AMD Radeon RX 6600 XT vs NVIDIA CMP 90HX
What is the difference between AMD Radeon RX 6600 XT and NVIDIA CMP 90HX. Find out which graphics card has better performance.
Graphics Processor (GPU)
| Navi 23 | GPU Name | GA102 |
| Navi 23 XT (215-130000006) | Model number | GA102-100-A1 |
| RDNA 2.0 | Architecture | Ampere |
| TSMC | Foundry | Samsung |
| 7 nm | Process Size | 8 nm |
| 11,060 million | Transistors | 28,300 million |
| 237 mm² | Die Size | 628 mm² |
Graphics Card
| Jul 30th, 2021 | Release Date | 2021 |
| Navi II (RX 6000) | Family | Mining GPUs |
| Active | Production | Unreleased |
| PCIe 4.0 x8 | Bus Interface | PCIe 4.0 x16 |
Memory
| 8 GB | Memory Size | 10 GB |
| GDDR6 | Memory Type | GDDR6X |
| 128 bit | Memory Bus | 320 bit |
| 256.0 GB/s | Bandwidth | 760.3 GB/s |
Performance
| 165.7 GPixel/s | Pixel fillrate | 136.8 GPixel/s |
| 331.4 GTexel/s | Texture fillrate | 342.0 GTexel/s |
| 21.21 TFLOPS (2:1) | FP16 (half) performance | 21.89 TFLOPS (1:1) |
| 10.60 TFLOPS | FP32 (float) performance | 21.89 TFLOPS |
| 662.8 GFLOPS (1:16) | FP64 (double) performance | 342.0 GFLOPS (1:64) |
Clock Speeds
| 1968 MHz | Base Clock | 1440 MHz |
| 2589 MHz | Boost Clock | 1710 MHz |
| 2000 MHz 16 Gbps effective | Memory Clock | 1188 MHz 19 Gbps effective |
Render Config
| 2048 | Shading Units | 6400 |
| 128 | TMUs | 200 |
| 64 | ROPs | 80 |
| 32 | RT Cores | 50 |
| 128 KB per Array | L1 Cache | 128 KB (per SM) |
| 3 MB | L2 Cache | 5 MB |
Board Design
| Dual-slot | Slot Width | Dual-slot |
| 190 mm 7.5 inches | Length | 285 mm 11.2 inches |
| 110 mm 4.3 inches | Width | 112 mm 4.4 inches |
| 160 W | Thermal design power (TDP) | 320 W |
| 450 W | Suggested PSU | 700 W |
| 1x HDMI 2x DisplayPort | Display Connectors | No outputs |
| 1x 8-pin | Power Connectors | 2x 8-pin |
API support
| 12.0 Ultimate (12_2) | DirectX | 12 Ultimate (12_2) |
| 4.6 | OpenGL | 4.6 |
| 2.1 | OpenCL | 3.0 |
| 1.2 | Vulkan | 1.2 |
| 6.5 | Shader Model | 6.6 |