AMD Radeon RX 6600 XT VS NVIDIA GeForce RTX 5090
amd
Brand8GB GDDR6
Memory2048
Cores256 GB/s
BandwidthRadeon RX 6600 XT
nvidia
Brand32GB GDDR7
Memory21760
Cores1790 GB/s
BandwidthGeForce RTX 5090
AMD Radeon RX 6600 XT
Radeon RX 6600 XT
$379 • Jul 2021
GeForce RTX 5090
$1999 • Jan 2025
NVIDIA GeForce RTX 5090
Specs Comparison
| Specification | AMD Radeon RX 6600 XT | NVIDIA GeForce RTX 5090 |
|---|---|---|
| Memory Size | 8 GB | 32 GB |
| Memory Type | GDDR6 | GDDR7 |
| TDP | 160 W | 575 W |
| Core Clock | N/A | N/A |
| Boost Clock | 2589 MHz | 2407 MHz |
| Memory Bandwidth | 256 GB/s | 1790 GB/s |
| Process Size | 7nm | 5nm |
| Architecture | RDNA 2.0 | Blackwell 2.0 |
| Shading Units | 2048 | 21760 |
| RT Cores | 32 | 170 |
| TMUs | 128 | 680 |
| ROPs | 64 | 176 |
| Memory Bus | 128-bit | 512-bit |
| Memory Clock | 2000 MHz | 1750 MHz |
| Pixel Rate | 165.7 GPixel/s | 423.6 GPixel/s |
| Texture Rate | 256 GTexel/s | 1636.8 GTexel/s |
| FP32 Performance | 10.6 GFLOPS | 104.8 GFLOPS |
| L2 Cache | 2.00 MB | 96.00 MB |
| Die Size | 237 mm² | 750 mm² |
| Transistors | 11060 Million | 92200 Million |
| Required PSU | 450 W | 950 W |
| Power Connectors | 1x 8-pin | 1x 16-pin |
| Bus Interface | PCIe 4.0 x8 | PCIe 5.0 x16 |
| DirectX | 12.2 | 12.2 |
| Vulkan | 1.3 | 1.4 |
| OpenGL | 4.6 | 4.6 |
| Foundry | TSMC | TSMC |
Comparison in Synthetic Benchmarks
3DMark Time Spy
Synthetic DirectX 12 benchmark that measures GPU performance in gaming workloads
Graphics Score
AMD Radeon RX 6600 XT
NVIDIA GeForce RTX 5090
Geekbench 6
Cross-platform benchmark that measures GPU compute performance using OpenCL and Metal APIs
OpenCL Score
AMD Radeon RX 6600 XT
NVIDIA GeForce RTX 5090
GFXBench 5.0
Cross-platform 3D graphics benchmark suite that measures GPU performance across different APIs
Aztec Ruins High (FPS)
AMD Radeon RX 6600 XT
NVIDIA GeForce RTX 5090
PassMark G2D
Comprehensive 2D graphics benchmark that measures GPU performance in various graphics operations
G2D Mark
AMD Radeon RX 6600 XT
NVIDIA GeForce RTX 5090
Game Benchmarks Comparison (3 benchmarks)
Split Fiction
NVIDIA GeForce RTX 5090 Wins!
Based on 3 benchmarks across 1 games
AMD Radeon RX 6600 XT
AMD • 8GB GDDR6
NVIDIA GeForce RTX 5090
NVIDIA • 32GB GDDR7
Where to Buy
Compare with Similar GPUs
Comments & Discussion
Share your thoughts and experiences