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  3. /AMD Radeon RX 7900 XT vs AMD Radeon RX 6600S

AMD Radeon RX 7900 XT vs AMD Radeon RX 6600S

Verdict

Our overall take, at a glance

Key takeaways

  • AMD Radeon RX 7900 XT leads AMD Radeon RX 6600S overall by 24 points (85 vs 61 out of 100).
  • AMD Radeon RX 7900 XT stands out on Core Specifications Base Power: 380 W, Core Specifications Maximum Power: 520 W, Core Specifications Lithography Process: 5 nm.
AMD Radeon RX 7900 XT leads overall
$899 at launch
AMD Radeon RX 7900 XT
85
AMD Radeon RX 6600S
61
Why it stands out
  • Core Specifications Base Power: 380 W
  • Core Specifications Maximum Power: 520 W
  • Core Specifications Lithography Process: 5 nm

Value for Money

Which is the better deal for the price

Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.

AMD Radeon RX 7900 XT

Check Price on Amazon

AMD Radeon RX 6600S

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Performance

Higher benchmark score = faster

AMD Radeon RX 7900 XT29,500
AMD Radeon RX 6600S12,500
See the raw benchmark values →

Benchmark score — a measured indicator of raw performance, not a guarantee of real-world speed.

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Detailed Specifications

The full spec sheet, side by side

Core Specifications

Feature
AMD Radeon RX 7900 XT
AMD Radeon RX 6600S
Base Frequency
2 GHz
2.359 GHz
Base Power
380 W
50 W
Maximum Frequency
2.4 GHz
2.655 GHz
Maximum Power
520 W
100 W
Lithography Process
5 nm
7 nm

Memory

Feature
AMD Radeon RX 7900 XT
AMD Radeon RX 6600S
Capacity
20 GB
8 GB
Technology
Bus Width
320 bit
192 bit
Bandwidth
960 GB/s
432 GB/s
Is Shared
No
No

API Support

Feature
AMD Radeon RX 7900 XT
AMD Radeon RX 6600S
DirectX Version
12
12
OpenGL Version
4.6
4.6
Vulkan Version
1.3
1.3
OpenCL Version
2
2

Theoretical Performance

Feature
AMD Radeon RX 7900 XT
AMD Radeon RX 6600S
Pixel Rate
268.8 GP/s
70.1 GP/s
Texture Rate
672 GT/s
219.2 GT/s
Performance (FP16)
103.7 TFLOPS
14 TFLOPS
Performance (FP32)
51.5 TFLOPS
7 TFLOPS
Performance (FP64)
1,610.3 GFLOPS
438 GFLOPS

Benchmark

Feature
AMD Radeon RX 7900 XT
AMD Radeon RX 6600S
G3D Mark
29,500
12,500

Miscellaneous

Feature
AMD Radeon RX 7900 XT
AMD Radeon RX 6600S
Release Date
December 13, 2022
February 1, 2022
Platform

Specification Note

Specifications are compiled from official manufacturer data and other reliable internet sources. Some features may vary by region or model configuration.

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