AMD Radeon RX 6700 vs AMD Radeon RX 6800
Processeur graphique
| Nom du GPU | Navi 22 | Navi 21 |
|---|---|---|
| GPU variant | Navi 22 XTL | Navi 21 XL (215-121000187) |
| Architecture | RDNA 2.0 | RDNA 2.0 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 7 nm | 7 nm |
| Transistors | 17,200 million | 26,800 million |
| Taille des matrices | 335 mm² | 520 mm² |
Carte graphique
| Date de publication | 2021 | Oct 28th, 2020 |
|---|---|---|
| Génération | Navi II | Navi II |
| Prédécesseur | Navi | Navi |
| Production | Active | Active |
| Bus interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| Successeur | Navi III | Navi III |
| gpu.details.availability | — | Nov 18th, 2020 |
| Prix de lancement | — | 579 USD |
| Critiques | — | 22 in our database |
Vitesse clock
| Base clock | 2200 MHz | 1700 MHz |
|---|---|---|
| Boost clock | 2500 MHz | 2105 MHz |
| Mémoire clock | 2000 MHz 16 Gbps effective | 2000 MHz 16 Gbps effective |
| Game clock | — | 1815 MHz |
Mémoire
| Taille de la mémoire | 6 GB | 16 GB |
|---|---|---|
| Type de mémoire | GDDR6 | GDDR6 |
| Bus mémoire | 192 bit | 256 bit |
| Bande passante | 384.0 GB/s | 512.0 GB/s |
Render Config
| Shading units | 2304 | 3840 |
|---|---|---|
| TMUs | 144 | 240 |
| ROPs | 64 | 96 |
| Compute units | 36 | 60 |
| RT cores | 36 | 60 |
| gpu.details.l0-cache | 32 KB per WGP | 32 KB per WGP |
| Cache L1 | 128 KB per Array | 128 KB per Array |
| Cache L2 | 3 MB | 4 MB |
| gpu.details.l3-cache | 96 MB | 128 MB |
Performance théorique
| Taux de pixel | 160.0 GPixel/s | 202.1 GPixel/s |
|---|---|---|
| Taux de texture | 360.0 GTexel/s | 505.2 GTexel/s |
| FP16 (half) performance | 23.04 TFLOPS (2:1) | 32.33 TFLOPS (2:1) |
| FP32 (float) performance | 11.52 TFLOPS | 16.17 TFLOPS |
| FP64 (double) performance | 720.0 GFLOPS (1:16) | 1,010 GFLOPS (1:16) |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| Longueur | 267 mm 10.5 inches | 267 mm 10.5 inches |
| Taille | 110 mm 4.3 inches | 120 mm 4.7 inches |
| Taille | 40 mm 1.6 inches | 40 mm 1.6 inches |
| TDP | 180 W | 250 W |
| Suggestions pour le PSU | 450 W | 600 W |
| Sorties | 1x HDMI2x DisplayPort1x USB Type-C | 1x HDMI2x DisplayPort1x USB Type-C |
| Connecteurs de puissance | 1x 8-pin | 2x 8-pin |
| Numéro de pièce | — | 102-D41209 |
| Board number | — | 109-D412A7 |
Caractéristiques graphiques
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.5 | 6.5 |
