Radeon RX 6900 XT VS GeForce RTX 3090
We are comparing the Radeon RX 6900 XT ( AMD ) head-to-head with the GeForce RTX 3090 ( NVIDIA ) . You’ll get the key pros and cons of each graphics card, in-depth specs, and gaming benchmarks.
Note: This comparison of Radeon RX 6900 XT vs. GeForce RTX 3090 is based on Comparigon's analysis and is for informational purposes only.
Last Updated: August 21, 2026
Overall Comparison
KEY DIFFERENCES OF Radeon RX 6900 XT AND GeForce RTX 3090
Here’s how Radeon RX 6900 XT and GeForce RTX 3090 stack up against each other in their most impactful areas. Use these bullets to see at a glance which graphics card excels where.
Reasons to consider the Radeon RX 6900 XT
-
3% higher 1080p Ultra FPS (157 vs 152)
-
33% higher Boost Clock (2250 MHz vs 1695 MHz)
-
5% higher 3DMark Time Spy score (20801 vs 19898)
-
13% smaller process node (7 nm vs 8 nm)
Reasons to consider the GeForce RTX 3090
-
29% higher 3DMark Port Royal score (13633 vs 10535)
-
71% higher Geekbench 6 OpenCL score (211669 vs 124121)
-
137% higher Blender score (5864 vs 2473)
-
5% higher PassMark GPU Compute score (15155 vs 14404)
-
54% higher FP32 Compute (35.58 TFLOPS vs 23.04 TFLOPS)
SPECIFICATION TABLE COMPARISON OF Radeon RX 6900 XT AND GeForce RTX 3090
Below is the detailed specification table comparing Radeon RX 6900 XT and GeForce RTX 3090.
Note: Highlighted specs mean that GPU wins that spec row.
If neither side is highlighted, it is a tie or there is not enough data for both specs.
| Specification | Radeon RX 6900 XT | GeForce RTX 3090 |
|---|---|---|
|
General Info
|
||
| GPU Name: | Radeon RX 6900 XT | GeForce RTX 3090 |
| GPU Type: | Discrete | Discrete |
| Codename: | Navi 21 | GA102 |
| Vendor: | AMD | NVIDIA |
| Foundry: | TSMC | Samsung |
| Architecture: | RDNA 2.0 | Ampere |
| Generation: | Navi II (RX 6000) | GeForce 30 |
| Release Date: | October 28, 2020 | September 1, 2020 |
|
Board Design
|
||
| Bus Interface: | PCIe 4.0 x16 | PCIe 4.0 x16 |
| PCIe Version: | 4.0 | 4.0 |
| PCIe Lanes: | x16 | x16 |
| Process Size: | 7 nm | 8 nm |
| Transistors: | 26.8 billion | 28.3 billion |
| Density: | 51.5 MTr/mm² | 45.1 MTr/mm² |
| Die Size: | 520 mm² | 628 mm² |
| Board Length: | 267 mm | 336 mm |
| Board Width: | 50 mm | 61 mm |
| Board Height: | 120 mm | 140 mm |
| Total Graphics Power (TGP): | 300 W | 350 W |
|
Graphics Processor
|
||
| Compute Units: | 80 | 82 |
| Shading Units: | 5120 | 10496 |
| Texture Mapping Units (TMUs): | 320 | 328 |
| Render Output Units (ROPs): | 128 | 112 |
| Tensor Cores: | — | 328 |
| Ray Tracing Cores: | 80 | 82 |
| Base Clock: | 1825 MHz | 1395 MHz |
| Boost Clock: | 2250 MHz | 1695 MHz |
| L1 Cache: | 128 KB per Array | 128 KB per SM |
| L2 Cache: | 4 MB | 6 MB |
| L3 Cache: | 128 MB | — |
|
Raw Performance
|
||
| Pixel Fill Rate: | 288.0 GPixel/s | 189.8 GPixel/s |
| Texture Fill Rate: | 720.0 GTexel/s | 556.0 GTexel/s |
| FP32 Performance: | 23.04 TFLOPs | 35.58 TFLOPs |
|
Memory
|
||
| Memory Type: | GDDR6 | GDDR6X |
| Memory Size: | 16 GB | 24 GB |
| Memory Bus Width: | 256-bit | 384-bit |
| Memory Clock: | 2000 MHz | 1219 MHz |
| Effective Memory Speed: | 16000 Mbps | 19500 Mbps |
| Bandwidth: | 512 GB/s | 936.2 GB/s |
|
APIs
|
||
| DirectX: | 12.2 | 12.2 |
| Vulkan: | 1.4 | 1.4 |
| OpenGL: | 4.6 | 4.6 |
| OpenCL: | 2.1 | 3.0 |
| CUDA: | No | 8.6 |
| Ray Tracing: | Yes | Yes |
| DLSS: | No | DLSS 2 |
| DisplayPort: | 1.4a | 1.4a |
| HDMI: | 2.1 | 2.1 |
|
Gaming FPS
|
||
| 1080p Ultra (FPS): | 157 | 152 |
| 1440p Ultra (FPS): | 121 | 119 |
| 4K Ultra (FPS): | 70 | 69 |
|
Benchmarks
|
||
|
3D Mark
|
||
| Steel Nomad Lite | 20167 | 21870 |
| Time Spy | 20801 | 19898 |
| Solar Bay | 86944 | 97359 |
| Port Royal | 10535 | 13633 |
| Fire Strike | 57325 | 47513 |
| Wild Life Extreme | 39331 | 43662 |
| Night Raid | 159495 | 139745 |
|
GeekBench 6 OpenCL
|
||
| Compute Score | 124121 | 211669 |
| Background Blur | 231.6 | 320.8 |
| Face Detection | 152.5 | 207.2 |
| Horizon Detection | 4.26 | 10.1 |
| Edge Detection | 5.75 | 14.4 |
| Gaussian Blur | 5.87 | 11.5 |
| Feature Matching | 1.12 | 1.48 |
| Stereo Matching | 618.7 | 984.2 |
| Particle Physics | 17973.9 | 27764.9 |
|
Passmark Graphics
|
||
| G3D Mark | 26692 | 26570 |
| G2D Mark | 1061 | 1069 |
| DirectX 11 | 279 | 219 |
| DirectX 12 | 112 | 110 |
| GPU Compute | 14404 | 15155 |
|
GFXBench 5
|
||
| Aztec Ruins High (4K) | 305.20 | 247.50 |
| Aztec Ruins Normal | 1394.40 | 978.40 |
| Car Chase | 1317.50 | 854.10 |
| Manhattan 3.1.1 (1440p) | 1205.30 | 747.40 |
| T-Rex | 4360.00 | 3732.10 |
| Tessellation | 3954.80 | 6622.80 |
| ALU 2 | 6645.00 | 6650.90 |
| Driver Overhead 2 | 325.20 | 296.00 |
| API | OpenGL | OpenGL |
| OS | Windows | Windows |
|
Blender (Rendering)
|
||
| Blender Score | 2473 | 5864 |
|
GeekBench 6 ML
|
||
| Single Precision | 33651 | 27237 |
| Half Precision | 36994 | 41500 |
| Quantized | 24546 | 15927 |
| Image Classification | 13868 | 10665 |
| Image Segmentation | 17467 | 28963 |
| Image Super Resolution | 32396 | 22697 |
| Face Detection | 47808 | 55232 |
| Pose Estimation | 178873 | 128155 |
| Text Classification | 4358 | 3152 |
| Machine Translation | 7910 | 5088 |
| Object Detection | 15394 | 13891 |
| Depth Estimation | 57351 | 37984 |
| Style Transfer | 372610 | 272000 |
| Framework | ONNX | ONNX |
| Backend | DirectML | DirectML |
|
FurMark
|
||
| 1080p Vulkan | 16109 | 11604 |
| 1440p Vulkan | 11808 | 8504 |
| 2160p Vulkan | 6467 | 4684 |
| 1080p OpenGL | 17611 | 11467 |
| 1440p OpenGL | 12404 | 8557 |
| 2160p OpenGL | 6467 | 4804 |
Tip: ▲ indicates a higher-is-better spec advantage, while ▼ indicates a lower-is-better advantage.
PERFORMANCE CHART COMPARISON OF Radeon RX 6900 XT AND GeForce RTX 3090
The charts below visualize how Radeon RX 6900 XT and GeForce RTX 3090 stack up in key performance metrics.
Radar Chart Comparison
Bullet Chart Comparison
Release Timeline of Radeon RX 6900 XT and GeForce RTX 3090
GeForce RTX 3090 was released 1 month, 27 days earlier than Radeon RX 6900 XT.
Value For Money Calculator
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Domain Score Summary
Note: Scores (0 to 100) are generated by Comparigon’s scoring algorithm and are intended as a high-level guide. They may not map 1-to-1 with the individual spec-by-spec comparisons shown in the table.
Our Verdict
In conclusion, the Radeon RX 6900 XT has a narrow overall lead compared to the GeForce RTX 3090. Its strongest advantages are in Gaming Performance, AI & Machine Learning and Energy Efficiency. The GeForce RTX 3090 is the better fit if your top priority is Hardware Architecture and Workstation.
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