AMD Radeon R9 390 vs AMD Radeon RX 6800M
Processeur graphique
| Nom du GPU | Grenada | Navi 22 |
|---|---|---|
| GPU variant | Grenada PRO (215-0880030) | Navi 22 XTM |
| Architecture | GCN 2.0 | RDNA 2.0 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 7 nm |
| Transistors | 6,200 million | 17,200 million |
| Taille des matrices | 438 mm² | 335 mm² |
Carte graphique
| Date de publication | Jun 18th, 2015 | — |
|---|---|---|
| Génération | Pirate Islands | — |
| Production | End-of-life | — |
| Prix de lancement | 329 USD | — |
| Bus interface | PCIe 3.0 x16 | — |
| Critiques | 35 in our database | — |
| Prédécesseur | Volcanic Islands | — |
| Successeur | Arctic Islands | — |
Vitesse clock
| GPU clock | 1000 MHz | — |
|---|---|---|
| Mémoire clock | 1500 MHz 6 Gbps effective | 2000 MHz 16 Gbps effective |
| Base clock | — | 2321 MHz |
| Game clock | — | 2424 MHz |
| Boost clock | — | 2581 MHz |
Mémoire
| Taille de la mémoire | 8 GB | 12 GB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR6 |
| Bus mémoire | 512 bit | 192 bit |
| Bande passante | 384.0 GB/s | 384.0 GB/s |
Render Config
| Shading units | 2560 | 2560 |
|---|---|---|
| TMUs | 160 | 160 |
| ROPs | 64 | 64 |
| Compute units | 40 | 40 |
| Cache L1 | 16 KB (per CU) | 128 KB per Array |
| Cache L2 | 1024 KB | 3 MB |
| RT cores | — | 40 |
| gpu.details.l0-cache | — | 32 KB per WGP |
| gpu.details.l3-cache | — | 96 MB |
Performance théorique
| Taux de pixel | 64.00 GPixel/s | 165.2 GPixel/s |
|---|---|---|
| Taux de texture | 160.0 GTexel/s | 413.0 GTexel/s |
| FP32 (float) performance | 5.120 TFLOPS | 13.21 TFLOPS |
| FP64 (double) performance | 640.0 GFLOPS (1:8) | 825.9 GFLOPS (1:16) |
| FP16 (half) performance | — | 26.43 TFLOPS (2:1) |
Board Design
| Taille Slot | Dual-slot | Dual-slot |
|---|---|---|
| Longueur | 275 mm 10.8 inches | — |
| Taille | 109 mm 4.3 inches | — |
| Taille | 36 mm 1.4 inches | — |
| TDP | 275 W | 230 W |
| Suggestions pour le PSU | 600 W | — |
| Sorties | 2x DVI1x HDMI1x DisplayPort | No outputs |
| Connecteurs de puissance | 1x 6-pin + 1x 8-pin | None |
| Board number | C679 | — |
Caractéristiques graphiques
| DirectX | 12 (12_0) | 12 Ultimate (12_2) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.3 | 6.5 |
AUTRES CARACTÉRISTIQUES
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 |
