GPU Architecture | RDNA 2 | RDNA 2 |
| Compute Units | 72 | 60 |
| Ray Accelerators | 72 | 60 |
| Game Clock | Typically higher (e.g., ~2015 MHz) | Typically lower (e.g., ~1815 MHz) |
| Boost Clock | Typically higher (e.g., ~2250 MHz) | Typically lower (e.g., ~2105 MHz) |
| Memory | 16GB GDDR6 | 16GB GDDR6 |
| Memory Bus | 256-bit | 256-bit |
| Memory Bandwidth | Typically higher (e.g., 512 GB/s) | Typically lower (e.g., 512 GB/s, with slower effective speed) |
| Infinity Cache | 128MB | 128MB |
| Typical Board Power (TBP) | Generally higher (e.g., 300W) | Generally lower (e.g., 250W) |
| Recommended PSU | Typically 750W | Typically 650W |
| Performance Target | Enthusiast 4K / High-refresh 1440p | Mainstream 4K / High-refresh 1440p |
FAQ
What is the main difference between the RX 6800 XT and RX 6800?
The main differences are in their core configuration and performance target. The RX 6800 XT has more compute units, higher clock speeds, and greater memory bandwidth, making it the higher-performing card of the two, particularly at 4K resolution.
Do both cards have the same amount of memory?
Yes, both the Radeon RX 6800 XT and the Radeon RX 6800 are equipped with 16GB of GDDR6 memory. This is beneficial for high-resolution gaming and memory-intensive creative applications.
Which card is more power-efficient?
The Radeon RX 6800 generally has a lower typical board power (TBP) requirement than the 6800 XT. This often translates to lower power consumption under load and can result in slightly less heat output.
Is the feature set different between these two GPUs?
No, the feature set is virtually identical. Both support the same technologies like DirectX 12 Ultimate, hardware-accelerated ray tracing, AMD Infinity Cache, and Smart Access Memory.
Final Thoughts
The Radeon RX 6800 XT and RX 6800 represent two strong options within the same GPU generation. The 6800 XT is positioned for users seeking maximum performance for 4K gaming or demanding professional workloads, accepting a higher power draw as a trade-off. The RX 6800 offers a compelling balance of performance and efficiency, often delivering excellent 1440p gaming and strong 4K capability. The choice between them typically depends on the specific performance level required for a user’s primary applications and the capabilities of their existing system, particularly the power supply. Both are capable cards that share a modern architecture and a robust set of features.