amd
Brand8GB GDDR6
Memory2048
Cores256 GB/s
BandwidthAMD Radeon RX 6600 XT
nvidia
Brand24GB GDDR6X
Memory10752
Cores1010 GB/s
BandwidthNVIDIA GeForce RTX 3090 Ti
AMD Radeon RX 6600 XT
Radeon RX 6600 XT
$379 • Jul 2021
GeForce RTX 3090 Ti
$1999 • Jan 2022
NVIDIA GeForce RTX 3090 Ti
Specs Comparison
| Specification | AMD Radeon RX 6600 XT | NVIDIA GeForce RTX 3090 Ti |
|---|---|---|
| Memory Size | 8 GB | 24 GB |
| Memory Type | GDDR6 | GDDR6X |
| TDP | 160 W | 450 W |
| Core Clock | N/A | N/A |
| Boost Clock | 2589 MHz | 1860 MHz |
| Memory Bandwidth | 256 GB/s | 1010 GB/s |
| Process Size | 7nm | 8nm |
| Architecture | RDNA 2.0 | Ampere |
| Shading Units | 2048 | 10752 |
| RT Cores | 32 | 84 |
| TMUs | 128 | 336 |
| ROPs | 64 | 112 |
| Memory Bus | 128-bit | 384-bit |
| Memory Clock | 2000 MHz | 1313 MHz |
| Pixel Rate | 165.7 GPixel/s | 208.3 GPixel/s |
| Texture Rate | 256 GTexel/s | 625 GTexel/s |
| FP32 Performance | 10.6 GFLOPS | 40 GFLOPS |
| L2 Cache | 2.00 MB | 6.00 MB |
| Die Size | 237 mm² | 628 mm² |
| Transistors | 11060 Million | 28300 Million |
| Required PSU | 450 W | 850 W |
| Power Connectors | 1x 8-pin | 1x 16-pin |
| Bus Interface | PCIe 4.0 x8 | PCIe 4.0 x16 |
| DirectX | 12.2 | 12.2 |
| Vulkan | 1.3 | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Foundry | TSMC | Samsung |
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 3090 Ti
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 3090 Ti
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 3090 Ti
PassMark G2D
Comprehensive 2D graphics benchmark that measures GPU performance in various graphics operations
G2D Mark
AMD Radeon RX 6600 XT
NVIDIA GeForce RTX 3090 Ti
Game Benchmarks Comparison
No game benchmarks available for this combination of GPUs yet.
We're working on collecting performance data for this combination of GPUs. Please check back later.
NVIDIA GeForce RTX 3090 Ti Wins!
Based on 4 synthetic benchmarks
AMD Radeon RX 6600 XT
AMD • 8GB GDDR6
NVIDIA GeForce RTX 3090 Ti
NVIDIA • 24GB GDDR6X
Most Compared GPUs
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