AMD Radeon RX 6600 vs NVIDIA GeForce GTX 660 Rev. 2
Processeur graphique
| Nom du GPU | Navi 23 | GK104 |
|---|---|---|
| GPU variant | Navi 23 XL (215-130000016) | — |
| Architecture | RDNA 2.0 | Kepler |
| Fonderie | TSMC | TSMC |
| Taille du processus | 7 nm | 28 nm |
| Transistors | 11,060 million | 3,540 million |
| Taille des matrices | 237 mm² | 294 mm² |
Carte graphique
| Date de publication | Oct 13th, 2021 | Sep 13th, 2014 |
|---|---|---|
| Génération | Navi II | GeForce 600 |
| Prédécesseur | Navi | GeForce 500 |
| Production | Active | End-of-life |
| Prix de lancement | 329 USD | — |
| Bus interface | PCIe 4.0 x8 | PCIe 3.0 x16 |
| Successeur | Navi III | GeForce 700 |
| Critiques | — | 77 in our database |
Vitesse clock
| Base clock | 1626 MHz | 980 MHz |
|---|---|---|
| Boost clock | 2491 MHz | 1032 MHz |
| Mémoire clock | 1750 MHz 14 Gbps effective | 1502 MHz 6 Gbps effective |
| Game clock | 2044 MHz | — |
Mémoire
| Taille de la mémoire | 8 GB | 2 GB |
|---|---|---|
| Type de mémoire | GDDR6 | GDDR5 |
| Bus mémoire | 128 bit | 192 bit |
| Bande passante | 224.0 GB/s | 144.2 GB/s |
Render Config
| Shading units | 1792 | 960 |
|---|---|---|
| TMUs | 112 | 80 |
| ROPs | 64 | 24 |
| Compute units | 28 | — |
| RT cores | 28 | — |
| gpu.details.l0-cache | 32 KB per WGP | — |
| Cache L1 | 128 KB per Array | 16 KB (per SMX) |
| Cache L2 | 2 MB | 384 KB |
| gpu.details.l3-cache | 32 MB | — |
| Comptage SMX | — | 5 |
Performance théorique
| Taux de pixel | 159.4 GPixel/s | 20.64 GPixel/s |
|---|---|---|
| Taux de texture | 279.0 GTexel/s | 82.56 GTexel/s |
| FP16 (half) performance | 17.86 TFLOPS (2:1) | — |
| FP32 (float) performance | 8.928 TFLOPS | 1.981 TFLOPS |
| FP64 (double) performance | 558.0 GFLOPS (1:16) | 82.56 GFLOPS (1:24) |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| TDP | 132 W | 140 W |
| Suggestions pour le PSU | 300 W | 300 W |
| Sorties | 1x HDMI3x DisplayPort | 2x DVI1x HDMI1x DisplayPort |
| Connecteurs de puissance | 1x 8-pin | 1x 6-pin |
| Longueur | 190 mm 7.5 inches | 241 mm 9.5 inches |
| Taille | 110 mm 4.3 inches | — |
| Taille | 40 mm 1.6 inches | — |
| Board number | — | P2004 SKU 11 |
Caractéristiques graphiques
| DirectX | 12.0 Ultimate (12_2) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 3.0 |
| Vulkan | 1.2 | 1.1 |
| Shader model | 6.5 | 5.1 |
| CUDA | — | 3.0 |
