[
    [
        {
            "type": "paragraph",
            "content": {
                "paragraph_content": [
                    {
                        "type": "text",
                        "content": "近期，NVIDIA公布了GeForce系列新品GeForce RTX 4090，RTX 4080和RTX 4070"
                    }
                ]
            },
            "bbox": [
                38,
                164,
                696,
                200
            ]
        },
        {
            "type": "paragraph",
            "content": {
                "paragraph_content": [
                    {
                        "type": "text",
                        "content": " 2022年9月20日秋季GTC大会上发布的NVIDIA GeForce RTX40系列代表了目前显卡的性能巅峰，RTX 40系列采用全新的Ada Lovelace架构，台积电5nm级别工艺，拥有760亿晶体管和18000个CUDA核心，与Ampere相比架构核心数量增加约70%，能耗比提升近两倍，可驱动DLSS3.0技术。性能远超上代产品。"
                    }
                ]
            },
            "bbox": [
                67,
                216,
                958,
                311
            ]
        },
        {
            "type": "paragraph",
            "content": {
                "paragraph_content": [
                    {
                        "type": "text",
                        "content": " Ada Lovelace架构对于RT Core、Tensor Core和SM单元都进行了升级，NVIDIA在SM多单元处理器中引入着色器执行重排序技术，使GPU也拥有CPU的乱序处理能力。"
                    }
                ]
            },
            "bbox": [
                67,
                327,
                959,
                390
            ]
        },
        {
            "type": "paragraph",
            "content": {
                "paragraph_content": [
                    {
                        "type": "text",
                        "content": "NVIDIA RTX 40系列显卡参数"
                    }
                ]
            },
            "bbox": [
                175,
                411,
                367,
                440
            ]
        },
        {
            "type": "table",
            "content": {
                "image_source": {
                    "path": "images/2f8415abf4144226521a864a9998385eb5e94d2f448cbec7f634ccf128572423.jpg"
                },
                "table_caption": [],
                "table_footnote": [
                    {
                        "type": "text",
                        "content": "资料来源：泡泡网，中信证券研究部"
                    },
                    {
                        "type": "text",
                        "content": "NVIDIA Ada Lovelace架构性能提升"
                    }
                ],
                "html": "<table><tr><td>显卡</td><td>RTX4090</td><td>RTX4080 16GB</td><td>RTX4080 12GB</td></tr><tr><td>核心构架</td><td>Ada Lovelace(艾达.洛夫莱斯)</td><td>Ada Lovelace(艾达.洛夫莱斯)</td><td>Ada Lovelace(艾达.洛夫莱斯)</td></tr><tr><td>核心代号</td><td>AD102-300</td><td>AD103-300</td><td>AD104-400</td></tr><tr><td>核心工艺</td><td>台积电5nm</td><td>台积电5nm</td><td>台积电5nm</td></tr><tr><td>CUDA核心数量</td><td>16384</td><td>9728</td><td>7680</td></tr><tr><td>Tensor Core</td><td>第四代</td><td>第四代</td><td>第四代</td></tr><tr><td>RT Core</td><td>第三代</td><td>第三代</td><td>第三代</td></tr><tr><td>GPU频率</td><td>2230 MHz</td><td>2210MHz</td><td>2310MHz</td></tr><tr><td>Boost频率</td><td>2520 MHz</td><td>2505MHz</td><td>2610MHz</td></tr><tr><td>显存位宽</td><td>384bit</td><td>256bit</td><td>192bit</td></tr><tr><td>显存类型</td><td>GDDR6X</td><td>GDDR6X</td><td>GDDR6X</td></tr><tr><td>显存容量</td><td>24GB</td><td>16GB</td><td>12GB</td></tr><tr><td>宽带</td><td>1008GB/s</td><td>720GB/s</td><td>504GB/s</td></tr><tr><td>TGP</td><td>450W</td><td>340W</td><td>285W</td></tr><tr><td>PCIe版本</td><td>4</td><td>4</td><td>4</td></tr><tr><td>DLSS版本</td><td>3</td><td>3</td><td>3</td></tr><tr><td>首发价格</td><td>1599美元(12999RMB)</td><td>1199美元(9199RMB)</td><td>899美元(7199RMB)</td></tr></table>",
                "table_type": "simple_table",
                "table_nest_level": 1
            },
            "bbox": [
                48,
                453,
                488,
                946
            ]
        },
        {
            "type": "image",
            "content": {
                "image_source": {
                    "path": "images/267f65352fbf9ec0480efcc7a4ffd94a1eb5cbf31b81b96a98a63e061384e42f.jpg"
                },
                "content": "",
                "image_caption": [],
                "image_footnote": [
                    {
                        "type": "text",
                        "content": "资料来源：NVIDIA 2022.9.20 GTC大会"
                    }
                ]
            },
            "bbox": [
                537,
                457,
                952,
                935
            ]
        },
        {
            "type": "page_header",
            "content": {
                "page_header_content": [
                    {
                        "type": "text",
                        "content": "2.2 未来竞争：NVIDIA新品性能提升飞跃，N卡地位难以动摇"
                    }
                ]
            },
            "bbox": [
                38,
                46,
                715,
                96
            ]
        },
        {
            "type": "page_header",
            "content": {
                "page_header_content": [
                    {
                        "type": "text",
                        "content": "中信证券CITIC SECURITIES"
                    }
                ]
            },
            "bbox": [
                828,
                31,
                968,
                103
            ]
        },
        {
            "type": "page_number",
            "content": {
                "page_number_content": [
                    {
                        "type": "text",
                        "content": "75"
                    }
                ]
            },
            "bbox": [
                958,
                948,
                975,
                970
            ]
        }
    ]
]