AMD Radeon HD 8970M vs NVIDIA GeForce GTX 965M
Processeur graphique
| Nom du GPU | Neptune | GM204 |
|---|---|---|
| GPU variant | Neptune XT (216-0847000) | — |
| Architecture | GCN 1.0 | Maxwell 2.0 |
| Fonderie | TSMC | TSMC |
| Taille du processus | 28 nm | 28 nm |
| Transistors | 2,800 million | 5,200 million |
| Taille des matrices | 212 mm² | 398 mm² |
Graphiques mobiles
| Date de publication | May 14th, 2013 | Jan 9th, 2015 |
|---|---|---|
| Génération | Solar System (HD 8900M) | GeForce 900M |
| Production | End-of-life | End-of-life |
| Bus interface | PCIe 3.0 x16 | MXM-B (3.0) |
| Prédécesseur | London | GeForce 800M |
| Successeur | Crystal System | GeForce 10 Mobile |
| Critiques | — | 1 in our database |
Vitesse clock
| Base clock | 850 MHz | — |
|---|---|---|
| Boost clock | 900 MHz | — |
| Mémoire clock | 1200 MHz 4.8 Gbps effective | 1253 MHz 5 Gbps effective |
| GPU clock | — | 935 MHz |
Mémoire
| Taille de la mémoire | 4 GB | 4 GB |
|---|---|---|
| Type de mémoire | GDDR5 | GDDR5 |
| Bus mémoire | 256 bit | 128 bit |
| Bande passante | 153.6 GB/s | 80.19 GB/s |
Render Config
| Shading units | 1280 | 1024 |
|---|---|---|
| TMUs | 80 | 64 |
| ROPs | 32 | 32 |
| Compute units | 20 | — |
| Cache L1 | 16 KB (per CU) | 48 KB (per SMM) |
| Cache L2 | 512 KB | 1024 KB |
| Comptage SMM | — | 8 |
Performance théorique
| Taux de pixel | 28.80 GPixel/s | 29.92 GPixel/s |
|---|---|---|
| Taux de texture | 72.00 GTexel/s | 59.84 GTexel/s |
| FP32 (float) performance | 2.304 TFLOPS | 1.915 TFLOPS |
| FP64 (double) performance | 144.0 GFLOPS (1:16) | 59.84 GFLOPS (1:32) |
Board Design
| Taille Slot | MXM Module | MXM Module |
|---|---|---|
| TDP | 100 W | unknown |
| Sorties | No outputs | No outputs |
| Connecteurs de puissance | — | None |
| Board number | — | P2754 SKU 7 |
Caractéristiques graphiques
| DirectX | 12 (11_1) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.2 | 1.1 |
| Shader model | 5.1 | 6.4 |
| CUDA | — | 5.2 |
