FPSVersusRadeon RX 6900 XT vs Radeon RX 7900 GRE
Performance score
Radeon RX 7900 GRE is 11% faster than Radeon RX 6900 XT by our estimate.
The score is our own estimate from the specs (core count, clock, architecture), not FPS from benchmarks. 100 = the fastest card in our database.
Real tests
What the test measures
Blender is a popular free 3D graphics program. The test makes the device render three ready-made 3D scenes (light, shadows, reflections) and counts how many render passes it finishes per minute. The higher the number, the faster the device handles heavy work: 3D, video editing, photo processing. On a CPU the test loads all cores at once, so it shows the chip's full power; on a graphics card it shows its compute strength.
Median of real test runs on users' computers. It does not show FPS in games. Data updated: 31.10.2026.
Overview
| Radeon RX 6900 XT | Radeon RX 7900 GRE | |
|---|---|---|
| Score (0–100) | 38.27 | 42.62 |
| Ranking position | 26 | 16 |
| Price/performance (0–100) | 36.61 | 74.18 |
| Power efficiency (0–100) | 61.15 | 78.58 |
| Manufacturer | AMD | AMD |
| Type | Desktop | Desktop |
| Architecture | RDNA 2 | RDNA 3 |
| Release date | 2020-12-08 | 2023-07-27 |
| Launch price | $999 | $549 |
Specifications
| Radeon RX 6900 XT | Radeon RX 7900 GRE | |
|---|---|---|
| Shader cores | 5120 | 5120 |
| Game clock | 2015 MHz | 1880 MHz |
| Boost clock | 2250 MHz | 2245 MHz |
| FP32 TFLOPS (calculated) | 23.04 | 22.99 |
| Hardware ray tracing | yes | yes |
| Upscaling | FSR 2 | FSR 3 |
Video memory
| Radeon RX 6900 XT | Radeon RX 7900 GRE | |
|---|---|---|
| VRAM | 16 GB | 16 GB |
| Memory type | GDDR6 | GDDR6 |
| Memory bus | 256 bit | 256 bit |
| Memory bandwidth | 512 GB/s | 576 GB/s |
| Infinity Cache | 128 MB | 64 MB |
Power and connection
| Radeon RX 6900 XT | Radeon RX 7900 GRE | |
|---|---|---|
| Board power | 300 W | 260 W |
Pros and cons
Radeon RX 6900 XT
- no notable advantages
Radeon RX 7900 GRE
- 11% higher overall score
- higher memory bandwidth: 576 vs 512 GB/s
- lower power draw: 260 W vs 300 W
- newer: released in 2023
- cheaper at launch: $549 vs $999
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- Radeon RX7900 GRE vs GeForce RTX3090
- Radeon RX7900 GRE vs GeForce RTX4070 SUPER
- Radeon RX7900 GRE vs GeForce RTX4070 Ti
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