AMD Radeon RX 6800M vs NVIDIA GeForce RTX 3080 Ti
Processeur graphique
| Nom du GPU | Navi 22 | GA102 |
|---|---|---|
| GPU variant | Navi 22 XTM | GA102-300-A1 |
| Architecture | RDNA 2.0 | Ampere |
| Fonderie | TSMC | TSMC |
| Taille du processus | 7 nm | 7 nm |
| Transistors | 17,200 million | 40,000 million |
| Taille des matrices | 335 mm² | 627 mm² |
Graphiques mobiles
| Date de publication | 2021 | — |
|---|---|---|
| gpu.details.availability | 2021 | — |
| Génération | Mobility Radeon (Navi II) | — |
| Production | Active | — |
| Bus interface | PCIe 4.0 x16 | — |
| Critiques | 2 in our database | — |
Vitesse clock
| Base clock | 2321 MHz | 1410 MHz |
|---|---|---|
| Game clock | 2424 MHz | — |
| Boost clock | 2581 MHz | 1740 MHz |
| Mémoire clock | 2000 MHz 16 Gbps effective | 2375 MHz 19000 MHz effective |
Mémoire
| Taille de la mémoire | 12 GB | 12 GB |
|---|---|---|
| Type de mémoire | GDDR6 | GDDR6X |
| Bus mémoire | 192 bit | 384 bit |
| Bande passante | 384.0 GB/s | 912.0 GB/s |
Render Config
| Shading units | 2560 | 5120 |
|---|---|---|
| TMUs | 160 | 320 |
| ROPs | 64 | 96 |
| Compute units | 40 | — |
| RT cores | 40 | 160 |
| gpu.details.l0-cache | 32 KB per WGP | — |
| Cache L1 | 128 KB per Array | 192 KB (per SM) |
| Cache L2 | 3 MB | 6 MB |
| gpu.details.l3-cache | 96 MB | — |
| Comptage SM | — | 80 |
| Tensor cores | — | 640 |
Performance théorique
| Taux de pixel | 165.2 GPixel/s | 167.0 GPixel/s |
|---|---|---|
| Taux de texture | 413.0 GTexel/s | 556.8 GTexel/s |
| FP16 (half) performance | 26.43 TFLOPS (2:1) | 35.64 TFLOPS (2:1) |
| FP32 (float) performance | 13.21 TFLOPS | 17.82 TFLOPS |
| FP64 (double) performance | 825.9 GFLOPS (1:16) | 556.8 GFLOPS (1:32) |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| TDP | 230 W | 320 W |
| Sorties | No outputs | 1x HDMI3x DisplayPort1x USB Type-C |
| Connecteurs de puissance | None | 1x 12-pin |
| Longueur | — | 267 mm 10.5 inches |
| Suggestions pour le PSU | — | 700 W |
| Board number | — | PG132 SKU 20 |
Caractéristiques graphiques
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.0 |
| Vulkan | 1.2 | 1.2.140 |
| Shader model | 6.5 | 6.5 |
| CUDA | — | 8.5 |
AUTRES CARACTÉRISTIQUES
Carte graphique
| Date de publication | — | 2020 |
|---|---|---|
| Génération | — | GeForce 30 |
| Production | — | Unreleased |
| Prix de lancement | — | 1,399 USD |
| Bus interface | — | PCIe 4.0 x16 |
