AMD Radeon RX 6800 vs RX 6600
AMD Radeon RX 6800
Navi 21
AMD Radeon RX 6600
Navi 23
We compared two discrete desktop gaming GPUs: the Radeon RX 6800 16 GB with 3840 shaders against the 1 year newer RX 6600 8 GB that utilizes 1792 shaders. Here you will find complete details about specs, efficiency, performance tests, and more.
Review
Gaming
Performance in DirectX, OpenCL, and Vulkan games
Workstation
Perf. in 3D modeling, video editing and rendering apps
AI/ML
Capabilities for machine learning and AI-related tasks
Energy Efficiency
Power consumption efficiency in different scenarios
NanoReview Final Score
Overall video card score
Value for money (Beta)
Key differences
Reasons to consider the Radeon RX 6800
- Performs significantly better (up to 42%) in 3DMark Steel Nomad Lite
- 82% higher maximum theoretical performance (16.2 vs 8.9 TFLOPS)
- Shows 45% higher average frame rate in modern games at QHD resolution – 96 vs 66 FPS
- Includes 8 GB more video memory
- Has 2.3x higher memory bandwidth: 512 vs 224 GB/s
- Achieves 2.3x more points in the GeekBench 6 Compute test (135K vs 58K)
- Has 2.1x more shading units (3840 vs 1792)
Gaming Performance
Frame rate comparison across popular AAA titles at different resolutionsGames
| Forza Horizon 5 | 175 114 95 66 |
144 78 66 43 |
| The Witcher 3 | 172 148 108 57 |
124 104 71 39 |
| Counter-Strike 2 | 265 193 131 75 |
197 140 97 50 |
| Far Cry 6 | 146 129 106 61 |
110 95 70 41 |
| Hogwarts Legacy | 106 86 68 36 |
74 65 46 24 |
| CoD: Modern Warfare III | 146 135 97 63 |
100 96 64 40 |
| Ghost of Tsushima | 110 89 70 43 |
84 65 49 27 |
| Cyberpunk 2077 | 113 98 65 32 |
79 67 43 21 |
| Shadow of the Tomb Raider | 179 168 122 63 |
131 117 84 40 |
| 1080p High | 157 | 116 |
| 1080p Ultra | 129 | 92 |
| 1440p Ultra | 96 | 66 |
| 4K Ultra | 55 | 36 |
| Margin of Error | Low | Low |
Benchmarks
Graphics cards’ performance in recent benchmarking apps3D Mark
Steel Nomad Lite Score
| Time Spy | 16227 | 10397 |
| Solar Bay | 64715 | 45002 |
| Port Royal | 8145 | 5819 |
| Fire Strike | 44367 | 26481 |
| Wild Life Extreme | 29767 | 19820 |
| Night Raid | 142456 | 98330 |
GeekBench 6 OpenCL
GB6 Compute Score
| Background Blur | 298.6 img/sec | 104.1 img/sec |
| Face Detection | 186.2 img/sec | 79.7 img/sec |
| Horizon Detection | 4.75 Gpixels/sec | 2.05 Gpixels/sec |
| Edge Detection | 6.68 Gpixels/sec | 2.61 Gpixels/sec |
| Gaussian Blur | 5.58 Gpixels/sec | 2.59 Gpixels/sec |
| Feature Matching | 1.16 Gpixels/sec | 0.64 Gpixels/sec |
| Stereo Matching | 579 Gpixels/sec | 257.8 Gpixels/sec |
| Particle Physics | 18755.1 FPS | 7635.3 FPS |
| API | OpenCL | OpenCL |
Cinebench 2024 GPU
Cinebench 2024 GPU
Passmark Graphics
G3D Mark Score
| G2D Mark | 1002 | 895 |
| DirectX 11 | 211 FPS | 153 FPS |
| DirectX 12 | 90 FPS | 51 FPS |
| GPU Compute | 10751 Ops/s | 6450 Ops/s |
Blender
Blender GPU
Artificial Intelligence Tests
Performance in machine learning and artificial intelligence tasksGeekBench 6 ML
GB6 ML Single Precision
GB6 ML Half Precision
GB6 ML Quantized
| Image Classification (SP) | 11245 | 5441 |
| Image Segmentation (HP) | 13617 | 6810 |
| Image Super Resolution (Q) | 27747 | 15043 |
| Face Detection (HP) | 38124 | 19066 |
| Pose Estimation (Q) | 119493 | 58821 |
| Text Classification (SP) | 2425 | 1943 |
| Machine Translation (HP) | 5228 | 2928 |
| Object Detection (SP) | 11986 | 4309 |
| Depth Estimation (Q) | 46083 | 23470 |
| Style Transfer (SP) | 281860 | 132475 |
| Framework | ONNX | ONNX |
| Backend | DirectML | DirectML |
Specifications
Technical specifications of Radeon RX 6800 and RX 6600General
| Vendor | Amd | Amd |
| Build | Discrete | Discrete |
| Released | October 28, 2020 | October 13, 2021 |
| Launch price (MSRP) | $579 | $329 |
| Case | Desktop | Desktop |
| Purpose | Gaming | Gaming |
| Segment | High-end | Mid-range |
| Architecture | RDNA 2.0 | RDNA 2.0 |
| GPU Codename | Navi 21 | Navi 23 |
| Rival Equivalent | - GeForce RTX 3060 Ti | - GeForce RTX 3060 |
| Successor | - | - Radeon RX 7600 |
| Recommended CPU | - Intel Core i5 12600 or above | - Intel Core i5 12400 or above |
Desktop GPU rating (38th and 67th place)
Graphics Processing Unit
| Base Clock | 1700 MHz | 1626 MHz |
| Boost Clock | 2105 MHz | 2491 MHz |
| Shading Units | 3840 | 1792 |
| Texture Mapping Units (TMUs) | 240 | 112 |
| Render Output Units (ROPs) | 96 | 64 |
| Tensor Cores | No | No |
| Ray-tracing Cores | 60 | 28 |
| L1 Cache | 128KB per cluster | 128KB per cluster |
| L2 Cache | 4MB shared | 2MB shared |
| Instructions Per Cycle | 2 IPC | 2 IPC |
Raw Performance
| Pixel Fill Rate | 202 GPixel/s | 159 GPixel/s |
| Texture Fill Rate | 505 GTexel/s | 279 GTexel/s |
FLOPS (FP32)
Physical
| Interface | PCIe 4.0 x16 | PCIe 4.0 x8 |
| TGP | 250 W | 132 W |
| Manufacturing | TSMC | TSMC |
| Fabrication Process | 7 nm | 7 nm |
| Die Size | 520 mm² | 237 mm² |
| Transistor Count | 26 billion | 11 billion |
| Transistor Density | 50 MTr/mm² | 46.41 MTr/mm² |
Memory
| Memory Type | GDDR6 | GDDR6 |
| Memory Size | 16 GB | 8 GB |
| Memory Clock | 2000 MHz | 1750 MHz |
| Effective Memory Speed | 16000 Mbps | 14000 Mbps |
| Bus | 256-bit | 128-bit |
| ECC | No | No |
Memory Bandwidth
API
| DirectX | 12 | 12 |
| Vulkan | 1.3 | 1.3 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.1 |
| Ray Tracing | Yes | Yes |
| DLSS | No | No |
| DisplayPort | 1.4a | 1.4a |
Cast your vote
Total votes: 6