AMD RX 7800 XT vs AMD RX 6800 XT

TOPGPU|09 Apr 2024 8:14 am
AMD RX 7800 XT
AMD RX 6800 XT
AMD RX 7800 XT
AMD RX 6800 XT
The AMD RX 7800 XT and AMD RX 6800 XT are both high-performance graphics cards from AMD, but they have some key differences. The RX 7800 XT is based on the newer RDNA 3 architecture, offering higher clock speeds, more stream processors, and improved ray tracing performance. It also features lower power consumption and less heat output. The RX 6800 XT, on the other hand, is based on the older RDNA 2 architecture, but still offers excellent performance and can often be found at a lower price. Overall, the RX 7800 XT is a more powerful and efficient graphics card, but the RX 6800 XT is a better value for the money.
GPU advantages and disadvantages:

AMD RX 7800 XT


Significantly improved performance, especially in ray tracing workloads

Higher clock speeds and more stream processors

Lower power consumption and less heat output


Higher price

May have limited availability

AMD RX 6800 XT


Excellent price-to-performance ratio

Still offers great gaming performance

Widely available


Not as powerful as the RX 7800 XT

Higher power consumption and heat output

GPU comparison:
AMD RX 7800 XT
AMD RX 6800 XT

Graphics core

Release Date November 2023 November 2020
Generation RDNA 3 RDNA 2
Applicable Type Desktop Desktop
Processor Number 100-000000073-01 100-000000064-01
Bus Interface PCIe 4.0 x 16 PCIe 4.0 x 16


Memory Type GDDR6 GDDR6
Memory Capacity 16GB 16GB
Memory Bus Width 256bit 256bit
Memory Speed 20Gbps 16Gbps

Clock speed

Game Clock 2000MHz 2015MHz
Boost Clock 2300MHz 2250MHz

Render Config

Stream Processors 4096 4608
Rasterization Processing Units 128 96
Texture Units 256 256

Theoretical Performance

Floating Point Performance 52.4 TFLOPS 20.7 TFLOPS
Integer Performance 10.48 TOPS 6.48 TOPS

Graphics Processor

Manufacturing Process 6nm 7nm
Transistor Count 5.8 billion 16.8 billion
Die Size 350 square millimeters 251 square millimeters

Board Design

Cooling Solution Dual-fan Dual-fan
Card Length 276 millimeters 267 millimeters
Card Width 122 millimeters 120 millimeters
Card Height 52 millimeters 50 millimeters
Power Consumption 350W 350W

Benchmark Comparison

The AMD RX 7800 XT is the latest generation of AMD graphics cards, and it offers a significant performance boost over its predecessor, the RX 6800 XT. Here is a comparison of how these two graphics cards perform in various benchmarks:

3DMark Time Spy Extreme

  • RX 7800 XT: 10,220
  • RX 6800 XT: 8,450

3DMark Port Royal

  • RX 7800 XT: 7,850
  • RX 6800 XT: 5,800

UL Benchmarks 3DMark Fire Strike Ultra

  • RX 7800 XT: 14,500
  • RX 6800 XT: 11,800

VRMark Orange Room

  • RX 7800 XT: 13,500
  • RX 6800 XT: 10,900

Game benchmarks

Assassin's Creed: Valhalla (1440p, Ultra Quality)

  • RX 7800 XT: 100 FPS
  • RX 6800 XT: 75 FPS

Control (1440p, Ultra Quality, Ray Tracing On)

  • RX 7800 XT: 75 FPS
  • RX 6800 XT: 55 FPS

Cyberpunk 2077 (1440p, Ultra Quality, Ray Tracing On)

  • RX 7800 XT: 60 FPS
  • RX 6800 XT: 45 FPS

Overall, the AMD RX 7800 XT offers a significant performance boost over the RX 6800 XT in all benchmarks, especially in ray tracing workloads.