AMD Radeon RX 6600 XT vs NVIDIA GeForce GTX 1660 Ti
Processeur graphique
| Nom du GPU | Navi 23 | TU116 |
|---|---|---|
| GPU variant | Navi 23 XT (215-130000006) | TU116-400-A1 |
| Architecture | RDNA 2.0 | Turing |
| Fonderie | TSMC | TSMC |
| Taille du processus | 7 nm | 12 nm |
| Transistors | 11,060 million | 6,600 million |
| Taille des matrices | 237 mm² | 284 mm² |
Carte graphique
| Date de publication | Jul 30th, 2021 | Feb 22nd, 2019 |
|---|---|---|
| Génération | Navi II | GeForce 16 |
| Prédécesseur | Navi | GeForce 10 |
| Production | Active | Active |
| Prix de lancement | 379 USD | 279 USD |
| Bus interface | PCIe 4.0 x8 | PCIe 3.0 x16 |
| gpu.details.availability | Aug 10th, 2021 | — |
| Critiques | 45 in our database | 59 in our database |
| Successeur | Navi III | GeForce 20 |
| Prix courant | — | Amazon / Newegg |
Vitesse clock
| Base clock | 1968 MHz | 1500 MHz |
|---|---|---|
| Boost clock | 2589 MHz | 1770 MHz |
| Mémoire clock | 2000 MHz 16 Gbps effective | 1500 MHz 12 Gbps effective |
| Game clock | 2359 MHz | — |
Mémoire
| Taille de la mémoire | 8 GB | 6 GB |
|---|---|---|
| Type de mémoire | GDDR6 | GDDR6 |
| Bus mémoire | 128 bit | 192 bit |
| Bande passante | 256.0 GB/s | 288.0 GB/s |
Render Config
| Shading units | 2048 | 1536 |
|---|---|---|
| TMUs | 128 | 96 |
| ROPs | 64 | 48 |
| Compute units | 32 | — |
| RT cores | 32 | — |
| gpu.details.l0-cache | 32 KB per WGP | — |
| Cache L1 | 128 KB per Array | 64 KB (per SM) |
| Cache L2 | 2 MB | 1536 KB |
| gpu.details.l3-cache | 32 MB | — |
| Comptage SM | — | 24 |
Performance théorique
| Taux de pixel | 165.7 GPixel/s | 84.96 GPixel/s |
|---|---|---|
| Taux de texture | 331.4 GTexel/s | 169.9 GTexel/s |
| FP16 (half) performance | 21.21 TFLOPS (2:1) | 10.87 TFLOPS (2:1) |
| FP32 (float) performance | 10.60 TFLOPS | 5.437 TFLOPS |
| FP64 (double) performance | 662.8 GFLOPS (1:16) | 169.9 GFLOPS (1:32) |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| TDP | 160 W | 120 W |
| Suggestions pour le PSU | 450 W | 300 W |
| Sorties | 1x HDMI2x DisplayPort | 1x DVI1x HDMI1x DisplayPort |
| Connecteurs de puissance | 1x 8-pin | 1x 8-pin |
| Longueur | 190 mm 7.5 inches | 229 mm 9 inches |
| Taille | 110 mm 4.3 inches | 111 mm 4.4 inches |
| Taille | 40 mm 1.6 inches | 35 mm 1.4 inches |
| Board number | — | PG160 SKU 21 PG161 SKU 21 |
Caractéristiques graphiques
| DirectX | 12.0 Ultimate (12_2) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 3.0 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.5 | 6.6 |
| CUDA | — | 7.5 |
