AMD Radeon RX 6700 XT vs AMD Radeon RX 7900 XT
Processeur graphique
| Nom du GPU | Navi 22 | Navi 31 |
|---|---|---|
| GPU variant | Navi 22 XT (215-127000006) | Navi 31 XTX |
| Architecture | RDNA 2.0 | RDNA 3.0 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 7 nm | 5 nm |
| Transistors | 17,200 million | unknown |
| Taille des matrices | 335 mm² | unknown |
Carte graphique
| Date de publication | Mar 3rd, 2021 | 2022 |
|---|---|---|
| gpu.details.availability | Mar 18th, 2021 | — |
| Génération | Navi II | Navi III |
| Prédécesseur | Navi | Navi II |
| Production | Active | Unreleased |
| Prix de lancement | 479 USD | — |
| Bus interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| Critiques | 56 in our database | — |
| Successeur | Navi III | — |
Vitesse clock
| Base clock | 2321 MHz | 1800 MHz |
|---|---|---|
| Game clock | 2424 MHz | 1900 MHz |
| Boost clock | 2581 MHz | 2000 MHz |
| Mémoire clock | 2000 MHz 16 Gbps effective | 2250 MHz 18 Gbps effective |
Mémoire
| Taille de la mémoire | 12 GB | 16 GB |
|---|---|---|
| Type de mémoire | GDDR6 | GDDR6 |
| Bus mémoire | 192 bit | 256 bit |
| Bande passante | 384.0 GB/s | 576.0 GB/s |
Render Config
| Shading units | 2560 | 15360 |
|---|---|---|
| TMUs | 160 | 960 |
| ROPs | 64 | 256 |
| Compute units | 40 | 240 |
| RT cores | 40 | 240 |
| 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 | 512 MB |
Performance théorique
| Taux de pixel | 165.2 GPixel/s | 512.0 GPixel/s |
|---|---|---|
| Taux de texture | 413.0 GTexel/s | 1,920 GTexel/s |
| FP16 (half) performance | 26.43 TFLOPS (2:1) | 122.9 TFLOPS (2:1) |
| FP32 (float) performance | 13.21 TFLOPS | 61.44 TFLOPS |
| FP64 (double) performance | 825.9 GFLOPS (1:16) | 3.840 TFLOPS (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 | 135 mm 5.3 inches |
| Taille | 40 mm 1.6 inches | 50 mm 2 inches |
| TDP | 230 W | 350 W |
| Suggestions pour le PSU | 550 W | 750 W |
| Sorties | 1x HDMI3x DisplayPort | 1x HDMI3x DisplayPort |
| Connecteurs de puissance | 1x 6-pin + 1x 8-pin | 2x 8-pin |
| Board number | D512 | — |
| Numéro de pièce | — | — |
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 |
