amd
Brand8GB GDDR6
Memory2048
Cores256 GB/s
BandwidthAMD Radeon RX 6600 XT
nvidia
Brand6GB GDDR6
Memory1408
Cores336 GB/s
BandwidthNVIDIA GeForce GTX 1660 SUPER
AMD Radeon RX 6600 XT
Radeon RX 6600 XT
$379 • Jul 2021
GeForce GTX 1660 SUPER
$229 • Oct 2019
NVIDIA GeForce GTX 1660 SUPER
Specs Comparison
| Specification | AMD Radeon RX 6600 XT | NVIDIA GeForce GTX 1660 SUPER |
|---|---|---|
| Memory Size | 8 GB | 6 GB |
| Memory Type | GDDR6 | GDDR6 |
| TDP | 160 W | 125 W |
| Core Clock | N/A | N/A |
| Boost Clock | 2589 MHz | 1785 MHz |
| Memory Bandwidth | 256 GB/s | 336 GB/s |
| Process Size | 7nm | 12nm |
| Architecture | RDNA 2.0 | Turing |
| Shading Units | 2048 | 1408 |
| RT Cores | 32 | N/A |
| TMUs | 128 | 88 |
| ROPs | 64 | 48 |
| Memory Bus | 128-bit | 192-bit |
| Memory Clock | 2000 MHz | 1750 MHz |
| Pixel Rate | 165.7 GPixel/s | 85.68 GPixel/s |
| Texture Rate | 256 GTexel/s | 336 GTexel/s |
| FP32 Performance | 10.6 GFLOPS | 5.027 GFLOPS |
| L2 Cache | 2.00 MB | 1.50 MB |
| Die Size | 237 mm² | 284 mm² |
| Transistors | 11060 Million | 6600 Million |
| Required PSU | 450 W | 300 W |
| Power Connectors | 1x 8-pin | 1x 8-pin |
| Bus Interface | PCIe 4.0 x8 | PCIe 3.0 x16 |
| DirectX | 12.2 | 12.1 |
| Vulkan | 1.3 | 1.3 |
| 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 GTX 1660 SUPER
Geekbench 6
Cross-platform benchmark that measures GPU compute performance using OpenCL and Metal APIs
OpenCL Score
AMD Radeon RX 6600 XT
NVIDIA GeForce GTX 1660 SUPER
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 GTX 1660 SUPER
PassMark G2D
Comprehensive 2D graphics benchmark that measures GPU performance in various graphics operations
G2D Mark
AMD Radeon RX 6600 XT
NVIDIA GeForce GTX 1660 SUPER
Game Benchmarks Comparison (6 benchmarks)
Kena Bridge of Spirits
Aliens Fireteam Elite
AMD Radeon RX 6600 XT Wins!
Based on 6 benchmarks across 2 games
AMD Radeon RX 6600 XT
AMD • 8GB GDDR6
NVIDIA GeForce GTX 1660 SUPER
NVIDIA • 6GB GDDR6
Most Compared GPUs
Comments & Discussion
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