AMD Radeon RX 7900 XTX vs Radeon RX 6600 XT
[ VERDICT ]
Winner: AMD Radeon RX 7900 XTX (85/100)
AMD Radeon RX 7900 XTX leads overall with a score of 85/100 compared to Radeon RX 6600 XT (30/100), offering superior measured performance and technical specifications.
Benchmark Performance Comparison
Normalized Lab Scores| Benchmark | AMD Radeon RX 7900 XTX | Radeon RX 6600 XT |
|---|---|---|
| 4K Gaming | 91.0 Excellent | — |
| NanoReview Score | 85.0 Very Good | — |
| Rasterization | 94.0 Excellent | — |
| Ray Tracing | 78.0 Very Good | — |
| Efficiency | — | 42.0 Poor |
| Gaming | — | 29.0 Poor |
Detailed Technical Specifications
Memory
| Specification | AMD Radeon RX 7900 XTX | Radeon RX 6600 XT |
|---|---|---|
| Memory Size | 24 GB GDDR6 (384-bit) | — |
| Bus | — | 128-bit |
| ECC | — | No |
| Effective Memory Speed | — | 16000 Mbps |
| Memory Clock | — | 2000 MHz |
| Memory Size | — | 8 GB |
| Memory Type | — | GDDR6 |
Performance
| Specification | AMD Radeon RX 7900 XTX | Radeon RX 6600 XT |
|---|---|---|
| Architecture | AMD RDNA 3 (Chiplet Design) | RDNA 2.0 |
| Stream Processors | 6,144 Stream Processors | — |
Power
| Specification | AMD Radeon RX 7900 XTX | Radeon RX 6600 XT |
|---|---|---|
| Tdp | 355W TBP | — |
3D Mark
| Specification | AMD Radeon RX 7900 XTX | Radeon RX 6600 XT |
|---|---|---|
| Fire Strike | — | 28663 |
| Night Raid | — | 114625 |
| Port Royal | — | 4642 |
| Solar Bay | — | 37690 |
| Time Spy | — | 9637 |
| Wild Life Extreme | — | 17389 |
API
| Specification | AMD Radeon RX 7900 XTX | Radeon RX 6600 XT |
|---|---|---|
| DLSS | — | No |
| DirectX | — | 12 |
| DisplayPort | — | 1.4a |
| OpenCL | — | 2.1 |
| OpenGL | — | 4.6 |
| Ray Tracing | — | Yes |
| Vulkan | — | 1.3 |
Games
| Specification | AMD Radeon RX 7900 XTX | Radeon RX 6600 XT |
|---|---|---|
| 1080p High | — | 108 |
| 1080p Ultra | — | 86 |
| 1440p Ultra | — | 59 |
| 4K Ultra | — | 32 |
| CoD: Modern Warfare III | — | 95875836 |
| Counter-Strike 2 | — | 1841299047 |
| Cyberpunk 2077 | — | 71633715 |
| Far Cry 6 | — | 102916734 |
| Forza Horizon 5 | — | 135766140 |
| Ghost of Tsushima | — | 75584322 |
| Hogwarts Legacy | — | 69594020 |
| Margin of Error | — | Low |
| Shadow of the Tomb Raider | — | 1221107535 |
| The Witcher 3 | — | 116996437 |
GeekBench 6 ML
| Specification | AMD Radeon RX 7900 XTX | Radeon RX 6600 XT |
|---|---|---|
| Backend | — | DirectML |
| Depth Estimation (Q) | — | 28767 |
| Face Detection (HP) | — | 21268 |
| Framework | — | ONNX |
| Image Classification (SP) | — | 6815 |
| Image Segmentation (HP) | — | 8295 |
| Image Super Resolution (Q) | — | 18041 |
| Machine Translation (HP) | — | 3539 |
| Object Detection (SP) | — | 6006 |
| Pose Estimation (Q) | — | 71311 |
| Style Transfer (SP) | — | 169389 |
| Text Classification (SP) | — | 1967 |
GeekBench 6 OpenCL
| Specification | AMD Radeon RX 7900 XTX | Radeon RX 6600 XT |
|---|---|---|
| API | — | OpenCL |
| Background Blur | — | 208 img/sec |
| Edge Detection | — | 3.71 Gpixels/sec |
| Face Detection | — | 114.6 img/sec |
| Feature Matching | — | 0.94 Gpixels/sec |
| Gaussian Blur | — | 3.38 Gpixels/sec |
| Horizon Detection | — | 2.91 Gpixels/sec |
| Particle Physics | — | 11198.1 FPS |
| Stereo Matching | — | 306 Gpixels/sec |
General
| Specification | AMD Radeon RX 7900 XTX | Radeon RX 6600 XT |
|---|---|---|
| Architecture | AMD RDNA 3 (Chiplet Design) | RDNA 2.0 |
| Build | — | Discrete |
| Case | — | Desktop |
| GPU Codename | — | Navi 23 |
| Launch price (MSRP) | — | $379 |
| Nvidia Equivalent | — | -GeForce RTX 3060 |
| Purpose | — | Gaming |
| Recommended CPU | — | -Intel Core i5 13600or above |
| Released | — | July 30, 2021 |
| Segment | — | Mid-range |
| Successor | — | -Radeon RX 9060 XT |
| Vendor | — | Amd |
Graphics Processing Unit
| Specification | AMD Radeon RX 7900 XTX | Radeon RX 6600 XT |
|---|---|---|
| Base Clock | — | 1968 MHz |
| Boost Clock | — | 2589 MHz |
| Instructions Per Cycle | — | 2 IPC |
| L1 Cache | — | 128KB per cluster |
| L2 Cache | — | 2MB shared |
| Ray-tracing Cores | — | 32 |
| Render Output Units (ROPs) | — | 64 |
| Shading Units | — | 2048 |
| Tensor Cores | — | No |
| Texture Mapping Units (TMUs) | — | 128 |
Passmark Graphics
| Specification | AMD Radeon RX 7900 XTX | Radeon RX 6600 XT |
|---|---|---|
| DirectX 11 | — | 164 FPS |
| DirectX 12 | — | 60 FPS |
| G2D Mark | — | 914 |
| GPU Compute | — | 7391 Ops/s |
Physical
| Specification | AMD Radeon RX 7900 XTX | Radeon RX 6600 XT |
|---|---|---|
| Die Size | — | 237 mm² |
| Fabrication Process | — | 7 nm |
| Interface | — | PCIe 4.0 x8 |
| Manufacturing | — | TSMC |
| TGP | — | 160 W |
| Transistor Count | — | 11 billion |
| Transistor Density | — | 46.41 MTr/mm² |
Raw Performance
| Specification | AMD Radeon RX 7900 XTX | Radeon RX 6600 XT |
|---|---|---|
| Pixel Fill Rate | — | 166 GPixel/s |
| Texture Fill Rate | — | 331 GTexel/s |
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